网格环境下的文件传输调度算法
An Algorithm for File Transfer Scheduling in Grid Environments
摘要:
针对网格环境下的数据传输调度问题,提出了一种具有动态和自适应特性的集中式调度器。该算法为用户传输请求提供了一个预留系统,该系统根据网络拓扑结构和用户为请求指定的约束来分配传输时间和带宽。本文介绍了与数据传输领域相关的项目,调度器的框架设计,调度器的主要功能,传输请求重新调度的步骤和两个测试,说明系统的行为,不同类型的传输请求。
英文摘要:
This paper addresses the data transfer scheduling problem for Grid environments, presenting a centralized scheduler developed with dynamic and adaptive features. The algorithm offers a reservation system for user transfer requests that allocates them transfer times and bandwidth, according to the network topology and the constraints the user specified for the requests. This paper presents the projects related to the data transfer field, the design of the framework for which the scheduler was built, the main features of the scheduler, the steps for transfer requests rescheduling and two tests that illustrate the system's behavior for different types of transfer requests.
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