March 2006
Intermediate to advanced
464 pages
12h 16m
English
book
The IMS: IP Multimedia Concepts And Services, Second Edition
by Miikka Poikselka, Georg Mayer, Hisham Khartabil, Aki Niemi
Content preview from The IMS: IP Multimedia Concepts And Services, Second Edition
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Chapter 23. Signalling Compression
Signalling Compression (SigComp) is a mechanism that application protocols use to compress messages before sending them across the network. It is presented to applications as a layer between application protocols and transport protocols. SigComp uses a Universal Decompressor Virtual Machine (UDVM) to decompress messages. Figure 8.1 demonstrates SigComp's location in the protocol stack. SigComp is defined in [RFC3320].
A message that is compressed using SigComp is referred to as a SigComp message.
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