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Convergence of Intra-domain Routing with Centralized Control

  • Jing Fu
  • Peter Sjödin
  • Gunnar Karlsson
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4982)

Abstract

The decentralized control scheme for routing in current IP networks has been questioned, and a centralized routing scheme has been proposed as an alternative. In this paper, we compare the convergence of centralized control scheme with decentralized link-state routing protocols. We first identify the components of the convergence time. Thereafter, we study how to achieve fast routing convergence in networks with centralized control. In particular, we analyze how to distribute forwarding information efficiently. Finally, we perform simulation studies on the convergence time for both real and synthetic network topologies, and study the impact of control element location, link weights, and number of failures on the convergence time. The results show that the centralized control scheme can provide faster routing convergence than link-state routing protocols.

Keywords

Convergence Time Link Failure Link Weight Short Path Tree Line Card 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© IFIP International Federation for Information Processing 2008

Authors and Affiliations

  • Jing Fu
    • 1
  • Peter Sjödin
    • 2
  • Gunnar Karlsson
    • 1
  1. 1.School of Electrical EngineeringACCESS Linnaeus CenterSweden
  2. 2.School of Information and Communication Technology KTHRoyal Institute of TechnologyStockholmSweden

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