Google Cloud Pub/Sub
Google Cloud Pub/Sub is a fully managed messaging service that enables you to send and receive messages between independent applications. It decouples senders and receivers, allowing for asynchronous communication in event-driven architectures. Pub/Sub helps developers build scalable and reliable systems without the need to manage infrastructure or message queues. It supports real-time event processing, global distribution, and can handle large volumes of data with low latency.
Google Cloud Pub/Sub integrates easily with other GCP services, enabling seamless workflows in applications like real-time analytics, IoT systems, and microservices. Pub/Sub automatically scales to handle traffic, ensuring reliable message delivery even during high loads. You only pay for the messages published and delivered, making it a cost-effective solution for event-driven systems.

Google Cloud Pub/Sub – Use Cases
Google Cloud Pub/Sub is a flexible messaging service designed for event-driven architectures and scalable applications. Some common use cases include:
- Real-Time Event Processing: Process large streams of real-time data from IoT devices, sensors, or user interactions.
- Asynchronous Messaging: Implement decoupled communication between microservices, allowing systems to communicate without direct dependencies.
- Data Integration: Integrate data from different sources into data pipelines or analytics systems for real-time analytics or reporting.
Google Cloud Pub/Sub is particularly useful for applications that need to handle events or messages asynchronously, enabling scalability and reliability across various environments. It’s an essential component of many event-driven architectures, offering a flexible and efficient way to handle messaging needs.
Learn More
- An overview of GCP pub/sub: What is Pub/Sub? | Pub/Sub Documentation | Google Cloud
- There are many third-party articles that compare Pub/Sub to similar technologies from other vendors such as RabbitMQ or Kafka, see: Kafka vs Pub/Sub | Svix Resources, Google Pub/Sub Vs. Apache Kafka: Gluing Together Microservices | by Florian Tieben | Medium, RabbitMQ vs. Pub/Sub: Choosing a Message Queue for Your GCP Project — Part 2 – 3ap Engineering Blog (this is an interesting one as pub/sub was chosen because unlike most messaging technologies it offered a contractually assured SLA) and From In-House Managed RabbitMQ to GCP PubSub | by Liron Kreiss | Cybereason | Medium.