摘要
用覆盖网来进行QoS控制是一种十分有效的方法。覆盖网因其固有的优点,越来越得到研究者的重视:新应用的部署周期短,费用小,代价低。介绍了覆盖网的定义,应用必要性,并根据其进行QoS控制的状况进行了分类。重点研究了各种用于QoS控制的覆盖网,详细描述和分析了其思想,应用环境和优缺点。重点介绍了其体系结构和QoS路由算法,同时指出了目前的研究中过程所存在的问题,并对未来Qos问题的研究进行了展望。
Overlay networks are expected to be a promising technology for the realization of QoS(Quality of Service)control. Overlay networks have recently attracted considerable attention due to the advantages: a new service can be developed in a short duration and it can be started with a low cost. The definiton and the necessary of the overlay networks are introduced firstly, then overlay networks are categorized based on their characteristics. Overlay networks for QoS control are surveyed, which are important in QoS control research, and the description and analysis of thoughts, application environments and disadvantages of each overlay network are introduced in detail. Further more, the architecture and QoS routing algorithm of overlay networks are emphasized, the problems in recent research are pointed out, and the future research is prospected.
出处
《信息技术》
2009年第2期78-81,共4页
Information Technology