×

Digital television application protocol for interactive television

DC
  • US 7,490,346 B2
  • Filed: 02/01/2002
  • Issued: 02/10/2009
  • Est. Priority Date: 02/02/2001
  • Status: Active Grant
First Claim
Patent Images

1. A method for providing communication in a distributed computer system comprising:

  • providing a client compatible communication transport protocol on a client device, the transport protocol residing on at least one of the client device data link, network, transport and session layers of a network model, for sending a message from the client device and receiving a message at the client device, the message containing at least one of application code, control, data, and audio/visual data; and

    providing an application level communication protocol for transmission of a message between the client device and a server, the application level communication protocol running on top of the client compatible communication transport protocol;

    providing a data name service table for matching application server identifiers and application server attributes, the application server attributes comprising host name, port and type;

    providing a matching table between a session identifier and session a message queue; and

    answering name queries posted to the session a message queue.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×