Patent ID: 7450940
Filing Date: 2008-11-11
Classification: H04L,H04W

Abstract:
1. A wireless network for providing continuous communication service to mobile units within a virtual network without the need to install software on the mobile units, said virtual network comprising: at least two access controllers; at least one radio unit having control and data path linkage to and communicating with each of said at least two access controllers, wherein packet based communications between radio units and each respective linked access controller have two separate layers, mobile units initially connecting to the virtual network connecting to an access controller through one of the radio units and associating with the connected access controller as a home access controller, and while each mobile unit is connected to the virtual network, other access controllers are foreign access controllers for said each mobile unit; a virtual network manager (VN manager) in one of said at least two access controllers configured to maintain a virtual network configuration record including all active access controllers within the virtual network including home and foreign access controllers and to disseminate said virtual network configuration record to all active access controllers; said all access controllers being configured to: