Web Client Guide

Template Last Updated - 7/01/2005 | Glossary 373
FILE LOCATION: Q:\CD_Stage\Apps_CD\DellNM50\docs\OMNM_5\Glossary.fm
DELL CONFIDENTIAL – PRELIMINARY 5/23/12 – FOR PROOF ONLY
F ILTER — In network security, a filter is a program or section of code that is designed to
examine each input or output request for certain qualifying criteria and then process or for-
ward it accordingly.
GUI — Graphical User Interface
ISATAP — The Intra-Site Automatic Tunnel Addressing Protocol (ISATAP) is an IPv6 tran-
sition mechanism which is defined as a tunneling IPv6 interface and is meant to transmit
IPv6 packets between dual-stack nodes on top of an IPv4 network.
K EY — In cryptography, a key is a variable value that is applied using an algorithm to a string
or block of unencrypted text to produce encrypted text. The length of the key generally
determines how difficult it will be to decrypt the text in a given message.
K EY M ANAGEMENT — The establishment and enforcement of message encryption and
authentication procedures, in order to provide privacy-enhanced mail (PEM) services for
electronic mail transfer over the Internet.
M ANAGED O BJECT — A network device managed by the system.
M EDIATION — Communication between this application and external systems or devices, for
example, printers. Mediation services let this application treat these devices as objects.
M EDIATION A GENT — Any communication to and from equipment is handled by the Media-
tion Agent. This communication includes SNMP requests, ASCII requests, and unsolicited
ASCII messages. In addition, the Mediation Agent receives and translates emitted SNMP
traps and converts them into events.
MEG — Maintenance Entity Group
MEP — Maintenance End Point
MIB — Management Information Base. A database (repository) of equipment containing
object characteristics and parameters that can be monitored by the network management
system.
OAM — Operation, Administration and Maintenance
OID — Object ID.
OSPF — Open Shortest Path First routing protocol.
P OLICY — A rule made up of conditions and actions and associated with a profile. Policy
objects contain business rules for performing configuration changes in the network for con-
trolling Quality of Service and Access to network resources. Policy can be extended to per-
form other configuration functions, including routing behavior, VLAN membership, and
VPN security.
P OLICY E NFORCEMENT P OINTS (PEP) — In a policy enforced network, a policy enforcement
point represents a security appliance used to protect one or more endpoints. PEPs are also
points for monitoring the health and status of a network. PEPs are generally members of a
policy group.