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首页> 外文会议>Sensor, Mesh and Ad Hoc Communications and Networks Workshops, 2009. SECON Workshops '09 >Layer-2.5 Routing in Multi-Radio Wireless Mesh Networks
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Layer-2.5 Routing in Multi-Radio Wireless Mesh Networks

机译：多无线电无线网状网络中的第2.5层路由

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The availability of cost-effective wireless network interface cards has recently made it possible to equip wireless mesh routers with multiple interfaces. The problem how to assign channels to those interfaces has been consequently studied and shown to be strictly related to the routing problem. In a previous work, we have proposed a Layer-2.5 forwarding paradigm for multi-radio wireless mesh networks and claimed its potential for desirable features such as high throughput, fast recovery against node/link failures and high robustness to variation in the traffic demands. In this paper, we show that such features are not easily achieved by a traditional destination-based routing protocol. For this purpose, we had to: (i) design a technique to compute proper link weights, and (ii) develop a modified version of AODV, named AODV-MLW, which is able to use arbitrary link weights. The thorough performance evaluation studies we carried out actually show that our Layer-2.5 forwarding paradigm outperforms a traditional destination-based routing protocol.
机译：具有成本效益的无线网络接口卡的可用性最近使为无线网状路由器配备多个接口成为可能。因此，已经研究了如何将信道分配给那些接口的问题，并且该问题与路由问题严格相关。在先前的工作中，我们提出了一种用于多无线电无线网状网络的2.5层转发范例，并声称其具有潜在的理想功能，例如高吞吐量，针对节点/链路故障的快速恢复以及对流量需求变化的高鲁棒性。在本文中，我们显示了传统的基于目标的路由协议不容易实现这些功能。为此，我们必须：（i）设计一种计算适当的链路权重的技术，并且（ii）开发名为AODV-MLW的AODV的改进版本，它可以使用任意链路权重。我们进行的全面性能评估研究实际上表明，我们的2.5层转发范例优于传统的基于目标的路由协议。

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