Building Loosely Coupled Applications with Amazon SQS and SNS
The ability to build resilient and scalable applications is crucial in the cloud infrastructure landscape. AWS provides two key services supporting loosely coupled systems architecture: Amazon SQS and Amazon SNS. These services are essential for developers implementing robust distributed systems by facilitating asynchronous communication between decoupled components, a central theme for the AWS Certified Developer Associate exam.
AWS services, such as Application load balancers, also enable building loosely coupled architectures using synchronous replication. The added benefit of asynchronous architectures is that messages can be held in queues temporarily, allowing downstream components to retrieve those messages when they are ready to process them.
The next subsection provides an in-depth review of the Amazon SQS service.