P 2 P技术是自1999年来被广泛使用的技术，应用于各种资源共享和协同工作领域，同样，也适合在IPTV服务系统中使用。
P2P technologies have been used widely since 1999 in various fields of resource sharing and working collaborations. Also, it can be used in IPTV service systems.
IGRS标准适用于在计算机、家用电器和通信等设备之间，在一定范围网络域内，通过有线或无线方式实现资源共享与协同服务。
The IGRS standard is applicable to resource sharing and service collaboration among computers, consumer electronics and communication devices in a limited network domain (weird or wireless).
到目前为止，于P2P相关的著名系统已经超过40个，涉及到了资源共享，协同计算，及时短信服务，系统安全等方面；
Until now, there have appeared more than 40 famous P2P systems, which deal with resource sharing, cooperate computing, instant message and system security.
应用推荐