Best Message-Oriented Middleware for AWS Lambda

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Amazon Simple Notification Service is a fully managed messaging platform that allows for system-to–system and app-to–person (A2P), communication. It allows you to communicate between systems using publish/subscribe patterns (pub/sub), which allow messaging between decoupled microservice apps. You can also communicate directly with users via SMS, mobile push, and email. The system-to–system pub/sub functionality allows for topic-based, high-throughput push-based, many–to-many messaging. Your publisher systems can use Amazon SNS topics to fanout messages to large numbers of customer endpoints or subscriber systems, including Amazon SQS queues and AWS Lambda functions. You can send messages to large numbers of users using the A2P messaging functionality. This allows you to use either a pub/sub or direct-publish message using one API.

Amazon EventBridge is a serverless event bus that makes it easy to connect applications together using data from your own applications, integrated Software-as-a-Service (SaaS) applications, and AWS services. EventBridge provides a stream of real time data from event sources like Pagerduty, Datadog, and Zendesk. It routes that data to AWS Lambda. To build applications that respond in real-time to all your data sources, you can set up routing rules. EventBridge makes it easy for you to create event-driven apps. It handles event ingestion, delivery, authorization, security, and error handling. Your applications will become more interconnected by events. You need to spend more time finding and understanding the structure of events in order to write code that reacts to them.

AWS IoT Core allows you to connect IoT devices directly to the AWS cloud without having to manage or provision servers. AWS IoT Core supports billions of devices and trillions in messages. It can process and route these messages to AWS endpoints as well as other devices securely and reliably. AWS IoT Core allows your applications to keep track of all your devices and communicate with them even when they're not connected. AWS IoT Core makes it easy for you to use AWS services such as Amazon Kinesis and Amazon SageMaker, Amazon DynamoDB and Amazon CloudWatch, Amazon CloudTrail, Amazon QuickSight and Amazon CloudWatch. This allows you to create IoT applications that collect, process, analyze, and act upon data generated from connected devices without the need to manage any infrastructure. AWS IoT Core lets you connect any number devices to the cloud, and to other devices, without having to manage servers.