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Networking Beginner

What is Latency?

The time delay between sending a request and receiving a response, measured in milliseconds.

Latency measures the round-trip time for data to travel between source and destination. It is affected by physical distance, network congestion, routing hops, and processing time at each node.

Low latency is critical for real-time applications like gaming, video calls, and financial trading. CDNs, edge computing, and protocol optimization reduce latency.

Related Terms

BGP (Border Gateway Protocol)
The routing protocol that makes the internet work by exchanging routing information between autonomous systems.
Firewall
A network security system that monitors and controls incoming and outgoing traffic based on predetermined rules.
ICMP (Internet Control Message Protocol)
A network protocol used for diagnostic and error reporting, including ping and traceroute functionality.
HTTP Keep-Alive
An HTTP mechanism that reuses a single TCP connection for multiple requests, reducing the overhead of establishing new connections.
Network Segmentation
The practice of dividing a network into isolated segments to improve security, performance, and management.
DNS Record Types
Different types of DNS entries that map domain names to various information like IP addresses, mail servers, and verification strings.
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