Most corporations, large and small, fully recognize the necessity of company-wide network connectivity. In some cases, security concerns prompt limited user access out to the Internet; in other cases Internet-based applications are the basis for competitive advantage and CapEx savings. In all cases, this reliance on the network causes corporate users to request more and more flexibility in accessing the network.

New and temporary offices must be connected to the Internet and headquarters networks. Network administrators receive increasing move/add/change requests as employees and visitors move between buildings, sites, countries and customer offices - and incur considerable costs in fulfilling these requests. The desire for mobility is so strong that users will buy and install unauthorized wireless access points to facilitate access.