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| 谢建国,陈建二,陈松乔.视频服务器中多网络I/O的调度与接纳控制.软件学报,2002,13(8):1735-1740 |
| 视频服务器中多网络I/O的调度与接纳控制 |
| Scheduling and Admission Control in Video Servers with Multi-Network I/O |
| 投稿时间：2001-02-06 修订日期：2001-07-16 |
| DOI： |
| 中文关键词: VBR视频 缓冲 调度 LS算法 接纳控制 |
| 英文关键词:VBR video buffer scheduling list scheduling algorithm admission control |
| 基金项目:国家自然科学基金资助项目(69928201) |
| 作者 | 单位 | | 谢建国 | 中南大学,信息科学与工程学院,湖南,长沙,410083 | | 陈建二 | 中南大学,信息科学与工程学院,湖南,长沙,410083 | | 陈松乔 | 中南大学,信息科学与工程学院,湖南,长沙,410083 |
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| 摘要点击次数: 2597 |
| 全文下载次数: 2654 |
| 中文摘要: |
| 在视频服务器中,由于网络I/O带宽比磁盘I/O带宽相对丰富而未得到研究者的重视,但当服务达到一定的规模、网络输出成为瓶颈时,在多网络I/O情况下,网络输出的量化计算则不可避免.着重探讨了视频服务器在多网络I/O并行输出的情况下,如何进行最大输出调度的问题,给出了3个调度算法及相应的接纳计算公式,特别是一个带缓冲的优化调度模型.实验结果显示,调度模型及规划性能是优越而有效的.该项工作对视频服务器的调度设计、资源的有效配置具有指导作用. |
| 英文摘要: |
| Network I/O scheduling in video servers has been mostly neglected because in general the bandwidth of network I/O is richer than that of disk I/O. However, recent applications have indicated that when the scale of service increases to certain level, network I/O bandwidth will become a bottleneck and the problem of network I/O scheduling will be much more crucial. This paper focuses on scheduling video data blocks in video servers with multi-network I/O. Three scheduling algorithms and the corresponding admission control formulas are presented,especially a schediling optimal scheme with buffers is proposed.Experimental results show that the scheduling scheme is effective and efficient.The results can be directly used in server network I/O scheduling and efficient configuration of server resources. |
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