Sans I/O when rubber meets the road

If you never heard of Sans I/O…

Sans I/O is a software design pattern for implementing network protocols.

An I/O-free library contains:

1. no network I/O;
2. no asynchronous control flow.

An I/O integration layer complements the library, connecting it to a network I/O framework, which usually involves asynchronous control flow.

While this may seem counter-intuitive, following this discipline is expected to yield significant benefits.

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