一种集中调控的分布式服务路径选择算法

李丹; 兰巨龙; 王鹏; 胡宇翔

doi:10.11999/JEIT170600

一种集中调控的分布式服务路径选择算法

doi: 10.11999/JEIT170600

基金项目:

国家863计划项目(2015AA016102)，国家自然科学基金(61521003)

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- 文章访问数: 1027
- HTML全文浏览量: 139
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- 被引次数: 0
出版历程
- 收稿日期: 2017-06-23
- 修回日期: 2017-11-27
- 刊出日期: 2018-04-19

Distributed Service Path Selection Algorithm under Central Control

Funds:

The National 863 Program of China (2015AA016102), The National Natural Science Foundation of China (61521003)

摘要

摘要: 在可重构网络多态路由模型中，通常存在多条满足业务需求的服务路径。针对最优服务路径选择问题，该文设计了一种集中调控的分布式服务路径选择算法，各节点根据服务请求中的第1个元能力和目的节点生成路由表，控制器实时监控网络，调控代价过高路径并平衡网络的带宽和负载。性能分析和仿真结果表明，分布式路由表能够生成有效的服务路径，表项规模、收敛时间与元能力个数成正比，在30%的集中调控比例下，路径代价和负载均衡度性能良好，与其他算法相比，对服务请求的响应时延降低约50%。
- 可重构网络 /
- 多态路由 /
- 服务路径选择 /
- 分布式路由表 /
- 集中调控
Abstract: There are many service paths which can satisfy the business requirements in polymorphic routing model of reconfigurable networks. For the issue of the best service path selection, this paper proposes a distributed service path selection algorithm under central control. Each node generates routing tables based on the first function and destination node in service request. The controller monitors the network in real time, regulates paths with high costs and balances the bandwidths and loads of the network. Performance analysis and simulation results show that, the distributed routing tables can generate efficient service paths and the convergence time is proportional to the number of functions. When the proportion of central control is 30 percent, the algorithm has a good performance on average cost of paths and load balance. The response delay to service request decreases almost 50 percent compared with other algorithms.
- Reconfigurable networks /
- Polymorphic routing /
- Service path selection /
- Distributed routing table /
- Central control

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参考文献(26)

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