user manual

Table Of Contents
Glossary
GL-5
User Guide for Internetwork Performance Monitor
OL-11291-01
logical unit
See LU.
Loose Source Routing
IP source routing in which the IP address of the next router can be one or more routers away (multiple
hops). The alternative is strict source routing, in which the next router must be adjacent (single-hop).
LU
logical unit. Primary component of SNA, an LU is an NAU (network addressable unit) that enables
end users to communicate with each other and gain access to SNA network resources.
M
Management
Information Base
See MIB.
MIB
Management Information Base. Database of network management information that is used and
maintained by a network management protocol such as SNMP. The value of a MIB object can be
changed or retrieved using SNMP commands, usually through a GUI network management system.
MIB objects are organized in a tree structure that includes public (standard) and private (proprietary)
branches.
Multiple Virtual
Storage
See MVS.
MVS
Multiple Virtual Storage. Consists of MVS/System Product Version 1 and the MVS/370 Data Facility
Product operating on a System/370 processor.
N
name resolution
Generally, the process of associating a name with a network location.
name server
Server connected to a network that resolves network names into network addresses.
NetView
IBM network management architecture and related applications. NetView is a VTAM application
used for managing mainframes in SNA networks. See also
VTAM.
network management
system
See NMS.
Network Management
Vector Transport
See NMVT.
node
Endpoint of a network connection, or a junction common to two or more lines in a network. Nodes
can be processors, controllers, or workstations. Nodes, which vary in routing and other functional
capabilities, can be interconnected by links, and serve as control points in the network. Node is
sometimes used generically to refer to any entity that can access a network, and is frequently used
interchangeably with
device.
NMS
network management system. System responsible for managing at least part of a network. Typically,
an NMS is a reasonably powerful and well-equipped computer such as an engineering workstation.
NMSs communicate with agents to help keep track of network statistics and resources.