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A Greedy Approach for Controller Placement in Software-Defined Networks for Multiple Controllers

Authors:
Stavroula Lalou
Georgios Spathoulas
Sokratis Katsikas

Keywords: Software Defined Networks, multiple controllers, con- toller placement, latency

Abstract:
The Controller Placement Problem (CPP) addresses the strategic positioning of SDN controllers within a network, crucial for efficient network management. It impacts network performance in latency, reliability, scalability, and resource usage. SDN architecture, separating control and data planes, enhances scalability and programmability compared to traditional archi- tectures. Determining the optimal number and placement of controllers is a key challenge, with network latency being a pri- mary performance factor. The study proposes a heuristic greedy algorithm to minimize end-to-end latency and reduce maximum latency between controllers and switches, aiming to mitigate controller queuing delay. Ultimately, deploying controllers in SDN-wide networks seeks to minimize maximum latency between controllers and switches.

Pages: 49 to 54

Copyright: Copyright (c) IARIA, 2024

Publication date: June 30, 2024

Published in: conference

ISBN: 978-1-68558-180-0

Location: Porto, Portugal

Dates: from June 30, 2024 to July 4, 2024