RFC 7339

Session Initiation Protocol (SIP) Overload Control, September 2014

Canonical URL:
https://www.rfc-editor.org/rfc/rfc7339.txt
File formats:
Plain TextPDF
Status:
PROPOSED STANDARD
Authors:
V. Gurbani, Ed.
V. Hilt
H. Schulzrinne
Stream:
IETF
Source:
soc (rai)

Cite this RFC: TXT  |  XML

DOI:  http://dx.doi.org/10.17487/RFC7339

Discuss this RFC: Send questions or comments to sip-overload@ietf.org

Other actions: Find Errata (if any)  |  Submit Errata  |  Find IPR Disclosures from the IETF


Abstract

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.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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