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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 >Performance Improvement of Deflection Routing in Optical Burst Switching Networks
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Performance Improvement of Deflection Routing in Optical Burst Switching Networks

机译：光突发交换网络中偏转路由的性能改进

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摘要

In Optical Burst Switching (OBS) networks, when contention occurs at an intermediate switch, two or more bursts that are in contention can be lost because a forwarding path reservation is not made for a burst until a control message for the burst arrives. While deflection routing protocol is proposed as one of the contention resolution techniques, there has been no appropriate deflection routing algorithm to find an alternate route. In this paper, we propose a novel deflection routing algorithm to compute alternate routes with better performance as compared to other known techniques. This algorithm deflects contending bursts using a path that is based on minimization of a performance measure that combines distance and blocking due to contention. We will show, through simulation results, that there is an improvement in terms of loss with increased network throughput.
机译：在光突发交换（OBS）网络中，当争用发生在中间交换机上时，争用中的两个或更多突发可能会丢失，因为在突发的控制消息到达之前才为突发准备转发路径。虽然提出了偏转路由协议作为争用解决技术之一，但是还没有合适的偏转路由算法来找到替代路由。在本文中，我们提出了一种新颖的偏转路由算法，与其他已知技术相比，它能够以更好的性能来计算备用路由。该算法使用基于将距离和争用引起的距离相结合的性能指标最小化的路径来偏转竞争性突发。我们将通过仿真结果表明，随着网络吞吐量的增加，损耗方面有所改善。

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