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Decision Engine for SIP Based Dynamic Call Routing

Abstract : Enterprises nowadays are subscribing access to several Internet Service Providers (ISPs) for reliability, redundancy and better revenues underlying the service extension, while providing good Quality of Service (QoS). In this paper, a dynamic decision-making framework is presented for Session Initiation Protocol (SIP) based voice/video call routing in multihomed network. The decision engine takes multiple criteria into account while computing the routing decision (attributes from context of the request, platform’s latest conditional parameters, business objectives of the company, etc.). Two Multi-Criteria Decision Making (MCDM) methods, namely Grey Relational Analysis (GRA) and an extended version of Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) are used for decision calculation in outsourcing and provisioning enforcement modes respectively. The proposed solution gives higher throughput and lower call dropping probability while fulfilling the desired goals, taking into account the multiple attributes for choosing the best alternative.
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Sajjad Musthaq, Christophe Lohr, Annie Gravey. Decision Engine for SIP Based Dynamic Call Routing. 5th Autonomous Infrastructure, Management and Security (AIMS), Jun 2011, Nancy, France. pp.86-99, ⟨10.1007/978-3-642-21484-4_12⟩. ⟨hal-01585858⟩

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