基于SDN的OpenFlow交换机数据包流水线处理机制

doi:10.11896／j.issn.1002-137X.2018.10.055

Abstract

Abstract: Currently,SDN (Software Defined Networking) has become the focus of the research and development in network field,but its related research and development are limited in the campus network and data center network.Due to the limitation of the processing efficiency of control layer and data layer,the research on ultra large scale network such like Internet is basically in the blank stage.In order to improve the performance of SDN and make it adaptable to the large-scale network,this paper explored the possibility of parallel acceleration processing in SDN data layer,in which pipeline technology is applied to the packet forwarding process of OpenFlow switch in SDN data layer.Combined with SDN work specification provided by the south interface protocols OpenFlow,a 3 level pipeline processing mechanism was designed to adaptable for OpenFlow switch packets transmission.The design and simulation of this system prove that using pipeline into SDN field can speed up the packet forwarding speed of OpenFlow switch effectively.

Key words: OpenFlow protocal, Packet transmission, Pipeline technology, Software defined networking

CLC Number:

TP393

WU Qi, WANG Xing-wei, HUANG Min. OpenFlow Switch Packets Pipeline Processing Mechanism Based on SDN[J].Computer Science, 2018, 45(10): 295-299.

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