The new Cisco 500 Series content engines offer the latest in hardware technology and performance and will ship installed with the latest Cisco Application and Content Networking System (ACNS) Software, providing the industry-leading solution for caching, streaming, and content delivery.The Cisco 566 Content Engine replaces the Cisco 565A Content Engine as the new midrange edge delivery platform for regional offices or larger branch offices. The Cisco 566 Content Engine can be configured as a content distribution manager or a content router in a Cisco ACNS deployment or as a Cisco IP/TV Program Manager in a Cisco IP/TV deployment.