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http://dx.doi.org/10.3745/KTCCS.2017.6.11.453

Performance Analysis and Optimization of OpenDaylight Controller in Distributed Cluster Environment  

Lee, Solyi (충북대학교 정보통신공학부)
Kim, Taehong (충북대학교 정보통신공학부)
Kim, Taejoon (충북대학교 정보통신공학부)
Publication Information
KIPS Transactions on Computer and Communication Systems / v.6, no.11, 2017 , pp. 453-462 More about this Journal
Abstract
OpenDaylight is an SDN (Software Defined Networking) open source framework, which is popular in network fields recently. This paper analyzes the performance of a controller cluster architecture by focusing on distributed datastore and Raft leader election algorithm. In addition, we propose an enhanced version of Raft algorithm in order to improve the performance of distributed datastore by distributing shard leaders over controller cluster. This paper compares the conventional Raft algorithm with the proposed version of the Raft algorithm. Moreover, we compare the performance of distributed datastore according to shard roles such as leader and follower. Experimental results show that Shard leaders provide better performance than followers and Shard updating requests need to be distributed over multiple controllers. So, by using proposed version of Raft algorithm, controller performance can be improved. The details of the experiment results are cleary described.
Keywords
SDN; OpenDaylight; Cluster; Throughput; Performance; Raft algorithm; Leader Election;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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