Communication protocol for content on demand system with...

Details Communication protocol for content on demand system with... Communication protocol for content on demand system with...

2006-07-18

2006-07-18

Srivastava, Vivek (Department: 2617)

Interactive video distribution systems

User-requested video program system

Video-on-demand

C725S031000, C380S200000

Reexamination Certificate

active

07080397

ABSTRACT:
A transaction protocol for communicating between an encryption renewal system communicably coupled to one or more video on demand systems via a communication network. The encryption renewal system permits pre-encrypted content to be accessed by clients of the video on demand systems. The protocol comprises, receiving, by the encryption renewal system, a request transaction document having a first format from the video on demand system; parsing the request transaction document to retrieve data from the request transaction document; generating a request object code in a second format for processing by encryption renewal system, the request object code based on the data in the request transaction document; responsive to processing of the request object code, generating a response object code having the second format; converting the response object code to a response transaction document having the first format; and forwarding the response transaction document to the video on demand system.

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patent: 6415031 (2002-07-01), Colligan et al.
patent: 6681326 (2004-01-01), Son et al.
patent: 2003/0140340 (2003-07-01), Bertram
patent: WO 98/43426 (1998-10-01), None
patent: WO 00/67483 (2000-11-01), None
patent: WO 00/79365 (2000-12-01), None

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