Mapping edge-based traffic measurements onto the internal links in MPLS network

Guofeng Zhao; Hong Tang; Yi Zhang

doi:10.1117/12.569959

25 October 2004 Mapping edge-based traffic measurements onto the internal links in MPLS network

Guofeng Zhao, Hong Tang, Yi Zhang

Proceedings Volume 5598, Performance, Quality of Service, and Control of Next-Generation Communication Networks II; (2004) https://doi.org/10.1117/12.569959
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

Applying multi-protocol label switching techniques to IP-based backbone for traffic engineering goals has shown advantageous. Obtaining a volume of load on each internal link of the network is crucial for traffic engineering applying. Though collecting can be available for each link, such as applying traditional SNMP scheme, the approach may cause heavy processing load and sharply degrade the throughput of the core routers. Then monitoring merely at the edge of the network and mapping the measurements onto the core provides a good alternative way. In this paper, we explore a scheme for traffic mapping with edge-based measurements in MPLS network. It is supposed that the volume of traffic on each internal link over the domain would be mapped onto by measurements available only at ingress nodes. We apply path-based measurements at ingress nodes without enabling measurements in the core of the network. We propose a method that can infer a path from the ingress to the egress node using label distribution protocol without collecting routing data from core routers. Based on flow theory and queuing theory, we prove that our approach is effective and present the algorithm for traffic mapping. We also show performance simulation results that indicate potential of our approach.

Citation Download Citation

Guofeng Zhao, Hong Tang, and Yi Zhang "Mapping edge-based traffic measurements onto the internal links in MPLS network", Proc. SPIE 5598, Performance, Quality of Service, and Control of Next-Generation Communication Networks II, (25 October 2004); https://doi.org/10.1117/12.569959

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