A communication network includes a plurality of nodes, selectively including a client, a remote gateway Internet service provider, the Internet, a local enterprise gateway, and an enterprise internal network. A local coincident endpoint is established at the local gateway for an outer connection with...http://www.google.se/patents/US20020136210?utm_source=gb-gplus-sharePatent US20020136210 - System and method for virtual private network network address translation propagation over nested connections with coincident local endpoints
