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A multicast QoS routing algorithm based on immune genetic algorithm to balance the load in the network was proposed. This paper proposes the network model which supports QoS multicast. With the optimization of existing QoS multicast routing algorithms, this paper proposes an improved multi-constrained for load balancing QoS multicast routing algorithm based on immune genetic algorithm. The simulation...
MPLS networks use label technique for data transmission. For the rerouting mode, the backbone network demands short restoration time and the QoS guarantee. This paper proposes a new MPLS Fault Restoration Algorithm called NRRA based on Simulated Annealing and Tabu Search. When faults appears in the path, the algorithm can calculate a new optimal path with the new network state again, and the new path...
Unlike traditional routing schemes that route all traffic along a single path, multipath routing strategies split the traffic among several paths in order to ease congestion. It has been widely recognized that multipath routing can be fundamentally more efficient than the traditional approach of routing along single paths. aiming at the increasing network traffic and the deficity that the former Ant...
This paper proposes the network model which supports QoS multicast. With the optimization of existing QoS multicast routing algorithms, this paper proposes the QoS multicast routing algorithm based on immune genetic method in NGN. The simulation results indicate that the algorithm has high convergence speed and reliability, and can meets the demand of QoS multicast in NGN well.
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...
In differentiated services (Diffserv) network, for the bandwidth broker waste problem of static resources management, a dynamic resource management (DRMA) algorithm was proposed to improve the efficiency of resource management. The algorithm introduced a logical share pool of resources, in order to recovery bandwidth resources that was not full used. The resource reservation request re-used recovery...
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