Patent Document ID: 8140630
Application ID: 12365409

Base Claim:
1. A method of operating a publish/subscribe message broker comprising: receiving a message on a topic from a publisher; identifying the message as a start of a sequence of messages; transmitting the message to one or more existing subscribers to the topic; and transmitting, in response to a new subscriber registering to the topic and a further message associated with the sequence being received on the topic from a publisher, the further message to the one or more existing subscribers to the topic, but not to the registered new subscriber to the topic.

---

Claim 3:
3. The method according to claim 1 , further comprising: receiving a yet further message on the topic, identifying the yet further message as an end of the sequence of messages, and transmitting each further message on the topic not associated with the sequence to the one or more existing subscribers to the topic, and to the registered new subscriber to the topic.