Storage Area Network
Group of machines with large disks in RAID configuraion used for off-server backup.
SDSL
Synchronous Digital Subscriber Line
High speed broadband that offers same speed up and down.
SLD
Second (or Sub) Level Domain is the classification part (penultimate)of a domain name - for example
.co for "company" in .co.uk
.net for "network" in .net.sg
etc
SMTP
Simple Mail Transfer Protocol
General method by which email is sent over the internet
SSH
Secure SHell
Encrypted form of Telnet, used for command line access and control of remote servers
