[tsvwg] I-D Action: draft-ietf-tsvwg-careful-resume-00.txt
internet-drafts@ietf.org Sat, 10 June 2023 13:03 UTC
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Subject: [tsvwg] I-D Action: draft-ietf-tsvwg-careful-resume-00.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This Internet-Draft is a work item of the Transport Area Working Group (TSVWG) WG of the IETF. Title : Careful convergence of congestion control from retained state Authors : Nicolas Kuhn Emile Stephan Godred Fairhurst Christian Huitema Filename : draft-ietf-tsvwg-careful-resume-00.txt Pages : 18 Date : 2023-06-10 Abstract: This document specifies careful convergence of Congestion Control (CC), providing a cautious method that enables fast startup for a wide range of connections or reconnections. The method reuses a set of computed CC parameters that are based on the previously observed path characteristics between the same pair of transport endpoints, such as the bottleneck bandwidth, available capacity, or the RTT. These parameters are stored, allowing them to be later used to modify the CC behavior of a subsequent connection. The document also discusses assumptions and defines requirements around how a sender utilizes these parameters to provide opportunities for a connection to more quickly get up to speed (i.e. utilize the available capacity). It discusses how these changes impact the capacity at a shared network bottleneck and the safe response that is needed after any indication that the new rate is inappropriate. The method is expected to be appropriate to IETF transports. The IETF datatracker status page for this Internet-Draft is: https://datatracker.ietf.org/doc/draft-ietf-tsvwg-careful-resume/ There is also an htmlized version available at: https://datatracker.ietf.org/doc/html/draft-ietf-tsvwg-careful-resume-00 Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts
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