An Effective Forwarding Model for Tunneling Transmission System Based on Table Optimization
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摘要: 异构网络环境中,隧道报文在路由器数据层的处理涉及多次不同表项查找,报文转发时延和表项存储容量都面临着极大的挑战。该文主要研究隧道报文处理的核心功能及各项功能步骤间的关联,提出了表项聚合和表项拆分理论,并分析了二者的效用、代价及适用场景。并设计了基于表项优化的隧道设备高效转发模型,针对4over6过渡网关给出了具体实现方法。原型系统实验和分析证明了隧道网络表项优化机制和理论的正确性、高效性。表项优化研究也为其他网络设备的各类表项处理优化提供了重要参考。
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[1] CUI Yong, WU Peng, XU Ming-wei, et al. 4over6: Network layer virtualization for IPv4/IPv6 coexistence[J]. IEEE Network, 2012, 26(5): 44-48. [2] M BATENI, A GERBER, M HAJIAGHAYI et al. Multi-VPN optimization for scalable routing via relaying[C]//28th IEEE International Conference on Computer Communications. Brazil: IEEE, 2009. [3] 吴建平, 李星, 崔勇等. 4over6:基于非显示隧道的IPv4 跨越IPv6互联机制[J]. 电子学报, 2006, 34(3): 455-458. WU Jian-ping, LI Xing, CUI Yong, et al. 4over6: IPv4 network interconnection over IPv6 backbone without explicit tunneling[J]. Chinese Journal of Electronics, 2006, 34(3): 454-458. [4] 任旭明. IPv4/IPv6路由器低功耗TCAM查表算法研究[D]. 北京: 北京邮电大学, 2013. REN Xu-ming. Power-efficient tcam for IPv4/IPv6 routing tables[D]. Beijing: Beijing University of Posts and Telecommunications, 2013. [5] CUI Yong, WU Peng, XU Ming-wei, et al. 4over6: Network layer virtualization for IPv4-IPv6 coexistence[J]. IEEE Network Magazine, 2012, 26(5): 44-48. [6] 陈文龙, 徐明伟. 面向地址空间分离网络的地址映射模 型: AMIA[J]. 计算机学报, 2012, 35(1): 2-9. CHEN Wen-long, XU Ming-wei. AMIA: Address mapping model facing the network with separated address space[J]. Chinese Journal of Computers, 2012, 35(1): 2-9.
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