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Fault-tolerant SIP-based call control system

Fault-tolerant SIP-based call control system

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© IEE
Published

The session initiation protocol (SIP) will control multimedia sessions within the 3GPP IMS. The sessions have to be highly reliable. A fault-tolerant call control system based on a novel state-sharing design is proposed and evaluated through testbed experiments. The results show that this solution significantly improves the system reliability.

Inspec keywords: performance evaluation; telecommunication control; protocols; wide area networks; computer network reliability; redundancy; multimedia communication; fault tolerance

Other keywords: 3GPP IMS; system reliability improvement; multimedia sessions; state-sharing design; WAN environment; session initiation protocol; fault-tolerant call control system; SIP-based call control system; testbed experiments

Subjects: Computer communications; Multimedia; Other computer networks; Protocols; Multimedia communications; Protocols; Maintenance and reliability; Computer network performance; Reliability

References

    1. 1)
      • A. Helal , A. Heddaya , B. Bhargava . (1996) Replication techniques in distributed systems.
    2. 2)
      • `IP multimedia (IM) subsystem—stage 2', 3GPP TS 23.228, Technical Specification, June 2001.
    3. 3)
      • Bozinovski, M., Gavrilovska, L., Prasad, R.: `Performance evaluation of a SIP-based state-sharing mechanism', IEEE VTS 56th Vehicular Technology Conf. (VTC) 2002, September 2002, Vancouver, BC, Canada.
    4. 4)
      • Rosenberg, J.: `SIP: session initiation protocol', RFC 3261, June 2002.
    5. 5)
      • G. Coulouris , J. Dollimore , T. Kindberg . (2001) Distributed systems: concepts and design.
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