The centralization of access to shared services provides a common point of policy enforcement and
control for all VPNs. This is referred to as the services edge functional area. Services edge has more of
a logical than a physical meaning. In a specific network design, the point of policy enforcement can be
physically located in a specific area of the network, but in certain cases, it might also be spread around
For related information, see the following documents:
• Network Virtualization—Guest and Partner Access Deployment Guide (OL-13635-01)
• Network Virtualization—Network Admission Control Deployment Guide (OL-13636-01)
• Network Virtualization—Path Isolation...