Abstract

 
 
 In previous works, a multi-objective traffic engineering scheme (MHDB-S model) using different distribution trees to multicast several flows were proposed. Because the flow assignment cannot be mapped directly into MPLS architecture, in this paper, we propose a liner system equation to create multiple point-2-multipoint LSPs based on the optimum sub-flow values obtained with our MHDB-S model.
 
 
Highlights
Traffic engineering is concerned with optimizing the performance of operational networks
We focus on the specific problem of mapping sub-flows to point-to-multipoint label switched paths (P2MP LSPs) for a multi-protocol label switched (MPLS) network implementations
The simplest solution (Fig. 3) to create LSPs based on the optimum sub-flow values is to send each sub-flow (0.4 and 0.6 fractions) to the group separately, and in this case each sub-flow is mapped to one P2MP LPS
Summary
Traffic engineering is concerned with optimizing the performance of operational networks. In previous work [17], [18], [19] and [20] we proposed a multi-objective traffic engineering scheme, the MHDB-S model, to multicast several flows The aim of this model is to combine the following weighting objectives into a single aggregated metric: maximum link utilization, hop count, total bandwidth consumption, and total end-to-end delay. We focus on the specific problem of mapping sub-flows to point-to-multipoint label switched paths (P2MP LSPs) for a multi-protocol label switched (MPLS) network implementations The aim of this is to obtain an efficient solution to formulate P2MP LSPs given a set of optimum sub-flow values.
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