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跨云计算数据中心组网要求具有高度灵活和弹性的网络架构,业务负载不论是物理机还是虚拟机,都可以在数据中心之间的任意资源上部署,为了实现以上目标,跨数据中心必须部署与传统二层网络技术不同的大二层网络技术。首先分析了传统二层网络技术的局限性,提出了数据中心对组网的需求,并对大二层技术和传统二层技术做了对比分析,然后对大二层网络技术的实现原理和适用场景进行了系统全面的介绍,最后结合运营商跨数据中心组网的项目实施案例进行探讨和分析,对新型云计算数据中心的网络规划有较好的借鉴和指导意义。
Cross-cloud computing data center networking requires highly flexible and resilient network architectures. Business workloads, whether physical or virtual, can be deployed on any resource between data centers. To achieve these goals, cross-data center deployments must be deployed Large Layer 2 network technology different from traditional Layer 2 network technology. First of all, it analyzes the limitations of the traditional Layer 2 network technology, puts forward the data center’s requirements for networking, and makes a comparative analysis of the Layer 2 technology and the traditional Layer 2 technology, and then analyzes the principle and application of the Layer 2 network technology Finally, a comprehensive and systematic introduction of the scenario is made. Finally, the project implementation cases of operators across data centers are discussed and analyzed, which is of good reference and guidance to the network planning of the new cloud computing data center.