Signaling Compression
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Signaling compression, or SigComp, is a compression method designed especially for compression of text-based communication data as SIP or RTSP. SigComp had originally been defined in RFC 3320 and was later updated with RFC 4896. A Negative Acknowledgement Mechanism for Signaling Compression is defined in RFC 4077. The SigComp work is performed in the ROHC working group in the transport area of the IETF.
[edit] General architecture
[edit] Related Standards Documents
- RFC 3320 - Signaling Compression (SigComp)
- RFC 3321 - Signaling Compression (SigComp) - Extended Operations
- RFC 3485 - The Session Initiation Protocol (SIP) and Session Description Protocol (SDP) Static Dictionary for Signaling Compression (SigComp)
- RFC 3486 - Compressing the Session Initiation Protocol (SIP)
- RFC 4077 - A Negative Acknowledgement Mechanism for Signaling Compression
- RFC 4464 - Signaling Compression (SigComp) Users' Guide
- RFC 4465 - Signaling Compression (SigComp) Torture Tests
- RFC 4896 - Signaling Compression (SigComp) Corrections and Clarifications
- RFC 5049 - Applying Signaling Compression (SigComp) to the Session Initiation Protocol (SIP)
- RFC 5112 - The Presence-Specific Static Dictionary for Signaling Compression (Sigcomp)
- 3GPP TR23.979 Annex C - Required SigComp performance
[edit] External links
- libSigComp - An open source API for SIP/IMS/RCS applications released under the LGPL
- Open SigComp - An open source library for SigComp by Estacado Systems released under version 2 of the GPL
