Part B - Networking Projects - Implement TCP/IP Stack in C from Udemy

Welcome to the Part-B of the TCP/IP Stack Development Course Series. This is a sequel course to Part-A in which we implemented a pseudo TCP/IP Stack working in Virtualized topology.

In this Course, We shall be implementing more advanced and additional features to our Pseudo TCP/IP Stack and would try to impart a more realistic flavor to it.

We will resume from where we left in Part-A. If you have signed up for this course, I presume you have completed Part-A of the course and we are ready for another roller coaster ride into our project.

This course is Advanced as compared to Part-A. In this course we will learn some more aspects of TCP/IP stack and in general, how Networking software is developed. You will not only doing Networking Based Programming but also, you will continue doing a typical Linux based System Programming development as Networking is strongly tied to System Programming.

Student Level: Intermediate to Advanced to Working Professionals, Beginners in Coding pls excuse this course.

Table of Contents

1. What is this Course all about?

2. Project 1 : Interface Management and Statistics

Enable/Disable an Interface
Gathering Interface Rx/Tx Statistics

3. Project 2 : Implementing the Packet Generator

Create and Feed Pkt stream into Topology

4. Project 3 : Implementing Routing Table Construction Algorithm

Designing Data Structure
Shortest Path First Algorithm in Detail
Implementation Strategy
Testing SPF Algorithm Implementation
Route Calculation

5. Project 4 : Logging Infra

Track Ingress and Egress pkts per device per interface
Track L3 Path taken by a pkt from src to dst

6. Project 5 : Notification Chains

Introduction to NFC
Understand with the help of Example
Writing a Generic NOTIF Infra code
Writing TCP/IP Stack NFC
Implement Publisher Subscriber APIs
See NFC in Action

7. Project 6 : Working with Timers

Implementing Ageism
Implement Timer State Machine

What's inside

Learning objectives

Working with timers in networking domain
How to implement networking oriented algorithms
Implement callback registration model

Parsing and cooking network packets
Notification chains
Developing more realistic virtual networking device environment

Working with timers in networking domain
How to implement networking oriented algorithms
Implement callback registration model
Parsing and cooking network packets
Notification chains
Developing more realistic virtual networking device environment

Syllabus

What is this Course all About ?

Agenda

End Product of this Course

Join Telegram Group

APIs to parse and format standard headers

Traffic lights

Read about what's good

what should give you pause

and possible dealbreakers

Builds upon the concepts taught in Part A, which may provide a more complete and cohesive learning experience for those who have already completed the first course

Focuses on practical implementation of a TCP/IP stack in C, which is highly relevant for those seeking hands-on experience in networking software development

Explores topics such as interface management, packet generation, routing table construction, and logging infrastructure, which are essential for understanding and developing networking systems

Requires completion of Part A, which may be a barrier for learners who are new to the topic or do not have the prerequisite knowledge

Involves Linux-based system programming, which may require learners to have familiarity with the Linux operating system and related development tools

Uses C, which is a lower-level language that requires careful memory management and can be more challenging to debug than higher-level languages

Reviews summary

Hands-on tcp/ip stack implementation

According to students, this course offers a deep, practical dive into implementing a TCP/IP stack in C. Learners particularly praise the extensive hands-on projects which they describe as highly valuable and unique, providing a real-world feel for networking software development. The instructor's expertise and the quality of the provided code are also frequently highlighted as strengths, making complex topics understandable. While overwhelmingly positive, many note the course is quite challenging and requires a strong background in C programming and completion of Part A.

Knowledgeable instructor, well-structured code.

"The instructor clearly knows his stuff and explains complex concepts well. The provided code is also easy to follow."

"Excellent instructor who is very knowledgeable. The code base for the project is well-structured and a great learning resource."

"I appreciated the quality of the code provided, it helped me understand the implementation details clearly."

Thorough explanations of complex topics.

"Provides deep insights into the inner workings of networking software. The explanations are detailed and comprehensive."

"Instructor goes into significant depth on topics like routing algorithms and notification chains."

"I learned so much about low-level networking thanks to the detailed explanations and implementation."

Building a functional TCP/IP stack in C.

"The hands-on coding and projects are the strongest part of the course for me. Building a TCP/IP stack is a unique experience."

"This course is all about doing. The practical project is challenging but incredibly rewarding and reinforces concepts."

"Implementing the various parts of the stack was the most valuable takeaway, it gave me a real feel for networking code."

Demanding course requiring strong C skills.

"This course is definitely not for beginners. You need a solid background in C and must have completed Part A."

"It is challenging and requires significant time and effort, but it's worth it if you are prepared."

"Requires strong prerequisite knowledge. Don't attempt this unless you are comfortable with advanced C programming."

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Part B - Networking Projects - Implement TCP/IP Stack in C with these activities:

Review TCP/IP Fundamentals

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Solidify your understanding of TCP/IP fundamentals to better grasp the advanced concepts covered in this course.

Browse courses on TCP/IP

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Review the OSI model and the TCP/IP model.
Study the different layers and their functions.
Understand the concepts of IP addressing, subnetting, and routing.

Brush Up on C Programming

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Sharpen your C programming skills, especially in areas like pointers and memory management, which are crucial for implementing a TCP/IP stack.

Browse courses on C Programming

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Review pointers, memory allocation, and data structures in C.
Practice writing C code for networking-related tasks.
Work through C programming exercises and tutorials.

Read 'TCP/IP Illustrated, Volume 1: The Protocols'

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Study a classic text on TCP/IP to gain a deeper understanding of the protocols and their implementation.

View TCP/IP Illustrated: The Protocols, Volume 1... on Amazon

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Read the chapters relevant to the course projects.
Take notes on key concepts and implementation details.
Refer to the book when working on the projects.

Four other activities

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Follow Linux System Programming Tutorials

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Enhance your Linux system programming skills to effectively develop networking software.

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Find tutorials on socket programming and network configuration.
Implement the examples provided in the tutorials.
Experiment with different system calls and libraries.

Implement a Simple Packet Sniffer

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Build a packet sniffer to observe network traffic and understand how packets are structured and exchanged.

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Use libpcap or similar library to capture network packets.
Parse the packet headers to extract relevant information.
Display the captured data in a user-friendly format.

Contribute to a Networking Project

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Contribute to an open-source networking project to gain real-world experience and learn from experienced developers.

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Find an open-source networking project on GitHub or GitLab.
Identify a bug or feature to work on.
Submit a pull request with your changes.

Study 'UNIX Network Programming, Volume 1: The Sockets Networking API'

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Delve into the details of socket programming with a comprehensive guide.

View Unix Network Programming: The Sockets... on Amazon

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Read the chapters on socket creation, binding, and listening.
Implement the examples provided in the book.
Experiment with different socket options and configurations.

Career center

Learners who complete Part B - Networking Projects - Implement TCP/IP Stack in C will develop knowledge and skills that may be useful to these careers:

Network Programmer

A Network Programmer focuses on writing code to enable communication between computers and devices over a network. They develop network applications, implement network protocols, and ensure efficient data transfer. This course provides a strong foundation for Network Programmers by focusing on core networking concepts such as TCP/IP stack implementation. The course includes projects on packet generation, routing algorithms, and logging, which are very beneficial to a Network Programmer. The hands-on experience with C programming in a network context makes this course a very good fit for this role.

See salaries and explore the career path for Network Programmer

Network Software Engineer

A Network Software Engineer designs, develops, and maintains software for network devices and systems. This role involves creating and implementing network protocols, managing network traffic, and ensuring the reliability of network infrastructure. This course is highly relevant, as it focuses on the practical implementation of a TCP/IP stack in C, including interface management, packet generation, routing algorithm construction, and logging infrastructure. The course directly helps build a foundation in networking software development. The hands-on projects that are offered will help Network Software Engineers to understand the intricacies of network programming.

See salaries and explore the career path for Network Software Engineer

System Programmer

A System Programmer develops and maintains the core software components of operating systems and other low-level system software. System programmers need to be proficient in languages like C and have an understanding of computer architecture. This course is helpful because it incorporates significant aspects of system programming within the context of networking. The course's focus on Linux based system programming development, and the implementation of a TCP/IP stack, enables system programmers to understand how low-level processes connect with network functionality to create complex systems.

See salaries and explore the career path for System Programmer

Firmware Engineer

A Firmware Engineer writes low-level code that controls the hardware of devices, often involving real-time constraints and direct interaction with hardware components. They ensure that hardware components operate as expected and efficiently. This course may be useful for Firmware Engineers because it combines low-level programming with networking concepts. The course's focus on implementing a TCP/IP stack in C provides valuable insight into network communication and hardware interaction. The projects that focus on interface management and packet handling are directly relevant to a Firmware Engineer.

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Embedded Systems Engineer

An Embedded Systems Engineer develops software and firmware for embedded systems, which often involves working closely with hardware components and real-time operating systems. This often requires a deep understanding of low-level programming and hardware interaction. This course may be useful because it provides practical experience with low-level software development for networking. The projects, covering topics such as interface management, statistics gathering, and packet generation, provide skills crucial for an Embedded Systems Engineer working with network-enabled embedded devices.

See salaries and explore the career path for Embedded Systems Engineer

Network Analyst

A Network Analyst monitors and analyzes network performance, identifies network issues, and provides recommendations for improving network efficiency and security. Their job involves analyzing network traffic and system logs. This course offers a practical perspective of network operations, as it includes extensive work with implementation of core components of a TCP/IP Stack. The course includes projects which can help a Network Analyst understand packet flow, routing, and network statistics. This is a good fit and may improve overall performance as a Network Analyst.

See salaries and explore the career path for Network Analyst

Network Administrator

A Network Administrator manages and maintains computer networks, ensuring that they operate efficiently and securely. This includes configuring network devices, troubleshooting network issues, and implementing security protocols. This course may be helpful for Network Administrators who want a deeper understanding of network protocols and how they are implemented. The course dives into the intricacies of TCP/IP stack implementation, which should provide a solid, practical foundation for understanding the systems that Network Administrators work with. The projects focusing on routing tables, and network statistics, in particular, may be valuable for Network Administrators seeking an advanced understanding.

See salaries and explore the career path for Network Administrator

Cybersecurity Engineer

A Cybersecurity Engineer protects computer systems and networks from cyber threats. This role involves designing and implementing security measures, analyzing security risks, and responding to security incidents. This course may be useful for Cybersecurity Engineers who want to deepen their understanding of network protocols and the low level details of network packet flow. The course's projects, which include packet generation and logging, can be valuable for understanding how network traffic can be monitored and analyzed for security purposes. Having a detailed knowledge of the architecture of network operations is useful for security professionals.

See salaries and explore the career path for Cybersecurity Engineer

DevOps Engineer

A DevOps Engineer focuses on automating and streamlining the software development lifecycle, including software deployment, infrastructure management, and continuous integration and delivery. This role requires an understanding of both development and operations. This course may prove useful for DevOps Engineers by providing a deeper understanding of networking, which is often a critical component of infrastructure management. The course's focus on the TCP/IP stack and Linux system programming within a network context would allow DevOps Engineers to gain knowledge of the low-level aspects of networking and system programming.

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Software Developer

A Software Developer designs, develops, and tests software applications. They are responsible for the entire lifecycle of software development, from requirements gathering to deployment and maintenance. This course may be useful for Software Developers who are interested in networking fundamentals or building systems that rely on network communication. The course's projects in C with a real-time system and network focus helps build foundations for networking software development. Software Developers who wish to improve their low level and system level skills may find this course highly valuable.

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Cloud Engineer

A Cloud Engineer designs, builds, and manages cloud infrastructure and services. They are responsible for ensuring that cloud systems are scalable, reliable, and secure. This may be useful for Cloud Engineers because it offers an understanding of fundamental network operations, especially how networks operate at a low level. While many cloud functions are abstracted from the user, having a grasp of the low level fundamentals will allow a Cloud Engineer to better troubleshoot and optimize cloud network environments. The hands-on projects involving TCP/IP stack development provide practical insight.

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Research Scientist

A Research Scientist engages in scientific research and experimentation, often in a specialized field. They conduct studies, analyze data, and publish findings. This role often requires an advanced degree (master's or phd). This course may be useful for Research Scientists focusing on networking, distributed computing, or embedded systems. The hands-on experience with TCP/IP stack implementation, routing algorithms, and logging infrastructure, can be valuable for researchers who work on new networking protocols or system architectures. This course provides practical and applied knowledge.

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Solutions Architect

A Solutions Architect designs high-level system architectures and solutions to meet business needs. This involves understanding business requirements, translating them into technical specifications, and ensuring that the chosen solutions are scalable and efficient. This course may be useful for a Solutions Architect who needs to understand low level network systems within the context of building systems. The course's focus on TCP/IP stack implementation and the ability to create a custom logging system may be valuable. Having an understanding of network systems from the ground up can be advantageous.

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Data Center Engineer

A Data Center Engineer is responsible for the physical infrastructure and systems within a data center, ensuring that they operate efficiently and reliably. This includes maintaining servers, network equipment, power systems, and cooling infrastructure. This course may be helpful for a Data Center Engineer seeking a deeper understanding of networking fundamentals, particularly how they are implemented at a foundational level. The course's focus on low-level network operations and TCP/IP stack implementation can improve performance in the role. The course's projects, such as implementing timers, and notification chains, provide a good foundation of system programming.

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Technical Consultant

A Technical Consultant provides expert advice and guidance to clients on technology-related matters. They analyze client needs, propose technical solutions, and support the implementation of those solutions. This course may be relevant for Technical Consultants who require a solid technical background in networking. This course's focus on low level network protocols and systems programming provides a good foundation for understanding complex network systems. The hands on projects in this course, including packet analysis, and building logging infrastructure will be helpful to a Technical Consultant.

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Reading list

We've selected two books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Part B - Networking Projects - Implement TCP/IP Stack in C.

TCP/IP Illustrated

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Provides an in-depth look at the TCP/IP protocol suite. It highly regarded reference for understanding the intricacies of TCP/IP. It is commonly used by networking professionals and students alike. This book adds depth to the course by providing detailed explanations and diagrams of the protocols.

TCP/IP Illustrated: The Protocols, Volume 1...

Kindle Edition

UNIX Network Programming: The sockets networking API

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Comprehensive guide to socket networking in UNIX environments. It provides detailed explanations and examples of how to use the sockets API. It valuable resource for understanding the underlying mechanisms of network communication. This book is commonly used as a textbook in university courses on networking.

Unix Network Programming: The Sockets Networking...

Hardcover

$$$$

Part B - Networking Projects - Implement TCP/IP Stack in C

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What's inside

Learning objectives

Syllabus

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Reviews summary

Hands-on tcp/ip stack implementation

Activities

Career center

Reading list

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