Internet Protocol.

Internet

Protocol

(IP)

.

(1) A

protocol that

routesM

data

 

 

 

 

 

 

through

a

network

or

 

interconnected

networks. IP

acts

 

 

 

 

as an

interface

between

the

higher

logical

 

layers

and

procedure

(MAP)

.

A mainte-

the physical

network. However,

this

protocol

maintenance

 

analysis

does

not

 

 

 

 

provide

error

recovery, flow

control,

or

 

nance document that gives a service representative a

guarantee

 

the

 

 

 

 

reliability

of

the

physical

network. IP is

step-by-step procedure for tracing a symptom to the

a

 

 

 

of a

failure.

 

 

connectionless

protocol.

(2) A

protocol

used

 

cause

 

 

 

to

route

 

 

 

 

 

 

data

from

its

source

to

its

destination

in

an

Internet

 

area

network.

 

environment.

 

 

 

 

 

 

 

 

 

 

 

 

MAN .

 

 

Metropolitan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

inverse

ARP .

 

A

method

for

discovering

a

 

management

 

services

(MS)

.

Services

that assist in

 

protocol

management of networks in areas such as problem

address

through the

 

known

hardware

 

 

 

the

 

address. In

frame

 

 

 

 

relay,

 

the

 

data

link

 

connection

 

 

 

 

management, performance and accounting manage-

 

 

 

identifier (DLCI)

is

synon-

management, and

change manage-

ymous

with

the

known

hardware

address.

 

ment,

configuration

 

ment.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IP .

IPX .

ISDN .

K

Kbps .

 

 

MAP .

Maintenance

analysis

procedure.

 

 

 

Internet Packet

Exchange.

maximum

transmission

 

unit

(MTU)

.

The

largest

pos-

 

 

 

 

 

 

 

Integrated services digital

network. sible

unit

of

data

that

can

be

sent on

a given

ph

 

 

medium in a single frame. For example, the MTU for

 

 

 

Ethernet is

1500

bytes.

 

 

 

 

 

 

 

 

memory

.

All

of

the

addressable

storage

space

in

a

1000 bits per

second.

processing

unit

and

other

internal

storages

that

is

u

 

 

to execute

instructions.

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

metropolitan

area

 

 

network

(MAN)

 

.

A

network

formed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

by

the

interconnection

 

of

two

or

more

networks

which

LAN .

 

Local

area

 

network.

 

 

 

 

 

 

 

 

 

 

may operate at higher speed

than those

networks,

ma

LED .

 

Light

emitting

diode.

 

 

 

 

 

 

 

 

 

cross administrative boundaries, and may use multiple

 

 

 

 

 

 

 

 

 

 

 

access

methods. (T)

 

Contrastlocalwitharea network

 

 

 

link .

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(LAN)

 

andwide

area

network

.(WAN)

 

 

 

 

 

 

 

 

The

combination

 

of

the

link

connection

(the

trans-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

mission

 

medium)

and

 

two

link

stations,

one

at

each

end

 

 

 

 

 

 

 

information

base.

(2) MIB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MIB .

 

(1) Management

 

 

 

 

of

the

link

connection. A

link

connection

can

be

 

 

shared

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

module.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

among multiple links in a multipoint or

 

token-ring

 

config-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

uration.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

modem

(modulator/demodulator)

 

 

 

 

.

 

(1) A

functional

 

 

 

lobe .

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

unit

that

modulates

 

and

demodulates

signals. One

of

 

 

(1) In

a

star/ring

network

configuration,

 

two

 

pairs

of

a

 

modem

is

to

enable

digital

data

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the

functions

 

of

conductors

that

provide

separate

send

and

 

receive

 

over

analog

 

transmission

facilities. (T) (A)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

transmitted

 

 

 

 

paths

between

a

wiring

concentrator

 

and

a

network

device

that

converts

digital

data

from

a

compu

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2) A

 

port,

such

 

as

a

wall

 

outlet.

(2) In

 

the

IBM

 

Token-Ring

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

to

 

an

analog signal that can be transmitted on a tel

Network,

the

section

of

cable

 

that

 

attaches

 

 

 

device

 

to

 

and

converts

the

analog

signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

communication

 

line,

 

 

an access

unit. The

cable

can

consist

of

several

 

seg-

 

 

data

for

the

computer.

 

 

 

 

 

 

ments.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

received

to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

local

area

 

network

(LAN) .

 

 

 

 

 

 

 

 

 

 

 

 

 

monitor

 

.

(1) A

device

 

that

observes

and

records

 

 

 

(1) A

computer

 

network selected activities within a data processing system

located

on

 

a

user’s

 

premises

within

a

limited

 

 

geograph-

 

 

 

 

 

 

 

 

 

 

indicate

significant

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

analysis. Possible uses are to

 

ical

area. Communication

within

 

a

local

area

network

is

 

from

the

 

norm, or

to

determine

levels

of

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

departure

 

 

 

not

subject

to external

regulations;

however,

 

communi-

of

 

particular

functional

units. (T)

 

(2) Software

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

zation

 

 

 

cation

 

across

the

LAN

 

boundary

may

be

subject

to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

controls,

or

v

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

or hardware that observes, supervises,

some

form

of

regulation. (T)

(2) A

network

in

 

which

 

operations

of

 

a

 

system.

(A)

(3) In

a

token-ring

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

fies

 

 

 

set

of

devices

are

 

connected

to one

another

 

for

commu-

function

required

to

 

initiate the

trans-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

network,

the

 

 

nication

and

that

can

 

be

connected

 

to

a

larger

network.

token

 

on

the

ring

and to provide soft-e

See

alsoEthernet andtoken

 

ring.

(3) Contrast

 

with

 

 

mission

 

of

 

a

 

 

 

 

 

recovery

in

 

case

of

lost

tokens,

 

circulating

frames,

metropolitan

 

area

network

(MAN)and wide

area

 

 

 

other

difficulties. The capability is present in all

network

 

(WAN).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

stations.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MS .

 

Management

services.

 

 

 

 

 

 

 

 

 

 

 

X-4

2210

Service

and

Maintenance

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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