基于移动代理的蚂蚁算法在QoS路由选择中的应用研究

随着Internet上广泛的分布式多媒体应用对服务质量（QoS)需求的增长，各种服务应用对网络所能提供的QoS提出了不同的要求，所以高效率的QoS支持越来越显示出其重要性，而路由机制是实现QoS保证的关键之一。首先对一般性的QoS路由选择问题进行了讨论；在分析了自然界中蚂蚁卓越的选路行为后，提出了一种基于智能蚂蚁算法的QoS路由选择算法（QRAP），接着对QRAP算法进行了修正，使之更加符合应用的需求；然后讨论了该算法基于移动代理（Mobile Agent)的应用框架，并且给出了每个移动代理虚拟上应用模块的实现原理；最后通过实验仿真，验证了该算法应用的可行性和有效性。

Application Research on QoS-Based Routing Using Ant Algorithm and Based on Mobile-Agent

As the demands for quality of service(QoS) by extensive application of distributed multi medium in Internet are rapidly increasing and different kinds of service applications require different QoS provided by network, effective and efficient QoS support has become more and more important. The routing technology is one of the key roles to guarantee QoS. In this paper, the problems of general QoS based routing are discussed firstly. After ant's excellent site hunting behavior is introduced, a QRAP algorithm in which QoS based routing uses ant algorithm is discussed. Then QRAP algorithm is modified for satisfying its application request. Subsequently, a framework of QRAP based on mobile agent is designed and the principle of application module's implementation on every mobile agent virtual machine is discussed. Finally, the feasibility and effectivity of the scheme is suggested by the experiment and simulation.