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http://dx.doi.org/10.3745/KIPSTC.2011.18C.6.423

Deployment and Performance Analysis of Nation-wide OpenFlow Networks over KREONET  

Hong, Won-Taek (한국과학기술정보연구원, 성균관대학교 전자전기컴퓨터공학과)
Kong, Jong-Uk (한국과학기술정보연구원)
Chung, Jin-Wook (성균관대학교 정보통신공학부)
Publication Information
The KIPS Transactions:PartC / v.18C, no.6, 2011 , pp. 423-432 More about this Journal
Abstract
Recently, OpenFlow has been paid attention to as a fundamental technology which provides a function of virtualization and programmability in network. In Korea, deployment of OpenFlow networks in campuses and the interconnection between them through tunneling in layer 3 has been performed. However, the performance of the interconnected networks is decreased due to delay in IP layer. In this paper, we design and deploy nation-wide, not local, OpenFlow networks in a pure layer 2 environment over KREONET. After that, we do end-to-end Round-trip Time measurements and TCP/UDP performance tests in OpenFlow and normal networks, and do comparison and analysis on the test results. The results show that the nation-wide OpenFlow networks provide equal performance to normal networks except for the initial packet loss for UDP streaming. In regards to the performance decrease due to early UDP packet loss, we can mitigate it by implementing exceptional procedures in a controller which deal with the same continuous "Packet_in" events.
Keywords
OpenFlow; KREONET; End-to-End Performance; Programmability; Controller;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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