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首页> 外文会议>International Conference on Computational Science - ICCS 2003 Pt.3 Jun 2-4, 2003 Melbourne, Australia and St. Petersburg, Russia >Layered Resource Representation in Grid Environment: An Example from VEGA Grid
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Layered Resource Representation in Grid Environment: An Example from VEGA Grid

机译：网格环境中的分层资源表示：VEGA Grid中的一个示例

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摘要

Resource discovery in wide-area distributed environments is a great challenge for the large quantity and volatility of resources. To solve this problem, mechanisms effectively representing resources are very necessary. In this paper, a resource representation scheme is proposed, which embodies the principles of VEGA Grid. This scheme is designed for routing-transferring model that is implemented as the resource discovery mechanism in VEGA Grid. The scheme is based on a three-layer model: the top user layer, on which specialized representation can be deployed according to the demand of users; the middle router layer, on which resource routers work for globally resource discovery; and the bottom provider layer for providers to publish their resources. We explain our choices of resource representations in each of these layers, and evaluate the usability, scalability and performance of the approach.
机译：广域分布式环境中的资源发现对于资源的大量和易变性是一个巨大的挑战。为了解决这个问题，有效地表示资源的机制是非常必要的。本文提出了一种资源表示方案，它体现了VEGA Grid的原理。此方案设计用于路由传输模型，该模型在VEGA Grid中作为资源发现机制实现。该方案基于三层模型：顶层用户层，可以根据用户需求在其上部署专门的表示；中间路由器层，资源路由器在其上进行全局资源发现；底层的提供商层，供提供商发布其资源。我们将解释在每个这些层中对资源表示形式的选择，并评估该方法的可用性，可伸缩性和性能。

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