SAHAR: A control plane architecture for high available software-defined networks

被引:0
作者
Shetabi M. [1 ,2 ]
Akbari A. [1 ]
机构
[1] School of Computer Engineering, Iran University of Science and Technology
[2] Department of Computer Engineering, Yazd University
来源
Akbari, Ahmad (akbari@iust.ac.ir) | 1600年 / Inderscience Publishers, 29, route de Pre-Bois, Case Postale 856, CH-1215 Geneva 15, CH-1215, Switzerland卷 / 24期
关键词
Availability; Multiple-controllers; OpenFlow; SDN; Software-defined networking;
D O I
10.1504/IJCNDS.2020.107467
中图分类号
学科分类号
摘要
Software-defined networking (SDN) is an architectural paradigm which enables a centralised control by decoupling the data and control planes of a network. In reactive mode of SDN, the significant variation in flow arrival events places considerable stress on the control plane. Also, the existence of frequent events such as network-wide statistics collection which significantly interfere with the basic functions of control plane can drastically affect performance of control plane. Therefore, this paper introduces a new architectural model named SAHAR that uses a controller box consisting of a coordinator controller and a primary flow-setup controller and one or more secondary flow-setup controllers as needed. Assigning monitor and management tasks to the coordinator controller reduces the load on the flowsetup controllers. Also, dividing input traffic between flow-setup controllers by the coordinator controller distributes the load in the control plane. In this way, SAHAR achieves a high available SDN which can be scalable. © 2020 Inderscience Enterprises Ltd.
引用
收藏
页码:409 / 440
页数:31
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