Design on Data Plane of Programmable Hardware-Based Virtual Router

doi:10.3969/j.issn.0372-2112.2013.07.004

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ACTA ELECTRONICA SINICA ›› 2013, Vol. 41 ›› Issue (7) : 1268-1272. DOI: 10.3969/j.issn.0372-2112.2013.07.004

Design on Data Plane of Programmable Hardware-Based Virtual Router

LIU Zhong-jin, LI Yong, YANG Mao, SU Li, JIN De-peng, ZENG Lie-guang

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Abstract

Building virtualized network experiment platform is considered to be an effective method for network architecture innovation and validation.The structure and performance of the virtual router determines the capacity and flexibility of network experiment platform.In this article,the virtual router's data-plane architecture with parallel pipelines is presented.Combined with parallel packet classification and asynchronous pointer polling scheduling mechanisms,we implement isolated heterogeneous router instances on the same physical underlying.Prototype system is deployed on programmable hardware which is tested with software routers in real network environment.Experimental results show that compared with traditional single-pipeline architecture,our design get greater flexibility and parallelism and supports heterogeneous router instances operating independently;logic resources overhead and delay characteristics are not significantly increased while each router instance achieves wire-speed forwarding which is comparable with that hardware.

Key words

virtualization / data plane / parallel pipeline / programmable hardware

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LIU Zhong-jin, LI Yong, YANG Mao, SU Li, JIN De-peng, ZENG Lie-guang. Design on Data Plane of Programmable Hardware-Based Virtual Router[J]. Acta Electronica Sinica, 2013, 41(7): 1268-1272. https://doi.org/10.3969/j.issn.0372-2112.2013.07.004

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Funding

National Program on Key Basic Research Project of China (973 Program) (No.2013CB3291005); National Natural Science Foundation of China (No.61171065, No.61021001, No.61133015); National High Technology Research and Development Program of China (863 Program) (No.2013AA010601, No.2013AA010605)