☁️ AWS 🚀 Cloudfront function vs Lambda@edge 🔥
Here's a comparison of CloudFront Functions and Lambda@Edge :
Execution: CloudFront Functions run at the edge, Lambda@Edge runs in AWS regions.
Latency: CloudFront Functions have sub-millisecond startup, Lambda@Edge has 10-100ms.
Runtime: CloudFront Functions use JavaScript, Lambda@Edge supports multiple languages.
Scaling: CloudFront Functions scale automatically, Lambda@Edge has concurrency limits.
Complexity: CloudFront Functions for simple tasks, Lambda@Edge for complex operations.
Event triggers: CloudFront Functions: viewer request/response; Lambda@Edge: all four events.
Execution time: CloudFront Functions limited to approx 1ms, Lambda@Edge up to 5-30 seconds.
Memory: CloudFront Functions have 2MB limit, Lambda@Edge up to 128MB.
Pricing: CloudFront Functions cheaper, Lambda@Edge more expensive but more powerful.
Use cases: CloudFront Functions for URL rewrites, headers; Lambda@Edge for authentication, larger transformations.