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 : SCTP-PF: Quick Failover Algorithm in SCTP
Authors : Yoshifumi Nishida
Preethi Natarajan
Armando Caro
Paul D. Amer
Karen E. E. Nielsen
Filename : draft-ietf-tsvwg-sctp-failover-11.txt
Pages : 21
Date : 2015-07-19
Abstract:
SCTP supports multi-homing. However, when the failover operation
specified in RFC4960 is followed, there can be significant delay and
performance degradation in the data transfer path failover. To
overcome this problem this document specifies a quick failover
algorithm (SCTP-PF) based on the introduction of a Potentially Failed
(PF) state in SCTP Path Management.
The document also specifies a dormant state operation of SCTP. This
dormant state operation is required to be followed by an SCTP-PF
implementation, but it may equally well be applied by a standard
RFC4960 SCTP implementation.
Additionally, the document introduces an alternative switchback mode
called Permanent Failover that will be beneficial in some situations.
This mode of operation applies to both a standard RFC4960 SCTP
implementation as well as to a SCTP-PF implementation.
The procedures defined in the document require only minimal
modifications to the RFC4960 specification. The procedures are
sender-side only and do not impact the SCTP receiver.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-tsvwg-sctp-failover/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-tsvwg-sctp-failover-11
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-tsvwg-sctp-failover-11
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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