The author discusses the implementation of a multi-connection echo server using individual socket polling with AFD. They compare this approach to an earlier set-based method, highlighting the scalability benefits of individual polling. The new method reduces complexity and uses the IOCP for handling completions efficiently. Important details such as the use of the `Exclusive` flag and associating sockets with IOCP are elaborated upon. Performance considerations between independent polling and set polling are also discussed.
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