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+Network Working Group T. Taylor
+Request for Comments: 5125 Nortel
+Obsoletes: 3525 February 2008
+Category: Informational
+
+
+ Reclassification of RFC 3525 to Historic
+
+Status of This Memo
+
+ This memo provides information for the Internet community. It does
+ not specify an Internet standard of any kind. Distribution of this
+ memo is unlimited.
+
+Abstract
+
+ This document reclassifies RFC 3525, Gateway Control Protocol Version
+ 1, to Historic Status. This memo also obsoletes RFC 3525.
+
+1. Introduction
+
+ The purpose of this document is to reclassify RFC 3525, Gateway
+ Control Protocol Version 1, to Historic Status.
+
+2. Reclassification of RFC 3525 to Historic
+
+ The protocol defined by RFC 3525 [RFC3525] was developed jointly by
+ the IETF Megaco Working Group and ITU-T Study Group 16. The ITU-T
+ published ITU-T Recommendation H.248.1 (originally H.248) with the
+ same contents as RFC 3525. Since that initial development, the ITU-T
+ has taken ownership of the protocol and has continued to work on it.
+ The protocol as originally defined in RFC 3525 underwent a series of
+ corrections and clarifications. H.248.1 version 1 [h248v1] was
+ republished in March, 2002, incorporating all changes agreed upon up
+ to that date. Since then, further corrections have been agreed upon.
+ The accumulated set of corrections to H.248.1 (03/2002) is available
+ in the Implementors' Guide for Recommendation H.248.1 Version 1 (03/
+ 2002) ("Media Gateway Control Protocol") [impgdv1], which is
+ available at no charge on the ITU-T web site.
+
+ RFC 3525 has been rendered even more obsolete as a specification of
+ the Megaco/H.248 protocol by the publication of further versions of
+ ITU-T Recommendation H.248.1. Version 2 [h248v2] was published in
+ May, 2002, and is the version most widely deployed at present. It is
+ also the version that other standards bodies such as 3GPP are
+ currently using as the basis for their own profile specifications.
+ Version 3 [h248v3] was published more recently, in September, 2005.
+
+
+
+
+Taylor Informational [Page 1]
+
+RFC 5125 RFC 3525 to Historic February 2008
+
+
+ In short, RFC 3525 may serve as an introduction to the Megaco/H.248
+ protocol, but it is misleading as a description of the protocol as
+ currently standardized or deployed. It is appropriate to reclassify
+ RFC 3525 to Historic status, as described in RFC 2026 [RFC2026].
+
+3. Security Considerations
+
+ Reclassifying RFC 3525 has no security implications.
+
+4. IANA Considerations
+
+ This document does not require any new actions by the IANA. The IANA
+ registries established by RFC 3525 and extended by successive
+ versions of ITU-T H.248.1 remain in force, along with the requirement
+ for expert review by an IESG-designated expert.
+
+5. References
+
+5.1. Normative References
+
+ [RFC2026] Bradner, S., "The Internet Standards Process -- Revision
+ 3", BCP 9, RFC 2026, October 1996.
+
+ [RFC3525] Groves, C., Ed., Pantaleo, M., Ed., Anderson, T., Ed., and
+ T. Taylor, Ed., "Gateway Control Protocol Version 1", RFC
+ 3525, June 2003.
+
+5.2. Informative References
+
+ [h248v1] International Telecommunication Union, "Gateway control
+ protocol: Version 1", ITU-T Recommendation H.248.1, March
+ 2002.
+
+ [h248v2] International Telecommunication Union, "Gateway control
+ protocol: Version 2", ITU-T Recommendation H.248.1, May
+ 2002.
+
+ [h248v3] International Telecommunication Union, "Gateway control
+ protocol: Version 3", ITU-T Recommendation H.248.1,
+ September 2005.
+
+ [impgdv1] International Telecommunication Union, "Implementors'
+ Guide for Recommendation H.248.1 Version 1 (03/2002)
+ ("Media Gateway Control Protocol")", ITU-T Recommendation
+ H.248.1, April 2006.
+
+
+
+
+
+
+Taylor Informational [Page 2]
+
+RFC 5125 RFC 3525 to Historic February 2008
+
+
+Author's Address
+
+ Tom Taylor
+ Nortel
+ 1852 Lorraine Ave
+ Ottawa, Ontario K1H 6Z8
+ Canada
+
+ EMail: taylor@nortel.com
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+Taylor Informational [Page 3]
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+RFC 5125 RFC 3525 to Historic February 2008
+
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+Full Copyright Statement
+
+ Copyright (C) The IETF Trust (2008).
+
+ This document is subject to the rights, licenses and restrictions
+ contained in BCP 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, THE IETF TRUST 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
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+ made any independent effort to identify any such rights. Information
+ on the procedures with respect to rights in RFC documents can be
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+ http://www.ietf.org/ipr.
+
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+Taylor Informational [Page 4]
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