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Updated by:8553Errata ExistNetwork Working Group E. O'TuathailRequest for Comments: 4227 Clipcode.comObsoletes:3288 M. RoseCategory: Standards Track Dover Beach Consulting, Inc. January 2006Using the Simple Object Access Protocol (SOAP)in Blocks Extensible Exchange Protocol (BEEP)Status of This Memo This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited.Copyright Notice Copyright (C) The Internet Society (2006).Abstract This memo specifies a Simple Object Access Protocol (SOAP) binding to the Blocks Extensible Exchange Protocol (BEEP) core. A SOAP binding describes how SOAP messages are transmitted in the network. The SOAP is an XML-based (eXtensible Markup Language) messaging protocol used to implement a wide variety of distributed messaging models. It defines a message format and describes a variety of message patterns, including, but not limited to, Remote Procedure Calling (RPC), asynchronous event notification, unacknowledged messages, and forwarding via SOAP intermediaries.O'Tuathail & Rose Standards Track [Page 1]
RFC 4227 Using SOAP in BEEP January 2006Table of Contents1. Introduction ....................................................32. BEEP Profile Identification .....................................32.1. Profile Initialization .....................................43. SOAP Message Packages ...........................................64. SOAP Message Patterns ...........................................84.1. One-Way Message ............................................84.2. Request-Response Exchange ..................................84.3. Request/N-Responses Exchange ...............................84.4. Error Handling .............................................95. SOAP Protocol Binding Framework Conformance .....................95.1. Binding Name ...............................................95.2. Base URI ...................................................95.3. Supported SOAP Message Exchange Patterns ...................95.4. Supported Features .........................................95.5. MEP Operation .............................................105.5.1. Behavior of Requesting SOAP Node ...................105.5.1.1. Init ......................................105.5.1.2. Requesting ................................105.5.1.3. Sending+Receiving .........................105.5.1.4. Success and Fail ..........................115.5.2. Behavior of Responding SOAP Node ...................115.5.2.1. Init ......................................115.5.2.2. Receiving .................................115.5.2.3. Receiving+Sending .........................115.5.2.4. Success and Fail ..........................116. URL Schemes ....................................................116.1. The soap.beep URL Scheme ..................................116.1.1. Resolving IP/TCP Address Information ...............126.2. The soap.beeps URL Scheme .................................137. Registration Templates .........................................137.1. SOAP Profile Feature Registration Template ................138. Initial Registrations ..........................................138.1. Registration: The SOAP Profile ............................138.2. Registration: The soap.beep URL Scheme ....................148.3. Registration: The soap.beeps URL Scheme ...................14 8.4. Registration: The System (Well-Known) TCP Port Number for SOAP ...........................................159. Security Considerations ........................................1510. IANA Considerations ...........................................1611. Changes fromRFC 3288 .........................................1612. Acknowledgements ..............................................1713. References ....................................................1713.1. Normative References .....................................1713.2. Informative References ...................................18A. Appendix - SOAP with Attachments (Informative) .................19O'Tuathail & Rose Standards Track [Page 2]
RFC 4227 Using SOAP in BEEP January 20061. Introduction This memo specifies how SOAP envelopes [15] are transmitted using a BEEP profile [1]. Conforming implementations MUST support SOAP version 1.2 [15] and MAY support other versions, such as SOAP version 1.1 [17]. This memo specifies how SOAP envelopes [15] are transmitted using a BEEP profile [1]. Unlike its predecessor,RFC3288 [16], this memo does not mandate the use of SOAP version 1.1. Throughout this memo, the term "envelope" refers to the top-level element exchanged by SOAP senders and receivers. For example, when referring to SOAP version 1.2, the term "envelope" refers to the "Envelope" element defined in Section 5.1 of [2]. Furthermore, the terms "peer", "client", "server", "one-to-one", and "one-to-many" are used in the context of BEEP. In particular, Sections2.1 and2.1.1 of [1] discuss BEEP roles and exchange styles.2. BEEP Profile Identification The BEEP profile for SOAP is identified ashttp://iana.org/beep/soap/VERSION in the BEEP "profile" element during channel creation. where "VERSION" refers to the numeric version of the SOAP specification. For example,http://iana.org/beep/soap/1.2 refers to version 1.2. Note thatRFC 3288 [16] usedhttp://iana.org/beep/soap for the purposes of profile identification for SOAP version 1.1 envelopes [17]. If an implementation of this memo chooses to implement SOAP version 1.1, then it should support both this Uniform Resource Identifier (URI) for profile identification as well as "http://iana.org/beep/soap/1.1". In BEEP, when the first channel is successfully created, the "serverName" attribute in the "start" element identifies the "virtual host" associated with the peer acting in the server role, e.g.,O'Tuathail & Rose Standards Track [Page 3]
RFC 4227 Using SOAP in BEEP January 2006 <start number='1' serverName='stockquoteserver.example.com'> <profile uri='http://iana.org/beep/soap/1.2' /> </start> The "serverName" attribute is analogous to HTTP's "Host" request- header field (cf. Section 14.23 of [4]). There are two states in the BEEP profile for SOAP, "boot" and "ready": o In the "boot" state, the peer requesting the creation of the channel sends a "bootmsg" (either during channel initialization or in a "MSG" message). * If the other peer sends a "bootrpy" (either during channel initialization or in an "RPY" message), then the "ready" state is entered * Otherwise, the other peer sends an "error" (either during channel initialization or in an "ERR" message), then no state change occurs. o In the "ready" state, either peer begins a SOAP message pattern by sending a "MSG" message containing an envelope. The other peer completes the message pattern either by * sending back an "RPY" message containing an envelope or * sending back zero or more "ANS" messages, each containing an envelope, followed by a "NUL" message. Regardless, no state change occurs.2.1. Profile Initialization The boot message is used for two purposes: resource identification: each channel bound to the BEEP profile for SOAP provides access to a single resource (a network data object or service). feature negotiation: if new features of SOAP (such as compression) emerge, their use can be negotiated.O'Tuathail & Rose Standards Track [Page 4]
RFC 4227 Using SOAP in BEEP January 2006 The DTD syntax for the boot message and its response are: <!ELEMENT bootmsg EMPTY> <!ATTLIST bootmsg resource CDATA #REQUIRED features NMTOKENS ""> <!ELEMENT bootrpy EMPTY> <!ATTLIST bootrpy features NMTOKENS ""> The boot message contains a mandatory and an optional attribute: o the "resource" attribute, which is analogous to HTTP's "abs_path" Request-URI parameter (cf. Section 5.1.2 of [4]) and o the "features" attribute, which, if present, contains one or more feature tokens, each indicating an optional feature of the BEEP profile for SOAP that is being requested for possible use over the channel.Section 7.1 defines a registration template for optional features. If the peer acting in the server role recognizes the requested resource, it replies with the boot response that contains one optional attribute: o The "features" attribute, if present, contains a subset of the feature tokens in the boot message, indicating which features may be used over the channel. (If not present or empty, then no features may be used.) Otherwise, if the boot message is improperly formed, or if the requested resource is not recognized, the peer acting in the server role replies with an error message (cf. Section 7.1 of [1]). Typically, the boot message and its response are exchanged during channel initialization (cf. Section 2.3.1.2 of [1]). For example, here the boot message and its response are exchanged during channel initialization: C: <start number='1' serverName='stockquoteserver.example.com'> C: <profile uri='http://iana.org/beep/soap/1.2'> C: <![CDATA[<bootmsg resource='/StockQuote' />]]> C: </profile> C: </start>O'Tuathail & Rose Standards Track [Page 5]
RFC 4227 Using SOAP in BEEP January 2006 S: <profile uri='http://iana.org/beep/soap/1.2'> S: <![CDATA[<bootrpy />]]> S: </profile> The channel bound to the BEEP profile for SOAP is now in the "ready" state. Alternatively, here is an example in which the boot exchange is unsuccessful: C: <start number='1' serverName='stockquoteserver.example.com'> C: <profile uri='http://iana.org/beep/soap/1.2'> C: <![CDATA[<bootmsg resource='/StockPick' />]]> C: </profile> C: </start> S: <profile uri='http://iana.org/beep/soap/1.2'> S: <![CDATA[<error code='550'>resource not S: supported</error>]]> S: </profile> Although the channel was created successfully, it remains in the "boot" state.3. SOAP Message Packages The BEEP profile for SOAP transmits envelopes encoded as UTF-8 and SHOULD use the media type "application/soap+xml" [5], e.g., MSG 1 1 . 0 284 Content-Type: application/soap+xml <env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope"> <env:Header> <m:GetLastTradePrice xmlns:m="Some-URI" /> </env:Header> <env:Body> <symbol xmlns:p="Some-URI" >DIS</symbol> </env:Body> </env:Envelope> END To provide compatibility withRFC 3288 [16], it MAY use the media type "application/xml" [6].O'Tuathail & Rose Standards Track [Page 6]
RFC 4227 Using SOAP in BEEP January 2006 In addition, an implementation of the BEEP profile for SOAP MAY support transmission of envelopes using the MTOM [7] / XOP [8] packaging technique, e.g., MSG 1 2 . 283 1436 MIME-Version: 1.0 Content-Type: Multipart/Related;boundary=MIME_boundary; type="application/xop+xml"; start="<mymessage.xml@example.org>"; startinfo="application/soap+xml; action= Content-Description: A SOAP message with my pic and sig in it --MIME_boundary Content-Type: application/xop+xml; charset=UTF-8; type="application/soap+xml; action= Content-Transfer-Encoding: 8bit Content-ID: <mymessage.xml@example.org> <soap:Envelope xmlns:soap='http://www.w3.org/2003/05/soap-envelope' xmlns:xmlmime='http://www.w3.org/2004/11/xmlmime'> <soap:Body> <m:data xmlns:m='http://example.org/stuff'> <m:photo xmlmime:contentType='image/png'><xop:Include xmlns:xop='http://www.w3.org/2004/08/xop/include' href='cid:http://example.org/me.png'/></m:photo> <m:sig xmlmime:contentType='application/pkcs7-signature'><xop:Include xmlns:xop='http://www.w3.org/2004/08/xop/include' href='cid:http://example.org/my.hsh'/></m:sig> </m:data> </soap:Body> </soap:Envelope> --MIME_boundary Content-Type: image/png Content-Transfer-Encoding: binary Content-ID: <http://example.org/me.png> // binary octets for png --MIME_boundary Content-Type: application/pkcs7-signature Content-Transfer-Encoding: binary Content-ID: <http://example.org/my.hsh>O'Tuathail & Rose Standards Track [Page 7]
RFC 4227 Using SOAP in BEEP January 2006 // binary octets for signature --MIME_boundary-- END ConsultSection 4.1 of XOP [8] for guidance on MIME Multipart/Related usage. Because BEEP provides an 8-bit-wide path, a "transformative" Content-Transfer-Encoding (e.g., "base64" or "quoted-printable") should not be used. Note that MIME [9] requires that the value of the "Content-ID" header be globally unique. As stated inSection 4 of XOP [8], XOP may be used with diverse packaging mechanisms. When an implementation of BEEP in SOAP does support MTOM/XOP, it SHOULD support the MIME Multipart/Related XOP Package format, and MAY support others. Additional formats could, in the future, include XOP package formats specific to BEEP (e.g., sending the attachments on a different channel to the SOAP channel, which would avoid searching for the MIME boundary tags and allows lazy delivery of attachments, delivering them only when really needed.)4. SOAP Message Patterns4.1. One-Way Message A one-way message involves sending a message without any response being returned. The BEEP profile for SOAP achieves this using a one-to-many exchange, in which the client sends a "MSG" message containing an envelope, and the server immediately sends back a "NUL" message, before processing the contents of the envelope.4.2. Request-Response Exchange A request/response exchange involves sending a request, which results in a response being returned. The BEEP profile for SOAP achieves this using a one-to-one exchange, in which the client sends a "MSG" message containing an envelope, and the server sends back a "RPY" message containing an envelope.4.3. Request/N-Responses Exchange A request/N-responses exchange involves sending a request, which results in zero or more responses being returned.O'Tuathail & Rose Standards Track [Page 8]
RFC 4227 Using SOAP in BEEP January 2006 The BEEP profile for SOAP achieves this using a one-to-many exchange, in which the client sends a "MSG" message containing an envelope, and the server sends back zero or more "ANS" messages, each containing an envelope, followed by a "NUL" message.4.4. Error Handling The BEEP profile for SOAP does not use the "ERR" message for SOAP faults. When performing one-to-one exchanges, whatever SOAP response (including SOAP faults) generated by the server is always returned in the "RPY" message. When performing one-to-many exchanges, whatever SOAP response (including SOAP faults) generated by the server is always returned in the "ANS" messages. If there is an error with the BEEP message unrelated to the SOAP envelope (e.g., poorly formed MIME message or MIME Content-Type not supported), then the server responds with an ERR message (seeSection7.1 of [1]) with an appropriate reply code (e.g., see Section 8 of [1]).5. SOAP Protocol Binding Framework Conformance5.1. Binding Name This binding is identified by a URI that is exactly the same as the profile URI for BEEP in SOAP (seeSection 2).5.2. Base URI The Base URI for the SOAP envelope is the URI of the resource identified in the bootmsg.5.3. Supported SOAP Message Exchange Patterns An implementation of this binding MUST support the following SOAP Message Exchange Pattern (MEP): o "http://www.w3.org/2003/05/soap/mep/request-response/" (see Section 6.2 of [3])5.4. Supported Features An implementation of this binding MAY support the following feature: "http://www.w3.org/2003/05/soap/features/action/" (see Section 6.5 of [3].)O'Tuathail & Rose Standards Track [Page 9]
RFC 4227 Using SOAP in BEEP January 20065.5. MEP Operation For binding instances conforming to this specification: o A SOAP node instantiated at the BEEP peer that initiates the message exchange may assume the role (i.e., the propertyhttp://www.w3.org/2003/05/soap/bindingFramework/ExchangeContext/Role ) of "RequestingSOAPNode". o A SOAP node instantiated at the other BEEP peer may assume the role (i.e., the propertyhttp://www.w3.org/2003/05/soap/bindingFramework/ExchangeContext/Role) of "RespondingSOAPNode".5.5.1. Behavior of Requesting SOAP Node The overall flow of the behavior of a requesting SOAP node follows a state machine description consistent with Section 6.2 of [3]. In order to avoid deadlock during streaming (see Section 6.2.3 of [3]), the requesting SOAP node MUST be able to process incoming SOAP response information while the SOAP request is still being transmitted.5.5.1.1. Init In the "Init" state, a BEEP message is formulated according toSection 3, transmission of the message begins, and then the state changes to "Requesting".5.5.1.2. Requesting In the "Requesting" state, more of the request message is transmitted and the arrival of the response is awaited. When the beginning of the response message is received, if it is a BEEP ERR message, then the state transitions to "Fail"; otherwise, the state transitions to "Sending+Receiving".5.5.1.3. Sending+Receiving In the "Sending+Receiving" state, the transmission of the request message and receiving of the response message are completed. The response message is assumed to contain a SOAP envelope serialized according to the rules for carrying SOAP messages in the media type given in the Content-Type header field. Once the receipt of the response is completed, the state transitions to "Success".O'Tuathail & Rose Standards Track [Page 10]
RFC 4227 Using SOAP in BEEP January 20065.5.1.4. Success and Fail "Success" and "Fail" are the terminal states for the state machine.5.5.2. Behavior of Responding SOAP Node The overall flow of the behavior of a responding SOAP node follows a state machine description consistent with Section 6.2 of [3]5.5.2.1. Init In the "Init" state, the binding awaits the start of the inbound request. In this state, it may only generate ERR messages (in accordance withSection 4.4).5.5.2.2. Receiving The binding begins to receive the request message and prepares the start of the response, in accordance withSection 3. When ready to transmit the response, the state transitions to "Receiving+Sending".5.5.2.3. Receiving+Sending The binding completes the receiving of the request and sending of the response and then transitions to "Success" state.5.5.2.4. Success and Fail "Success" and "Fail" are the terminal states that indicate completion of the message exchange.6. URL Schemes This memo defines two URL schemes, "soap.beep" and "soap.beeps", which identify the use of SOAP over BEEP over TCP. Note that, at present, a "generic" URL scheme for SOAP is not defined.6.1. The soap.beep URL Scheme The "soap.beep" URL scheme uses the "generic URI" syntax defined in Section 3 of [10], specifically: o the value "soap.beep" is used for the scheme component and o the server-based naming authority defined in Section 3.2.2 of [10] is used for the authority component.O'Tuathail & Rose Standards Track [Page 11]
RFC 4227 Using SOAP in BEEP January 2006 o the path component maps to the "resource" component of the boot message sent during profile initialization (if absent, it defaults to "/"). The values of both the scheme and authority components are case- insensitive. For example, the URL soap.beep://stockquoteserver.example.com/StockQuote might result in the example shown inSection 2.1.6.1.1. Resolving IP/TCP Address Information The "soap.beep" URL scheme indicates the use of the BEEP profile for SOAP running over TCP/IP. If the authority component contains a domain name and a port number, e.g., soap.beep://stockquoteserver.example.com:1026 then the DNS is queried for the A Resource Records corresponding to the domain name, and the port number is used directly. If the authority component contains a domain name and no port number, e.g., soap.beep://stockquoteserver.example.com the Service Record algorithm [11] is used with a service parameter of "soap-beep" and a protocol parameter of "tcp" to determine the IP/TCP addressing information. If no appropriate SRV RRs are found (e.g., for "_soap-beep._tcp.stockquoteserver.example.com"), then the DNS is queried for the A RRs corresponding to the domain name and the port number used is assigned by the IANA for the registration inSection8.4. If the authority component contains an IP address, e.g., soap.beep://192.0.2.0:1026 then the DNS is not queried, and the IP address is used directly. If a port number is present, it is used directly; otherwise, the port number used is assigned by the IANA for the registration inSection8.4.O'Tuathail & Rose Standards Track [Page 12]
RFC 4227 Using SOAP in BEEP January 2006 While the use of literal IPv6 addresses in URLs is discouraged, if a literal IPv6 address is used in a "soap.beep" URL, it must conform to the syntax specified in [12].6.2. The soap.beeps URL Scheme The "soap.beeps" URL scheme is identical, in all ways, to the "soap.beep" URL scheme specified inSection 6.1, with the exception that prior to starting the BEEP profile for SOAP, the BEEP session must be tuned for privacy. In particular, note that both URL schemes use the identical algorithms and parameters for address resolution as specified inSection 6.1.1 (e.g., the same service name for SRV lookups, the same port number for TCP, and so on). There are two ways to perform privacy tuning on a BEEP session, either o a transport security profile may be successfully started or o a user authentication profile that supports transport security may be successfully started. Regardless, upon completion of the negotiation process, a tuning reset occurs in which both BEEP peers issue a new greeting. Consult Section 3 of [1] for an example of how a BEEP peer may choose to issue different greetings based on whether privacy is in use.7. Registration Templates7.1. SOAP Profile Feature Registration Template When a feature for the BEEP profile for SOAP is registered, the following information is supplied: Feature Identification: specify a string that identifies this feature. Unless the feature is registered with the IANA, the feature's identification must start with "x-". Feature Semantics: specify the semantics of the feature. Contact Information: specify the electronic contact information for the author of the feature.8. Initial Registrations8.1. Registration: The SOAP Profile Profile Identification:http://iana.org/beep/soap/VERSIONO'Tuathail & Rose Standards Track [Page 13]
RFC 4227 Using SOAP in BEEP January 2006 Messages exchanged during Channel Creation: bootmsg, bootrpy Messages starting one-to-one exchanges: bootmsg, a SOAP "envelope" Messages in positive replies: bootrpy, a SOAP "envelope" Messages in negative replies: error Messages in one-to-many exchanges: a SOAP "envelope" Message Syntax: a SOAP envelope Message Semantics: corresponds to the relevant SOAP specification, e.g., for SOAP version 1.2, cf. [2]. Contact Information: Eamon O'Tuathail <eamon.otuathail@clipcode.com>, Marshall Rose <mrose@dbc.mtview.ca.us>8.2. Registration: The soap.beep URL Scheme URL scheme name: soap.beep URL scheme syntax: cf.Section 6.1 Character encoding considerations: cf. the "generic URI" syntax defined in Section 3 of [10] Intended usage: identifies a SOAP resource made available using the BEEP profile for SOAP Applications using this scheme: cf. "Intended usage", above Interoperability considerations: n/a Security Considerations: cf.Section 9 Relevant Publications: cf. [2] for SOAP version 1.2 Contact Information: Eamon O'Tuathail <eamon.otuathail@clipcode.com>, Marshall Rose <mrose@dbc.mtview.ca.us> Author/Change controller: the IESG8.3. Registration: The soap.beeps URL Scheme URL scheme name: soap.beeps URL scheme syntax: cf.Section 6.2O'Tuathail & Rose Standards Track [Page 14]
RFC 4227 Using SOAP in BEEP January 2006 Character encoding considerations: cf. the "generic URI" syntax defined in Section 3 of [10] Intended usage: identifies a SOAP resource made available using the BEEP profile for SOAP after the BEEP session has been tuned for privacy Applications using this scheme: cf. "Intended usage", above Interoperability considerations: n/a Security Considerations: cf.Section 9 Relevant Publications: cf. [2] for SOAP version 1.2 Contact Information: Eamon O'Tuathail <eamon.otuathail@clipcode.com>, Marshall Rose <mrose@dbc.mtview.ca.us> Author/Change controller: the IESG8.4. Registration: The System (Well-Known) TCP Port Number for SOAP over BEEP Protocol Number: TCP Message Formats, Types, Opcodes, and Sequences: cf.Section 2.1 Functions: cf. [2] for SOAP version 1.2 Use of Broadcast/Multicast: none Proposed Name: SOAP over BEEP Short name: soap-beep Contact Information: Eamon O'Tuathail <eamon.otuathail@clipcode.com>, Marshall Rose <mrose@dbc.mtview.ca.us>9. Security Considerations Although service provisioning is a policy matter, at a minimum, all implementations MUST provide the following tuning profiles: for authentication:http://iana.org/beep/SASL/DIGEST-MD5 for confidentiality:http://iana.org/beep/TLS (using the TLS_RSA_WITH_AES_EDE_CBC_SHA cipher)O'Tuathail & Rose Standards Track [Page 15]
RFC 4227 Using SOAP in BEEP January 2006 for both:http://iana.org/beep/TLS (using the TLS_RSA_WITH_AES_EDE_CBC_SHA cipher supporting client-side certificates) Furthermore, implementations may choose to offer MIME-based security services providing message integrity and confidentiality, such as OpenPGP [13] or S/MIME [14]. Regardless, consult [1]'sSection 9 for a discussion of BEEP-specific security issues.10. IANA Considerations Previously, the IANA registered "http://iana.org/beep/soap" for use withRFC 3288 [16]. This memo requires that the IANA register a URI-prefix ofhttp://iana.org/beep/soap/VERSION to correspond to the family of profiles definedSection 8.1. The IANA has registered "soap.beep" and "soap.beeps" as URL schemes, as specified inSection 8.2 andSection 8.3, respectively. The IANA has also registered "SOAP over BEEP" as a TCP port number, as specified inSection 8.4. The IANA now broadens these three registries to support the family of BEEP profiles defined by this URI prefix. Finally, the IANA maintains a list of SOAP profile features, cf.Section 7.1. The IESG is responsible for assigning a designated expert to review the specification prior to the IANA making the assignment. Prior to contacting the IESG, developers of SOAP profile features must use the mailing list beepwg@lists.beepcore.org to solicit commentary.11. Changes fromRFC 3288 This memo differs fromRFC 3288 [16] in one substantive way: a URL prefix is defined to support a family of BEEP profiles corresponding to different versions of SOAP. Similarly, the IANA registrations inSection 8.1,Section 8.3, andSection 8.4 are updated to reflect this broadening. Support for W3C MTOM/XOP packaging has been added.O'Tuathail & Rose Standards Track [Page 16]
RFC 4227 Using SOAP in BEEP January 2006 A new section was added to discuss the distributed state machine of the Request-Response MEP. In non-substantive ways, a small number of typographical errors were corrected.12. Acknowledgements The authors gratefully acknowledge the contributions of: Christopher Ferris, Huston Franklin, Alexey Melnikov, Bill Mills, and Roy T. Fielding.13. References13.1. Normative References [1] Rose, M., "The Blocks Extensible Exchange Protocol Core",RFC3080, March 2001. [2] Nielsen, H., Mendelsohn, N., Gudgin, M., Hadley, M., and J. Moreau, "SOAP Version 1.2 Part 1: Messaging Framework", W3C REC REC-soap12-part1-20030624, June 2003. [3] Nielsen, H., Hadley, M., Moreau, J., Mendelsohn, N., and M. Gudgin, "SOAP Version 1.2 Part 2: Adjuncts", W3C REC REC- soap12-part2-20030624, June 2003. [4] Fielding, R., Gettys, J., Mogul, J., Frystyk, H., Masinter, L., Leach, P., and T. Berners-Lee, "Hypertext Transfer Protocol -- HTTP/1.1",RFC 2616, June 1999. [5] Baker, M. and M. Nottingham, "The "application/soap+xml" media type",RFC 3902, September 2004. [6] Murata, M., St. Laurent, S., and D. Kohn, "XML Media Types",RFC 3023, January 2001. [7] Nottingham, M., Mendelsohn, N., Gudgin, M., and H. Ruellan, "SOAP Message Transmission Optimization Mechanism", W3C REC REC-soap12-mtom-20050125, January 2005. [8] Nottingham, M., Mendelsohn, N., Gudgin, M., and H. Ruellan, "XML-binary Optimized Packaging", W3C REC REC-xop10-20050125, January 2005. [9] Freed, N. and N. Borenstein, "Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies",RFC 2045, November 1996.O'Tuathail & Rose Standards Track [Page 17]
RFC 4227 Using SOAP in BEEP January 2006 [10] Berners-Lee, T., Fielding, R., and L. Masinter, "Uniform Resource Identifier (URI): Generic Syntax", STD 66,RFC 3986, January 2005. [11] Gulbrandsen, A., Vixie, P., and L. Esibov, "A DNS RR for specifying the location of services (DNS SRV)",RFC 2782, February 2000. [12] Berners-Lee, T., Fielding, R., and L. Masinter, "Uniform Resource Identifier (URI): Generic Syntax", STD 66,RFC 3986, January 2005. [13] Elkins, M., Del Torto, D., Levien, R., and T. Roessler, "MIME Security with OpenPGP",RFC 3156, August 2001. [14] Ramsdell, B., "Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.1 Message Specification",RFC 3851, July 2004.13.2. Informative References [15] Mitra, N., "SOAP Version 1.2 Part 0: Primer", W3C REC REC- soap12-part0-20030624, June 2003. [16] O'Tuathail, E. and M. Rose, "Using the Simple Object Access Protocol (SOAP) in Blocks Extensible Exchange Protocol (BEEP)",RFC 3288, June 2002. [17] Box, D., Ehnebuske, D., Kakivaya, G., Layman, A., Mendelsohn, N., Nielsen, H., Thatte, S., and D. Winer, "Simple Object Access Protocol (SOAP) 1.1", W3C NOTE NOTE-SOAP-20000508, May 2000. [18] Levinson, E., "The MIME Multipart/Related Content-type",RFC2387, August 1998. [19] Barton, J., Thatte, S., and H. Nielsen, "SOAP Messages with Attachments", W3C NOTE NOTE-SOAP-attachments-20001211, December 2000. [20] Levinson, E., "Content-ID and Message-ID Uniform Resource Locators",RFC 2392, August 1998. [21] Palme, J., Hopmann, A., and N. Shelness, "MIME Encapsulation of Aggregate Documents, such as HTML (MHTML)",RFC 2557, March 1999.O'Tuathail & Rose Standards Track [Page 18]
RFC 4227 Using SOAP in BEEP January 2006Appendix A. SOAP with Attachments (Informative) To provide compatibility withRFC3288 [16], a BEEP profile for SOAP MAY allow envelopes to be transmitted as the root part of a "multipart/related" [18] content, and with subordinate parts referenced using the rules of Section 3 of [19] (i.e., using either the "Content-ID:" [20] or "Content-Location:" [21] headers), e.g., MSG 1 2 . 278 657 Content-Type: multipart/related; boundary="MIME_boundary"; type=application/xml; start="<claim061400a.xml@claiming-it.com>" --MIME_boundary Content-Type: application/xml Content-ID: <claim061400a.xml@claiming-it.com> <?xml version='1.0' ?> <env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope"> .. </env:Header> <env:Body> <theSignedForm href="cid:claim061400a.tiff@claiming-it.com" /> .. </env:Body> </env:Envelope> --MIME_boundary Content-Type: image/tiff Content-Transfer-Encoding: binary Content-ID: <claim061400a.tiff@claiming-it.com> ...binary TIFF image... --MIME_boundary-- END Consistent with Section 2 of [19], it is strongly recommended that the multipart contain a "start" parameter, and that the root part contain a "Content-ID:" header. However, because BEEP provides an 8bit-wide path, a "transformative" Content-Transfer-Encoding (e.g., "base64" or "quoted-printable") should not be used. Further note that MIME [9] requires that the value of the "Content-ID" header be globally unique.O'Tuathail & Rose Standards Track [Page 19]
RFC 4227 Using SOAP in BEEP January 2006Authors' Addresses Eamon O'Tuathail Clipcode.com 24 Thomastown Road Dun Laoghaire Dublin IE Phone: +353 1 2350 424 EMail: eamon.otuathail@clipcode.com URI:http://www.clipcode.com/ Marshall T. Rose Dover Beach Consulting, Inc. POB 255268 Sacramento, CA 95865-5268 US Phone: +1 916 483 8878 EMail: mrose@dbc.mtview.ca.usO'Tuathail & Rose Standards Track [Page 20]
RFC 4227 Using SOAP in BEEP January 2006Full Copyright Statement Copyright (C) The Internet Society (2006). This document is subject to the rights, licenses and restrictions contained inBCP 78, and except as set forth therein, the authors retain all their rights. This document and the information contained herein are provided on an "AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY AND THE INTERNET ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.Intellectual Property The IETF takes no position regarding the validity or scope of any Intellectual Property Rights or other rights that might be claimed to pertain to the implementation or use of the technology described in this document or the extent to which any license under such rights might or might not be available; nor does it represent that it has made any independent effort to identify any such rights. Information on the procedures with respect to rights in RFC documents can be found inBCP 78 andBCP 79. Copies of IPR disclosures made to the IETF Secretariat and any assurances of licenses to be made available, or the result of an attempt made to obtain a general license or permission for the use of such proprietary rights by implementers or users of this specification can be obtained from the IETF on-line IPR repository athttp://www.ietf.org/ipr. The IETF invites any interested party to bring to its attention any copyrights, patents or patent applications, or other proprietary rights that may cover technology that may be required to implement this standard. Please address the information to the IETF at ietf-ipr@ietf.org.Acknowledgement Funding for the RFC Editor function is provided by the IETF Administrative Support Activity (IASA).O'Tuathail & Rose Standards Track [Page 21]
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