Bifrost系统的应用管理技术

Avneesh Bhatnagar, W. Speight, Daniel Crawl, J. Dunn, J. Bennett
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引用次数: 1

摘要

描述了Bifrost位置无关计算系统中的自适应组件迁移功能。我们提供了一种工具,允许移动客户端选择性地在本地或远程调用应用程序组件功能,以改善用户响应时间。Bifrost运行时系统使用一个决策过程,该过程考虑了影响迁移决策的各种问题,包括客户机和服务器资源、组件大小、与组件相关的数据大小以及网络特征。我们给出了该系统的详细设计,同时研究了函数调用重定向和API包装器的选项,作为扩展底层远程执行技术(DCOM)语义的一种手段。Bifrost提供的自适应功能使客户端的响应时间比移动客户端设备上基于dcom的默认实现至少减少了29%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Application management techniques for the Bifrost system
We describe the adaptive component migration facility in the Bifrost location-independent computing system. We present a facility that allows mobile clients to selectively invoke application component functionality locally or remotely in order to improve user response time. The Bifrost runtime system uses a decision-making process that takes into account a variety of issues affecting the migration decision, including client and server resources, component size, the size of the data associated with the component, and network characteristics. We present a detailed design of this system, while examining the options of function call re-direction and API wrappers as a means to extend the semantics of the underlying remote execution technology (DCOM). The adaptive functionality provided by Bifrost resulted in a minimum 29% reduction in response time experienced by the client over a default DCOM-based implementation for mobile client devices.
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