Live Streaming Overlay Multicast Service Network

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 value-added 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.