☁️ Azure Cloud & Networking Mastery

"From Packet Switching to Cloud Scaling" — A comprehensive journey through Computer Networks, Server Architecture, and Azure Cloud Services.

🗺️ Learning Path

graph TD Root((Azure Mastery)) %% Networks Branch Root --> Networks[Networks] Networks --> IP(IP Addressing) Networks --> OSI(OSI Model) Networks --> TCPIP(TCP/IP) Networks --> HTTP(HTTP & HTTPS) %% Servers Branch Root --> Servers[Servers] Servers --> Web(Web Servers) Servers --> Mail(Mail Servers) %% Cloud Branch Root --> Cloud[Cloud Architecture] Cloud --> Models(IaaS / PaaS / SaaS) Cloud --> Scaling(Scaling) Cloud --> Virt(Virtualization) %% Azure Branch Root --> Azure[Azure Services] Azure --> VM(Virtual Machines) Azure --> VNet(Networking VNet) Azure --> Storage(Storage) Azure --> Serverless(Serverless) %% Styling classDef main fill:#0072C6,stroke:#333,stroke-width:2px,color:white; classDef sub fill:#444,stroke:#333,stroke-width:1px,color:white; class Root,Networks,Servers,Cloud,Azure main;

📂 Directory Structure

.
├── 🌐 computer_networks/   # The Foundation (IP, TCP, HTTP)
├── ☁️ cloud_computing/     # Core Cloud Concepts
├── 🖥️ servers/             # Web & Mail Architectures
├── 🏗️ app_architecture/    # System Design (Microservices)
└── 🔷 azure_services/      # Deep Dive into Azure Resources

🌐 1. Computer Networks

Foundational knowledge required to understand how the Cloud communicates.

Module	Key Concepts	Quick Link
Area Networks	LAN, WAN, VPN, SAN	View Guide
IP Addresses	IPv4 vs IPv6, Public vs Private	View Guide
CIDR & Subnetting	/24 Notation, Calculations, Azure Rules	View Guide
Firewalls	Packet Filtering, Proxy, Stateful	View Guide
SSL/TLS Handshake	Authentication, Encryption, Keys	View Guide
Binary Math	Dec<->Bin, 2's Complement	View Guide
Subnet Mask	Definition, Binary, Calculation	View Guide
Routing Table	Azure System Routes, UDRs, Next Hop	View Guide
MAC Address	Physical Address, OUI, Layer 2	View Guide
Network Arch	Topologies, Client-Server, N-Tier	View Guide
Networking Models	Peer-to-Peer vs Client-Server	View Guide
Ports & Protocols	HTTP (80), HTTPS (443), SSH (22)	View Guide
OSI Model	7 Layers of Communication	View Guide
TCP/IP Model	4 Layers, TCP vs UDP	View Guide
HTTP vs HTTPS	NEW! Headers, Status Codes, Handshake	View Guide

🔽 Click to Expand Detailed Summaries (English & Hinglish)

Area Networks

🇬🇧 English: Covers LAN (Local), WAN (Global), VPN (Secure Tunnel), SAN (Storage), PAN (Personal).
🇮🇳 Hinglish: LAN ek building mein, WAN poori duniya mein. VPN ek "invisible pipe" hai security ke liye.

IP Addresses

🇬🇧 English: Unique ID for devices. IPv4 is old (32-bit), IPv6 is new (128-bit). Private IPs stay local.
🇮🇳 Hinglish: Ghar ka pata (Address). Public matlab duniya ke liye, Private matlab ghar ke andar.

MAC Address

🇬🇧 English: Hard-coded ID on Network Card. Layer 2. Never changes like a fingerprint.
🇮🇳 Hinglish: Computer ka Fingerprint. IP badal sakti hai, MAC nahi.

HTTP vs HTTPS

🇬🇧 English: HTTP is plain text (unsafe). HTTPS uses SSL/TLS encryption (lock icon).
🇮🇳 Hinglish: HTTP khula postcard hai. HTTPS band lifafa (envelope) hai.

(See individual files for full 5-point breakdowns)

☁️ 2. Cloud Computing

Understanding the "Why" and "How" of the Cloud.

Module	Key Concepts	Quick Link
Cloud Benefits	High Availability, Agility, OpEx	View Guide
Deployment Models	Public, Private, Hybrid	View Guide
Scaling	Vertical (Up) vs Horizontal (Out)	View Guide
Service Models	IaaS, PaaS, SaaS	View Guide
Shared Responsibility	Who secures what?	View Guide
Virtualization	Hypervisors (Type 1 & 2)	View Guide

🔽 Click to Expand Detailed Summaries (English & Hinglish)

Scaling

🇬🇧 English: Scale Up (Vertical) adds RAM. Scale Out (Horizontal) adds Machines. Auto-scaling automates this.
🇮🇳 Hinglish: Vertical matlab ek aadmi ko taakatwar banana. Horizontal matlab 10 aadmi laga dena.

Service Models

🇬🇧 English: IaaS (Rent VM), PaaS (Rent Runtime), SaaS (Rent App).
🇮🇳 Hinglish: IaaS (Ingredients lao), PaaS (Pizza order karo), SaaS (Restaurant mein khao).

🖥️ 3. Servers & Architecture

Module	Key Concepts	Quick Link
Server Types	Web (HTTP) vs Mail (SMTP/IMAP)	View Guide
App Architecture	Monolith vs Microservices	View Guide
State	Stateful vs Stateless Apps	View Guide

🔽 Click to Expand Detailed Summaries (English & Hinglish)

Server Types

🇬🇧 English: Web Server delivers pages. Mail Server sends (SMTP) and stores (IMAP) emails.
🇮🇳 Hinglish: Web Server 'Restaurant' hai. Mail Server 'Post Office' hai.

Monolith vs Microservices

🇬🇧 English: Monolith is one big file. Microservices are many small, communicating parts.
🇮🇳 Hinglish: Monolith ek bada pathar hai. Microservices chote chote eent (bricks) hain.

🔷 4. Azure Services

Deep dives into specific Azure Resources.

#	Service	Description	Quick Link
01	Hierarchy	Mgmt Group > Sub > RG > Resource	View
02	Resource Groups	Logical Containers for resources	View
03	Virtual Machines	Infrastructure as a Service (IaaS)	View
04	Storage	Blob, File, Queue, Table	View
05	Scale Sets	Auto-scaling groups of VMs	View
06	AVD	Azure Virtual Desktop	View
07	Containers	Azure Container Instances (ACI)	View
08	Functions	Serverless Compute (Event-driven)	View
09	VNet	Virtual Networks & Peering	View
10	Subnets	Network Segmentation	View
11	VNet Peering	Connect VNets (Dashboard Steps)	View

🔽 Click to Expand Detailed Summaries (English & Hinglish)

Virtual Machines

🇬🇧 English: Renting a computer in the cloud. You manage updates.
🇮🇳 Hinglish: Cloud par kiraye ka computer.

Azure Functions

🇬🇧 English: Serverless. Run code only when triggered. Pay per execution.
🇮🇳 Hinglish: Sirf code likho, server ka tension nahi.

🛠️ How to Run Locally

This documentation is built with a custom Node.js static site generator.

Install Dependencies:
```
cd doc_web
npm install
```
Build & Serve:
```
npm run serve
```
Visit: http://localhost:3000

Created by Priyanshu K. Sharma