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http://dx.doi.org/10.5573/ieie.2016.53.9.026

Dual Process Linear Protection Switching Method Supporting Node Redundancy  

Kim, Dae-Ub (ETRI, Dept. of InfoComm Engineering, Chungnam National University)
Kim, Byung Chul (Dept. of InfoComm Engineering, Chungnam National University)
Lee, Jae Young (Dept. of InfoComm Engineering, Chungnam National University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.53, no.9, 2016 , pp. 26-37 More about this Journal
Abstract
The core technologies of the current transport network are OAM and protection switching to meet the sub-50ms protection switching time via a path redundancy when a link or node failure occurs. The transport networks owned by public network operators, central/local governments, and major enterprises are individually configured and managed with service resiliency in each own protected sub-network. When such networks are cascaded, it is also important to provide a node resiliency between two protected sub-networks. However, the linear protection switching in packet transport networks, such as MPLS-TP and Carrier Ethernet, does not define a solution of dual node interconnection. Although Ethernet ring protection switching covers the dual node interconnection scheme, a large amount of duplicated data frames may be flooded when a failure occurs on an adjacent (sub) ring. In this paper, we suggest a dual node interconnection scheme with linear protection switching technology in multiple protected sub-networks. And we investigate how various protected sub-network combinations with a proposed linear or ring protection process impact the service resiliency of multiple protected sub-networks through extensive experiments on link and interconnected node failures.
Keywords
resiliency; linear; ring; protection switching; node redundancy;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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