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Operators face many challenges as they strive to keep pace with the demand for Ethernet-based business services from small, medium and large enterprises. In this very dynamic market, operators must respond with solutions that meet many criteria, including high availability, security, cost effectiveness, manageability, and scalability. This application note focuses specifically on current and potential scaling issues faced by incumbent and new operators delivering E-Line, ELAN and E-Tree Carrier Ethernet business services. To meet scalability requirements, Alcatel-Lucent recommends an approach that integrates the advantages of provider backbone bridges with multiprotocol label switching-enabled Ethernet. Together, these technologies enable scaling in terms of connectivity and addressing.
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