Abstract: A method of controlling a device via the Internet comprising the steps of; generating a device instruction, encoding the device instruction using an Internet protocol, transmitting the encoded device instruction to a message broker, and transmitting a message request to the message broker encoded using an Internet protocol to receive device information received by the message broker.

Abstract: A message broker is described for providing remote access to an intranet, the message broker comprising a permanent message channel, a client adapter and a server channel adapter, the client adapter being operable to receive a request encoded in an Internet protocol format comprising request information, place a message comprising destination information and the request information in the permanent channel, the message broker being operable to establish a temporary message channel on receipt of a request, the server channel adapter being operable to receive a message request from the intranet encoded in an Internet protocol and identifying the permanent channel, send a pull request to the permanent channel and transmit a message contained in the permanent channel to the intranet, receive a message from the intranet comprising response information, and place a message comprising the response information in the temporary channel, the client adapter being further operable to send a pull request to the temporary

Abstract: A method of controlling a device via the Internet comprising the steps of;

Abstract: A message broker for transmitting message from a first client system to a second client system, the message broker comprising at least one message channel, a first channel adapter and a second channel adapter,