15. Understanding Domain Name System (DNS) 

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1. Networking Concepts and Programming from Scratch

Function of TCP/IP Stack (OSI Model)

Explain the L2 routing concepts

Dynamic construction of L3 Routing Table

Socket Programming from scratch
L2switch and L3 router functioning
Packet journey through the layers of TCP/IP stack
Understand the concept of TLVs
Concept of packet encapsulation
Understand Domain Name System (DNS)
Virtual LANs (VLANs) and routing in VLANs
Broadcast domain and collision domain
Take Away:

--Confident at answering networking related question
--Learn linux system programming side by side
--Open up opportunities to networking/system programming companies
--Coding assignments and projects
--Socket programming concepts

2. Linux Inter Process Communication

Variuos IPC Techniques

IPC Technique 1 -Unix Domain Sockets

Data Synchronization - IPC Project part 1

IPC Technique 2 - Message Queue

Bi-Directional Communication

IPC Technique 3 - Shared Memory

Data Synchronization - IPC Project part 2

IPC Technique 4 -Signals

Data Synchronization - IPC Project part 3

IPC Technique 5 - Network sockets

Project on Socket Programming - IPC Project 4

Multiplexing on Different IPCs

Take Away:

--able to Design Application which require IPC

--Understand the Linux IPC programming interface

--Prepare for IPC based interview Questions

--How to choose the best IPC mechanism

3. Implement Remote Procedure Calls (RPC) from Scratch

Concept of Data Serialization and DeSerialization
Implementation Remote procedure calls
State Synchronization

4. Linux System Programming Techniques & Concepts

Header File Management
Creating Linux Libraries
Static & Dynamic Linking
Stages of Compilation Process

Writing Makefiles
Generic Programming

Iterative Macros

Glue based DataStructures
Opaque Pointers

TLV Based Communication
Machine Endianness

Understanding Virtual Memory

How stack Memory works - Procedure call and returns
Understanding CPU registers  - ebp, esp, eax
Heap Memory Management,Heap Memory Management

Problem of Fragmentation
How Malloc works behind the scenes
Paging and page tables in details
Multi Level Paging and Demand paging
Memory Mgmt in Multi-thread Process

Take Away:
--Prepare for interview Questions
--Stack Memory, Stack overflow, Stack Corruption, Stack Registers
--Use of function pointers as Callbacks
--Understand  Complete Memory Management in Linux

5. System Project - Write a Garbage Collector from Scratch

Understand why Leak happens

Implement Memory leak Detection algorithm

Print leak objects by application,Print leak objects by application
Detect Danging pointers

Interview Question: Why C doesn't have java like GC

6. Data Structures to Design and      Implement Timers and Counters

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TCP IP Stack layer functions
UDP Vs TCP
TCP ARQ Challanges

TCP Segments and Sequence No.
TCP Connection Management
Who is Client and Who is Server ?
3-way handshake Explained
Sequence Numbers Consumption Rules
TCP Connection Timeout and Exponential Backoff
TCP Timeout and Retransmission
TCP RTO Problems if computed Wrongly
Expectations from TCP when Segment loss occurs
TCP Exponential backoff
TCP Retransmission Ambiguity Problem
Karn's Algorithm

Karn's Algorithm Illustration
Redundant Retransmission due to dupACK
Selective Acknowledgement (SACKs)
TCP Data flow and Window Management
Data Accumulation - TCP Nagle Algorithm

TCP Probe Segments

Problem of Silly Window Syndrome  (SWS)
TCP Congestion Control Procedures
Congestion Control Algorithms
Slow Start and Congestion Avoidance Algo Explained
Concept of Fast Recovery

Take Away:
-- Difference between Connection-Oriented and Connection-less state
-- TCP Internal functionality and Mechanism
-- Various other complexties of TCP protocol explained in a simplest possible way
-- Understand how TCP is designed and why
-- Understand TCP graphs and why they look like they are

-- handle any interview Question on TCP

7. Master Class - Understanding TCP/IP Protocol

8. Linux Kernel Programming Part 1 -  The Netlink Sockets

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9. Integrate CLI interface to your C/C++ Projects

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10. Coding Project - Programming Finite State Machines