A new Request for Comments is now available in online RFC libraries.
RFC 7339
Title: Session Initiation Protocol (SIP) Overload Control
Author: V. Gurbani, Ed., V. Hilt, H. Schulzrinne
Status: Standards Track
Stream: IETF
Date: September 2014
Mailbox: vkg@bell-labs.com,
volker.hilt@bell-labs.com,
hgs@cs.columbia.edu
Pages: 38
Characters: 89898
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-soc-overload-control-15.txt
URL: https://www.rfc-editor.org/rfc/rfc7339.txt
Overload occurs in Session Initiation Protocol (SIP) networks when
SIP servers have insufficient resources to handle all the SIP
messages they receive. Even though the SIP protocol provides a
limited overload control mechanism through its 503 (Service
Unavailable) response code, SIP servers are still vulnerable to
overload. This document defines the behavior of SIP servers involved
in overload control and also specifies a loss-based overload scheme
for SIP.
This document is a product of the SIP Overload Control 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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