© 2004 Cisco Systems, Inc. All rights reserved. ARCH v Module Summary The Enterprise Edge design methodology enables network designers to design WAN, Remote Access, and Internet Connectivity modules. Cisco WAN solutions help network designers build scalable networks and deliver business-critical services using the communications infrastructure. The remote-access server is an integral part of the total network solution and must scale to meet growing demand. The Internet Connectivity module provides services to enterprise users who want to access the Internet and to outside users who want access to company public services.