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Autonomic Management of Object Replication for FT-CORBA Based Intelligent Transportation Systems

  • Woonsuk Suh
  • Eunseok Lee
Part of the Communications in Computer and Information Science book series (CCIS, volume 63)

Abstract

Intelligent Transportation Systems (ITS) comprises the electronics, communications or information processing used singly or integrated to improve the efficiency or safety of surface transportation. Accordingly, the ITS has to perform collection, management, and provision of real time transport information reliably. It can be deployed based on the Common Object Request Broker Architecture (CORBA) of the Object Management Group (OMG) because it consists of many interconnected heterogeneous systems deployed by independent organizations. Fault Tolerant CORBA (FT-CORBA) supports real time requirement of transport information stably through redundancy by replication of server objects. However, object replication, management, and related protocols of FT-CORBA require extra system resources of CPU and memory, and can degrade the system performance both locally and as a whole. This paper proposes an architecture to enhance performance of FT-CORBA based ITS in terms of CPU and memory by managing object replication adaptively during system operation with an agent. The application of the agent is expected to support fault tolerance of real ITS efficiently.

Keywords

Agent Fault Tolerance ITS Real Time 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Woonsuk Suh
    • 1
  • Eunseok Lee
    • 2
  1. 1.National Information Society AgencySeoulKorea
  2. 2.School of Information and Communication EngineeringSungkyunkwan UniversitySuwonKorea

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