Software-defined optical networks (SDONs): a survey

被引：57

作者：

Bhaumik, Partha ^{[1
]}

Zhang, Shuqiang ^{[1
]}

Chowdhury, Pulak ^{[1
]}

Lee, Sang-Soo ^{[2
]}

Lee, Jong Hyun ^{[2
]}

Mukherjee, Biswanath ^{[1
]}

机构：

[1] Univ Calif Davis, Dept Comp Sci, Davis, CA 95616 USA

[2] Elect & Telecommun Res Inst, Taejon 305606, South Korea

来源：

PHOTONIC NETWORK COMMUNICATIONS | 2014年 / 28卷 / 01期

关键词：

Software-defined networking; Optical networks; Flexible grid; Elastic rates; GMPLS; Network function virtualization (NFV); Unified control plane (UCP); CONTROL PLANE;

D O I：

10.1007/s11107-014-0451-5

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper gives an overview of software-defined optical networks (SDONs). It explains the general concepts on software-defined networks (SDNs), their relationship with network function virtualization, and also about OpenFlow, which is a pioneer protocol for SDNs. It then explains the benefits and challenges of extending SDNs to multilayer optical networks, including flexible grid and elastic optical networks, and how it compares to generalized multi-protocol label switching for implementing a unified control plane. An overview on the industry and research efforts on SDON standardization and implementation is given next, to bring the reader up to speed with the current state of the art in this field. Finally, the paper outlines the benefits achieved by SDONs for network operators, and also some of the important and relevant research problems that need to be addressed.

引用

页码：4 / 18

页数：15

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