RFC 7829 on SCTP-PF: A Quick Failover Algorithm for the Stream Control Transmission Protocol
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Subject: RFC 7829 on SCTP-PF: A Quick Failover Algorithm for the Stream Control Transmission Protocol
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A new Request for Comments is now available in online RFC libraries.
RFC 7829
Title: SCTP-PF: A Quick Failover Algorithm
for the Stream Control Transmission Protocol
Author: Y. Nishida, P. Natarajan,
A. Caro, P. Amer, K. Nielsen
Status: Standards Track
Stream: IETF
Date: April 2016
Mailbox: nishida@wide.ad.jp,
prenatar@cisco.com,
acaro@bbn.com,
amer@udel.edu,
karen.nielsen@tieto.com
Pages: 23
Characters: 53922
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-tsvwg-sctp-failover-16.txt
URL: https://www.rfc-editor.org/info/rfc7829
DOI: http://dx.doi.org/10.17487/RFC7829
The Stream Control Transmission Protocol (SCTP) supports multihoming.
However, when the failover operation specified in RFC 4960 is
followed, there can be significant delay and performance degradation
in the data transfer path failover. This document specifies a quick
failover algorithm and introduces the SCTP Potentially Failed
(SCTP-PF) destination state in SCTP Path Management.
This document also specifies a dormant state operation of SCTP that
is required to be followed by an SCTP-PF implementation, but it may
equally well be applied by a standard SCTP implementation, as
described in RFC 4960.
Additionally, this 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 SCTP implementation and an SCTP-PF implementation.
The procedures defined in the document require only minimal
modifications to the specification in RFC 4960. The procedures are
sender-side only and do not impact the SCTP receiver.
This document is a product of the Transport Area Working Group Working Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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