Book Image

Hands-On Network Programming with C# and .NET Core

By : Sean Burns
Book Image

Hands-On Network Programming with C# and .NET Core

By: Sean Burns

Overview of this book

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.
Table of Contents (26 chapters)
Free Chapter
1
Section 1: Foundations of Network Architecture
6
Section 2: Communicating Over Networks
10
Section 3: Application Protocols and Connection Handling
15
Section 4: Security, Stability, and Scalability
21
Section 5: Advanced Subjects

Summary

In this chapter, we learned everything there is to know about the OSI network model. First, we learned about the governing bodies that defined the standard reference model, including when and why they set out to solve the problem of unified network modeling. Then, we took a close look at the model they defined, including looking at every layer in their stack, and what responsibilities entities in those layers assume. We learned about how protocols define standardized communication patterns for entities operating on the same level in the network stack, but on separate hosts on a network. We saw how service definitions allow entities to pass data through the network stack and deliver messages to remote entities.

We also took a close look at some of the most common communication protocols, which we'll be interacting with in the rest of this book. We started with the...