SDN中流量工程视频路径选择

Adiluck Chooprateep, Yuthapong Somchit
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引用次数: 4

摘要

本文提出了一种用于SDN流量工程的视频路径选择算法——视频路径选择算法(VPSA)。该算法利用控制器收集的过去和最近的带宽使用数据来计算合适的路径。当视频请求没有合适的路径时,该算法可以选择是拒绝还是接受带宽率降低的视频请求。将该算法的性能与基于保持时间的带宽保证路由算法(BGHT)和最短距离路径算法(SDP)进行了比较。评价结果表明,在拒绝流量模式下,该算法接受的视频请求数高于其他算法。此外,在非拒绝流量模式下,所提出的算法还具有比其他算法更低的带宽减少量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Video Path Selection for Traffic Engineering in SDN
This paper proposes the video path selection algorithm for traffic engineering in SDN called Video Path Selection Algorithm (VPSA). The proposed algorithm uses the past and the latest bandwidth usage data collected by the controller for calculating a suitable path. If there is no suitable path for the video request, this algorithm can choose the mode whether it will reject or accept the requests with reduced bandwidth rate. The performance of the proposed algorithm is compared with Bandwidth Guaranteed routing algorithm using Holding Times (BGHT) and Shortest-Distance Path algorithm (SDP). The evaluation results show that the proposed algorithm has the accepted number of video requests more than the other algorithms in the rejected traffic mode. Moreover, the proposed algorithm also has the amount of reduced bandwidth lower than the other algorithms in the non-rejected traffic mode.
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