Internet
These are my technical notes and reference materials focused on Internet. These articles serve as a personal knowledge base, covering fundamental concepts, protocols, and practical implementations I've encountered in my work as a developer.
The goal of these notes is to break down complex topics into clear, digestible summaries that are easy to refer back later.
31 Articles tagged with Internet
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VPN Explained | How Secure Tunnels Work —
A VPN creates an encrypted tunnel to protect traffic and provide secure remote access and privacy.
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BGP Explained | How the Global Internet Stays Connected —
Border Gateway Protocol (BGP) determines routing between large networks and keeps the global internet connected.
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IPv6 Explained | The Future of Internet Addressing —
IPv6 replaces IPv4 with a vastly larger address space and improved routing efficiency.
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WebSockets Explained | Real-Time Communication on the Web —
WebSockets provide persistent, two-way connections for real-time web communication.
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Caching Explained | How the Internet Avoids Repeated Work —
Caching stores frequently used data temporarily to speed up load times and reduce bandwidth.
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Proxy Servers Explained | Security and Anonymity —
A proxy intermediates client-server communication for caching, security, traffic control, or anonymity.
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Load Balancing Explained | Distributing Traffic Efficiently —
Load balancing spreads traffic across servers to improve reliability, prevent overload, and enable scaling.
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CDN Explained | How Content Loads Faster Globally —
A Content Delivery Network (CDN) caches and serves content from locations near users to reduce latency.
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Firewall Explained | How Networks Control Traffic —
Firewalls filter and control network traffic to enforce security boundaries and block threats.
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DHCP Explained | How Devices Get IP Addresses Automatically —
DHCP automatically assigns IP configuration (address, gateway, DNS) to devices on a network.
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NAT Explained | How Multiple Devices Share One Public IP —
NAT allows many devices on a private network to share one public IP for internet access.
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Switching Explained | How Network Switches Move Data —
Understand how network switches work, the difference between hubs and switches, MAC tables, broadcast domains, and VLANs.
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ARP Explained | How IP Addresses Find MAC Addresses —
Learn about Address Resolution Protocol (ARP), how it maps IP addresses to MAC addresses, and why it's essential for local network communication.
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MAC Addresses | How Local Devices Identify Each Other —
A comprehensive guide to MAC addresses, their structure (OUI vs Device ID), their role in local networks, and how they differ from IP addresses.
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Network Ports Explained | Addressing Applications —
Learn what network ports are and how they allow multiple applications to share a single IP address.
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UDP Explained | The Fast Transport Protocol —
Learn what UDP is, how it works, and why it is used for real-time applications like video calls and gaming.
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TCP/IP Explained | The Foundation of the Internet —
Understand how TCP and IP work together to deliver data reliably across the internet.
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HTTP/3 Explained | The Future of Web Speed —
Explore HTTP/3, the latest web protocol built on QUIC for faster, more reliable connections.
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HTTPS Explained | Secure Browsing —
Learn what HTTPS is, how it uses TLS for security, and why it is essential for modern websites.
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SSL and TLS Explained | Web Encryption —
Discover how SSL and TLS encrypt data to make the web secure for passwords, payments, and privacy.
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HTTP Explained | How Browsers Talk to Servers —
A guide to the Hypertext Transfer Protocol (HTTP), detailed methods, status codes, and headers.
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Network Packets Explained | Digital Data chunks —
Understand what network packets are, why data is split into chunks, and how they travel across the internet.
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Domain Registration | How to Register and Manage —
Learn how domain names are registered, managed, and connected to websites. Understand registrars, registries, DNS, and nameservers.
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How Hosting Works | Web Servers and Hosting Explained —
Learn how web hosting works, types of hosting, web servers, and how hosting connects to domain names through DNS.
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DNS Explained | Domain Names to IP Addresses —
Learn how DNS converts domain names to IP addresses. Understand DNS servers, records, lookup process, caching, and security.
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Routing Basics | How Packets Find Their Path —
Learn how routing works, how packets find their path across networks, routing tables, static vs dynamic routing, and BGP basics.
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Subnetting | How Networks are Divided and Organized —
Learn how subnetting divides networks into smaller parts. Understand network bits, host bits, CIDR notation, and subnet masks.
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IP Address | How Devices are identified on the Internet —
Learn what IP addresses are, how they identify devices, IPv4 vs IPv6, public vs private IPs, subnetting, NAT, and routing basics.
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What is Networking | Connecting Multiple Devices —
Learn computer networking basics like how devices connect, switching methods, network types, topologies, and the OSI model.
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Data Communication | How Computers Exchange Information —
Learn how digital data travels through bits, signals, encoding, and protocols. A beginner-friendly guide to data communication.
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What is Communication | The Foundation of Networking —
Learn how communication works and why it's the starting point for understanding computer networks and the Internet.
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