这种机制利用分片产生的流描述信息得到文件的流发送速率等级,在网络拥塞时选择发送较小编码速率的文件数据,从而达到了服务器端控制发送速率的目的。
The article brings forward file level flow control mechanism, this mechanism use stream information layers to choose strip files with less data rate to send when networks is congested.
介绍了EPON与GPON两种技术。并从标准成熟度、支持速率等级和业务能力、传输效率、安全性和可扩展性等几个方面对EPON与GPON进行了比较。
The article introduces EPON and GPON and compares these two technologies in terms of maturity, speed, service capacity, transmission efficiency and scalability.
接收端通过选择合适的服务级别来调整接收速率,服务等级越高则累计接收到的视频层数越多;
The users adjust their reception rate by choosing appropriate service level. The higher the level their apply, the more layers their will receive.
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