The HP ProCurve Access Controller 720wl resides between wireless access points and the network and enforces user authentication and access rights based on the point of network access and time of day. To ensure the highest level of data privacy, the Access Controller 720wl offers a choice of robust industry-standard security protocols to protect data transmitted between the network and wireless clients - at the edge, where your network is most vulnerable. The Access Controller 720wl manages all user sessions on connected access points, maintains session persistence, and enforces policy rights of users as they roam from one subnet to another. The Access Controller 720wl tracks all network activity and provides a detailed history of all user network activity.