Service gateway for interactive television

US9137554B2 · kind B2 · utility

Assignee

• OpenTV, Inc. · US

Inventors

• Rachad Alao · Montréal, CA
• Alain Delpuch · Paris, FR
• Vincent Dureau · Palo Alto, US
• Jose Henrard · Paris, FR
• Matthew Huntington · Teddington, GB
• Waiman Lam · Union City, US
• Taylor W. Kidd · Redwood City, US

Key dates

• Filing date: Dec 18, 2013
• Grant date: Sep 15, 2015
• Expiry date: Dec 18, 2033

Classification

• Technology area (CPC —): General

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.