WSEAS Transactions on Circuits and Systems
Print ISSN: 1109-2734, E-ISSN: 2224-266X
Volume 14, 2015
99.99% Availability Realization of CATV Networks with Operation Maintenance and Administration Capability
Authors: ,
Abstract: Cable Television (CATV) networks have become the preferred transmission infrastructure to provide integrated high-quality services, and 99.99% availability is the specified ideal target of HFC networks. This paper focuses on the realization of 99.99% availability by operation, administration and maintenance (OAM). In order to ensure the network availability by OAM, the importance of reducing MTTR (Mean Time to Repair) is investigated, and three key influence factors are pointed out, which are the network design structure, the equipment MTBF, and the equipment MTTR. Following which, by comparatively studying three typical network models, the specific measures to improve network availability are developed. The key idea is to select reasonable network structure by combining available operation and maintenance. The numerical results clearly show that these measurements could achieve the availability goal of 99.99%.
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Pages: 312-319
WSEAS Transactions on Circuits and Systems, ISSN / E-ISSN: 1109-2734 / 2224-266X, Volume 14, 2015, Art. #36