AWS Serverless Microservices with Patterns and Best Practices - Polling Events and Event Source Mappings - Lambda Invoca

The video tutorial covers Amazon AWS SQS and Lambda invocation types, focusing on synchronous and asynchronous communication. It explains event source mapping, polling communication, and how Amazon SQS can be used to decouple microservices. The tutorial also discusses the use of queues and streams as polling event sources to support asynchronous processing.

Explain the concept of event source mapping in the context of AWS Lambda.

What role do queues and streams play in buffering incoming Lambda requests?