
AWS Lambda@Edge enables dynamic routing of live streaming events to MediaPackage origins through URL rewrites on CloudFront, eliminating the need to manually register and deregister origins for each event.


<div><p>This article explains how to use AWS Lambda@Edge with Amazon CloudFront to dynamically route live streaming requests to AWS Elemental MediaPackage origins without static configuration.</p><ul><li>Lambda@Edge rewrites viewer URLs to match unpredictable MediaPackage origin domains dynamically</li><li>Eliminates need to register/deregister origins in CloudFront for each live event</li><li>Single CloudFront distribution handles multiple events, reducing quota usage and operational overhead</li><li>Lambda function extracts MediaPackage prefix from URL path and reconstructs origin domain</li><li>Origin Shield minimizes Lambda invocations by caching at edge locations</li><li>Theoretical capacity: 500,000 requests per second with default Lambda quotas</li><li>Cost example: $0.66 for 100 requests/second over 3-hour event</li></ul><p>Lambda@Edge enables scalable, dynamic origin mapping for event-based media streaming without CloudFront distribution redeployment.</p></div>


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