[tsvwg] I-D Action: draft-ietf-tsvwg-ecn-l4s-id-17.txt
internet-drafts@ietf.org Fri, 21 May 2021 09:09 UTC
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Subject: [tsvwg] I-D Action: draft-ietf-tsvwg-ecn-l4s-id-17.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 WG of the IETF. Title : Explicit Congestion Notification (ECN) Protocol for Very Low Queuing Delay (L4S) Authors : Koen De Schepper Bob Briscoe Filename : draft-ietf-tsvwg-ecn-l4s-id-17.txt Pages : 57 Date : 2021-05-21 Abstract: This specification defines the protocol to be used for a new network service called low latency, low loss and scalable throughput (L4S). L4S uses an Explicit Congestion Notification (ECN) scheme at the IP layer that is similar to the original (or 'Classic') ECN approach, except as specified within. L4S uses 'scalable' congestion control, which induces much more frequent control signals from the network and it responds to them with much more fine-grained adjustments, so that very low (typically sub-millisecond on average) and consistently low queuing delay becomes possible for L4S traffic without compromising link utilization. Thus even capacity-seeking (TCP-like) traffic can have high bandwidth and very low delay at the same time, even during periods of high traffic load. The L4S identifier defined in this document distinguishes L4S from 'Classic' (e.g. TCP-Reno-friendly) traffic. It gives an incremental migration path so that suitably modified network bottlenecks can distinguish and isolate existing traffic that still follows the Classic behaviour, to prevent it degrading the low queuing delay and low loss of L4S traffic. This specification defines the rules that L4S transports and network elements need to follow with the intention that L4S flows neither harm each other's performance nor that of Classic traffic. Examples of new active queue management (AQM) marking algorithms and examples of new transports (whether TCP-like or real-time) are specified separately. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-tsvwg-ecn-l4s-id/ There is also an htmlized version available at: https://datatracker.ietf.org/doc/html/draft-ietf-tsvwg-ecn-l4s-id-17 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-tsvwg-ecn-l4s-id-17 Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/
- [tsvwg] I-D Action: draft-ietf-tsvwg-ecn-l4s-id-1… internet-drafts
- [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-id-17 Bob Briscoe
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Sebastian Moeller
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Black, David
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Bob Briscoe
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Jonathan Morton
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Bob Briscoe
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Pete Heist
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Sebastian Moeller
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Jonathan Morton
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Bob Briscoe
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Black, David
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Tilmans, Olivier (Nokia - BE/Antwerp)
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Bob Briscoe
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Black, David
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… De Schepper, Koen (Nokia - BE/Antwerp)
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Bob Briscoe
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Pete Heist
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Sebastian Moeller
- Re: [tsvwg] New rev of draft-ietf-tsvwg-ecn-l4s-i… Black, David