An emulation architecture for the integration of virtual and physical networks

Deng Bo, Wang Xiaofeng, Jiang Min, Liu Yuan
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引用次数: 1

Abstract

Network emulation is an essential tool to evaluate network protocols and network security technologies. Leveraging on the cloud computing services, a hybrid network emulation platform integrating virtual and physical networks is proposed in this paper. With cloud services, heterogeneous and scalable virtual networks can be built. By accessing physical networks, the whole platform will be improved with high precision. Software defined network (SDN) switch is applied in the platform. With its OpenFlow protocol, packet flows can be controlled with flexibility to support transparent network emulation. Meanwhile, SDN switches cooperate with physical switches to provide the platform with experiments isolation and reconfigurability. The attributes of any virtual-physical link are also considered to emulate real networks with latency, bandwidth and loss rate. Extensive experiments proved that the proposed platform is capable to emulate networks with scalability, transparency, and can further support multiple experiments isolation.
用于虚拟和物理网络集成的仿真体系结构
网络仿真是评估网络协议和网络安全技术的重要工具。利用云计算服务,提出了一种虚拟网络与物理网络相结合的混合网络仿真平台。使用云服务,可以构建异构和可扩展的虚拟网络。通过接入物理网络,提高整个平台的精度。平台采用软件定义网络(SDN)交换机。通过OpenFlow协议,可以灵活地控制数据包流,以支持透明网络仿真。同时,SDN交换机与物理交换机配合,为平台提供实验隔离性和可重构性。还考虑了任何虚拟物理链路的属性,以模拟真实网络的延迟,带宽和损失率。大量实验证明,该平台能够模拟具有可扩展性、透明性的网络,并能进一步支持多实验隔离。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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CiteScore
7.60
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0.00%
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