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  4. 9(116)'2013
  5. A MODEL OF FAULT-TOLERANT ROUTING OF MULTICAST AND BROADCAST FLOWS IN MPLS-NETWORK

A MODEL OF FAULT-TOLERANT ROUTING OF MULTICAST AND BROADCAST FLOWS IN MPLS-NETWORK

O.V. Lemeshko, K.M. Arous
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A model of fault-tolerant routing multicast and broadcast flows in MPLS-network is proposed in the paper. Threading model represented by algebraic equations and inequalities, which are characterized by the state of MPLS-network, i.e. load its links. In the proposed model is the possibility to implement in accordance with the concept of Fast ReRoute three basic backup scheme: channel protection, node and tree routes. Calculated on the example demonstrates the ability of the proposed a faulttolerant routing model.
Keywords: flow-based model, fault tolerance, routing, Fast ReRoute, backup scheme, multicast flow