Patent ID: 9402107
Filing Date: 2016-07-26
CPC Classification: H04L,H04N

Claim Text:
1. A method of operating a content delivery network, comprising: receiving a request from an Internet Protocol (IP)-capable client device in communication with the network, the request indicating particular IP packetized content which is desired for display at the client device; determining whether a multicast stream containing the requested IP packetized content exists and is currently being delivered via a multi-program transport stream (MPTS), the MPTS comprising both IP packetized and non-IP packetized content; when the determination indicates that a multicast exists, joining the existing multicast by receiving the MPTS; processing a stream of the IP packetized content of the MPTS to identify and re-format the multicast IP packetized content into a format capable of being utilized by the client device; causing delivery of the processed stream content to the client device; determining, subsequent to said causing delivery and via one or more identified network conditions, that the multicast is no longer appropriate; and based at least in part on the determining that the multicast is no longer appropriate, tearing down the multicast.