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Chapter 19: Internet Programming: Sockets and Indy
Overview
Chapter 20 is devoted to server-side web programming, Chapter 21 covers IntraWeb, and Chapters 22 and 23 discuss XML and web services.In this chapter I'll begin by looking at the sockets technology in general; then I'll move to the use of the Internet Direct (Indy) components supporting both low-level socket programming and the most common Internet protocols. I will introduce some elements of the HTTP protocol, leading up to building HTML files from database data.Although you probably just want to use a high-level protocol, the discussion of Internet programming starts from the core concepts and low-level applications. Understanding TCP/ IP and sockets will help you grasp most of the other concepts more easily.
