首页> 外文会议>International Conference on Internet Computing IC'02 Vol.3, Jun 24-27, 2002, Las Vegas, Nevada, USA >A Fault Tolerance Mechanism for MAgNET: A Mobile Agent based E-commerce System
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A Fault Tolerance Mechanism for MAgNET: A Mobile Agent based E-commerce System

机译:MAgNET的容错机制:基于移动代理的电子商务系统

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Mobile agents are an attractive paradigm for imple-menting communication intensive applications such as distributed databases, network management and more recently e-commerce. Like all other software systems, reliability is a major concern in mobile agent systems. The problem is complicated for mobile agent systems as the remote sites on which the mobile agent executes cannot be controlled by the application programmer. In this paper, we use MAgNET, a mobile agent enabled e-commerce system to study and propose solutions for the reliability of mobile agent systems. In MAgNET, hu-man buyers create and deploy mobile shopping agents that visit different seller sites on the Internet to com-parison shop for a particular item. MAgNET employs passive replication of the mobile shopping agents to pro-tect against faults on the remote seller sites. Process faults are addressed by cloning the shopping agent on each seller site prior to execution. To address network and node faults, we have used the bounded failure rate hypothesis along with passive replication of the shopping agent at each seller site.
机译:移动代理是实现通信密集型应用程序(例如分布式数据库,网络管理和最近的电子商务)的一种有吸引力的范例。像所有其他软件系统一样,可靠性是移动代理系统中的主要问题。对于移动代理系统,该问题很复杂,因为在其上执行移动代理的远程站点无法由应用程序程序员控制。在本文中,我们使用具有移动代理功能的电子商务系统MAgNET来研究和提出移动代理系统可靠性的解决方案。在MAgNET中,人类购买者创建并部署了移动购物代理,这些代理访问Internet上的不同卖方站点以比较特定商品。 MAgNET使用移动购物代理的被动复制来保护远程卖方站点上的故障。通过在执行之前在每个卖方站点上克隆购物代理来解决过程故障。为了解决网络和节点故障,我们使用了有限的故障率假设以及每个卖方站点上购物代理商的被动复制。

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