Node.js in Practice

Foreword

You have in your hands a book that will take you on an in-depth tour of Node.js. In the pages to come, Alex Young and Marc Harter will help you grasp Node’s core in a deep way: from modules to real, networked applications.

Networked applications are, of course, an area where Node.js shines. You, dear reader, are likely well aware of that; I daresay it is your main reason for purchasing this tome! For the few of you who actually read the foreword, let me tell you the story of how it all began.

In the beginning, there was the C10K problem. And the C10K problem raised this question: if you want to handle 10,000 concurrent network connections on contemporary hardware, how do you go about that?

You see, for the longest time operating ...