The UPnP and IGRS are the two main protocols to connect seamlessly in the field of digital devices.Because the formats of the description of device and its services by these two protocols are different,devices which base on different protocols can not be identified and linked directly.In view of this situation,this paper analyses the difference between the two main protocols from the level of internal mechanisms and explains the feasibility of interoperability which bases on different protocol,so this makes the resource sharing of information equipments and collaboration services possible.This paper provides theoretical support for the interoperability of the IGRS and UPnP devices.%UPnP和IGRS是数字家庭领域中实现设备无缝连接的两大主流协议,由于这两种协议对各自设备及其所提供服务的描述格式各不相同,因此基于不同协议的设备不能直接相互识别、连接.针对此情况,从IGRS和UPnP两大主流协议的内部机制层面分析了两种协议的差别,并阐述了基于这两种协议设备互联互通的可行性,从而实现基于不同协议的信息设备资源共享和协同服务,为IGRS和UPNP设备的互联互通提供理论支持.
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