Design and implementation of a prioritized packet-processing module on NetFPGA platform

Pang Wei Tsai, Hou Yi Chou, Pei Wen Cheng, Mon Yen Luo, Chu-Sing Yang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In recent years, varying traffic patterns and evolving applications are urging the Internet revolution. Traditional networking components are hard to achieve perfect condition facing the traffic demands from applications. Hence, Open Flow, a software defined network solution is proposed to gain flexible configuration and dynamic control on networking devices. It provides an opportunity to design mechanisms toward better transmission guarantee. The Open Flow protocol provides multiple actions in packet forwarding process. However, there are few accordant designs in hardware support differentiating or shaping the traffic up to this point. On the other hand, most of the developing methods with complicated control policies in software defined network such as traffic shaping and prioritized packet processing are concentrating only on software-based level. Therefore, this paper proposes a prioritized packet-processing module with offloaded flow control mechanism on to an embedded platform, NetFPGA, with open and programmable networking interface. The implementation enables incoming packets on each port of an Open Flow-enabled switch to be processed according to different priorities. Also, the designed control mechanism focuses on minimizing resource competition among flows, and its policies can be modified by software to dynamically limit the output rate on egress ports. Experiment results show that the prioritized packet-processing module with output rate control mechanism reaches a decent accuracy in both TCP and UDP connections, which provides desired traffic shaping and flow priority functions. This work also provides a prototype solution for differentiating traffic by service demand on networking device in software defined network environment.

Original languageEnglish
Title of host publicationProceedings - 2013 IEEE International Conference on High Performance Computing and Communications, HPCC 2013 and 2013 IEEE International Conference on Embedded and Ubiquitous Computing, EUC 2013
PublisherIEEE Computer Society
Pages272-277
Number of pages6
ISBN (Print)9780769550886
DOIs
Publication statusPublished - 2014 Jan 1
Event15th IEEE International Conference on High Performance Computing and Communications, HPCC 2013 and 11th IEEE/IFIP International Conference on Embedded and Ubiquitous Computing, EUC 2013 - Zhangjiajie, Hunan, China
Duration: 2013 Nov 132013 Nov 15

Publication series

NameProceedings - 2013 IEEE International Conference on High Performance Computing and Communications, HPCC 2013 and 2013 IEEE International Conference on Embedded and Ubiquitous Computing, EUC 2013

Other

Other15th IEEE International Conference on High Performance Computing and Communications, HPCC 2013 and 11th IEEE/IFIP International Conference on Embedded and Ubiquitous Computing, EUC 2013
Country/TerritoryChina
CityZhangjiajie, Hunan
Period13-11-1313-11-15

All Science Journal Classification (ASJC) codes

  • Software

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