Creating multipoint-to-point LSPs for traffic engineering

Sudeept Bhatnagar, Samrat Ganguly, Badri Nath

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

Traffic engineering enhances an ISP's capability to manage and utilize its resources effectively. MPLS has emerged as an efficient packet forwarding tool that gives a significant boost to the traffic engineering capabilities of an ISP. A fundamental problem in MPLS is to reduce label space usage by label switched paths while meeting the requirements of the flows traversing the network. Using multipoint-to-point LSP trees has been proposed as one of the techniques to reduce label space usage. We look at the problem of creating multipoint-to-point LSPs given a set of precomputed point-to-point LSPs. We propose a heuristic for multipoint-to-point LSP creation and show its effectiveness.

Original languageEnglish (US)
Pages (from-to)95-100
Number of pages6
JournalIEEE Communications Magazine
Volume43
Issue number1
DOIs
StatePublished - Jan 1 2005

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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