Compression of SIP

As textual protocols, some might think that SIP and SDP are too verbose, hence RFC 3486 describes how SIP and SDP can be compressed. RFC 3485 describes a static dictionary that can be used with Signaling Compression (SigComp) to achieve even higher efficiency.

Slide Notes

G. Camarillo, “Compressing the Session Initiation Protocol (SIP)”, IETF, Network Working Group, RFC 3486, February 2003, Updated by RFC 5049, http://datatracker.ietf.org/doc/rfc3486/ Links to an external site.

M. Garcia-Martin, C. Bormann, J. Ott, R. Price, and A. B. Roach, “The Session Initiation Protocol (SIP) and Session Description Protocol (SDP) Static Dictionary for Signaling Compression (SigComp)”, IETF, Network Working Group, RFC 3485, February 2003, Updated by RFC 4896, http://datatracker.ietf.org/doc/rfc3485/ Links to an external site.

Transcript

[slide169] We can also compress the SIP. Lots of people thought it was very wordy, and in particular 3GPP does compression of the SIP headers.