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Networking Beginner

What is TCP/IP?

The fundamental communication protocol suite of the internet that defines how data is packaged, addressed, transmitted, and received.

TCP/IP (Transmission Control Protocol/Internet Protocol) is a layered protocol stack. TCP provides reliable, ordered, error-checked data delivery. IP handles addressing and routing packets across networks.

The model has four layers: Application (HTTP, SMTP), Transport (TCP, UDP), Internet (IP), and Network Access (Ethernet, Wi-Fi). Together they enable all internet communication.

Related Terms

HTTP/HTTPS
The protocol used for transferring web pages and data between browsers and servers, with HTTPS adding encryption.
QoS (Quality of Service)
A set of techniques for managing network traffic to prioritize certain types of data and ensure performance for critical applications.
Network Segmentation
The practice of dividing a network into isolated segments to improve security, performance, and management.
IP Address
A unique numerical label assigned to each device on a computer network for identification and communication.
SDN (Software-Defined Networking)
An approach that separates the network control plane from the data plane, enabling centralized, programmable network management.
Reverse Proxy
A server that sits between clients and backend servers, forwarding client requests and returning server responses on their behalf.
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