Patent ID: 9137326
Filing Date: 2015-09-15
Classification: G06F,H04L,H04Q

Abstract:
1. A method comprising: receiving, by a network device positioned between an optical line terminal (OLT) and a service provider device, a request identifying digital content from a first service delivery platform included in a plurality of service delivery platforms, the network device being positioned downstream of the service provider device and upstream of the OLT and each of the plurality of service delivery platforms; determining, by the network device, whether the digital content identified by the request is stored on a hot cache of the network device, wherein the digital content identified by the request comprises requested digital content; when the requested digital content is not stored on the hot cache, determining, by the network device, whether the requested digital content is stored on a wide cache of a second service delivery platform of the plurality of service delivery platforms; when the requested digital content is stored on the wide cache of the second service delivery platform, sending, by the network device, a backup request for the requested digital content to the second service delivery platform; receiving, by the network device and from the second service delivery platform, the requested digital content; and sending, by the network device, the received digital content to the first service delivery platform.