流式可扩展的视频序列与媒体感知网络元素在P4编程语言实现

Guan-Ru Wang, Chien-Chang Chen, Chao-Wen Chen, Li-Wen Pan, Yu-Rong Wang, Ching-Ling Fan, Cheng-Hsin Hsu
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引用次数: 3

摘要

我们提出了第一个媒体感知网络元素(MANE),用于在P4编程语言中智能地流式传输可扩展的视频序列。当队列占用超过阈值时,我们的MANE有选择地丢弃排队的可扩展视频数据包。实现了三种包丢弃逻辑:(i)尾部,(ii)增强层和(iii)优化的速率失真。我们基于P4的MANE实现在以下方面进行了演示:(i)带有P4软件交换机的mininet中的大型仿真网络;(ii)带有物理P4交换机和多个运行P4软件交换机的Raspberry Pis的小型真实网络。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Streaming scalable video sequences with media-aware network elements implemented in P4 programming language
We present the first Media-Aware Network Element (MANE) for intelligently streaming scalable video sequences in P4 programming language. Our MANE selectively drops queued scalable video packets when the queue occupancy exceeds a threshold. Three packet discarding logics are implemented: (i) tail, (ii) enhancement-layer, and (iii) rate-distortion optimized. Our P4-based MANE implementation is demonstrated in: (i) larger emulated networks in mininet with P4 software switches and (ii) a small real network with a physical P4 switch and multiple Raspberry Pis running P4 software switches.
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