8 Popular Network Protocols with Clear and Simple Explanations
Network protocols operate at different levels of the OSI model, which is important to know.
The OSI Model is a conceptual structure that defines a network system as a series of layers, each with specific functions, to facilitate the transmission, management, and processing of data in a network.
This multi-layered architecture provides standardized interaction between various software and hardware components in a network.
🖱 TCP/IP (Transmission Control Protocol/Internet Protocol)
This protocol is the basic method of transmitting information between devices on the Internet. While IP is responsible for addressing and routing data packets, TCP takes care of assembling data into packets and ensuring reliable delivery.
🖱 HTTP (Hypertext Transfer Protocol)
When accessing websites, HTTP plays a crucial role. It is responsible for retrieving and delivering web content from servers to end users.
🖱 HTTPS (Hypertext Transfer Protocol Secure)
An improved version of HTTP, HTTPS incorporates security protocols (namely TLS) to encrypt data, ensuring secure and confidential communication between browsers and websites.
🖱 FTP (File Transfer Protocol)
As the name suggests, FTP is used for transferring files (uploading and downloading) between computers on a network.
🖱 UDP (User Datagram Protocol)
A more optimized alternative to TCP, UDP transmits data without the overhead of establishing a connection, resulting in faster transmission but without guarantees that the data will be delivered or in order.
🖱 SMTP (Simple Mail Transfer Protocol)
SMTP is the driving force behind email exchange, managing the formatting, routing, and delivery of messages between mail servers.
🖱 SSH (Secure Shell)
Secure Shell is a cryptographic network protocol that provides secure data transmission over an unsecured network. It provides a secure channel, ensuring that hackers cannot interpret information through eavesdropping.
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