实时流覆盖组播服务网络研究  

Live Streaming Overlay Multicast Service Network

作　　者：赵煜辉[1] 安玉艳[2] 王洪君[3] 高远[1] 

机构地区：[1]东北大学秦皇岛分校,秦皇岛066004 [2]秦皇岛外国语职业学院,秦皇岛066004 [3]吉林师范大学,四平136000

出　　处：《计算机科学》2007年第2期22-26,共5页Computer Science

基　　金：Supported by the National Natural Science Foundation of Chinaunder Grant No.60273078(国家自然科学基金)

摘　　要：针对ISP在提供实时多媒体服务时对灵活性的需求,设计了一个基于覆盖组播的实时流网络模型,利用面向服务的方法传送语音、视频等流数据,改善了实时流应用中的QoS,较好地解决了ISP部署多媒体增值服务业务的灵活性问题。并结合NUQ应用实例,从服务控制和资源管理的角度,研究组合实时流服务和构件来实现组通信服务,并分析了满足QoS和控制资源的方法。To improve the flexibility in multimedia service for Internet Service Provider（ISP）, a live streaming service composition model is addressed. This is an overlay multicast network based on service-oriented methods for transmiting the continuous media data, like audio, video etc. It can achieve the QoS-aware live media applications for ISP＇s valueadded business. Then, an instance called NUQ, is designed and applied according to the model. In NUQ, the composition of the services and the components is discussed in order to improve the service controll and resource management, at last the QoS-satisfied and resource-controlled methods is studied.

关 键 词：实时流 覆盖组播 服务组合 面向服务的体系结构 服务控制 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]