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Decentralized Collaborative Flow Monitoring in Distributed SDN Control-Planes

Key:HTRS19
Author:Rhaban Hark, Khalil Tounsi, Amr Rizk, Ralf Steinmetz
Date:March 2019
Kind:In proceedings - use for conference & workshop papers
Publisher:IEEE
Organization:GI/ITG
Book title:Conference on Networked Systems (NetSys'19)
Pages:1-8
Number of characters:51847
Research Area(s):Peer-to-Peer Networking
Abstract:The Software-defined Networking paradigm became widely accepted in academia as well as the industry in the last decade. The logically centralized control-plane provides simple mechanisms to support efficient monitoring as proposed in a plethora of works recently. However, existing works simplify the control-plane to a single entity whereas it is proven that the control-plane must be implemented physically distributed. To this end, we lately proposed D IST TM, a system to increase the efficiency while monitoring flows in distributed control-planes by eliminating redundant measurements of shared flows. The system is based on a centralized coordinator that introduces a single-point-of-failure and is vulnerable to network partitioning. To overcome this shortage, we propose a distributed algorithm to assign redundant measurement responsibilities to single controllers and share information among controllers in the work in hand. In an evaluation, we show that we decrease the number of measurements strongly and improve the load fairness among controllers through the collaboration of networks.
URL:http://www.netsys2019.org/accepted_papers/
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