Service gateway for interactive television

Details Service gateway for interactive television Service gateway for interactive television

2007-12-04

2007-12-04

Kelley, Chris (Department: 2623)

Interactive video distribution systems

Video distribution system with upstream communication

Server or headend

C725S110000, C725S131000, C725S138000, C725S139000, C725S144000, C725S151000, C709S203000, C709S217000

Reexamination Certificate

active

09858436

ABSTRACT:
A service gateway provides a proxy between a client protocol and a plurality of standard communication protocols. The service gateway provides asymmetrical routing, data compression and encryption to optimize client processing power and communication link bandwidth. The service gateway enables content translation between clients and service providers. The service gateway keeps track of client available memory and sequence numbers in messages to generate error codes when applicable. A store and forward message capability is provided along with abstract session identifiers. The service gateway supports user datagram protocol.

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