SDN技术在电力企业数据中心应用的探索与研究

doi:10.11959/j.issn.1000-0801.2015128

Abstract

Abstract:

Along with the increasing development and the difficulty of network management of data center networks in State Grid，how to manage effectively data center networks in State Grid has become an urgent situation. Firstly，an innovation network architecture called software defined networking（SDN）was introduced. Then，a comprehensive survey on deployment strategies of SDN in the traditional data center networks was given. Finally，the deployment of cloud clients has been taken as an example to present a deployment of SDN in State Grid especially in the desktop cloud pool system，and the planned strategies and feasibility analysis were depicted.

Key words: software defined networking, data center network, cloud computing

Ningzhe Xing,Shun Wu,Ying Wan,Yadong Zhou,Chengchen Hu,Hongbo Zhao,Weichang Liu. Exploration and Research on the SDN Technology in Electric Power Companies[J]. Telecommunications Science, 2015, 31(5): 158-164.

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References 10

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	Google B4	Microsoft SWAN	Kandoo
结构特点	B4网络一共分为3个层次，分别是物理设备层、局部网络控制层和全局控制层。第一层的物理交换机和第二层的控制器在每个数据中心的内部出口的地方都有部署，第三层由多个控制器组成，每一个都相当于管理特定功能的控制器	SWAN中数据中心间只有一个控制器进行集中控制。服务主机和服务分解实时收集和评估主机上运行服务当前的需求并反馈给控制器。网络代理通过交换机记录拓扑和流量的改变，提交给控制器，控制器利用收集到的信息实现集中控制	Kandoo将控制平面分割为两个，一个对本地事件进行控制，另一个负责处理全局事件
主要区别	B4 主要侧重的是错误容忍以及恢复，所以布置了多个控制器	SWAN对网络更新时导致的流量改变进行了优化。其为每一条链路预留了一定的带宽，保证在流量临时改变时不会出现拥塞	Kandoo 是集中式的控制平面架构，局部控制器之间不需要通信，只有根控制器拥有全局视图

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Exploration and Research on the SDN Technology in Electric Power Companies

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