A General availability -aware survivable routing architecture on GMPLS-based recovery

János Tapolcai, Shin Jer Yang, Pin Han Ho

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This article introduces a novel dynamic availability-aware survivable routing architecture under the framework of Generalized Multi-Protocol Label Switching (GMPLS) -based recovery, which aims to achieve better generality for the network operation in meeting the end-to-end (E2E) availability requirement of each connection. The article first defines the partial restorability, justifies the feasibility of equipping a connection with partial restorability under the GMPLS control plane, and highlights the approach of evaluating the E2E availability for a pair of working and partially restorative Shared Risk Group (SRG)-disjoint shared backup Label Switched Paths (LSPs). Simulation is conducted to verify the proposed survivable routing architecture. The final results indicate that the proposed survivable routing framework has a great ability in meeting the E2E availability requirement by engineering the effective restoration fraction of each connection with a fine granularity.

Original languageEnglish
Pages (from-to)441-448
Number of pages8
JournalJournal of Internet Technology
Volume12
Issue number3
Publication statusPublished - Sep 12 2011

Keywords

  • Availability
  • Generalized Multi-Protocol Label Switching (GMPLS)
  • Partial restorable
  • Shared protection

ASJC Scopus subject areas

  • Software
  • Computer Networks and Communications

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