| ASIC芯片OpenFlow交换机设计与实现 |
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| 引用本文： | 费宁,陈春玲,毛燕琴.ASIC芯片OpenFlow交换机设计与实现[J].北京邮电大学学报,2016,39(6):93-98. |
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| 作者姓名： | 费宁 陈春玲 毛燕琴 |
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| 作者单位： | 南京邮电大学 计算机学院, 南京 210003 |
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| 基金项目： | 南京邮电大学科研项目(NY215168)，江苏省未来网络前瞻性研究项目(BY2013095108) |
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| 摘 要： | 以博通公司专用集成电路（ASIC）芯片交换机为例，深入研究了OpenFlow表项映射至芯片三态内容寻址存储器和传统转发寄存器的机制，以达到充分利用现有ASIC资源的目的.在工业界主流交换机上进行测试的结果表明，该方案实现的OpenFlow交换机完全可行，并具备较好的实用性和扩展性.
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| 关 键 词： | 软件定义网络 OpenFlow 专用集成电路 三态内容寻址存储器 |
| 收稿时间： | 2015-05-01 |
Design,Implementation and Evaluation of ASIC-Based OpenFlow Switch |
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| FEI Ning,CHEN Chun-ling,MAO Yan-qin.Design,Implementation and Evaluation of ASIC-Based OpenFlow Switch[J].Journal of Beijing University of Posts and Telecommunications,2016,39(6):93-98. |
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| Authors: | FEI Ning CHEN Chun-ling MAO Yan-qin |
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| Affiliation: | School of Computer Science and Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China |
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| Abstract: | OpenFlow is a de-facto standard programming interface between controllers and switches. How to enable the existing switches to support OpenFlow without losing their original forwarding capability is a challenge in the migration from traditional network to software defined network ( SDN) . Take Broadcom Trident series application specific integrated circuit ( ASIC) switch as an example, an algorithm to map OpenFlow forwarding table entries into ASIC’s ternary content addressable memory ( TCAM ) as well as traditional L2/L3 tables to augment the OpenFlow table’s capability, was proposed. The feasibility and scalability of our solution was demonstrated with design, implementation and evaluation in physical switch. |
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| Keywords: | software defined network OpenFlow application specific integrated circuit ternary content addressable memory |
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