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IP VPNs: Migration by integration

IP VPNs provide flexible connectivity but the QoS advantages of existing networking technologies like ATM cannot be ignored. A hybrid network of both old and new will be the best solution towards migration to IP VPNs.

Lost enterprises now have a wide range of data communication requirements tasked with supporting or serving a growing diversity of functions - both in the profile of the sites that need to be connected and the traffic that flows between them. Locations are increasingly varied, ranging from corporate headquarters to regional, branch and home offices, to mobile workers with PDAs and mobile phones. Traffic varies from relatively predictable host-to-host batch transfer, to highly ...

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