Protocol Action: 'Multicast Negative-Acknowledgment (NACK) Building Blocks' to Proposed Standard
The IESG <iesg-secretary@ietf.org> Tue, 23 September 2008 14:09 UTC
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From: The IESG <iesg-secretary@ietf.org>
To: IETF-Announce <ietf-announce@ietf.org>
Subject: Protocol Action: 'Multicast Negative-Acknowledgment (NACK) Building Blocks' to Proposed Standard
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Date: Tue, 23 Sep 2008 07:09:13 -0700
Cc: rmt chair <rmt-chairs@tools.ietf.org>, Internet Architecture Board <iab@iab.org>, rmt mailing list <rmt@ietf.org>, RFC Editor <rfc-editor@rfc-editor.org>
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The IESG has approved the following document: - 'Multicast Negative-Acknowledgment (NACK) Building Blocks ' <draft-ietf-rmt-bb-norm-revised-07.txt> as a Proposed Standard This document is the product of the Reliable Multicast Transport Working Group. The IESG contact persons are Magnus Westerlund and Lars Eggert. A URL of this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-rmt-bb-norm-revised-07.txt Technical Summary This document is an RMT Building Block that specifies data and procedures useful for building a reliable multicast transport protocol based on negative-acknowledgment (NACK) feedback. draft-ietf-rmt-bb-norm-revised specifically defines the following main components for use in protocol instantiations: 1) Multicast sender transmission strategies 2) NACK repair process with timer-based feedback suppression 3) Round-trip timing for adapting NACK and other timers draft-ietf-rmt-bb-norm-revised also includes context information defining the intended usage and applicability of the NACK building Block, in compliance with RFC 3269. Another RMT WG document, draft-ietf-rmt-pi-norm-revised, uses the specifications in this document to fully-define a NACK based reliable multicast transport protocol. Working Group Summary There is consensus in the WG to publish this documents. Document Quality The NORM Protocol Specification (RFC3940 and revised draft) is based upon the techniques described in this "building block" document. A public domain, open source implementation of the NORM protocol is available for use from the U.S. Naval Research Laboratory. This implementation has been widely used in a number of applications, including military and commercial systems. The INRIA has an implementation in progress. The content of this document was already reviewed and approved for publication as experimental RFC 3941. This document contains minor technical modifications. Personnel Lorenzo Vicisano is the Document Shepherd. Magnus Westerlund is the Responsible Area Director. _______________________________________________ IETF-Announce mailing list IETF-Announce@ietf.org https://www.ietf.org/mailman/listinfo/ietf-announce