Patent ID: 7916682
Filing Date: 2011-03-29
Classification: H04L,H04W

Abstract:
1. A network, comprising: a first wireless switch which supports a first subnet, wherein the first wireless switch is configured as part of a first mobility domain; a second wireless switch which supports a second subnet, wherein the second wireless switch is configured as part of the first mobility domain, wherein the first wireless switch and the second wireless switch communicate with each other over a control connection and a data tunnel to exchange complete Layer-2 (L2) packets between the first wireless switch and the second wireless switch; a peering mechanism in the first mobility domain configured to establish a peering session that transfers wireless client device mobility-related control plane information over the control connection between the first wireless switch and the second wireless switch, and a wireless client device having a first layer 3 (L3) address, wherein the wireless client device retains its first L3 address when roaming between the first wireless switch and the second wireless switch.