A system and method for providing roaming access on a network are disclosed. The network includes a plurality of wireless and/or wired access points. A user may access the network by using client software on a client computer (e.g., a portable computing device) to initiate an access procedure. In response,...http://www.google.ca/patents/US20030233580?utm_source=gb-gplus-sharePatent US20030233580 - Authorization and authentication of user access to a distributed network communication system with roaming features