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answer: direct
beat: system-design
source: 1 article · updated: October 19, 2026
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What is different about AWS Lambda Web Functions?

A Web Function runs a standard Node.js HTTP server that listens on a port and receives direct web traffic through an AWS-provided HTTPS endpoint. One execution environment can handle multiple concurrent requests, unlike the usual one-request-at-a-time Lambda event model.

Answered in

Lambda Web Functions Put a Shared Node Server Behind an AWS Endpoint

AWS Lambda Web Functions run a standard Node.js HTTP server with concurrent requests. Learn the cost model, scaling limits and application risks to test.

Crashtech Editorial October 19, 2026 System Design & Architecture

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