The high capacity wireless controller is ideal for offering services such as voice over Wi-Fi, IP-based video, secure enterprise access, and tiered Wi-Fi services in venues such as Large and medium-sized enterprises, and schools. It can be deployed in any Layer 2 or Layer 3 network structure without changing any network architecture or hardware equipment, enabling wireless users to roam seamlessly across different areas of the network, meeting the security and session integrity of mobile roaming, and fully satisfying the data interaction and smooth voice of Wi-Fi voice communications.