Implementation and Evaluation of a Fault-tolerant Mechanism on Network-wide Distributed Object-oriented Systems (特集 マルチメディア通信プロトコル)

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概要

• 論文の詳細を見る

• This paper describes the implementation of a fault-tolerant mechanism in a CORBA-compliant object request broker (ORB). This mechanism manages the object replicas, thereby enabling non-stop facilities. It hides the internal structure of fault-tolerant objects and is implemented as an object adapter (OA) on the ORB, not as an ordinary object. Because it combines fault detection using the local timer of each node and maintenance for internal state consistency, the overhead is reduced. Evaluation of the mechanism's performance demonstrated that it is suitable for a distributed object-oriented processing environment because it uses only low-overhead functions, such as message transfer, and not high-overhead functions, such as the dynamic invocation interface / dynamic skeleton inteface (DII / DSI). This mechanism was developed for use in the distributed processing environment (DPE) of telecommunication networks in which continuous operation and connectivity to other systems are needed.

• 2000-02-15

著者

• TAKEMOTO Michiharu

  NTT Network Service Systems Laboratories, NTT Corporation

• Takemoto Michiharu

  Ntt Network Innovation Laboratories

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• Implementation and Evaluation of a Fault-tolerant Mechanism on Network-wide Distributed Object-oriented Systems (特集 マルチメディア通信プロトコル)
• EcAgent Architecture Providing Networking Services Based on Loose Communities(Special Issue on Outstanding Papers from APCC 2001)

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