TAILIEUCHUNG - Managing Ethernet Services

A major telecommunications service provider chose to roll-out 10/100Base-T and Gigabit Ethernet services to business customers nationwide. With higher bandwidth and at a lower cost per bit than circuit-based data delivery such as T1 and T3, the new Ethernet LAN services would draw immediate interest from customers. Once the multi-service platform was selected for transport of 10/100Base-T over copper cabling and Gigabit Ethernet over fiber, attention turned to designing an infrastructure for management of a service offering that could impact operations across the country | Managing Ethernet Services for Profitability Situation A major telecommunications service provider chose to roll-out 10 100Base-T and Gigabit Ethernet services to business customers nationwide. With higher bandwidth and at a lower cost per bit than circuit-based data delivery such as T1 and T3 the new Ethernet LAN services would draw immediate interest from customers. Once the multi-service platform was selected for transport of 10 100Base-T over copper cabling and Gigabit Ethernet over fiber attention turned to designing an infrastructure for management of a service offering that could impact operations across the country. It was the healthy forecast of demand for these data services that raised a flag for network planners. As the Ethernet services scale installations would become more frequent and rearrangements of cables and Ethernet switches in the CO would become more common. The challenge was to build a network foundation today that would help restrain operating expenses and capital costs while maintaining service integrity. Solution Borrowing upon years of managing volume processes for voice services network planners decided that the infrastructure for new Ethernet services should be uniform across all COs. In addition it should offer efficiencies for adding customers installing and upgrading Ethernet switches and making other changes and rearrangements as required. ADC engineers proposed cabling Ethernet equipment in each CO to a centralized cross-connect called an Ethernet Distribution Frame EDF . By creating a common craft interface for adds upgrades and rearrangements on Ethernet equipment the EDF would enable change without service disruptions. The EDF provides a logical and easy-to-manage infrastructure due to two design characteristics All network elements have permanent equipment cable connections that are once terminated never handled again. All changes circuit rerouting upgrades maintenance and other activities are accomplished using semi-permanent

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