Pub/Sub is a messaging system in Google Cloud Platform that enables two or more applications to send messages to each other. Pub/Sub messages are delivered asynchronously, and can be read by any application that is subscribed to the message topic.
This type of messaging system can be used to send updates to a group of applications, or to send alerts to all of the applications in a given instance or zone. In addition, Pub/Sub can be used to send messages between processes running in different zones or instances.
The benefits of using Pub/Sub include the following:
– Messages are delivered asynchronously, which means that the processing time for messages is not impacted by the number of subscribers.
– Pub/Sub is a low-latency messaging system.
-Messages can be read by any application that is subscribed to the message topic.
PRO TIP: Pub/Sub is a messaging service that decouples services that produce and consume messages. It can be used to build robust, scalable systems with no single point of failure.
However, Pub/Sub is not a traditional message queue or enterprise messaging system, and it does not offer guarantees about message delivery order or exactly-once delivery. If your application requires those guarantees, you should use a different messaging system such as Cloud Storage notifications or Cloud Functions triggers.
– Pub/Sub is a message- Passing mechanism for distributing work between processes in different zones or instances.
– Pub/Sub is a scalable messaging system.
The primary disadvantage of Pub/Sub is that it is not a message-based system. This means that messages cannot be sent between applications that are running on the same machine.
In addition, Pub/Sub is not a broadcast system, which means that messages are not delivered to all of the subscribers.
Overall, Pub/Sub is a powerful messaging system that can be used to distribute updates to a group of applications, or to send alerts to all of the applications in a given zone or instance.
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Pub/Sub is a powerful messaging system that enables applications to send and receive messages across multiple nodes. It is a core part of the Google Cloud Platform platform and can be used to communicate with applications running in the Google Cloud Platform Platform. Pub/Sub can be used to send messages to and receive messages from any Google Cloud Platform service.
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