摘要
以移动自组织网络分层路由中网关与网关间多路径优选问题为研究背景,研究了满足业务流特定QoS需求的保障方法,体现了"按需服务"的思想。给出了业务流QoS需求偏好的表示、转化及其计算的策略和方法,并扩展了GPSR路由算法,提出了基于业务流偏好的多QoS目标决策分层路由TMQODR算法,使其具有QoS选路功能,能根据业务流的QoS偏好选择最合适的路径。通过相关性能分析及仿真实验验证了算法的有效性。
Based on the re＇search background of multi-path choosing between gateways in hierarchy routing, this work exploited the guarantee method of traffic flow＇s specific QoS requirements and put forward some relevant policies and methods, including representation, transition and computation of traffic flows ＇ QoS preference. On the basis of traffic flows ＇ QoS preference, the strategy of optimal service selection was brought forward. Then, with the extension of GPSR algorithms, put forward a traffic-prefer-based multi-objective hierarchy routing TMQODR which is GPSR QoS Routing algorithms. The analysis on relevant performance for the algorithm has confirmed its feasibility and effectively.
出处
《计算机科学》
CSCD
北大核心
2010年第6期56-59,146,共5页
Computer Science
基金
863国家重点基金项目(60873192)
国家自然科学基金(2007AA01Z234)资助
关键词
移动自组织网络
QOS路由
多目标决策
业务流偏好
Mobile ad hoc network, QoS routing, Multi-object decision, Traffic flow preference
