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Google Cloud Platform for Developers
book

Google Cloud Platform for Developers

by Ted Hunter, Steven Porter
July 2018
Intermediate to advanced content levelIntermediate to advanced
506 pages
16h 2m
English
Packt Publishing
Content preview from Google Cloud Platform for Developers

Topics and subscriptions

Cloud Pub/Sub operates on the basis of topics and subscriptions. When submitting a message to Cloud Pub/Sub, the message is written to a specific topic. Any number of subscriptions may be attached to a given topic, forming a one-to-many relationship. For each subscription, Cloud Pub/Sub maintains a separate message queue. Each message posted to a given topic will be written to every subscription attached to that topic. As a result, Cloud Pub/Sub follows a publisher-subscriber messaging pattern, where publishers do not maintain any reference to recipients.

The publisher-subscriber messaging pattern has several advantages when working in complex systems. Because the publisher is not concerned with which services receive ...
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Publisher Resources

ISBN: 9781788837675Supplemental Content