Pub/Sub Introduction

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Google Cloud PubSub

1. Pub/Sub Introduction
Pub/Sub is an asynchronous messaging service that decouples services that produce events from services that process events. You can use Pub/Sub as messaging-oriented middleware or event ingestion and delivery for streaming analytics pipelines. We will talk here what is publisher/subscriber model and how it solved problems in traditional messaging services.

2. Pub/Sub Architecture
Pub/Sub is an asynchronous messaging service designed to be highly reliable and scalable. The service is built on a core Google infrastructure component that many Google products have relied upon for over a decade. We will talk here how pub/sub looks like inside in terms of architecture.

3. Pub/Sub Message Receiving
Pub/Sub delivers each published message at least once for every subscription. we will talk here about different ways(Pull and Push methods) to receive messages in pub/sub and what is difference in both.

4. Pub/Sub Multiple Message Receiving
Pub/sub guarantees at least once delivery for each message to each subscription but sometimes situations can happen when a single message is delivered multiple times. Here, It is explained that what are the different reasons for such issues and how we can handle such situations.

5. Pub/Sub Message Ordering
Pub/Sub don't offer message ordering and there is a very significant reason for not offering message order, We will talk here why pub/sub don't offer message ordering. what is order means and how to handle orders in pub/sub.

6. Pub/Sub Access Control & Monitoring
Google has a very powerful access control system named as IAM or Identity access management, Only authorized users can access the messages. We will talk here how we can manage access with pub/sub.

7. Pub/Sub Integrations
Pub/Sub can be integrated with many other services as a source and destination data source. we will talk here what are different GCP products that can be integrated with pub/sub