Networking protocols are the key building blocks that enable devices to communicate on a network.
Having a solid grasp of major networking protocols is a must-have skill for any IT professional.
In this post, I'll break down some of the most common and important ones:
🌐
TCP/IP - The fundamental protocol of the internet. TCP 📦 handles
assembling data into packets and reliable delivery. IP 🏷️ handles
addressing and routing the packets. Together they enable communication
over interconnected networks.
🔎 DNS - The Domain Name System 📜. This system translates domain names (like google.com) to the machine-readable IP addresses 🆔 needed for locating and routing traffic on the internet.
🌐
HTTP - The Hypertext Transfer Protocol. This application layer protocol
defines how web clients 💻 and servers 🖥️ communicate. HTTP
establishes connections, specifies request methods (GET, POST) 👾 and
response codes (404, 500)❗️, and formats & transports web pages,
assets, APIs etc.
🔒 HTTPS - HTTP Secure 🔒. It's the same as
HTTP but with added encryption 🔏 of communication and authentication 👤
of servers through SSL/TLS certificates 🪪. This provides security and
data privacy.
✉️ SMTP - Simple Mail Transfer Protocol. The
standard protocol for email 📧 transmission between servers over the
internet. SMTP handles formatting, transmission, routing, and delivery
of email.
🗂️ FTP - File Transfer Protocol. Allows transferring
files (uploading & downloading) between hosts over TCP networks.
Widely used for exchanging files between client 💻 and server 🖥️
programs.
⚡️ UDP - User Datagram Protocol. A lightweight
transport layer protocol used for time-sensitive transmissions like
video streaming 📺, online gaming 🎮, and voice chats 💬.
Happy Learning! 🌟📚
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