Google Inc, the most-used search engine, will buy a stake in Xunlei Networking Technology Co Ltd, a Chinese peer-to-peer file sharing network operator. 谷歌，使用最多的搜索引擎，计划购买讯雷网络技术有限公司的股份，一家中国点对点文件共享网络经营者。
With choice of apporpriate algorithm parameters and effect functions multicast and unicast sessions can share the network resources in the proportional fair manner. 通过选择合适的算法参数及效用函数，单播与组播将依据比例公平性准则共享网络资源。
