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-12.txt
Pages : 22
Date : 2015-08-31
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
operation mode called Primary Path Switchover that will be beneficial
in certain 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-12
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-tsvwg-sctp-failover-12
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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