摘要当今,传统的网络结构已经不能够满足对大数据、云计算、虚拟化技术的应用需求。可编程的软件定义网络(SDN,software defined network)作为新兴的网技术,强调数据层面和控制层面分离,根据实际情况在API接口上编写特定的网络互联协议,提高实际网络的灵活性,进而提高网络链路的利用率。
1McKeown N, Anderson T, Balakrishnan H, et al. Open- Flow: Enabling Innovation in Campus Networks[J]SIGCOMM Computer Communication Review, 2008, 38(2): 69-74.
2Natash Gude, Teemu Koponen, Justin Pettit, et al. NOX:Towards An Operating System for Networks. ACM SIGCOMM Computer Communication Review, v.38 n.3, July 2008.
4Sherwood, Gibb, Appenzeller, et al. FlowVisor: A Network Virtualization Layer. OpenFlow Consortium, October2009-01.
5ONF Market Education Committee. Software-Defined Networking: The New Norm for Networks, April 13, 2012.
6http://opennetsummit.org.
7McKEOWN N, ANDERSON T, BALAKRISHNAN H, et al. Open- Flow : enabling innovation in campus networks [ J ]. ACM SIGCOMM Computer Communication Review,2008,38(2) :69-75.
9Open Network Foundation (ONF). Software defined networking:the new norm for networks[ EB/OL]. https ://www. opennetworking, org/ images/stories/dowuloads/white-papers/wp-sdn-newnorm, pdf.
