RFC3095 - Page 13 - RObust Header Compression (ROHC): Framework and four profiles: RTP, UDP, ESP, and uncompressed

RFC3095 - Page 13

Title: RObust Header Compression (ROHC): Framework and four profiles: RTP, UDP, ESP, and uncompressed
Author: C. Bormann, C. Burmeister, M. Degermark, H. Fukushima, H. Hannu, L-E. Jonsson, R. Hakenberg, T. Koren, K. Le, Z. Liu, A. Martensson, A. Miyazaki, K. Svanbro, T. Wiebke, T. Yoshimura, H. Zheng
Date: July 1, 2005

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RFC 3095               Robust Header Compression               July 2001


2.1.  Acronyms

   This section lists most acronyms used for reference.

   AH     Authentication Header.
   CID    Context Identifier.
   CRC    Cyclic Redundancy Check.  Error detection mechanism.
   CRTP   Compressed RTP.  RFC 2508.
   CTCP   Compressed TCP.  Also called VJ header compression.  RFC 1144.
   ESP    Encapsulating Security Payload.
   FC     Full Context state (decompressor).
   FO     First Order state (compressor).
   GRE    Generic Routing Encapsulation.  RFC 2784, RFC 2890.
   HC     Header Compression.
   IPHC   IP Header Compression.  RFC 2507.
   IPX    Flag in Extension 2.
   IR     Initiation and Refresh state (compressor).  Also IR packet.
   IR-DYN IR-DYN packet.
   LSB    Least Significant Bits.
   MRRU   Maximum Reconstructed Reception Unit.
   MTU    Maximum Transmission Unit.
   MSB    Most Significant Bits.
   NBO    Flag indicating whether the IP-ID is in Network Byte Order.
   NC     No Context state (decompressor).
   O-mode Bidirectional Optimistic mode.
   PPP    Point-to-Point Protocol.
   R-mode Bidirectional Reliable mode.
   RND    Flag indicating whether the IP-ID behaves randomly.
   ROHC   RObust Header Compression.
   RTCP   Real-Time Control Protocol.  See RTP.
   RTP    Real-Time Protocol.  RFC 1889.
   RTT    Round Trip Time (see section 2).
   SC     Static Context state (decompressor).
   SN     (compressed) Sequence Number.  Usually RTP Sequence Number.
   SO     Second Order state (compressor).
   SPI    Security Parameters Index.
   SSRC   Sending source.  Field in RTP header.
   CSRC   Contributing source.  Optional list of CSRCs in RTP header.
   TC     Traffic Class.  Octet in IPv6 header.  See also TOS.
   TOS    Type Of Service.  Octet in IPv4 header.  See also TC.
   TS     (compressed) RTP Timestamp.
   U-mode Unidirectional mode.
   W-LSB  Window based LSB encoding.  See section 4.5.2.








Bormann, et al.             Standards Track                    [Page 13]

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