第九章流媒体的差错控制技术拥塞控制及差错控制都是为了保证信号的质量, 即属于图1.5中QoS部分,这两部分是密不可分的, 例如由于拥塞而出现丢包,则表现在信号上就出现了差错,一旦出现了差错,除了从拥塞控制着手去解决问题外,流媒体技术中还采用了多样方法来进行差错控制。一般地把差错控制技术分为四类: Chapter 9 Error Control Technology of Streaming Media Congestion control and error control are all for ensuring the quality of the signal, which belongs to the QoS part in Figure 1.5. These two parts are inseparable. For example, packet loss due to congestion occurs when the signal There has been a mistake, in the event of an error, in addition to starting from the congestion control to solve the problem, the streaming media technology also uses a variety of methods for error control. The error control techniques are generally divided into four categories: