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Part one of the book will start by exploring the various network architectures that make distributed programming possible in the first place. It will examine the standards adhered to by hardware and software vendors to allow communication across networks, including the DNS naming system, IPv4 and IPv6 standards for device addressing, and local hardware-level APIs and data structures that allow users to program for those networks, with basic examples of C# software that leverage or demonstrate these concepts.

The following chapters will be covered in this section:

Chapter 1, Networks in a Nutshell
Chapter 2, DNS and Resource Location
Chapter 3, Communication Protocols
Chapter 4, Packets and Streams

Description

The C# language and the .NET Core application framework provide the tools and patterns required to make the discipline of network programming as intuitive and enjoyable as any other aspect of C# programming. With the help of this book, you will discover how the C# language and the .NET Core framework make this possible. The book begins by introducing the core concepts of network programming, and what distinguishes this field of programming from other disciplines. After this, you will gain insights into concepts such as transport protocols, sockets and ports, and remote data streams, which will provide you with a holistic understanding of how network software fits into larger distributed systems. The book will also explore the intricacies of how network software is implemented in a more explicit context, by covering sockets, connection strategies such as Transmission Control Protocol (TCP) and User Datagram Protocol (UDP), asynchronous processing, and threads. You will then be able to work through code examples for TCP servers, web APIs served over HTTP, and a Secure Shell (SSH) client. By the end of this book, you will have a good understanding of the Open Systems Interconnection (OSI) network stack, the various communication protocols for that stack, and the skills that are essential to implement those protocols using the C# programming language and the .NET Core framework.

What you will learn