
VSU-5000 User Guide
G-1
GLOSSARY
VSU Acronyms
CBC –
Cipher Block Chaining encryption
DES –
Data Encryption Standard encryption
DNS –
Domain Name Server (a distributed database system used to map host
names to IP addresses and vice versa)
DCE –
Data Communication Equipment
DSU/CSU –
Data Service Unit/Channel Service Unit
DTE –
Data Terminal Equipment
ECB –
Electronic Code Book encryption
HDLC –
High-level Data Link Control
ISAKMP –
Internet Security Association Key Management Protocol
IPSEC –
Internet Protocol SECurity
MD5 –
Message Digest Algorithm