TAILIEUCHUNG - Practical considerations in the European market for building and future-proofing robust, flexible FTTN infrastructures

The European market presents service providers with some unique challenges in pushing fiber closer to the end user. With virtually no overhead distribution and very little buried fiber cable, a new physical plant is unlikely. Rather, service providers are seeking the best way to use existing ducted infrastructure—and network planners must be willing to consider what architectures will best serve their needs today and in the foreseeable future. ADC has taken the lead in successfully developing equipment and systems that meet the needs of service providers worldwide—each with their own unique set of challenges. Although, from a practical standpoint, FTTN architectures in Europe differ substantially from other parts of. | Practical considerations in the European market for building and future-proofing robust flexible FTTN infrastructures The European market presents service providers with some unique challenges in pushing fiber closer to the end user. With virtually no overhead distribution and very little buried fiber cable a new physical plant is unlikely. Rather service providers are seeking the best way to use existing ducted infrastructure and network planners must be willing to consider what architectures will best serve their needs today and in the foreseeable future. ADC has taken the lead in successfully developing equipment and systems that meet the needs of service providers worldwide each with their own unique set of challenges. Although from a practical standpoint FTTN architectures in Europe differ substantially from other parts of the world there are some issues that planners need to consider in the early stages of planning how best to get fiber closer to the subscriber. Ducts are here to stay Most areas of Europe have copper cabling that runs through an intricate system of buried ducts between nodes. Historically the network planners have only run fiber a straight cable and a straight splice from one building they own to another building they also happen to own. A distributed architecture that feeds multiple nodes and offers redundant routes has not really been a viable option for them. Building fiber rings where there has never been fiber is an expensive and disruptive operation. To deploy the ducts necessary to build any ring architecture would require tearing up both public and private property to link the trees and branches of the network. Even running fiber down existing copper-filled duct lines presents challenges and offers little in terms of flexibility or easy fiber access for reconfigurations or troubleshooting. Still like elsewhere in the world service providers in Europe are facing the task of building next-generation networks to increase available .

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