Design and Implementation of MPLS Network Simulator (MNS) supporting QoS

  • Authors:
  • Gaeil Ahn;Woojik Chun

  • Affiliations:
  • -;-

  • Venue:
  • ICOIN '01 Proceedings of the The 15th International Conference on Information Networking
  • Year:
  • 2001

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Abstract

MPLS is known as one of the most important technologies for solving many problems over Internet. Recently many efforts and activities on MPLS have been initiated, which prompt the necessity of MPLS simulator. We propose a MPLS Network Simulator (MNS) built on the NS, which supports QoS as well as basic MPLS functions such as label switching, LDP, CR-LDP, and various options of label distribution. This paper describes design and implementation of MNS, focusing on its components; those are CR-LDP, MPLS Classifier, Service Classifier, Admission Control, Resource Manager, and Packet Scheduler. To verify the accuracy and efficiency of MNS, two examples are simulated and evaluated. One is the simulation for several kinds of traffics with different QoS each other. The other is the simulation for resource preemption.