Topology information condensation in hierarchical networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Topology aggregation for directed graphs
IEEE/ACM Transactions on Networking (TON)
Source-oriented topology aggregation with multiple QoS parameters in hierarchical networks
ACM Transactions on Modeling and Computer Simulation (TOMACS)
Spanning tree method for link state aggregation in large communication networks
INFOCOM '95 Proceedings of the Fourteenth Annual Joint Conference of the IEEE Computer and Communication Societies (Vol. 1)-Volume - Volume 1
Routing with topology aggregation in delay-bandwidth sensitive networks
IEEE/ACM Transactions on Networking (TON)
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In an optical network, the connections are generally bidirectional, but their QoS parameters in each direction may be not the same. In this paper, we propose an enhanced algorithm called Node Label Order First (NLOF), which can maintain asymmetrical information and guarantee availability of the compressed topology. Besides, a decoding algorithm to restore the compressed topology named Average Proportional point (AP) is also proposed, which not only retains the space complexity of the aggregation process but also improves the accuracy of the restored information. Simulation results show that combing NLOF with AP can balance the contradiction between space complexity of the aggregation algorithm and routing accuracy.