TMS zl Management and Configuration Guide ST.1.0.090213

B-8
Glossary
Differentiated
Services code
point
See DSCP.
Differentiated
Services field
The IP header field (DS) that is used as a codepoint to select the PHB.
Diffie-Hellman
group
Determines the length of the base prime number used during a Diffie-Hellman
key exchange.
Diffie-Hellman key
exchange
A key exchange method that generates the actual keys during the second
exchange of IKE phase 1. The Diffie-Hellman Key Agreement Protocol is a
secure method for generating unique, shared keys without sending them over
the connection, which would render them vulnerable to interception.
Diff-Serv See Differentiated Services.
Digital Signature
Algorithm
See DSA.
Dijkstra’s
algorithm
A routing algorithm developed by Dutch computer scientist Edsger Dijkstra
that allows routers to generate a routing tree with itself as the root. So all
routes on the tree are the shortest path between the router and the destination
node.
distinguished
encoding rules
See DER.
distinguished
name
See DN.
DMZ Demilitarized Zone. A zone that is logically between the INTERNAL and
EXTERNAL zones; it usually contains public Internet services.
DN Distinguished Name. The ASN.1 name that is associated with a certificate.
DNS Domain Name System. A protocol that translates between a human-readable
address (www.example.com) and an IP address (10.1.2.15). Translation is
performed in both directions.
domain name A unique, human-readable name that is assigned to a device, such as ns1.pro-
curveu.edu.
domain name
address object
An address object that contains between one and 10 URLs or FQDNs.
domain name
system
See DNS.