One of the more powerful features that is built into SIMPOL is the support for TCP/IP. This includes both client and server components. Using these components it is possible to build a wide range of programs that can interact natively with the Internet. Email clients, web servers, mail servers, file exchange servers and any number of other programs that might require communication over the Internet can be built on top of the SIMPOL sockets support. In this part we will explore basic client and server functionality, which the user can continue to expand upon as required.