COST VERSUS RELIABILITY ANALYSIS OF NEW TREE-BASED HYBRID PROTECTION ARCHITECTURE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM

Conventional optical code division multiple access (OCDMA) system for passive optical network (PON) has limited applications in providing protection to network components. This increases the overall downtime of PON, and reduce its feasibility for deployment at the access domain. Therefore, it is imperative to design an economical system that should be able to provide fault detection and restoration at both feeder and the distribution level. This paper focuses on design and analysis of a novel tree-based hybrid protection architecture for OCDMA system in order to make it economical and reliable for deployment at the access domain. It is observed that the proposed protection architecture provides desirable (5 nines) connection availability along with minimum cost as compared to existing tree based protection architectures.

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