Chapter 1

Advanced Routing and Switching

Distance Vector and Link State routing algorithms

medium • 1 min read

BGP and inter-domain routing protocols

medium • 2 min read

OSPF protocol deep dive

medium • 3 min read

Multicast routing protocols (PIM, IGMP)

medium • 4 min read

VLANs, STP, and layer 2 switching concepts

medium • 5 min read

Chapter 2

Transport Layer and Congestion Control

TCP internals, state machine, and timers

medium • 1 min read

TCP Congestion Control algorithms (Tahoe, Reno, Cubic)

medium • 2 min read

Quality of Service (QoS) mechanisms

medium • 3 min read

Active Queue Management and Traffic Shaping

medium • 4 min read

SCTP and advanced transport protocols

medium • 5 min read

Chapter 3

Software Defined Networking (SDN)

Control plane vs Data plane separation

medium • 1 min read

OpenFlow protocol and SDN controllers

medium • 2 min read

Network Function Virtualization (NFV)

medium • 3 min read

Programmable data planes and P4 language

medium • 4 min read

Use cases for SDN in modern data centers

medium • 5 min read

Chapter 4

Wireless and Mobile Networks

IEEE 802.11 architecture, MAC, and security

medium • 1 min read

Cellular networks (4G LTE, 5G architecture)

medium • 2 min read

Mobile IP and mobility management

medium • 3 min read

Wireless Sensor Networks and routing

medium • 4 min read

IoT protocols (MQTT, CoAP) and networking

medium • 5 min read

Chapter 5

Network Security and Firewalls

IPSec, VPN architectures, and SSL/TLS

medium • 1 min read

Firewall types, architectures, and rule sets

medium • 2 min read

Intrusion Detection/Prevention Systems (IDS/IPS)

medium • 3 min read

Denial of Service (DoS) and DDoS mitigation

medium • 4 min read

Zero Trust Network Architecture

medium • 5 min read