METHOD OF CHOOSING A CONFIGURATION OF A HIGH AVAILABILITY DISTRIBUTED CONTROL PLATFORM FOR TRANSPORT SOFTWARE-DEFINED NETWORKS

Современные информационные технологии и IT-образование

Vasily N. Pashkov¹ 

[1] Lomonosov Moscow State University, Moscow, Russia;

关键词: Software defined networks (SDN);    OpenFlow protocol;    distributed controller;    distributed control platform;    network architecture;    high availability;    fault tolerance;    controller failure;    backup controller;    controller placement;   

DOI  :  10.25559/SITITO.14.201802.355-367

来源: DOAJ

【 摘 要 】

The method of choosing a configuration of a high availability distributed control platform (HA DCP) for transport software-defined networks is considered.To provide fault tolerance to single controller failures the following aspects are affected in this problem: the choice of the controller instance location in the nodes of the transport SDN, the choosing of the primary and backup controllers for each switch, determining the optimal number of active controllers for distributed control platform. The minimization of delays in the transmission of control messages between the controller and the switch is a criterion for optimizing the controller placement. In the case of a single controller failure, the management of the switches is distributed among the active backup controllers. A complex method for solving this problem is proposed, including algorithms on graphs, clustering algorithms, and an algorithm for solving the Boolean linear programming problem, which allows selecting the location of the controllers in the network and the configuration of the primary and backup controller for each switch. The proposed method is implemented as a software tool. An experimental investigation of the developed method on the topologies of real transport networks is carried out.

【 授权许可】

Unknown