Passive optical networks are an attractive alternative to copper for basic POTS delivery in the near term. Since PONS provide a direct photonic path between the exchange and the customer they offer the maximum opportunities for network evolution by allowing services to evolve naturally and independently in the market place.KEY WORDS Fibre optics Passive optical networks ENTRY STRATEGY
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.