Instruction: Describe how to implement rate limiting in a Node.js application to prevent abuse and manage load.
Context: The candidate needs to detail methods for imposing rate limits on API or route requests in Node.js applications, discussing middleware, storage mechanisms, and handling limit breaches.
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Firstly, the core concept of rate limiting is to restrict the number of requests a user can make to an API within a certain time frame. This not only helps in preventing abuse but also in managing server load effectively.
In my approach, I would utilize middleware, as it offers a convenient way to intercept and analyze requests before they reach their intended routes. Middleware functions in Node.js can inspect requests, perform necessary checks, and decide whether to pass the request down the line or block it....