September 2012
Intermediate to advanced
268 pages
8h 7m
English
book
Building Smarter Planet Solutions with MQTT and IBM WebSphere MQ Telemetry
by Valerie Lampkin, Weng Tat Leong, Leonardo Olivera, Sweta Rawat, Nagesh Subrahmanyam, Rong Xiang, Martin Keen
Content preview from Building Smarter Planet Solutions with MQTT and IBM WebSphere MQ Telemetry
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Chapter 6. Scaling a system 185
6.2.3 Communication sequence
The following steps take place when provisioning a new connection under the PROV pattern:
1. The device that wants to communicate with the central system connects to the
provisioning service and provides its unique device ID.
2. The provisioning service selects a queue manager for the device and records the
association in the database.
3. The provisioning service returns queue manager connection information to the device,
which stores it for future use.
4. The device uses the stored connection information to connect to the queue manager. The
same connection information will be used each time until the device is reprovisioned or
configured again.
5. The device subscribes to a unique topic ...
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