Abstract. This paper defines a new restoration strategy for provisioning bandwidth guaranteed recovery for multicast connections in presence of link failures. The new restoration strategy is formulated into a new Integer Linear Programming (ILP) algorithm and is compared with other existing restoration strategies. We also present a new heuristic algorithm based on this new restoration strategy. Results show that our heuristic algorithm performs competitively close to the ILP-based algorithm, and is more bandwidth efficient than other existing heuristic algorithms that are based on different restoration strategies.
Active Programmable Network (APN) has begun a n p w phenomenon in the logical view towards network in the Internet domain. Traditional technologies based on IP have viewed the network as a black box where the network is hidden from the upper layers. The advantage of this model is the simplicity and the robustness it can offee. Howevel; this model may not be appropriate for the future applications of the Internet where the integration of services are expected. APN can be considered as an alternative model where coniponents within the network are open for programniabilip.
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