LAN	Local area network
MAN	Metropolitan area network
WAN	Wide area network

ARPANET	Arpa Network
ATM	Asynchronous transfer mode
BBS	Bulletin board system
DHCP	Dynamic host configuration protocol
DNS	Domain name system
FAX	Facsimile
FIFO	First in first out
FTP	File transfer protocol
HTTP	Hypertext transfer protocol
IP	Internet protocol
IRC	Internet relay chat
IIS	Internet information services
LIFO	Last in first out
POP3	Postal office protocol 3
PPP	Point to point protocol
SLIP	Serial line internet protocol
SSL	Secure sockets layer
TCP/IP	Transmission control protocol/internet protocol
URL	Uniform resource locator
USENET	User network
WAIS	Wide area information service
WI-FI	Wireless fidelity
WWW W3	World wide web

Bcc	Blind cc
Cc	Carbon copy
e-mail	Electronic mail
MIME	Mail interface with multimedia extensions Multipurpose internet mail extensions
PGP	Pretty good privacy

ISP	Internet service provider
POP	Point of presence

ADSL	Asymetric dsl
DSL xDSL	Digital subscriber line
HDSL	High bit rate dsl
ISDN	Integrated services digital network
PSDN	Public switched data network

TACS ETACS	Extended total access communication system
GSM	Groupe special mobile Global system for mobile communications
GPRS	General packet radio service
UMTS	Universal mobile telecommunications system
3G	3° Generation
3GPP	3° Generation partnership project

MMS	Multimedia messaging service
SMS	Short message service
WAP	Wireless application protocol