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CNET GLOSSARY: Terms for the techie
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L2TP 
Layer Two Tunneling Protocol 
An extension to the protocol that enables Internet service providers to operate virtual private networks (VPNs). It combines two secure communications protocols: Cisco Systems' Layer Two Forwarding (L2F) and Microsoft's Point-to-Point Tunneling Protocol (PPTP).


 
L 
L1 cache
L2 cache
L2TP
LAME
LAN
lane departure warning system
laser printer
latency
LBA
LCD
LCD TV
 
LCoS
LDAP
leased line
LED
letterbox
Liquid Audio
linearity
line-doubler/tripler/multiplier
line in
line out
Linux
 
Listserv
list server
lithium ion
lithium polymer
lossless compression
lossy compression
low-tire-pressure warning
lumens
luminance
LZW compression
  
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Can't find your term here? Have a question about the glossary? E-mail us.
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