Re: [tsvwg] I-D Action: draft-ietf-tsvwg-datagram-plpmtud-21.txt
Magnus Westerlund <magnus.westerlund@ericsson.com> Tue, 12 May 2020 08:52 UTC
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From: Magnus Westerlund <magnus.westerlund@ericsson.com>
To: "tsvwg@ietf.org" <tsvwg@ietf.org>
CC: "draft-ietf-tsvwg-datagram-plpmtud.all@ietf.org" <draft-ietf-tsvwg-datagram-plpmtud.all@ietf.org>
Thread-Topic: [tsvwg] I-D Action: draft-ietf-tsvwg-datagram-plpmtud-21.txt
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Date: Tue, 12 May 2020 08:52:14 +0000
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Subject: Re: [tsvwg] I-D Action: draft-ietf-tsvwg-datagram-plpmtud-21.txt
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TSVWG, This is your last chance to comment on any of the changes that has been introduced as a result of the IESG evaluation. I intended to approve this document on Friday after 12:00 (CEST). So if you have any issues with the changes that has been introduced please comment. The diff across from -19 to -21 is the following: https://www.ietf.org/rfcdiff?url1=draft-ietf-tsvwg-datagram-plpmtud-19&url2=draft-ietf-tsvwg-datagram-plpmtud-21 Cheers Magnus Westerlund > -----Original Message----- > From: tsvwg <tsvwg-bounces@ietf.org> On Behalf Of internet- > drafts@ietf.org > Sent: den 12 maj 2020 10:41 > To: i-d-announce@ietf.org > Cc: tsvwg@ietf.org > Subject: [tsvwg] I-D Action: draft-ietf-tsvwg-datagram-plpmtud-21.txt > > > 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 WG of the > IETF. > > Title : Packetization Layer Path MTU Discovery for > Datagram > Transports > Authors : Godred Fairhurst > Tom Jones > Michael Tuexen > Irene Ruengeler > Timo Voelker > Filename : draft-ietf-tsvwg-datagram-plpmtud-21.txt > Pages : 48 > Date : 2020-05-12 > > Abstract: > This document describes a robust method for Path MTU Discovery > (PMTUD) for datagram Packetization Layers (PLs). It describes an > extension to RFC 1191 and RFC 8201, which specifies ICMP-based Path > MTU Discovery for IPv4 and IPv6. The method allows a PL, or a > datagram application that uses a PL, to discover whether a network > path can support the current size of datagram. This can be used to > detect and reduce the message size when a sender encounters a packet > black hole (where packets are discarded). The method can probe a > network path with progressively larger packets to discover whether > the maximum packet size can be increased. This allows a sender to > determine an appropriate packet size, providing functionality for > datagram transports that is equivalent to the Packetization Layer > PMTUD specification for TCP, specified in RFC 4821. > > This document updates RFC 4821 to specify the PLPMTUD method for > datagram PLs. It also updates RFC 8085 to refer to the method > specified in this document instead of the method in RFC 4821 for use > with UDP datagrams. Section 7.3 of RFC 4960 recommends an endpoint > apply the techniques in RFC 4821 on a per-destination-address basis. > RFC 4960, RFC 6951, and RFC 8261 are updated to recommend that SCTP, > SCTP encapsulated in UDP and SCTP encapsulated in DTLS use the method > specified in this document instead of the method in RFC 4821. > > The document also provides implementation notes for incorporating > Datagram PMTUD into IETF datagram transports or applications that use > datagram transports. > > When published, this specification updates RFC 4960, RFC 4821, RFC > 8085 and RFC 8261. > > > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-tsvwg-datagram-plpmtud/ > > There are also htmlized versions available at: > https://tools.ietf.org/html/draft-ietf-tsvwg-datagram-plpmtud-21 > https://datatracker.ietf.org/doc/html/draft-ietf-tsvwg-datagram-plpmtud- > 21 > > A diff from the previous version is available at: > https://www.ietf.org/rfcdiff?url2=draft-ietf-tsvwg-datagram-plpmtud-21 > > > 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/ >
- [tsvwg] I-D Action: draft-ietf-tsvwg-datagram-plp… internet-drafts
- Re: [tsvwg] I-D Action: draft-ietf-tsvwg-datagram… Magnus Westerlund