Network Programming with Go

Learn to Code Secure and Reliable Network Services from Scratch
by Adam Woodbeck
March 2021, 392 pp.
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Go combines the best parts of many other programming languages. It’s fast, scalable, and designed for high-performance networking and multiprocessing—in other words, it’s perfect for network programming.

Network Programming with Go is for developers ready to start leveraging Go’s ease of use for writing secure, readable, production-ready network code. Early chapters establish a foundation of networking and traffic-routing know-how upon which the rest of the book builds. You’ll put that knowledge to use as author Adam Woodbeck guides you through writing programs that communicate using TCP, UDP, Unix sockets, and other features that ensure reliable data transmission. As you progress, you’ll explore higher-level network protocols like HTTP and HTTP/2, then build applications that securely interact with servers, clients, and APIs over a network using TLS.

In addition, Woodbeck shows you how to create a simple messaging protocol, develop tools for monitoring network traffic, craft a custom web server, and implement best practices for interacting with cloud providers using their SDKs. Along the way, you’ll learn:

  • IP basics for writing effective network programs, such as IPv4 and IPv6 multicasting, ports, and network address translation
  • How to use handlers, middleware, and multiplexers to build capable HTTP-based applications with minimal code
  • The OSI and TCP/IP models for layered data architectures
  • Methods for reading data from/writing data to a network connection, like the type-length-value encoding scheme
  • Tools for incorporating authentication and encryption into your applications using TLS, like mutual authentication
  • How to serialize data for storage or transmission in Go-friendly formats like JSON, Gob, XML, and protocol buffers
  • How to Leverage Go’s code generation support to efficiently communicate with gRPC-based network services

So get ready to take advantage of Go’s built-in concurrency, rapid compiling, and rich standard library. Because when it comes to writing robust network programs, it’s Go time.

Author Bio 

Adam Woodbeck is a senior software engineer at Barracuda Networks, where he implemented a distributed cloud environment in Go to supplant the previous cloud infrastructure, profoundly increasing its scalability and performance. He’s since served as the architect for many network-based services in Go.

Table of contents 

Part I: Network Architecture
Chapter 1: An Overview of Networked Systems
Chapter 2: Resource Location and Traffic Routing

Part II: Socket-Level Programming
Chapter 3: Reliable TCP Data Streams
Chapter 4: Sending TCP Data
Chapter 5: Unreliable UDP Communication
Chapter 6: Ensuring UDP Reliability
Chapter 7: Unix Domain Sockets

Part III: Application-level Programming
Chapter 8: Writing HTTP Clients
Chapter 9: Building HTTP Services
Chapter 10: Caddy: A Contemporary Web Server
Chapter 11: Securing Communications with TLS

Part IV: Service Architecture
Chapter 12: Data Serialization
Chapter 13: Logging and Metrics
Chapter 14: Moving to the Cloud