Abstract:

Abstract:In the network video services, one of the key techniques is to use storage and network resources efficiently. The objective of algorithms is to support the realtime service of uses’ zero waiting delay, and reduce the consumption of server’s bandwidth. Several zerodelay stream scheduling algorithms are introduced, and the advantages and disadvantages of each scheduling methods are analyzed. ZDBVBR algorithm is proposed to solve the users’ waiting delay and reduce the consumption of server’s bandwidth maximally. It can improve the efficiency of the system. Simulation results prove the superiority of this method in dealing with user delay and bandwidth consuming。

Key words: video on demand;stream schedule;variable bit rate