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K highest label path algorithm (KHLP) is presented for MPLS-TE. The algorithm first uses generalization of highest-label pre-flow-push algorithm to calculate K-shortest paths, then chooses the LSP in terms of the link criticality and the residual bandwidth, combines K value to give different links weight, further combines offline with online routing to reduce the computational complexity, simultaneously...
With the development of network technology, QoS routing algorithm based on MPLS traffic engineering becomes the focus of the information industry. An improved algorithm is proposed based on the known algorithms. For optional paths of each ingress-egress pair, the algorithm uses a learning mechanism, combines offline and online routing, and chooses the LSP in terms of the average expectation load and...
At first, several QoS technologies are presented and analyzed, one single technology can not solve QoS problem perfectly. A new QoS model is brought forward, which integrates MPLS traffic engineering, DiffServ and IntServ. Design philosophy and implementation technique of this model are presented. At last, simulations about this model in NS2 are done. Comparing with MPLS network, network delay is...
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