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Network Working Group                        Internet Architecture BoardRequest for Comments: 1410                             J. Postel, EditorObsoletes: RFCs1360,1280,1250,                             March 19931100,1083,1130,1140,1200STD: 1                    IAB OFFICIAL PROTOCOL STANDARDSStatus of this Memo   This memo describes the state of standardization of protocols used in   the Internet as determined by the Internet Architecture Board (IAB).   Distribution of this memo is unlimited.Table of Contents   Introduction . . . . . . . . . . . . . . . . . . . . . . . . . .21.  The Standardization Process  . . . . . . . . . . . . . . . .22.  The Request for Comments Documents . . . . . . . . . . . . .53.  Other Reference Documents  . . . . . . . . . . . . . . . . .63.1.  Assigned Numbers . . . . . . . . . . . . . . . . . . . . .63.2.  Gateway Requirements . . . . . . . . . . . . . . . . . . .63.3.  Host Requirements  . . . . . . . . . . . . . . . . . . . .63.4.  The MIL-STD Documents  . . . . . . . . . . . . . . . . . .64.  Explanation of Terms . . . . . . . . . . . . . . . . . . . .74.1.  Definitions of Protocol State (Maturity Level) . . . . . .84.1.1.  Standard Protocol  . . . . . . . . . . . . . . . . . . .84.1.2.  Draft Standard Protocol  . . . . . . . . . . . . . . . .94.1.3.  Proposed Standard Protocol . . . . . . . . . . . . . . .94.1.4.  Experimental Protocol  . . . . . . . . . . . . . . . . .94.1.5.  Informational Protocol . . . . . . . . . . . . . . . . .94.1.6.  Historic Protocol  . . . . . . . . . . . . . . . . . . .94.2.  Definitions of Protocol Status (Requirement Level) . . .94.2.1.  Required Protocol  . . . . . . . . . . . . . . . . . .104.2.2.  Recommended Protocol . . . . . . . . . . . . . . . . .104.2.3.  Elective Protocol  . . . . . . . . . . . . . . . . . .104.2.4.  Limited Use Protocol . . . . . . . . . . . . . . . . .104.2.5.  Not Recommended Protocol . . . . . . . . . . . . . . .105.  The Standards Track  . . . . . . . . . . . . . . . . . . .105.1.  The RFC Processing Decision Table  . . . . . . . . . . .105.2.  The Standards Track Diagram  . . . . . . . . . . . . . .126.  The Protocols  . . . . . . . . . . . . . . . . . . . . . .146.1.  Recent Changes . . . . . . . . . . . . . . . . . . . . .146.1.1.  New RFCs . . . . . . . . . . . . . . . . . . . . . . .146.1.2.  Other Changes  . . . . . . . . . . . . . . . . . . . .216.2.  Standard Protocols . . . . . . . . . . . . . . . . . . .22Internet Architecture Board                                     [Page 1]

RFC 1410                     IAB Standards                    March 19936.3.  Network-Specific Standard Protocols  . . . . . . . . . .246.4.  Draft Standard Protocols . . . . . . . . . . . . . . . .256.5.  Proposed Standard Protocols  . . . . . . . . . . . . . .256.6.  Telnet Options . . . . . . . . . . . . . . . . . . . . .276.7.  Experimental Protocols . . . . . . . . . . . . . . . . .286.8.  Informational Protocols  . . . . . . . . . . . . . . . .296.9.  Historic Protocols . . . . . . . . . . . . . . . . . . .307.  Contacts . . . . . . . . . . . . . . . . . . . . . . . . .317.1.  IAB, IETF, and IRTF Contacts . . . . . . . . . . . . . .317.1.1.  Internet Architecture Board (IAB) Contact  . . . . . .317.1.2.  Internet Engineering Task Force (IETF) Contact . . . .317.1.3.  Internet Research Task Force (IRTF) Contact  . . . . .327.2.  Internet Assigned Numbers Authority (IANA) Contact . . .337.3.  Request for Comments Editor Contact  . . . . . . . . . .347.4.  Network Information Center Contact . . . . . . . . . . .347.5.  Sources for Requests for Comments  . . . . . . . . . . .358.  Security Considerations  . . . . . . . . . . . . . . . . .359.  Author's Address . . . . . . . . . . . . . . . . . . . . .35Introduction   Discussion of the standardization process and the RFC document series   is presented first, followed by an explanation of the terms.   Sections6.2 -6.9 contain the lists of protocols in each stage of   standardization.  Finally come pointers to references and contacts   for further information.   This memo is intended to be issued approximately quarterly; please be   sure the copy you are reading is current.  Current copies may be   obtained from the Network Information Center or from the Internet   Assigned Numbers Authority (see the contact information at the end of   this memo).  Do not use this edition after 31-July-93.   SeeSection 6.1 for a description of recent changes.  In the official   lists in sections6.2 -6.9, an asterisk (*) next to a protocol   denotes that it is new to this document or has been moved from one   protocol level to another, or differs from the previous edition of   this document.1.  The Standardization Process   The Internet Architecture Board maintains this list of documents that   define standards for the Internet protocol suite.  SeeRFC-1358 for   the charter of the IAB andRFC-1160 for an explanation of the role   and organization of the IAB and its subsidiary groups, the Internet   Engineering Task Force (IETF) and the Internet Research Task Force   (IRTF).  Each of these groups has a steering group called the IESG   and IRSG, respectively.  The IAB provides these standards with theInternet Architecture Board                                     [Page 2]

RFC 1410                     IAB Standards                    March 1993   goal of co-ordinating the evolution of the Internet protocols; this   co-ordination has become quite important as the Internet protocols   are increasingly in general commercial use.  The definitive   description of the Internet standards process is found inRFC-1310.   The majority of Internet protocol development and standardization   activity takes place in the working groups of the Internet   Engineering Task Force.   Protocols which are to become standards in the Internet go through a   series of states or maturity levels (proposed standard, draft   standard, and standard) involving increasing amounts of scrutiny and   testing.  When a protocol completes this process it is assigned a STD   number (seeRFC-1311).  At each step, the Internet Engineering   Steering Group (IESG) of the IETF must make a recommendation for   advancement of the protocol and the IAB must ratify it.  If a   recommendation is not ratified, the protocol is remanded to the IETF   for further work.   To allow time for the Internet community to consider and react to   standardization proposals, the IAB imposes a minimum delay of 6   months before a proposed standard can be advanced to a draft standard   and 4 months before a draft standard can be promoted to standard.   It is general IAB practice that no proposed standard can be promoted   to draft standard without at least two independent implementations   (and the recommendation of the IESG).  Promotion from draft standard   to standard generally requires operational experience and   demonstrated interoperability of two or more implementations (and the   recommendation of the IESG).   In cases where there is uncertainty as to the proper decision   concerning a protocol the IAB may convene a special review committee   consisting of experts from the IETF, IRTF and the IAB with the   purpose of recommending an explicit action to the IAB.   Advancement of a protocol to proposed standard is an important step   since it marks a protocol as a candidate for eventual standardization   (it puts the protocol "on the standards track").  Advancement to   draft standard is a major step which warns the community that, unless   major objections are raised or flaws are discovered, the protocol is   likely to be advanced to standard in six months.   Some protocols have been superseded by better ones or are otherwise   unused.  Such protocols are still documented in this memorandum with   the designation "historic".   Because the IAB believes it is useful to document the results ofInternet Architecture Board                                     [Page 3]

RFC 1410                     IAB Standards                    March 1993   early protocol research and development work, some of the RFCs   document protocols which are still in an experimental condition.  The   protocols are designated "experimental" in this memorandum.  They   appear in this report as a convenience to the community and not as   evidence of their standardization.   Other protocols, such as those developed by other standards   organizations, or by particular vendors, may be of interest or may be   recommended for use in the Internet.  The specifications of such   protocols may be published as RFCs for the convenience of the   Internet community.  These protocols are labeled "informational" in   this memorandum.   In addition to the working groups of the IETF, protocol development   and experimentation may take place as a result of the work of the   research groups of the Internet Research Task Force, or the work of   other individuals interested in Internet protocol development.  The   IAB encourages the documentation of such experimental work in the RFC   series, but none of this work is considered to be on the track for   standardization until the IESG has made a recommendation to advance   the protocol to the proposed standard state, and the IAB has approved   this step.   A few protocols have achieved widespread implementation without the   approval of the IESG and the IAB.  For example, some vendor protocols   have become very important to the Internet community even though they   have not been recommended by the IESG or ratified by the IAB.   However, the IAB strongly recommends that the IAB standards process   be used in the evolution of the protocol suite to maximize   interoperability (and to prevent incompatible protocol requirements   from arising).  The IAB reserves the use of the terms "standard",   "draft standard", and "proposed standard" in any RFC or other   publication of Internet protocols to only those protocols which the   IAB has approved.   In addition to a state (like "Proposed Standard"), a protocol is also   assigned a status, or requirement level, in this document.  The   possible requirement levels ("Required", "Recommended", "Elective",   "Limited Use", and "Not Recommended") are defined inSection 4.2.   When a protocol is on the standards track, that is in the proposed   standard, draft standard, or standard state (seeSection 5), the   status shown inSection 6 is the current status.  For a proposed or   draft standard, however, the IAB will also endeavor to indicate the   eventual status this protocol will have after adoption as a standard.   Few protocols are required to be implemented in all systems; this is   because there is such a variety of possible systems, for example,   gateways, terminal servers, workstations, and multi-user hosts.  TheInternet Architecture Board                                     [Page 4]

RFC 1410                     IAB Standards                    March 1993   requirement level shown in this document is only a one word label,   which may not be sufficient to characterize the implementation   requirements for a protocol in all situations.  For some protocols,   this document contains an additional status paragraph (an   applicability statement).  In addition, more detailed status   information is contained in separate requirements documents (seeSection 3).2.  The Request for Comments Documents   The documents called Request for Comments (or RFCs) are the working   notes of the "Network Working Group", that is the Internet research   and development community.  A document in this series may be on   essentially any topic related to computer communication, and may be   anything from a meeting report to the specification of a standard.   Notice:      All standards are published as RFCs, but not all RFCs specify      standards.   Anyone can submit a document for publication as an RFC.  Submissions   must be made via electronic mail to the RFC Editor (see the contact   information at the end of this memo, and seeRFC 1111).   While RFCs are not refereed publications, they do receive technical   review from the task forces, individual technical experts, or the RFC   Editor, as appropriate.   The RFC series comprises a wide range of documents, ranging from   informational documents of general interests to specifications of   standard Internet protocols.  In cases where submission is intended   to document a proposed standard, draft standard, or standard   protocol, the RFC Editor will publish the document only with the   approval of both the IESG and the IAB.  For documents describing   experimental work, the RFC Editor will notify the IESG before   publication, allowing for the possibility of review by the relevant   IETF working group or IRTF research group and provide those comments   to the author.  SeeSection 5.1 for more detail.   Once a document is assigned an RFC number and published, that RFC is   never revised or re-issued with the same number.  There is never a   question of having the most recent version of a particular RFC.   However, a protocol (such as File Transfer Protocol (FTP)) may be   improved and re-documented many times in several different RFCs.  It   is important to verify that you have the most recent RFC on a   particular protocol.  This "IAB Official Protocol Standards" memo is   the reference for determining the correct RFC for the currentInternet Architecture Board                                     [Page 5]

RFC 1410                     IAB Standards                    March 1993   specification of each protocol.   The RFCs are available from the Network Information Center at SRI   International, and a number of other sites.  For more information   about obtaining RFCs, see Sections7.4 and7.5.3.  Other Reference Documents   There are three other reference documents of interest in checking the   current status of protocol specifications and standardization.  These   are the Assigned Numbers, the Gateway Requirements, and the Host   Requirements.  Note that these documents are revised and updated at   different times; in case of differences between these documents, the   most recent must prevail.   Also, one should be aware of the MIL-STD publications on IP, TCP,   Telnet, FTP, and SMTP.  These are described inSection 3.4.3.1.  Assigned Numbers   This document lists the assigned values of the parameters used in the   various protocols.  For example, IP protocol codes, TCP port numbers,   Telnet Option Codes, ARP hardware types, and Terminal Type names.   Assigned Numbers was most recently issued asRFC-1340.   Another document, Internet Numbers, lists the assigned IP network   numbers, and the autonomous system numbers.  Internet Numbers was   most recently issued asRFC-1166.3.2.  Gateway Requirements   This document reviews the specifications that apply to gateways and   supplies guidance and clarification for any ambiguities.  Gateway   Requirements isRFC-1009.  A working group of the IETF is actively   preparing a revision.3.3.  Host Requirements   This pair of documents reviews and updates the specifications that   apply to hosts, and it supplies guidance and clarification for any   ambiguities.  Host Requirements was issued asRFC-1122 andRFC-1123.3.4.  The MIL-STD Documents   The Internet community specifications for IP (RFC-791) and TCP (RFC-793) and the DoD MIL-STD specifications are intended to describe   exactly the same protocols.  Any difference in the protocols   specified by these sets of documents should be reported to DCA and toInternet Architecture Board                                     [Page 6]

RFC 1410                     IAB Standards                    March 1993   the IAB.  The RFCs and the MIL-STDs for IP and TCP differ in style   and level of detail.  It is strongly advised that the two sets of   documents be used together, along withRFC-1122 andRFC-1123.   The IAB and the DoD MIL-STD specifications for the FTP, SMTP, and   Telnet protocols are essentially the same documents (RFCs 765, 821,   854).  The MIL-STD versions have been edited slightly.  Note that the   current Internet specification for FTP isRFC-959 (as modified byRFC-1123).   Note that these MIL-STD are now somewhat out of date.  The Gateway   Requirements (RFC-1009) and Host Requirements (RFC-1122,RFC-1123)   take precedence over both earlier RFCs and the MIL-STDs.          Internet Protocol (IP)                      MIL-STD-1777          Transmission Control Protocol (TCP)         MIL-STD-1778          File Transfer Protocol (FTP)                MIL-STD-1780          Simple Mail Transfer Protocol (SMTP)        MIL-STD-1781          Telnet Protocol and Options (TELNET)        MIL-STD-1782   These documents are available from the Naval Publications and Forms   Center.  Requests can be initiated by telephone, telegraph, or mail;   however, it is preferred that private industry use form DD1425, if   possible.          Naval Publications and Forms Center, Code 3015          5801 Tabor Ave          Philadelphia, PA 19120          Phone: 1-215-697-3321 (order tape)                 1-215-697-4834 (conversation)4.  Explanation of Terms   There are two independent categorization of protocols.  The first is   the "maturity level" or STATE of standardization, one of "standard",   "draft standard", "proposed standard", "experimental",   "informational" or "historic".  The second is the "requirement level"   or STATUS of this protocol, one of "required", "recommended",   "elective", "limited use", or "not recommended".   The status or requirement level is difficult to portray in a one word   label.  These status labels should be considered only as an   indication, and a further description, or applicability statement,   should be consulted.   When a protocol is advanced to proposed standard or draft standard,   it is labeled with a current status and when possible, the IAB also   notes the status that the protocol is expected to have when itInternet Architecture Board                                     [Page 7]

RFC 1410                     IAB Standards                    March 1993   reaches the standard state.   At any given time a protocol occupies a cell of the following matrix.   Protocols are likely to be in cells in about the following   proportions (indicated by the relative number of Xs).  A new protocol   is most likely to start in the (proposed standard, elective) cell, or   the (experimental, not recommended) cell.                             S T A T U S                     Req   Rec   Ele   Lim   Not                   +-----+-----+-----+-----+-----+           Std     |  X  | XXX | XXX |     |     |       S           +-----+-----+-----+-----+-----+           Draft   |  X  |  X  | XXX |     |     |       T           +-----+-----+-----+-----+-----+           Prop    |     |  X  | XXX |     |     |       A           +-----+-----+-----+-----+-----+           Info    |     |     |     |     |     |       T           +-----+-----+-----+-----+-----+           Expr    |     |     |     | XXX |     |       E           +-----+-----+-----+-----+-----+           Hist    |     |     |     |     | XXX |                   +-----+-----+-----+-----+-----+   What is a "system"?      Some protocols are particular to hosts and some to gateways; a few      protocols are used in both.  The definitions of the terms below      will refer to a "system" which is either a host or a gateway (or      both).  It should be clear from the context of the particular      protocol which types of systems are intended.4.1.  Definitions of Protocol State   Every protocol listed in this document is assigned to a "maturity   level" or STATE of standardization: "standard", "draft standard",   "proposed standard", "experimental", or "historic".   4.1.1.  Standard Protocol      The IAB has established this as an official standard protocol for      the Internet.  These protocols are assigned STD numbers (seeRFC-1311).  These are separated into two groups: (1) IP protocol and      above, protocols that apply to the whole Internet; and (2)      network-specific protocols, generally specifications of how to do      IP on particular types of networks.Internet Architecture Board                                     [Page 8]

RFC 1410                     IAB Standards                    March 1993   4.1.2.  Draft Standard Protocol      The IAB is actively considering this protocol as a possible      Standard Protocol.  Substantial and widespread testing and comment      are desired.  Comments and test results should be submitted to the      IAB.  There is a possibility that changes will be made in a Draft      Standard Protocol before it becomes a Standard Protocol.   4.1.3.  Proposed Standard Protocol      These are protocol proposals that may be considered by the IAB for      standardization in the future.  Implementation and testing by      several groups is desirable.  Revision of the protocol      specification is likely.   4.1.4.  Experimental Protocol      A system should not implement an experimental protocol unless it      is participating in the experiment and has coordinated its use of      the protocol with the developer of the protocol.      Typically, experimental protocols are those that are developed as      part of an ongoing research project not related to an operational      service offering.  While they may be proposed as a service      protocol at a later stage, and thus become proposed standard,      draft standard, and then standard protocols, the designation of a      protocol as experimental may sometimes be meant to suggest that      the protocol, although perhaps mature, is not intended for      operational use.   4.1.5.  Informational Protocol      Protocols developed by other standard organizations, or vendors,      or that are for other reasons outside the purview of the IAB, may      be published as RFCs for the convenience of the Internet community      as informational protocols.   4.1.6.  Historic Protocol      These are protocols that are unlikely to ever become standards in      the Internet either because they have been superseded by later      developments or due to lack of interest.4.2.  Definitions of Protocol Status      This document lists a "requirement level" or STATUS for each      protocol.  The status is one of "required", "recommended",      "elective", "limited use", or "not recommended".Internet Architecture Board                                     [Page 9]

RFC 1410                     IAB Standards                    March 1993   4.2.1.  Required Protocol      A system must implement the required protocols.   4.2.2.  Recommended Protocol      A system should implement the recommended protocols.   4.2.3.  Elective Protocol      A system may or may not implement an elective protocol. The      general notion is that if you are going to do something like this,      you must do exactly this.  There may be several elective protocols      in a general area, for example, there are several electronic mail      protocols, and several routing protocols.   4.2.4.  Limited Use Protocol      These protocols are for use in limited circumstances.  This may be      because of their experimental state, specialized nature, limited      functionality, or historic state.   4.2.5.  Not Recommended Protocol      These protocols are not recommended for general use.  This may be      because of their limited functionality, specialized nature, or      experimental or historic state.5.  The Standards Track   This section discusses in more detail the procedures used by the RFC   Editor and the IAB in making decisions about the labeling and   publishing of protocols as standards.5.1.  The RFC Processing Decision Table   Here is the current decision table for processing submissions by the   RFC Editor.  The processing depends on who submitted it, and the   status they want it to have.Internet Architecture Board                                    [Page 10]

RFC 1410                     IAB Standards                    March 1993      +==========================================================+      |**************|               S O U R C E                 |      +==========================================================+      | Desired      |    IAB   |   IESG   |   IRSG   |  Other   |      | Status       |          |          |          |          |      +==========================================================+      |              |          |          |          |          |      | Standard     |  Publish |  Vote    |  Bogus   |  Bogus   |      | or           |   (1)    |   (3)    |   (2)    |   (2)    |      | Draft        |          |          |          |          |      | Standard     |          |          |          |          |      +--------------+----------+----------+----------+----------+      |              |          |          |          |          |      |              |  Publish |  Vote    |  Refer   |  Refer   |      | Proposed     |   (1)    |   (3)    |   (4)    |   (4)    |      | Standard     |          |          |          |          |      |              |          |          |          |          |      +--------------+----------+----------+----------+----------+      |              |          |          |          |          |      |              |  Publish |  Notify  |  Notify  |  Notify  |      | Experimental |   (1)    |   (5)    |   (5)    |   (5)    |      | Protocol     |          |          |          |          |      |              |          |          |          |          |      +--------------+----------+----------+----------+----------+      |              |          |          |          |          |      | Information  |  Publish |Discretion|Discretion|Discretion|      | or Opinion   |   (1)    |   (6)    |   (6)    |   (6)    |      | Paper        |          |          |          |          |      |              |          |          |          |          |      +==========================================================+      (1) Publish.      (2) Bogus.  Inform the source of the rules.  RFCs specifying          Standard, or Draft Standard must come from the IAB, only.      (3) Vote by the IAB.  If approved then do Publish (1), else do          Refer (4).      (4) Refer to an Area Director for review by a WG.  Expect to see          the document again only after approval by the IESG and the          IAB.      (5) Notify both the IESG and IRSG.  If no concerns are raised in          two weeks then do Discretion (6), else RFC Editor to resolve          the concerns or do Refer (4).      (6) RFC Editor's discretion.  The RFC Editor decides if a reviewInternet Architecture Board                                    [Page 11]

RFC 1410                     IAB Standards                    March 1993          is needed and if so by whom.  RFC Editor decides to publish or          not.   Of course, in all cases the RFC Editor can request or make minor   changes for style, format, and presentation purposes.   The IESG has designated the IESG Secretary as its agent for   forwarding documents with IESG approval and for registering concerns   in response to notifications (5) to the RFC Editor.  Documents from   Area Directors or Working Group Chairs may be considered in the same   way as documents from "other".5.2.  The Standards Track Diagram   There is a part of the STATUS and STATE categorization that is called   the standards track.  Actually, only the changes of state are   significant to the progression along the standards track, though the   status assignments may be changed as well.   The states illustrated by single line boxes are temporary states,   those illustrated by double line boxes are long term states.  A   protocol will normally be expected to remain in a temporary state for   several months (minimum six months for proposed standard, minimum   four months for draft standard).  A protocol may be in a long term   state for many years.   A protocol may enter the standards track only on the recommendation   of the IESG and by action of the IAB; and may move from one state to   another along the track only on the recommendation of the IESG and by   action of the IAB.  That is, it takes both the IESG and the IAB to   either start a protocol on the track or to move it along.   Generally, as the protocol enters the standards track a decision is   made as to the eventual STATUS, requirement level or applicability   (elective, recommended, or required) the protocol will have, although   a somewhat less stringent current status may be assigned, and it then   is placed in the the proposed standard STATE with that status.  So   the initial placement of a protocol is into state 1.  At any time the   STATUS decision may be revisited.Internet Architecture Board                                    [Page 12]

RFC 1410                     IAB Standards                    March 1993         |         +<----------------------------------------------+         |                                               ^         V    0                                          |    4   +-----------+                                   +===========+   |   enter   |-->----------------+-------------->|experiment |   +-----------+                   |               +=====+=====+                                   |                     |                                   V    1                |                             +-----------+               V                             | proposed  |-------------->+                        +--->+-----+-----+               |                        |          |                     |                        |          V    2                |                        +<---+-----+-----+               V                             | draft std |-------------->+                        +--->+-----+-----+               |                        |          |                     |                        |          V    3                |                        +<---+=====+=====+               V                             | standard  |-------------->+                             +=====+=====+               |                                                         |                                                         V    5                                                   +=====+=====+                                                   | historic  |                                                   +===========+   The transition from proposed standard (1) to draft standard (2) can   only be by action of the IAB on the recommendation of the IESG and   only after the protocol has been proposed standard (1) for at least   six months.   The transition from draft standard (2) to standard (3) can only be by   action of the IAB on the recommendation of the IESG and only after   the protocol has been draft standard (2) for at least four months.   Occasionally, the decision may be that the protocol is not ready for   standardization and will be assigned to the experimental state (4).   This is off the standards track, and the protocol may be resubmitted   to enter the standards track after further work.  There are other   paths into the experimental and historic states that do not involve   IAB action.   Sometimes one protocol is replaced by another and thus becomes   historic, or it may happen that a protocol on the standards track is   in a sense overtaken by another protocol (or other events) and   becomes historic (state 5).Internet Architecture Board                                    [Page 13]

RFC 1410                     IAB Standards                    March 19936.  The Protocols   Subsection 6.1 lists recent RFCs and other changes.  Subsections6.2   - 6.9 list the standards in groups by protocol state.6.1.  Recent Changes6.1.1.  New RFCs:      1436 - The Internet Gopher Protocol             This is an information document and does not specify any             level of standard.      1435 - IESG Advice from Experience with Path MTU Discovery             This is an information document and does not specify any             level of standard.      1434 - Data Link Switching: Switch-to-Switch Protocol             This is an information document and does not specify any             level of standard.      1433 - Directed ARP             An Experimental protocol.      1432 - Recent Internet Books             This is an information document and does not specify any             level of standard.      1431 - DUA Metrics             This is an information document and does not specify any             level of standard.      1430 - A Strategic Plan for Deploying an Internet X.500 Directory             Service             This is an information document and does not specify any             level of standard.      1429 - Listserv Distribute Protocol             This is an information document and does not specify any             level of standard.Internet Architecture Board                                    [Page 14]

RFC 1410                     IAB Standards                    March 1993      1428 - Transition of Internet Mail from Just-Send-8 to 8bit-             SMTP/MIME             This is an information document and does not specify any             level of standard.      1427 - SMTP Service Extension for Message Size Declaration             A Proposed Standard protocol.      1426 - SMTP Service Extension for 8bit-MIMEtransport             A Proposed Standard protocol.      1425 - SMTP Service Extensions             A Proposed Standard protocol.      1424 - Privacy Enhancement for Internet Electronic Mail: Part IV:             Key Certification and Related Services             A Proposed Standard protocol.      1423 - Privacy Enhancement for Internet Electronic Mail: Part III:             Algorithms, Modes, and Identifiers             A Proposed Standard protocol.      1422 - Privacy Enhancement for Internet Electronic Mail: Part II:             Certificate-Based Key Management             A Proposed Standard protocol.      1421 - Privacy Enhancement for Internet Electronic Mail: Part I:             Message Encryption and Authentication Procedures             A Proposed Standard protocol.      1420 - SNMP over IPX             A Proposed Standard protocol.      1419 - SNMP over AppleTalk             A Proposed Standard protocol.Internet Architecture Board                                    [Page 15]

RFC 1410                     IAB Standards                    March 1993      1418 - SNMP over OSI             A Proposed Standard protocol.      1417 - NADF Standing Documents: A Brief Overview             This is an information document and does not specify any             level of standard.      1416 - Telnet Authentication Option             An Experimental protocol.      1415 - FTP-FTAM Gateway Specification             A Proposed Standard protocol.      1414 - Identification MIB             A Proposed Standard protocol.      1413 - Identification Protocol             A Proposed Standard protocol.      1412 - Telnet Authentication: SPX             An Experimental protocol.      1411 - Telnet Authentication: Kerberos Version 4             An Experimental protocol.      1410 - This memo.      1409 - Telnet Authentication Option             An Experimental protocol.      1408 - Telnet Environment Option             A Proposed Standard protocol.      1407 - Definitions of Managed Objects for the DS3/E3 Interface             Type             A Proposed Standard protocol.Internet Architecture Board                                    [Page 16]

RFC 1410                     IAB Standards                    March 1993      1406 - Definitions of Managed Objects for the DS1 and E1 Interface             Types             A Proposed Standard protocol.      1405 - Mapping between X.400(1984/1988) and Mail-11 (DECnet mail)             An Experimental protocol.      1404 - A Model for Common Operational Statistics             This is an information document and does not specify any             level of standard.      1403 - BGP OSPF Interaction             A Proposed Standard protocol.      1402 - There's Gold in them thar Networks! or Searching for             Treasure in all the Wrong Places             This is an information document and does not specify any             level of standard.      1401 - Correspondence between the IAB and DISA on the use of DNS             throughout the Internet             This is an information document and does not specify any             level of standard.      1400 - Not yet issued.      1399 - Not yet issued.      1398 - Definitions of Managed Objects for the Ethernet-like             Interface Types             A Draft Standard protocol.      1397 - Default Route Advertisement In BGP2 And BGP3 Versions Of             The Border Gateway Protocol             A Proposed Standard protocol.Internet Architecture Board                                    [Page 17]

RFC 1410                     IAB Standards                    March 1993      1396 - The Process for Organization of Internet Standards Working             Group (POISED), Steve Crocker, Chair             This is an information document and does not specify any             level of standard.      1395 - BOOTP Vendor Information Extensions             This is a status report.      1394 - Relationship of Telex Answerback Codes to Internet Domains             This is an information document and does not specify any             level of standard.      1393 - Traceroute Using an IP Option             An Experimental protocol.      1392 - Internet Users' Glossary             This is an information document and does not specify any             level of standard.      1391 - The Tao of IETF - A Guide for New Attendees of the Internet             Engineering Task Force             This is an information document and does not specify any             level of standard.      1390 - Transmission of IP and ARP over FDDI Networks             A full Standard protocol.      1389 - RIP Version 2 MIB Extension             A Proposed Standard protocol.      1388 - RIP Version 2 - Carrying Additional Information             A Proposed Standard protocol.      1387 - RIP Version 2 Protocol Analysis             This is an information document and does not specify any             level of standard.Internet Architecture Board                                    [Page 18]

RFC 1410                     IAB Standards                    March 1993      1386 - The US Domain             This is an information document and does not specify any             level of standard.      1385 - EIP: The Extended Internet Protocol A Framework for             Maintaining Backward Compatibility             This is an information document and does not specify any             level of standard.      1384 - Naming Guidelines for Directory Pilots             This is an information document and does not specify any             level of standard.      1383 - An Experiment in DNS Based IP Routing             An Experimental protocol.      1382 - SNMP MIB Extension for the X.25 Packet Layer             A Proposed Standard protocol.      1381 - SNMP MIB Extension for X.25 LAPB             A Proposed Standard protocol.      1380 - IESG Deliberations on Routing and Addressing             This is an information document and does not specify any             level of standard.      1379 - Extending TCP for Transactions -- Concepts             This is an information document and does not specify any             level of standard.      1378 - The PPP AppleTalk Control Protocol (ATCP)             A Proposed Standard protocol.      1377 - The PPP OSI Network Layer Control Protocol (OSINLCP)             A Proposed Standard protocol.Internet Architecture Board                                    [Page 19]

RFC 1410                     IAB Standards                    March 1993      1376 - The PPP DECnet Phase IV Control Protocol (DNCP)             A Proposed Standard protocol.      1375 - Suggestion for New Classes of IP Addresses             This is an information document and does not specify any             level of standard.      1374 - IP and ARP on HIPPI             A Proposed Standard protocol.      1373 - PORTABLE DUAs             This is an information document and does not specify any             level of standard.      1372 - Telnet Remote Flow Control Option             A Proposed Standard protocol.      1371 - Choosing a "Common IGP" for the IP Internet (The IESG's             Recommendation to the IAB)             This is an information document and does not specify any             level of standard.      1370 - Applicability Statement for OSPF             A Proposed Standard protocol.      1369 - Implementation Notes and Experience for The Internet             Ethernet MIB             This is an information document and does not specify any             level of standard.      1368 - Definitions of Managed Objects for IEEE 802.3 Repeater             Devices             A Proposed Standard protocol.      1367 - Schedule for IP Address Space Management Guidelines             This is an information document and does not specify any             level of standard.Internet Architecture Board                                    [Page 20]

RFC 1410                     IAB Standards                    March 1993      1366 - Guidelines for Management of IP Address Space             This is an information document and does not specify any             level of standard.      1365 - An IP Address Extension Proposal             This is an information document and does not specify any             level of standard.      1364 - BGP OSPF Interaction             A Proposed Standard protocol.      1363 - A Proposed Flow Specification             This is an information document and does not specify any             level of standard.      1362 - Novell IPX Over Various WAN Media (IPXWAN)             This is an information document and does not specify any             level of standard.      1334 - PPP Authentication Protocols             A Proposed Standard protocol.6.1.2.  Other Changes:   The following are changes to protocols listed in the previous   edition.      1305 - Network Time Protocol (Version 3) Specification,             Implementation and Analysis             Elevated to Draft Standard.      1230 - IEEE 802.4 Token Bus MIB             Moved to Historic.      1212 - Concise MIB Definitions             Elevated to full Standard.Internet Architecture Board                                    [Page 21]

RFC 1410                     IAB Standards                    March 1993      1191 - Path MTU Discovery             Elevated to Draft Standard.      1189 - The Common Management Information Services and Protocols             for the Internet (CMOT and CMIP)             Moved to Historic.6.2.  Standard ProtocolsProtocol   Name                                      Status    RFC STD *========   =====================================     ======== ==== === =--------   IAB Official Protocol Standards           Req      1360   1--------   Assigned Numbers                          Req      1340   2--------   Host Requirements - Communications        Req      1122   3--------   Host Requirements - Applications          Req      1123   3--------   Gateway Requirements                      Req      1009   4IP         Internet Protocol                         Req       791   5            as amended by:----------------     IP Subnet Extension                     Req       950   5--------     IP Broadcast Datagrams                  Req       919   5--------     IP Broadcast Datagrams with Subnets     Req       922   5ICMP       Internet Control Message Protocol         Req       792   5IGMP       Internet Group Multicast Protocol         Rec      1112   5UDP        User Datagram Protocol                    Rec       768   6TCP        Transmission Control Protocol             Rec       793   7TELNET     Telnet Protocol                           Rec   854,855   8FTP        File Transfer Protocol                    Rec       959   9SMTP       Simple Mail Transfer Protocol             Rec       821  10MAIL       Format of Electronic Mail Messages        Rec       822  11CONTENT    Content Type Header Field                 Rec      1049  11NTPV2      Network Time Protocol (Version 2)         Rec      1119  12DOMAIN     Domain Name System                        Rec 1034,1035  13DNS-MX     Mail Routing and the Domain System        Rec       974  14SNMP       Simple Network Management Protocol        Rec      1157  15SMI        Structure of Management Information       Rec      1155  16Concise-MIB Concise MIB Definitions                  Rec      1212  16 *MIB-II     Management Information Base-II            Rec      1213  17EGP        Exterior Gateway Protocol                 Rec       904  18NETBIOS    NetBIOS Service Protocols                 Ele 1001,1002  19ECHO       Echo Protocol                             Rec       862  20DISCARD    Discard Protocol                          Ele       863  21CHARGEN    Character Generator Protocol              Ele       864  22QUOTE      Quote of the Day Protocol                 Ele       865  23USERS      Active Users Protocol                     Ele       866  24DAYTIME    Daytime Protocol                          Ele       867  25TIME       Time Server Protocol                      Ele       868  26Internet Architecture Board                                    [Page 22]

RFC 1410                     IAB Standards                    March 1993TFTP       Trivial File Transfer Protocol            Ele      1350  33RIP        Routing Information Protocol              Ele      1058  34TP-TCP     ISO Transport Service on top of the TCP   Ele      1006  35 *[Note: an asterisk at the end of a line indicates a change from theprevious edition of this document.]Applicability Statements:   IGMP -- The Internet Architecture Board intends to move towards   general adoption of IP multicasting, as a more efficient solution   than broadcasting for many applications.  The host interface has been   standardized inRFC-1112; however, multicast-routing gateways are in   the experimental stage and are not widely available.  An Internet   host should support all ofRFC-1112, except for the IGMP protocol   itself which is optional; seeRFC-1122 for more details.  Even   without IGMP, implementation ofRFC-1112 will provide an important   advance: IP-layer access to local network multicast addressing.  It   is expected that IGMP will become recommended for all hosts and   gateways at some future date.   SMI, MIB-II SNMP -- The Internet Architecture Board recommends that   all IP and TCP implementations be network manageable.  At the current   time, this implies implementation of the Internet MIB-II (RFC-1213),   and at least the recommended management protocol SNMP (RFC-1157).   RIP -- The Routing Information Protocol (RIP) is widely implemented   and used in the Internet.  However, both implementors and users   should be aware that RIP has some serious technical limitations as a   routing protocol.  The IETF is currently developing several   candidates for a new standard "open" routing protocol with better   properties than RIP.  The IAB urges the Internet community to track   these developments, and to implement the new protocol when it is   standardized; improved Internet service will result for many users.   TP-TCP -- As OSI protocols become more widely implemented and used,   there will be an increasing need to support interoperation with the   TCP/IP protocols.  The Internet Engineering Task Force is formulating   strategies for interoperation.RFC-1006 provides one interoperation   mode, in which TCP/IP is used to emulate TP0 in order to support OSI   applications.  Hosts that wish to run OSI connection-oriented   applications in this mode should use the procedure described inRFC-1006.  In the future, the IAB expects that a major portion of the   Internet will support both TCP/IP and OSI (inter-)network protocols   in parallel, and it will then be possible to run OSI applications   across the Internet using full OSI protocol "stacks".Internet Architecture Board                                    [Page 23]

RFC 1410                     IAB Standards                    March 19936.3.  Network-Specific Standard ProtocolsAll Network-Specific Standards have Elective status.Protocol   Name                                    State    RFC   STD *========   =====================================   =====   =====  === =IP-FDDI    Transmission of IP and ARP over FDDI Net Std    1390    36 *IP-HIPPI   IP and ARP on HIPPI                      Prop   1374       *IP-X.25    X.25 and ISDN in the Packet Mode         Prop   1356IP-FR      Multiprotocol over Frame Relay           Prop   1294IP-SMDS    IP Datagrams over the SMDS Service       Prop   1209IP-ARCNET  Transmitting IP Traffic over ARCNET Nets Prop   1201ARP        Address Resolution Protocol              Std     826    37RARP       A Reverse Address Resolution Protocol    Std     903    38IP-ARPA    Internet Protocol on ARPANET             Std BBN1822IP-WB      Internet Protocol on Wideband Network    Std     907IP-E       Internet Protocol on Ethernet Networks   Std     894IP-EE      Internet Protocol on Exp. Ethernet Nets  Std     895IP-IEEE    Internet Protocol on IEEE 802            Std    1042IP-DC      Internet Protocol on DC Networks         Std     891IP-HC      Internet Protocol on Hyperchannel        Std    1044IP-ARC     Internet Protocol on ARCNET              Std    1051IP-SLIP    Transmission of IP over Serial Lines     Std    1055IP-NETBIOS Transmission of IP over NETBIOS          Std    1088IP-IPX     Transmission of 802.2 over IPX Networks  Std    1132[Note: an asterisk at the end of a line indicates a change from theprevious edition of this document.]Applicability Statements:   It is expected that a system will support one or more physical   networks and for each physical network supported the appropriate   protocols from the above list must be supported.  That is, it is   elective to support any particular type of physical network, and for   the physical networks actually supported it is required that they be   supported exactly according to the protocols in the above list.  See   also the Host and Gateway Requirements RFCs for more specific   information on network-specific ("link layer") protocols.Internet Architecture Board                                    [Page 24]

RFC 1410                     IAB Standards                    March 19936.4.  Draft Standard ProtocolsProtocol   Name                                     Status          RFC========   =====================================    ============== =====ETHER-MIB  Ethernet MIB                             Elective       1398*NTPV3      Network Time Protocol (Version 3)        Elective       1305*IP-MTU     Path MTU Discovery                       Elective       1191*FINGER     Finger Protocol                          Elective       1288BGP3       Border Gateway Protocol 3 (BGP-3)        Elective  1267,1268OSPF2      Open Shortest Path First Routing V2      Elective       1247POP3       Post Office Protocol, Version 3          Elective       1225IP-FDDI    Internet Protocol on FDDI Networks       Elective       1188PPP        Point to Point Protocol                  Elective       1171BOOTP      Bootstrap Protocol                      Recommended 951,1395*NICNAME    WhoIs Protocol                           Elective        954[Note: an asterisk at the end of a line indicates a change from theprevious edition of this document.]Applicability Statements:   PPP -- Point to Point Protocol is a method of sending IP over serial   lines, which are a type of physical network.  It is anticipated that   PPP will be advanced to the network-specifics standard protocol state   in the future.6.5.  Proposed Standard ProtocolsProtocol   Name                                     Status          RFC========   =====================================    ============== =====SMTP-SIZE  SMTP Service Ext for Message Size        Elective       1427*SMTP-8BIT  SMTP Service Ext or 8bit-MIMEtransport   Elective       1426*SMTP-EXT   SMTP Service Extensions                  Elective       1425*PEM-KEY    PEM - Key Certification                  Elective       1424*PEM-ALG    PEM - Algorithms, Modes, and Identifiers Elective       1423*PEM-CKM    PEM - Certificate-Based Key Management   Elective       1422*PEM-ENC    PEM - Message Encryption and Auth        Elective       1421*SNMP-IPX   SNMP over IPX                            Elective       1420*SNMP-AT    SNMP over AppleTalk                      Elective       1419*SNMP-OSI   SNMP over OSI                            Elective       1418*FTP-FTAM   FTP-FTAM Gateway Specification           Elective       1415*IDENT-MIB  Identification MIB                       Elective       1414*IDENT      Identification MIB                       Elective       1413*DS3/E3-MIB DS3/E3 Interface Type                    Elective       1407*DS1/E1-MIB DS1/E1 Interface Type                    Elective       1406*BGP-OSPF   BGP OSPF Interaction                     Elective       1403*--------   Route Advertisement In BGP2 And BGP3     Elective       1397*RIP2-MIB   RIP Version 2 MIB Extension              Elective       1389*Internet Architecture Board                                    [Page 25]

RFC 1410                     IAB Standards                    March 1993RIP2       RIP Version 2-Carrying Additional Info.  Elective       1388*SNMP-X.25  SNMP MIB Extension for X.25 Packet Layer Elective       1382*SNMP-LAPB  SNMP MIB Extension for X.25 LAPB         Elective       1381*PPP-ATCP   PPP AppleTalk Control Protocol           Elective       1378*PPP-OSINLCP PPP OSI Network Layer Control Protocol  Elective       1377*PP-DNCP    PPP DECnet Phase IV Control Protocol     Elective       1376*802.3-MIB  IEEE 802.3 Repeater MIB                  Elective       1368*BGP-OSPF   BGP OSPF Interaction                     Elective       1364*TABLE-MIB  IP Forwarding Table MIB                  Elective       1354SNMP-PARTY-MIB Administration of SNMP               Elective       1353SNMP-SEC   SNMP Security Protocols                  Elective       1352SNMP-ADMIN SNMP Administrative Model                Elective       1351TOS        Type of Service in the Internet          Elective       1349-------    Representation of Non-ASCII Text         Elective       1342MIME       Multipurpose Internet Mail Extensions    Elective       1341PPP-AUTH   PPP Authentication                       Elective       1334*PPP-LINK   PPP Link Quality Monitoring              Elective       1333PPP-IPCP   PPP Control Protocol                     Elective       1332PPP        Point-to-Point Protocol (PPP)            Elective       1331-------    X.400 1988 to 1984 downgrading           Elective       1328-------    Mapping between X.400(1988)              Elective       1327TCP-EXT    TCP Extensions for High Performance      Elective       1323-------    Def. Man. Objs Parallel-printer-like     Elective       1318-------    Def. Man Objs RS-232-like                Elective       1317-------    Def. Man. Objs. Character Stream         Elective       1316FRAME-MIB  Management Information Base for Frame    Elective       1315NETFAX     File Format for the Exchange of Images   Elective       1314SIP-MIB    SIP Interface Type MIB                   Elective       1304IARP       Inverse Address Resolution Protocol      Elective       1293DECNET-MIB DECNET MIB                               Elective       1289BRIDGE-MIB BRIDGE-MIB                               Elective       1286FDDI-MIB   FDDI-MIB                                 Elective       1285ETHER-MIB  Ethernet MIB                             Elective       1284-------    Encoding Network Addresses               Elective       1277-------    Replication and Distributed Operations   Elective       1276-------    COSINE and Internet X.500 Schema         Elective       1274RMON-MIB   Remote Network Monitoring MIB            Elective       1271BGP-MIB    Border Gateway Protocol MIB (Version 3)  Elective       1269ICMP-ROUT  ICMP Router Discovery Messages           Elective       1256OSPF-MIB   OSPF Version 2 MIB                       Elective       1253IPSO       DoD Security Options for IP              Elective       1108AT-MIB     Appletalk MIB                            Elective       1243OSI-UDP    OSI TS on UDP                            Elective       1240STD-MIBs   Reassignment of Exp MIBs to Std MIBs     Elective       1239OSI-NSAP   Guidelines for OSI NSAP Allocation       Elective       1237IPX-IP     Tunneling IPX Traffic through IP Nets    Elective       1234DS3-MIB    DS3 Interface Objects                    Elective       1233DS1-MIB    DS1 Interface Objects                    Elective       1232Internet Architecture Board                                    [Page 26]

RFC 1410                     IAB Standards                    March 1993802.5-MIB  IEEE 802.5 Token Ring MIB                Elective       1231GINT-MIB   Extensions to the Generic-Interface MIB  Elective       1229PPP-EXT    PPP Extensions for Bridging              Elective       1220OIM-MIB-II OSI Internet Management: MIB-II          Elective       1214IS-IS      OSI IS-IS for TCP/IP Dual Environments   Elective       1195IP-CMPRS   Compressing TCP/IP Headers               Elective       1144ISO-TS-ECHO Echo for ISO-8473                       Elective       1139SUN-NFS    Network File System Protocol             Elective       1094SUN-RPC    Remote Procedure Call Protocol           Elective       1057-------    Mapping Between X.400(1984)              Elective   1026,987NNTP       Network News Transfer Protocol           Elective        977[Note: an asterisk at the end of a line indicates a change from theprevious edition of this document.]Applicability Statements:   OSPF -RFC 1370 is an applicability statement for OSPF.6.6.  Telnet OptionsFor convenience, all the Telnet Options are collected here with boththeir state and status.Protocol   Name                           Number  State Status  RFC STD========   =====================================  ===== ====== ==== ====TOPT-BIN   Binary Transmission                 0  Std   Rec     856  27TOPT-ECHO  Echo                                1  Std   Rec     857  28TOPT-RECN  Reconnection                        2  Prop  Ele     ...TOPT-SUPP  Suppress Go Ahead                   3  Std   Rec     858  29TOPT-APRX  Approx Message Size Negotiation     4  Prop  Ele     ...TOPT-STAT  Status                              5  Std   Rec     859  30TOPT-TIM   Timing Mark                         6  Std   Rec     860  31TOPT-REM   Remote Controlled Trans and Echo    7  Prop  Ele     726TOPT-OLW   Output Line Width                   8  Prop  Ele     ...TOPT-OPS   Output Page Size                    9  Prop  Ele     ...TOPT-OCRD  Output Carriage-Return Disposition 10  Prop  Ele     652TOPT-OHT   Output Horizontal Tabstops         11  Prop  Ele     653TOPT-OHTD  Output Horizontal Tab Disposition  12  Prop  Ele     654TOPT-OFD   Output Formfeed Disposition        13  Prop  Ele     655TOPT-OVT   Output Vertical Tabstops           14  Prop  Ele     656TOPT-OVTD  Output Vertical Tab Disposition    15  Prop  Ele     657TOPT-OLD   Output Linefeed Disposition        16  Prop  Ele     658TOPT-EXT   Extended ASCII                     17  Prop  Ele     698TOPT-LOGO  Logout                             18  Prop  Ele     727TOPT-BYTE  Byte Macro                         19  Prop  Ele     735TOPT-DATA  Data Entry Terminal                20  Prop  Ele    1043TOPT-SUP   SUPDUP                             21  Prop  Ele     736Internet Architecture Board                                    [Page 27]

RFC 1410                     IAB Standards                    March 1993TOPT-SUPO  SUPDUP Output                      22  Prop  Ele     749TOPT-SNDL  Send Location                      23  Prop  Ele     779TOPT-TERM  Terminal Type                      24  Prop  Ele    1091TOPT-EOR   End of Record                      25  Prop  Ele     885TOPT-TACACS  TACACS User Identification       26  Prop  Ele     927TOPT-OM    Output Marking                     27  Prop  Ele     933TOPT-TLN   Terminal Location Number           28  Prop  Ele     946TOPT-3270  Telnet 3270 Regime                 29  Prop  Ele    1041TOPT-X.3   X.3 PAD                            30  Prop  Ele    1053TOPT-NAWS  Negotiate About Window Size        31  Prop  Ele    1073TOPT-TS    Terminal Speed                     32  Prop  Ele    1079TOPT-RFC   Remote Flow Control                33  Prop  Ele    1372*TOPT-LINE  Linemode                           34  Draft Ele    1184TOPT-XDL   X Display Location                 35  Prop  Ele    1096TOPT-ENVIR Telnet Environment Option          36  Prop  Ele    1408*TOPT-AUTH  Telnet Authentication Option       37  Exp   Ele    1416*TOPT-EXTOP Extended-Options-List             255  Std   Rec     861  32[Note: an asterisk at the end of a line indicates a change from theprevious edition of this document.]6.7.  Experimental ProtocolsAll Experimental protocols have the Limited Use status.Protocol   Name                                                     RFC========   =====================================                   =====DIR-ARP    Directed ARP                                            1433*TEL-SPX    Telnet Authentication: SPX                              1412*TEL-KER    Telnet Authentication: Kerberos V4                      1411*MAP-MAIL   X.400 Mapping and Mail-11                               1405*TRACE-IP   Traceroute Using an IP Option                           1393*DNS-IP     Experiment in DNS Based IP Routing                      1383*DNS NSAP   DNS NSAP RRs                                            1348RMCP       Remote Mail Checking Protocol                           1339MSP2       Message Send Protocol 2                                 1312DSLCP      Dynamically Switched Link Control                       1307--------   X.500 and Domains                                       1279SNMP-OSI   SNMP over OSI                                           1283IN-ENCAP   Internet Encapsulation Protocol                         1241CLNS-MIB   CLNS-MIB                                                1238CFDP       Coherent File Distribution Protocol                     1235SNMP-DPI   SNMP Distributed Program Interface                      1228SNMP-MUX   SNMP MUX Protocol and MIB                               1227IP-AX.25   IP Encapsulation of AX.25 Frames                        1226ALERTS     Managing Asynchronously Generated Alerts                1224MPP        Message Posting Protocol                                1204ST-II      Stream Protocol                                         1190Internet Architecture Board                                    [Page 28]

RFC 1410                     IAB Standards                    March 1993SNMP-BULK  Bulk Table Retrieval with the SNMP                      1187DNS-RR     New DNS RR Definitions                                  1183NTP-OSI    NTP over OSI Remote Operations                          1165EHF-MAIL   Encoding Header Field for Mail                          1154DMF-MAIL   Digest Message Format for Mail                          1153RDP        Reliable Data Protocol                              908,1151--------   Mapping between X.400(88) andRFC-822                   1148TCP-ACO    TCP Alternate Checksum Option                           1146--------   Mapping full 822 to Restricted 822                      1137IP-DVMRP   IP Distance Vector Multicast Routing                    1075TCP-LDP    TCP Extensions for Long Delay Paths                     1072IMAP2      Interactive Mail Access Protocol                   1176,1064IMAP3      Interactive Mail Access Protocol                        1203VMTP       Versatile Message Transaction Protocol                  1045COOKIE-JAR Authentication Scheme                                   1004NETBLT     Bulk Data Transfer Protocol                              998IRTP       Internet Reliable Transaction Protocol                   938AUTH       Authentication Service                                   931LDP        Loader Debugger Protocol                                 909RLP        Resource Location Protocol                               887NVP-II     Network Voice Protocol                              ISI-memoPVP        Packet Video Protocol                               ISI-memo[Note: an asterisk at the end of a line indicates a change from theprevious edition of this document.]6.8.  Informational ProtocolsInformation protocols have no status.Protocol   Name                                                     RFC=======    ====================================                    =====GOPHER     The Internet Gopher Protocol                            1436*-------    Data Link Switching: Switch-to-Switch Protocol          1434*LISTSERV   Listserv Distribute Protocol                            1429*-------    Replication Requirements                                1275PCMAIL     Pcmail Transport Protocol                               1056MTP        Multicast Transport Protocol                            1301SNMP-IPX   SNMP over IPX                                           1298BSD Login  BSD Login                                               1282DIXIE      DIXIE Protocol Specification                            1249IP-X.121   IP to X.121 Address Mapping for DDN                     1236OSI-HYPER  OSI and LLC1 on HYPERchannel                            1223HAP2       Host Access Protocol                                    1221SUBNETASGN On the Assignment of Subnet Numbers                     1219SNMP-TRAPS Defining Traps for use with SNMP                        1215DAS        Directory Assistance Service                            1202MD4        MD4 Message Digest Algorithm                            1186Internet Architecture Board                                    [Page 29]

RFC 1410                     IAB Standards                    March 1993LPDP       Line Printer Daemon Protocol                            1179[Note: an asterisk at the end of a line indicates a change from theprevious edition of this document.]6.9.  Historic ProtocolsAll Historic protocols have Not Recommended status.Protocol   Name                                                     RFC=======    =====================================                   =====802.4-MIP  IEEE 802.4 Token Bus MIB                                1230*CMOT       Common Management Information Services                  1189*PPP-INIT   PPP Initial Configuration Options                       1172MSP        Message Send Protocol                                   1159--------   Mail Privacy: Procedures                                1113--------   Mail Privacy: Key Management                            1114--------   Mail Privacy: Algorithms                                1115NFILE      A File Access Protocol                                  1037HOSTNAME   HOSTNAME Protocol                                        953SFTP       Simple File Transfer Protocol                            913SUPDUP     SUPDUP Protocol                                          734BGP        Border Gateway Protocol                            1163,1164MIB-I      MIB-I                                                   1156SGMP       Simple Gateway Monitoring Protocol                      1028HEMS       High Level Entity Management Protocol                   1021STATSRV    Statistics Server                                        996POP2       Post Office Protocol, Version 2                          937RATP       Reliable Asynchronous Transfer Protocol                  916HFEP       Host - Front End Protocol                                929THINWIRE   Thinwire Protocol                                        914HMP        Host Monitoring Protocol                                 869GGP        Gateway Gateway Protocol                                 823RTELNET    Remote Telnet Service                                    818CLOCK      DCNET Time Server Protocol                               778MPM        Internet Message Protocol                                759NETRJS     Remote Job Service                                       740NETED      Network Standard Text Editor                             569RJE        Remote Job Entry                                         407XNET       Cross Net Debugger                                   IEN-158NAMESERVER Host Name Server Protocol                            IEN-116MUX        Multiplexing Protocol                                 IEN-90GRAPHICS   Graphics Protocol                                  NIC-24308[Note: an asterisk at the end of a line indicates a change from theprevious edition of this document.]Internet Architecture Board                                    [Page 30]

RFC 1410                     IAB Standards                    March 19937.  Contacts7.1.  IAB, IETF, and IRTF Contacts   7.1.1.  Internet Architecture Board (IAB) Contact   Please send your comments about this list of protocols and especially   about the Draft Standard Protocols to the Internet Architecture Board   care of Bob Braden, IAB Executive Director.      Contacts:         Bob Braden         Executive Director of the IAB         USC/Information Sciences Institute         4676 Admiralty Way         Marina del Rey, CA  90292-6695         1-310-822-1511         Braden@ISI.EDU         A. Lyman Chapin         Chair of the IAB         Bolt, Beranek & Newman         Mail Stop 20/5b         150 Cambridge Park Drive         Cambridge, MA 02140         1-617-873-3133         Lyman@BBN.COM   7.1.2.  Internet Engineering Task Force (IETF) Contact      Contacts:         Phill Gross         Chair of the IETF         Advanced Network and Services         100 Clearbrook Road         Elmsford, NY  10523         1-914-789-5300         PGross@ANS.NETInternet Architecture Board                                    [Page 31]

RFC 1410                     IAB Standards                    March 1993         Greg Vaudreuil         IESG Secretary         Corporation for National Research Initiatives         1895 Preston White Drive, Suite 100         Reston, VA 22091         1-703-620-8990         gvaudre@CNRI.RESTON.VA.US         Steve Coya         Executive Director of the IETF         Corporation for National Research Initiatives         1895 Preston White Drive, Suite 100         Reston, VA 22091         1-703-620-8990         scoya@CNRI.RESTON.VA.US   7.1.3.  Internet Research Task Force (IRTF) Contact      Contact:         Jon Postel         Chair of the IRTF         USC/Information Sciences Institute         4676 Admiralty Way         Marina del Rey, CA  90292-6695         1-310-822-1511         Postel@ISI.EDUInternet Architecture Board                                    [Page 32]

RFC 1410                     IAB Standards                    March 19937.2.  Internet Assigned Numbers Authority Contact      Contact:         Joyce K. Reynolds         Internet Assigned Numbers Authority         USC/Information Sciences Institute         4676 Admiralty Way         Marina del Rey, CA  90292-6695         1-310-822-1511         IANA@ISI.EDU   The protocol standards are managed for the IAB by the Internet   Assigned Numbers Authority.   Please refer to the document "Assigned Numbers" (RFC-1340) for   further information about the status of protocol documents.  There   are two documents that summarize the requirements for host and   gateways in the Internet, "Host Requirements" (RFC-1122 andRFC-1123)   and "Gateway Requirements" (RFC-1009).      How to obtain the most recent edition of this "IAB Official      Protocol Standards" memo:         The file "in-notes/iab-standards.txt" may be copied via FTP         from the VENERA.ISI.EDU computer using the FTP username         "anonymous" and FTP password "guest".Internet Architecture Board                                    [Page 33]

RFC 1410                     IAB Standards                    March 19937.3.  Request for Comments Editor Contact      Contact:         Jon Postel         RFC Editor         USC/Information Sciences Institute         4676 Admiralty Way         Marina del Rey, CA  90292-6695         1-310-822-1511         RFC-Editor@ISI.EDU   Documents may be submitted via electronic mail to the RFC Editor for   consideration for publication as RFC.  If you are not familiar with   the format or style requirements please request the "Instructions for   RFC Authors".  In general, the style of any recent RFC may be used as   a guide.7.4.  The Network Information Center and      Requests for Comments Distribution Contact      Contact:         Network Solutions         Attn: Network Information Center         14200 Park Meadow Drive         Suite 200         Chantilly, VA  22021         Help Desk Hours of Operation: 7:00 am to 7:00 pm Eastern Time         1-800-365-3642 (1-800-365-DNIC)         1-703-802-4535         Fax Number: 1-703-802-8376         NIC@NIC.DDN.MIL   The Network Information Center (NIC) provides many information   services for the Internet community.  Among them is maintaining the   Requests for Comments (RFC) library.Internet Architecture Board                                    [Page 34]

RFC 1410                     IAB Standards                    March 19937.5.  Sources for Requests for Comments   Details on obtaining RFCs via FTP or EMAIL may be obtained by sending   an EMAIL message to "rfc-info@ISI.EDU" with the message body "help:   ways_to_get_rfcs".  For example:           To: rfc-info@ISI.EDU           Subject: getting rfcs           help: ways_to_get_rfcs8.  Security Considerations   Security issues are not addressed in this memo.9.  Author's Address   Jon Postel   USC/Information Sciences Institute   4676 Admiralty Way   Marina del Rey, CA 90292   Phone: 310-822-1511   Fax:   310-823-6714   Email: Postel@ISI.EDUInternet Architecture Board                                    [Page 35]

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