[tsvwg] I-D Action: draft-ietf-tsvwg-le-phb-09.txt
internet-drafts@ietf.org Fri, 15 February 2019 12:39 UTC
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Subject: [tsvwg] I-D Action: draft-ietf-tsvwg-le-phb-09.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 : A Lower Effort Per-Hop Behavior (LE PHB) Author : Roland Bless Filename : draft-ietf-tsvwg-le-phb-09.txt Pages : 21 Date : 2019-02-15 Abstract: This document specifies properties and characteristics of a Lower Effort (LE) per-hop behavior (PHB). The primary objective of this LE PHB is to protect best-effort (BE) traffic (packets forwarded with the default PHB) from LE traffic in congestion situations, i.e., when resources become scarce, best-effort traffic has precedence over LE traffic and may preempt it. Alternatively, packets forwarded by the LE PHB can be associated with a scavenger service class, i.e., they scavenge otherwise unused resources only. There are numerous uses for this PHB, e.g., for background traffic of low precedence, such as bulk data transfers with low priority in time, non time-critical backups, larger software updates, web search engines while gathering information from web servers and so on. This document recommends a standard DSCP value for the LE PHB. This specification obsoletes RFC 3662 and updates the DSCP recommended in RFC 4594 and RFC 8325 to use the DSCP assigned in this specification. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-tsvwg-le-phb/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-tsvwg-le-phb-09 https://datatracker.ietf.org/doc/html/draft-ietf-tsvwg-le-phb-09 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-tsvwg-le-phb-09 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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