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== Lambda Destinations vs. Dead Letter Queues ==
AWS Lambda Destinations provide advanced error handling and routing capabilities compared to Dead Letter Queues (DLQs). While DLQs only capture failed asynchronous invocations for manual processing, Lambda Destinations support both synchronous and asynchronous invocations. Lambda Destinations allow routing to various targets, such as Amazon SQS, SNS, EventBridge, or another Lambda function, based on the outcome of the invocation (success or failure). Destinations also include the ability to capture detailed contextual information about the invocation, such as request and response payloads, aiding in more granular monitoring and troubleshooting. This feature facilitates more dynamic and automated error-handling workflows in serverless applications. <ref>{{Cite book |title=Programming AWS Lambda: Build and Deploy Serverless Applications with Java |publisher=O'Reilly Media |isbn=9781492041023}}</ref><ref name=":1">{{Cite book |last=Cui |first=Yan |title=Serverless Architectures on AWS |publisher=Manning |year=2020 |isbn=978-1617295423 |edition=2nd}}</ref>
==Portability==
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