Patent ID: 8762707
Filing Date: 2014-06-24
Classification: H04L

Abstract:
1. A method for authorizing an end user computer to join a multicast group for receiving a requested content program in a content distribution network, the method comprising: in a service intelligence computer, receiving in a transmission using transport layer security from the end user computer, a service request including a token signed and transmitted to the end user computer by a third party content controller and containing identifications of the end user computer and of the requested content program, the third party content controller having no subsequent communication with the end user computer and the service intelligence computer; in the service intelligence computer, verifying the token as indicating that the end user computer is authorized to access the requested content program; mapping the end user computer to the multicast group; and transmitting to the end user computer credentials authorizing the end user computer to join the multicast group, the credentials being for including in a multicast-group-join request transmitted by the end user computer to a network resource, the multicast-group-join request comprising a nonce.