The Cisco CE-507 is an edge appliance for delivering live or on-demand streaming media and other rich file formats to the desktop. Utilizing virtual private networks (VPNs) or public WANs, the Cisco CE-507 device monitors and adjusts to changing network conditions, proxies, and administrator parameters to acquire files automatically; even behind the security of a corporate firewall. The robust, high-performance Cisco CE-507 is ideal for enterprise, retail, and other broadband intranet and extranet services to deliver streaming media or static files to network-connected desktop PCs.