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Improvement of Unicast Traffic Performance in High-availability Seamless Redundancy (HSR) Using Port Locking (PL) Algorithm  

Abdulsam, Ibraheem Read (명지대학교 정보통신공학과 Ubiquitous&Convergence 연구실)
Kim, Se Mog (명지대학교 정보통신공학과 Ubiquitous&Convergence 연구실)
Choi, Young Yun (명지대학교 정보통신공학과 Ubiquitous&Convergence 연구실)
Rhee, Jong Myung (명지대학교 정보통신공학과)
Publication Information
Journal of Satellite, Information and Communications / v.9, no.1, 2014 , pp. 51-56 More about this Journal
Abstract
High-availability seamless redundancy (HSR) is a protocol for fault-tolerant Ethernet (FTE) networks. It provides two frame copies and each copy is forwarded on a separate physical path, which provides zero fail-over time. Therefore, the HSR is becoming a potential candidate for various real-time FTE applications. However, the generation and circulation of unnecessary frames due to the duplication of every sending frame is inherent drawback of HSR. Such drawback degrades the performance of the network and may deplete its resources. In this paper, we present a new algorithm called port locking (PL) based on the media access control (MAC) address to solve the abovementioned problem in popular connected-rings network. Our approach makes the network gradually learn the locations of the source and the destination nodes without relying on network control frames. It then prunes all the rings that do not contain the destination node by locking corresponding rings' entrance ports. With the PL algorithm, the traffic can be significantly reduced and therefore the network performance will be greatly enhanced specially in a large scale connected-rings network. Analytical results are provided to validate the PL algorithm.
Keywords
HSR; Connected-ring; Port Locking; Unicast; Traffic performance;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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