This edition has been expanded to include new advances such as support for IPv6 and detailed strategy defensive programming. If you program using Java, be sure to check out this companion book, TCP / IP Sockets in Java: Practical Guide for Programmers, Issue 2. Including the really new and expanded that discusses IPv6 network environment, defensive programming, and call () system select, thus allowing the reader to the program in accordance with the latest standards for internetworking. Efficient and concise guidance in relation to the code line by line commentary allows readers to quickly web-based application programs without having to wade through unrelated network teaching and discursive. Grant readers access to source code online, which can then be used to directly implement socket programming procedures.