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On Honey Bees and Dynamic Server Allocation in Internet Hosting Centers

机译:Internet托管中心中的蜜蜂和动态服务器分配

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摘要

Internet centers host services for e-banks, e-auctions and other clients. Hosting centers then must allocate servers among clients to maximize revenue. The limited number of servers, costs of reallocating servers, and unpredictability of requests make server allocation optimization difficult. Based on the many similarities between server and honey bee colony forager allocation, we propose a new decentralized honey bee algorithm which dynamically allocates servers to satisfy request loads. We compare it against an omniscient optimality algorithm, a conventional greedy algorithm, and an algorithm that computes omnisciently the optimal static allocation. We evaluate performance on simulated request streams and commercial trace data. Our algorithm performs better than static or greedy for highly variable request loads, but greedy can outperform it under low variability. Honey bee forager allocation, though suboptimal for static food sources, may possess a counterbalancing responsiveness to food source variability.
机译:互联网中心为电子银行,电子拍卖和其他客户提供服务。然后,托管中心必须在客户端之间分配服务器,以使收入最大化。服务器数量有限,服务器重新分配的成本以及请求的不可预测性使服务器分配优化变得困难。基于服务器与蜜蜂群体觅食者分配之间的许多相似性,我们提出了一种新的分散式蜜蜂算法,该算法可以动态分配服务器以满足请求负载。我们将其与全知的最优算法,传统的贪婪算法和无所不能的最优静态分配算法进行比较。我们评估模拟请求流和商业跟踪数据的性能。对于高度可变的请求负载,我们的算法比静态或贪婪的性能更好,但是贪婪可以在低可变性下胜过它。蜜蜂觅食者的分配,尽管对于静态食物来源而言不是最理想的,但可能具有对食物来源变异性的平衡响应能力。

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