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云数据中心,作为资源服务提供商,要满足不同客户业务产品需求(如:防火墙、IPSec VPN、负载均衡等)、租户间安全隔离等特征,软件定义网络(SDN)在云数据中心的引入是必然趋势。本文根据云数据中心实际“设计和实施”落地经验,分析了SDN系统架构层次,Neutron网络管理模块实现、管理和业务流量设计方法等。最后,对Vxlan的解决方案(硬交换机或软交换机)进行分析对比,可作为SDN设计和建设的参考。
As a resource service provider, cloud data centers must meet the requirements of different customer service products (such as firewalls, IPSec VPNs, load balancing, etc.) and secure inter-tenant security isolation. The introduction of SDN in the cloud data center is The inevitable trend. Based on the actual “Design and Implementation” landing experience in the cloud data center, this paper analyzes the hierarchy of the SDN system, the implementation of the Neutron network management module, and the management and traffic flow design methods. Finally, the Vxlan solution (hard switch or softswitch) for analysis and comparison, as SDN design and construction reference.