Cloud Pub/Sub – Google Cloud’s messaging service.
Google Cloud Pub/Sub is a real-time messaging service that allows sending and receiving messages between independent applications. It provides exactly-once delivery semantics, automatic scaling, and global message replication. The service features message retention, subscription filters, and dead letter topics. Cloud Pub/Sub supports push and pull delivery modes, offers ordered message delivery, and includes snapshot/seek functionality for message replay. It integrates with Cloud Functions and Cloud Run for serverless event processing.
