改进VOD视频点播系统的流调度算法，能更有效地利用边缘网的带宽，提高用户接收视频的速度、清晰度等-VOD video on demand system to improve the flow scheduling algorithm can be more efficient use of the edge of network bandwidth, improve user to receive video speed, clarity, etc.

In this paper,propose a new scheduling algorithm for a true VOD service by incorporating the patching technique into variable segment NVOD scheduling.