说明： upnp得技术文档
是对upnp的介绍，UPnP即Universal Plug and Play通用即插即用简称UPNP。UPnP使用标准的TCP/IP和网络协议，使它能够无缝的融入现有网络。是intel、力推的
(UPnP in technical documentation for the UPnP, UPnP is Universal Plug and Play UPnP referred UPNP. UPnP using standard TCP/IP network protocol and enable it to seamlessly integrate into existing networks. Intel is, pushing the)
