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Gateway performance for network-controlled WLAN IP mobility

机译:网络控制的WLAN IP移动的网关性能

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'Always on' broadband-accessed network gateway (GW) control can facilitate inter-WLAN IP mobility, with seamless connectivity. The GW server plays a critical role in the overall WLAN IP (WIP) mobility architecture (IEEE Wireless Communications and Networking Conference, WCNC, Atlanta, GA, 21 March 2004; Int. J. Wireless Inf. Networks 2006; 13(3): 173-192). This paper provides a comparison of WIP with cellular IP (CIP) and mobile IP (MIP), and identifies the main requirements for a broadband-accessed network-based GW that supports WIP mobility. The paper then evaluates GW-contributed handoff message processing delay in the WIP architecture through an analytical system model and OPNET simulation model, and provides a comparison of the GW-contributed handoff message processing delays for non-preemptive vs preemptive queuing schemes. Both analytical and simulation results show that WIP handoff message processing delay at the GW has negligible impact on the overall system delay. Finally, this paper presents the simulation results of the fast routing table lookup and forwarding speed on the GW overall performance, which can assist service providers in the challenging implementation issues that they face.
机译:“始终在线”的宽带访问网络网关(GW)控制可通过无缝连接促进WLAN间IP移动。 GW服务器在整个WLAN IP(WIP)移动架构中起着至关重要的作用(IEEE无线通信和网络会议,WCNC,乔治亚州亚特兰大,2004年3月21日; Int。J. Wireless Inf。Networks 2006; 13(3): 173-192)。本文对WIP与蜂窝IP(CIP)和移动IP(MIP)进行了比较,并确定了支持WIP移动性的基于宽带访问的基于网络的GW的主要要求。然后,本文通过分析系统模型和OPNET仿真模型评估了WIP体系结构中GW贡献的切换消息处理延迟,并比较了非抢先排队方案和GW抢先排队方案的GW贡献切换消息处理延迟。分析和仿真结果均表明,GW处的WIP切换消息处理延迟对整体系统延迟的影响可忽略不计。最后,本文介绍了快速路由表查找和转发速度对GW整体性能的仿真结果,可以帮助服务提供商解决其面临的挑战性实施问题。

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