US 12,750,429 B2 · Data broker and method

Abstract

A method performed at a data broker comprises receiving from a subscriber client a request for a subscription for sensor data transmitted by a sensor client, the request in accordance with a publish/subscribe messaging protocol, receiving sensor data from the sensor client, the sensor data published by the sensor client in accordance with the messaging protocol, and determining, in dependence on the sensor data and a current state of a state machine associated with the sensor client, whether the sensor data is to be subject to subscription processing. The method further comprises determining, in dependence on the receipt of the sensor data and the current state of the state machine, an updated state for the state machine, updating the state machine to the updated state, and if the data is to be subject to subscription processing, forwarding the data to the subscriber client in accordance with the messaging protocol.

Claims17

Dependent claims

A method performed at a data broker, the method comprising:

receiving from a subscriber client a request for a subscription for sensor data transmitted by a first sensor client, the request in accordance with a publish/subscribe messaging protocol,
receiving first sensor data from the first sensor client, the first sensor data published by the first sensor client in accordance with the messaging protocol,
determining, in dependence on the first sensor data and a current state of a state machine associated with the first sensor client, whether the first sensor data is to be subject to subscription processing,
determining, in dependence on the receipt of the first sensor data and the current state of the state machine, an updated state for the state machine,
updating the state machine to the updated state, and
if the first data is to be subject to subscription processing, forwarding the data to the subscriber client in accordance with the messaging protocol.

3 more elements

A method performed at a data broker, the method comprising:

receiving a message from a client in accordance with a publish/subscribe messaging protocol,
determining whether the message is within a category of messages associated with a state machine, wherein a current state of the state machine reflects the previous reception by the data broker of one or more messages within the category of messages,
if the message is within the category of messages then determining, based on the receiving the message, an updated state for a state machine and a function to be executed,
updating the state machine to the updated state, and
performing the function.

2 more elements

Dependencies are inferred from the claim text.

Data broker and method

Life of this patent

Data broker and method

Life of this patent

Abstract

Claims17