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The interest for providing services with performance guarantees across different connected networks has given new technical solutions allowing the computation of constrained inter-domain paths. Thus, the present paper treats the problem of computing inter-domain paths subject to multiple constraints. We study here existing algorithms for inter-domain computations, and describe new approach approximating...
The present paper proposes a novel method for computing inter-domain paths subject to multiple independent additive constraints in MPLS-TE networks. An efficient solution to this problem is a key element for providing services with guaranteed performance across domain boundaries. However, the inherent hardness of the multi-constrained path computation as well as inter-domain scalability and security...
Topology aggregation in hierarchical networks has been recognized as an effective way for the purpose of reducing the storage of state information. However, it also introduces deviation from original information. To find the optimal tradeoff between information reduction and accuracy for topology aggregation, two novel approximation approaches based on the conception of approximation staircase was...
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