Service gateway for interactive television

摘要

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.

主权项

1. A method comprising:
receiving, at a service gateway, data from a service provider; generating a record of latencies for transmissions of data over a broadcast link and a point to point connection the record of latencies relating each of a plurality of sizes of data transmitted to an average delivery latency; selecting, using at least one hardware processor of the service gateway, one of the broadcast link and the point to point connection over which to transmit the data to a client device based on at least one characteristic of the data, at least one transmission characteristic of the broadcast link, at least one transmission characteristic of the point to point connection, and the record of latencies; and sending, from the service gateway, the data to the client device over the selected one of the broadcast link and the point to point connection.