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Home > Web Development > Web Programming > WebSockets Protocol Explained 2024 Master Your Web Development
WebSockets Protocol Explained 2024 Master Your Web Development
WebSockets Protocol Explained 2024 Master Your Web Development

WebSockets Protocol Explained 2024 Master Your Web Development: Master Real-Time Communication in Web Development with WebSockets

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Can$132.99
Video Nov 2024 12hrs 26mins 1st Edition
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Key benefits

  • Comprehensive overview of WebSockets from setup to real-world application
  • Hands-on projects using the WebSocket API for interactive client-server communication
  • Deep dive into network layers, data frames, and WebSocket security

Description

Master the art of real-time communication in web development with this comprehensive WebSockets course. Start with the essentials of HTTP, TCP/IP, and persistent connections to build a solid foundation, then dive into the mechanics of WebSockets. Learn about use cases, the handshake process, and the WebSocket API. Use tools like Wireshark to explore networking layers and understand how WebSockets optimize client-server data exchange. Through hands-on projects, develop practical skills in setting up and managing WebSocket connections, handling messages, and using event-driven APIs. Delve into advanced topics like WebSocket data frames, binary data, and security measures. Explore alternatives like AJAX, polling, and Server-Sent Events to make informed decisions for your projects and learn best practices for scaling WebSocket applications and managing CORS. By the end of the course, you’ll have the knowledge and skills to create efficient, interactive, and scalable web applications using WebSockets, positioning yourself as a leader in real-time web communication.

Who is this book for?

This course is ideal for intermediate to advanced web developers interested in mastering WebSockets for real-time communication. Basic knowledge of JavaScript, HTTP, and web development principles is recommended.

What you will learn

  • Differentiate between HTTP, TCP/IP, and WebSocket protocols
  • Establish and manage WebSocket connections in web applications
  • Analyze data frames, headers, and event-driven WebSocket interactions
  • Implement WebSocket features in real-time project environments
  • Explore alternatives to WebSockets and scalability considerations
  • Debug and optimize WebSocket performance for efficient data exchange

Product Details

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Publication date, Length, Edition, Language, ISBN-13
Publication date : Nov 19, 2024
Length: 12hrs 26mins
Edition : 1st
Language : English
ISBN-13 : 9781837027255
Category :
Web Development
Concepts :
Web Programming

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Publication date : Nov 19, 2024
Length: 12hrs 26mins
Edition : 1st
Language : English
ISBN-13 : 9781837027255
Category :
Web Development
Concepts :
Web Programming

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Table of Contents

7 Chapters
WebSockets Introduction Chevron down icon Chevron up icon
Section intro
What is the "internet"
What is the HTTP protocol
Using Wireshark to prove TCP is persistent
AJAX and Comet
WebSockets Introduction
WebSocket history and specifications
RFCs - did you know?
WebSockets - use cases
WebSockets are a communications protocol
Examining the HTTP protocol using (1) Dev Console and (2) CURL
Introduction to WebSockets, TCP, and IP
MTU and Maximum Segment Size
Summary of TCP and IP
WebSocket Networking Chevron down icon Chevron up icon
TCP handshake introduction
Examining the TCP handshake in Wireshark
The TCP/IP model (4 layer model)
Layer 1: Application Layer
Layer 2: Transport Layer: Ports
Example: creating a custom port number to establish a connection
Layer 2: Transport Layer: Segments and Headers
Layer 3: Internet Layer
Layer 4: Network Layer & MAC addresses
Using Tracert to analyze hops, and Network layer summary
Summary - WebSockets and the Network Layers
Sockets vs WebSockets
Opening A WebSocket Connection Chevron down icon Chevron up icon
Section Intro
Opening a WebSocket connection
The HTTP handshake process
The WebSocket API in the Dev Console and the TCP handshake
WebSocket is an event-driven API
End-to-end vs hop-by-hop HTTP headers
The Upgrade and Connection headers explained
Sec-WebSocket-* Headers Introduction**
Sec-WebSocket-Key Header
Manually calculating Sec-WebSocket-Key
Final words on Sec-WebSocket-Key
Base64 Encoding - intro
Base64 Encoding - Summary and Example
Fun Example: How to encode the rocket emoji?
Sec-WebSocket-Accept
Sec-WebSocket-Protocol
Sec-WebSocket-Version & Sec-WebSocket-Extensions
Section Summary & Outro
Using the WebSocket API Chevron down icon Chevron up icon
Section Intro
The client WebSocket object - opening a WebSocket connection
Project introduction and overview
WebSocket Demo - building the HTML
WebSocket Demo - building the CSS
WebSocket Server Code - Part 1 - Creating the HTTP server
WebSocket Server Code - Part 2 - Importing the "websocket" module using NPM
WebSocket Server Code - Part 3 - Spinning up our WebSocket server
Project: The WebSocket API - Establishing a WebSocket connection
WebSockets are HTTP compatible
Example: a server can run multiple socket connections simultaneously
WebSocket API - binaryType and bufferedAmount
WebSocket API - extensions and protocols
Introduction to the readyState property
Project code - disable button when clicked, and add dynamic status update
Project: listen for the OPEN EVENT
Using the onopen event to change text dynamically
WebSocket Messages and Data - Introduction
Project: listening for the MESSAGE EVENT
Styling our table element
Project: listening for the CLOSE EVENT
Project: listening for the ERROR EVENT
Closure codes and the wasClean property
Examining all 4 values of the readyState property
WebSocket API Methods - send() and close()
The CloseEvent and MessageEvent interface
Project: using the send() method to send data to the server
Closing a connection
Project: using the close() method to close the WebSocket connection
The "reason" argument to the close() method
Examining the closing handshake at the TCP & WebSocket level
Challenge: I want you to improve project code
Solution: amending our project code to handle different closure types
Using the switch expression to improve our code
Fun lecture - examining Live Server WebSocket code
WebSocket Data Frames Chevron down icon Chevron up icon
Section intro
How HTTP/1.1 handles data
How HTTP/2 handles data
Capturing SSL/TLS keys and configuring Wireshark to capture HTTP/2 traffic
HTTP/2 Binary Frames - Intro to how the HTTP/2 protocol is negotiated
HTTP/2 Binary Frames - Intro to HPACK
HTTP/2 Binary Frames - What a "FRAME" looks like
WebSocket frames - the 6 types
Examining a WebSocket closure frame - opcode 0x8
Examining a WebSocket ping frame - opcode 0x9
WebSocket frame header size - min and max
WebSocket data fragmentation
What are WebSocket Reserved Bits used for
Control and non-control frames
Masking Bit
Masking - introduction
Example of cache poisoning
Payload length bits
Maximum size of a WebSocket frame payload
HTTP vs WebSockets
Outro
AJAX, Polling, Server-Sent Events, and CORS Chevron down icon Chevron up icon
Misconceptions about concurrent WebSocket connections
Short Polling - an alternative to WebSockets
Long Polling - an alternative to WebSockets
Server-Sent Events - an alternative to WebSockets
WebSockets over HTTP/2
Does HTTP/2 replace WebSockets?
WebSockets over HTTP/3
CORS and WebSockets
Scaling WebSockets
Outro Chevron down icon Chevron up icon
Outro

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About the author

Profile icon SkillZone
SkillZone
In today's rapidly evolving workplace, it is imperative to make sure you have the skills and expertise required to succeed. SkillZone has a simple goal - teaching complicated concepts in an effortless way. They are Johannesburg-based and create quality, easy-to-understand eLearning solutions. They ensure that the learning materials and delivery approach are aligned to meet intended outcomes and address your specific training needs without covering topics that may be unnecessary or irrelevant. Their goal is to help you with in-depth learning whilst avoiding the pitfalls that they discovered the hard way.
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