Patent ID: 8982738
Filing Date: 2015-03-17
Classification: G06F,H04L,H04M,H04W

Abstract:
1. A method of serving media, the method comprising: receiving a request to serve media content to a user equipment; receiving caching information regarding the media content, the caching information comprising information regarding whether the media content requested by the user equipment is cacheable; and assigning a first media server from a hierarchical set of media servers to serve the user equipment if the media content to be served is cacheable, the hierarchical set of media servers comprising a plurality of first type layer3 (L3) based media servers deployed in a plurality of layer2 (L2) access networks and a plurality of second type L3 based media servers deployed in a plurality of L3 networks, the user equipment being coupled to a content delivery network through a layer2 access network of the plurality of L2 access networks, wherein a hierarchy of the hierarchical set of media servers comprises a first level, a second level, and a third level, wherein the first type L3 based media servers are configured to interface with L2 nodes in the L2 access networks via an inter working function unit (IWF) and with L3 nodes in the L3 networks via a separately routable internet protocol (IP) address.