Enabling SIP-Based Services in Ad Hoc Networks

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Provided by: American V-King Scientific Publishing
Topic: Networking
Format: PDF
Session Initiation Protocol (SIP) is widely used for establishing multimedia sessions, and chosen as the signaling protocol in the 3GPP standards. It also attracts many attempts to deploy SIP in a Mobile Ad-hoc NETwork (MANET). However, traditional SIP end points rely on SIP servers to discover one another and exchange SIP messages, which becomes a challenge due to lack of such server-based components in the infrastructure-less MANET. Although there are some approaches in decentralizing the SIP server functions in MANETs, they either consume too much power and bandwidth, or take the random network topology change into little consideration.
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