A reliable trading service in open distributed systems

Proceedings of IEEE Workshop on Services for Distributed and Networked Environments Pub Date : 1994-06-27 DOI:10.1109/SDNE.1994.337769

Wenyi Cheng, X. Jia

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引用次数: 5

Abstract

The trading function is an important function which specifies the trading service in open distributed systems. A trader is an object which provides the trading service. In the client-server model, the trader allows clients to locate servers dynamically and allows servers to advertise their services. A reliable trader is particularly important, because if the trader fails, clients could not find suitable servers and servers could not advertise their services. The primary goal of the research is to improve reliability of a trader. To achieve this goal, a distributed system model is proposed which allows traders to provide a reliable trading service. A mechanism is also developed which makes traders tolerant to process failures, site failures, and most importantly, network partitionings. When network partitionings occur, the mechanism uses the semantic information of trader's operations to maintain the consistency of trader database replicas. Besides providing high reliability, the mechanisms provide higher availability than other proposed consistency control algorithms, such as the weighted voting algorithm. They also provide failure and location transparent trading services to clients and servers.<>

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开放分布式系统中的可靠交易服务

交易功能是开放分布式系统中指定交易服务的重要功能。交易者是提供交易服务的对象。在客户机-服务器模型中，交易器允许客户机动态地定位服务器，并允许服务器发布其服务。一个可靠的交易者尤为重要，因为如果交易者失败，客户无法找到合适的服务器，服务器也无法宣传他们的服务。本研究的主要目的是提高交易者的可靠性。为了实现这一目标，提出了一种分布式系统模型，允许交易者提供可靠的交易服务。还开发了一种机制，使交易者能够容忍流程故障，站点故障，最重要的是，网络分区。当发生网络分区时，该机制使用交易者操作的语义信息来维护交易者数据库副本的一致性。除了提供高可靠性外，该机制还提供了比其他已提出的一致性控制算法(如加权投票算法)更高的可用性。他们还为客户和服务器提供故障和位置透明的交易服务。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of IEEE Workshop on Services for Distributed and Networked Environments

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