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Internet Engineering Task Force (IETF)                          J. ArkkoRequest for Comments: 5871                                      EricssonUpdates:2460                                                 S. BradnerCategory: Standards Track                             Harvard UniversityISSN: 2070-1721                                                 May 2010IANA Allocation Guidelines for the IPv6 Routing HeaderAbstract   This document specifies the IANA guidelines for allocating new values   for the Routing Type field in the IPv6 Routing Header.Status of This Memo   This is an Internet Standards Track document.   This document is a product of the Internet Engineering Task Force   (IETF).  It represents the consensus of the IETF community.  It has   received public review and has been approved for publication by the   Internet Engineering Steering Group (IESG).  Further information on   Internet Standards is available inSection 2 of RFC 5741.   Information about the current status of this document, any errata,   and how to provide feedback on it may be obtained athttp://www.rfc-editor.org/info/rfc5871.Copyright Notice   Copyright (c) 2010 IETF Trust and the persons identified as the   document authors.  All rights reserved.   This document is subject toBCP 78 and the IETF Trust's Legal   Provisions Relating to IETF Documents   (http://trustee.ietf.org/license-info) in effect on the date of   publication of this document.  Please review these documents   carefully, as they describe your rights and restrictions with respect   to this document.  Code Components extracted from this document must   include Simplified BSD License text as described in Section 4.e of   the Trust Legal Provisions and are provided without warranty as   described in the Simplified BSD License.Arkko & Bradner              Standards Track                    [Page 1]

RFC 5871                   IPv6 RH IANA Rules                   May 20101.  Introduction   This document specifies the IANA guidelines [RFC5226] for allocating   new values for the Routing Type field in the IPv6 Routing Header   [RFC2460].  Previously, no IANA guidance existed for such   allocations.2.  IANA Considerations   New Routing Type values are allocated through IETF Review or IESG   Approval [RFC5226].   Note that two experimental values (253 and 254) are already available   for use [RFC4727].3.  Security Considerations   This specification does not change the security properties of the   Routing Header.  However, past experience shows that it is easy to   design routing headers that have significant problems [RFC5095].4.  References4.1.  Normative References   [RFC2460]  Deering, S. and R. Hinden, "Internet Protocol, Version 6              (IPv6) Specification",RFC 2460, December 1998.   [RFC5226]  Narten, T. and H. Alvestrand, "Guidelines for Writing an              IANA Considerations Section in RFCs",BCP 26,RFC 5226,              May 2008.4.2.  Informative References   [RFC4727]  Fenner, B., "Experimental Values In IPv4, IPv6, ICMPv4,              ICMPv6, UDP, and TCP Headers",RFC 4727, November 2006.   [RFC5095]  Abley, J., Savola, P., and G. Neville-Neil, "Deprecation              of Type 0 Routing Headers in IPv6",RFC 5095,              December 2007.Arkko & Bradner              Standards Track                    [Page 2]

RFC 5871                   IPv6 RH IANA Rules                   May 2010Appendix A.  Changes fromRFC 2460   This document specifies only the IANA rules associated with the   Routing Type field.Authors' Addresses   Jari Arkko   Ericsson   Jorvas  02420   Finland   EMail: jari.arkko@piuha.net   Scott Bradner   Harvard University   Cambridge, MA  02138   US   Phone: +1 617 495 3864   EMail: sob@harvard.eduArkko & Bradner              Standards Track                    [Page 3]