Changing Demands of the Enterprise

摘要

1. Many enterprises are interested in out-sourcing their VPN and security "applications" 1.1 Eliminate proliferation of point-products 1.2 Easier to manage 1.3 Carriers can offer economy-of -scale 1.4 Can be done by IP Service Switches 2. Enterprises are also looking for the integration of their existing Frame Relay and ATM services with IP and MPLS networks and services 2.1 This can be provided by Service Gateways 2.2 Virtual Routing is a key enabling technology for Service Gateways