[tsvwg] I-D Action: draft-ietf-tsvwg-natsupp-07.txt
internet-drafts@ietf.org Wed, 25 February 2015 21:00 UTC
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Subject: [tsvwg] I-D Action: draft-ietf-tsvwg-natsupp-07.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Transport Area Working Group Working Group of the IETF. Title : Stream Control Transmission Protocol (SCTP) Network Address Translation Support Authors : Randall R. Stewart Michael Tuexen Irene Ruengeler Filename : draft-ietf-tsvwg-natsupp-07.txt Pages : 42 Date : 2015-02-25 Abstract: Stream Control Transmission Protocol [RFC4960] provides a reliable communications channel between two end-hosts in many ways similar to TCP [RFC0793]. With the widespread deployment of Network Address Translators (NAT), specialized code has been added to NAT for TCP that allows multiple hosts to reside behind a NAT and yet use only a single globally unique IPv4 address, even when two hosts (behind a NAT) choose the same port numbers for their connection. This additional code is sometimes classified as Network Address and Port Translation (NAPT). To date, specialized code for SCTP has not yet been added to most NATs so that only pure NAT is available. The end result of this is that only one SCTP capable host can be behind a NAT. This document describes the protocol extensions required for the SCTP endpoints to help NATs provide similar features of NAPT in the single-point and multi-point traversal scenario. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-tsvwg-natsupp/ There's also a htmlized version available at: http://tools.ietf.org/html/draft-ietf-tsvwg-natsupp-07 A diff from the previous version is available at: http://www.ietf.org/rfcdiff?url2=draft-ietf-tsvwg-natsupp-07 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/
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