Intro
Table of Contents
About the Authors
About the Technical Reviewer
Introduction
Chapter 1: Networking Concepts
Client-Server Model
Connected vs. Connectionless Services
Packets
Connection-Oriented Service
Connectionless-Oriented Service
Physical Network Devices
Network Addressing
Media Access Control (MAC) Address
IP Address
Static IP Addresses
Dynamic IP Addresses
IP Address Format
Address Classification
Domain Name System
Sockets and Ports
What Is a Port Number?
What Is a Socket?

Open Systems Interconnection (OSI) Model
Command-Line Tools
Opening a Command Prompt
Hostname
Ping
IP Configuration
Address Resolution Protocol Cache
Network Status
Tracing the Route to the Server
Summary
Chapter 2: Serialization
Serialization Basics
JSON
Simple JSON Serialization/Deserialization
Binary Representation of a String
Binary
Simple Binary Serialization/Deserialization
Creating a Byte Array from a Struct
Re-Create an Object from a Byte Array
The Network Library NetLib
Summary
Chapter 3: RESTful APIs

What Is a RESTful API?
RESTful Requests
The Endpoint
A Method
The Headers
The Data
RESTful Responses
Authentication and Restrictions
The UnityWebRequest Class
Fetching Text
Fetching Images
Creating the Project
Fetching the Image
Fetching Other Types
The Weather Application
Registering and Getting an API Key
The User Interface
Creating the Project
Importing the weather-application.unitypackage
The OpenWeather Daily Forecast Endpoint
Fetching the Data
Serialization Classes
Calling the API
The Controller: Final Wiring

Running the Weather Application
Generic RESTful API Client
Summary
Chapter 4: TCP Connections
The TCP Three-Way Handshake
TCP Client-Server Connections
Socket Connections
Establishing a Socket Connection
Accepting a Socket Connection
Sending Data
Synchronous Send
Asynchronous Send
Receiving Data
Synchronous Receive
Asynchronous Receive
Hello World Using TCP Sockets
Simple Network Copier
TcpClient Connections
Sockets vs. TcpClient and TcpListener
Connecting to a Server Using TcpClient
Sending Data Using TcpClient

Reading Data Using a TcpClient
TcpListener: Accepting a TcpClient Connection
Hello World Example Using TcpClient and TcpListener
Tic-Tac-Toe
Starter Files
Getting Started
The Game Architecture
The Client
The Client Events
The TicTacToeClient
NetworkClient
The Message Queue
The Server
Serialization
NetLib Classes
MessageBuffer Class
NetworkClient Class
NetworkServer
Client and Server Classes
Messages
Client Classes
Server Classes
AppController
Running the Game
Summary
Chapter 5: Networking Issues
Authoritative Servers