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Networking Acronyms
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IP
Internet Protocol - a set of rules governing the format of data sent over the internet or other networks.
TCP
Transmission Control Protocol - a core protocol of the Internet protocol suite that provides reliable, ordered, and error-checked delivery of a stream of bytes between applications running on hosts communicating via an IP network.
FTP
File Transfer Protocol - a standard network protocol used for the transfer of computer files between a client and server on a computer network.
NAT
Network Address Translation - a method of remapping one IP address space into another by modifying network address information in the IP header of packets while they are in transit across a traffic routing device.
MPLS
Multi-Protocol Label Switching - a type of data-carrying technique for high-performance telecommunications networks that directs data from one network node to the next based on short path labels rather than long network addresses.
HTTPS
Hypertext Transfer Protocol Secure - an extension of HTTP that is used for secure communication over a computer network, and is widely used on the Internet.
SSL
Secure Sockets Layer - a standard security technology for establishing an encrypted link between a server and a client—typically a web server (website) and a browser, or a mail server and a mail client.
MTU
Maximum Transmission Unit - the size of the largest protocol data unit that can be communicated in a single network layer transaction.
LAN
Local Area Network - a computer network that interconnects computers within a limited area such as a residence, school, laboratory, or office building.
IPv4
Internet Protocol version 4 - the fourth version of the Internet Protocol (IP) and it is the first version of the protocol to be widely deployed.
HTTP
Hypertext Transfer Protocol - an application protocol for distributed, collaborative, hypermedia information systems.
VPN
Virtual Private Network - a service that allows you to connect to the Internet via an encrypted tunnel to ensure your online privacy and protect your sensitive data.
VoIP
Voice over Internet Protocol - a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet.
WAN
Wide Area Network - a telecommunications network that extends over a large geographic area for the primary purpose of computer networking.
IPv6
Internet Protocol version 6 - the most recent version of the Internet Protocol (IP), designed to eventually replace IPv4.
POP3
Post Office Protocol version 3 - an application-layer Internet standard protocol used by local e-mail clients to retrieve e-mail from a remote server over a TCP/IP connection.
WPA
Wi-Fi Protected Access - a family of network security protocols and security certification programs developed by the Wi-Fi Alliance to secure wireless computer networks.
TLS
Transport Layer Security - a cryptographic protocol that provides communications security over a computer network.
RIP
Routing Information Protocol - one of the oldest distance-vector routing protocols that employ the hop count as a routing metric.
CSMA/CD
Carrier Sense Multiple Access with Collision Detection - a media access control method used most notably in early Ethernet technology for local area networking.
OSPF
Open Shortest Path First - a routing protocol for Internet Protocol (IP) networks that uses a link state routing algorithm and falls into the group of interior gateway protocols.
QoS
Quality of Service - the description or measurement of the overall performance of a service, such as a telephony or computer network or a cloud computing service, particularly the performance seen by the users of the network.
MAC
Media Access Control - a unique identifier assigned to network interfaces for communications at the data link layer of a network segment.
DHCP
Dynamic Host Configuration Protocol - a network management protocol used on IP networks whereby a DHCP server dynamically assigns an IP address and other network configuration parameters to each device on a network.
SSID
Service Set Identifier - the name associated with an 802.11 wireless local area network including home networks and public hotspots.
APIPA
Automatic Private IP Addressing - a feature of Windows-based operating systems that enables a computer to automatically assign itself an IP address within a specific range if a DHCP server is not available.
WPA2
Wi-Fi Protected Access II - a security protocol and security certification program developed by the Wi-Fi Alliance to secure wireless computer networks.
PAN
Personal Area Network - a network for interconnecting devices centered around an individual person's workspace.
ARP
Address Resolution Protocol - a communication protocol used for discovering the link layer address, such as a MAC address, associated with a given IP address.
SSH
Secure Shell - a cryptographic network protocol for operating network services securely over an unsecured network.
IMAP
Internet Message Access Protocol - an Internet standard protocol used by e-mail clients to retrieve e-mail messages from a mail server over a TCP/IP connection.
ICMP
Internet Control Message Protocol - a network protocol that is used to send error messages and operational information indicating success or failure when communicating with another IP address.
WEP
Wired Equivalent Privacy - a security algorithm for IEEE 802.11 wireless networks that provides data confidentiality comparable to that of a traditional wired network.
SMTP
Simple Mail Transfer Protocol - an Internet standard communication protocol for electronic mail transmission across Internet Protocol (IP) networks.
WLAN
Wireless Local Area Network - a wireless computer network that links two or more devices using wireless communication to form a local area network within a limited area such as a home, school, computer laboratory, or office building.
DNS
Domain Name System - a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network.
BGP
Border Gateway Protocol - a standardized exterior gateway protocol designed to exchange routing and reachability information among autonomous systems (AS) on the Internet.
UDP
User Datagram Protocol - one of the core members of the Internet protocol suite that allows applications to send messages to other hosts on an IP network with minimal protocol mechanism.
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