Scalable and efficient fault-tolerant protocol for mobility agents in mobile IP-based systems

JinHo Ahn, Sung-Gi Min, Chong Sun Hwang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Existing fault-tolerant protocols to mask failures of multiple mobility (home or foreign) agents in a network have used passive replication techniques. However, they result in high failure-free latency during registration process if the number of mobility agents in the same network increases, and force each mobility agent to manage bindings of all the mobile nodes registering with its network. In this paper, we present a new fault-tolerant protocol using checkpointing and receiver-based pessimistic message logging techniques. The protocol achieves low failure-free latency even if the number of mobility agents in a network increases and improves scalability to a large number of mobile nodes registering with each network compared with the existing protocols. Additionally, the protocol allows each failed mobility agent to recover bindings of the mobile nodes registering with the mobility agent when it is repaired even if all the other mobility agents in the same network concurrently fail. The experimental results show that the stable storage access overhead of our protocol becomes smaller than the linearization and takeover overhead of the existing protocols as the number of mobility agents in a network increases.

Original languageEnglish
Pages (from-to)613-625
Number of pages13
JournalFuture Generation Computer Systems
Volume18
Issue number5
DOIs
Publication statusPublished - 2002 Apr 1

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Linearization
Scalability
Masks

Keywords

  • Checkpointing
  • Fault-tolerance
  • Message logging
  • Mobile IP
  • Mobility agent
  • Recovery

ASJC Scopus subject areas

  • Computer Science Applications
  • Hardware and Architecture
  • Control and Systems Engineering

Cite this

Scalable and efficient fault-tolerant protocol for mobility agents in mobile IP-based systems. / Ahn, JinHo; Min, Sung-Gi; Hwang, Chong Sun.

In: Future Generation Computer Systems, Vol. 18, No. 5, 01.04.2002, p. 613-625.

Research output: Contribution to journalArticle

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