Cisco Systems OL-11291-01 manual GL-5

Glossary

logical unitSee 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

MIB

Multiple Virtual Storage

MVS

See 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.

See 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

name server

NetView

network management system

Network Management Vector Transport

node

Generally, the process of associating a name with a network location.

Server connected to a network that resolves network names into network addresses.

IBM network management architecture and related applications. NetView is a VTAM application used for managing mainframes in SNA networks. See also VTAM.

See NMS.

See NMVT.

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.
		User Guide for Internetwork Performance Monitor
	OL-11291-01		GL-5