1200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

NOKIA N

EMU

NETW

ORK ELE

MENT MANAGEMENT UNIT

2200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

Objectives

•Iden

tify and

describe the ph

ilosoph

y of the

Nok

ia N

EMU in

terms of its role in

the

Teleco

mmun

ication Man

agem

ent Networks (TM

N). Also, list the

key

fun

ctions

of

NEM

U in

the

network elem

ents w

hilst mak

ing a differen

ce to the role of the OMU

unit. T

he exp

erienc

ed participa

nts are ex

pected

to list an

d clarify the differen

ces in

the NEM

U solution be

twee

n the Nok

ia 2G and

3G networks.

•Iden

tify and

clearly exp

lain the

differenc

es betwee

n the NEM

U serve

r an

d client.

Using

a lo

gica

l diagram

, illu

strate how

the

NEM

U serve

r an

d clients are co

nnec

ted

with the ne

twork elem

ents on the O&M LAN. B

riefly exp

lain the

role of the

System

Man

agem

ent Se

rver (SM

S) and

give lim

ited

details on the co

mpa

ct N

EMU hardw

are.

•Ex

plain wha

t are the Elem

ent Man

ager and

the

App

lication Man

ager

and the

relation

ship tha

t they

sha

re. A

lso, define wha

t are NEM

U app

lications

. Finally,

describe

the

role of the

Action Viewer app

lication.

•Given

the

man

agem

ent area

s of fau

lt, c

onfigu

ration

and

perform

ance

, ide

ntify wha

t ap

plications

are ava

ilable for us

e.

•Dem

onstrate the

ability to start a N

EMU EM session

from the

clie

nt. A

lso, the

pa

rticipan

ts sho

uld de

mon

strate the

ir ability to start and

nav

igate ap

plications

throug

h the us

e of the

app

lication man

ager.

3200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

The Role of Network Elemen

t Man

agem

ent

•NEM

U is

a graph

ical in

terfac

e that allo

ws co

mmon

tasks, P

M post-proc

essing

func

tion

s an

d OSS

med

iation

to be

ach

ieve

d efficien

tly as possible.

Business

Management

Systems

Service

Management

Systems

Operations

Support

Systems

Element

Management

Systems

Functions of Service management systems:

•ta

ke

care

of su

bsc

riber

dat

a•

pro

vis

ion ser

vic

es a

nd subsc

riber

s•

collec

t an

d rat

e, b

ill off

ered

ser

vic

es•

crea

te, pro

mote

and m

onitor se

rvic

es

Operations Support Systems (OSS):

•co

llec

t in

form

atio

n fro

m the

under

lyin

g n

etw

ork

san

d p

re/p

ost

-pro

cess

the

raw

dat

a•

anal

yse

and d

istrib

ute

info

rmat

ion

•optim

ise

net

work

cap

acity a

nd q

ual

ity

Element management systems (EM):

•EM

s ar

e par

t of th

e N

E (RN

C, B

TS, A

XC

, et

c.)

funct

ional

ity

•m

onitor th

e fu

nct

ionin

g o

f th

e eq

uip

men

t•

collec

t ra

w d

ata

(per

form

ance

indic

ators

)

•lo

cal G

UI pro

vid

ed for si

te e

ngin

eers

•m

edia

te tow

ards th

e O

SS syst

em

MIS

Planning

System

BTS

BTS

AXC

RNC

NE x

NE y

CC

B

NE =

netw

ork

ele

men

t, C

CB =

cust

om

er c

are

and

billing, M

IS =

managem

ent in

form

atio

n syst

em

OSS

4200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

NEMU Supp

ort’s Different App

lication

s

•NEM

U is

a unit that is

fou

nd

at the

network elem

ent –

but the interfac

e ca

n be

laun

ched

from a clie

nt

compu

ter

•NEM

U app

lications

mak

e ne

twork op

eration an

d mainten

ance

easier to

perform

•NEM

U w

orks in

a w

indo

ws

environm

ent that is

easier to

learn than

com

man

d lin

e

5200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

The Difference Between NEMU and the OMU

•Th

e Network Elem

ent ha

s an

OMU w

hich

is respo

nsible for the

rea

l-time O&M

tasks, datab

ases, h

ardw

are su

pervision an

d storag

e de

vice

s. M

ML is used to

issu

e co

mman

ds.

•NEM

U is

used to sup

port the

interfac

e, graph

ical too

ls, P

M post-proc

essing

an

d ac

t’s as a m

ediator be

twee

n the ne

twork elem

ent an

d the OSS

.

GU

I

OS

S•l

ocal user

inte

rface

•inte

rfa

ce tow

ard

s the

hig

her

leve

l netw

ork

mana

gem

ent syste

m•f

ire

wall

fun

ctionalit

y for

pro

tecting L

AN

/Eth

ern

et

con

nections t

oen

vironm

ent

•O&

M f

unctionalit

ies w

hic

hare

not h

andle

d b

y o

ther

com

pu

ter

units o

f th

e R

NC

•postp

rocessin

g s

upport

for

measu

rem

en

t and

sta

tistics

•periph

era

l devic

e c

on

trol

NE

OMU

NEMU

•Hard

ware

configura

tio

nm

anagem

ent

•HM

S s

up

erv

isio

n•a

ssocia

ted c

entr

aliz

ed

recovery

function

s•m

ain

ten

ance o

f th

eR

NW

config

ura

tion

•ded

icate

d s

tora

ge

devic

es

•in

terf

ace b

etw

een

the

NE

MU

an

d the o

ther

units

6200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

Role of the NEMU Server an

d Clien

t

•Th

e NEM

U in the

netw

ork

elem

ent

is a

server which

co

ntains

all the ap

plications

.

•Th

e clients

conn

ected

to the

server throu

gh the

use o

f the

LAN.

•Th

e User’s

PC an

d OSS

are

exam

ples of client’s.

•Sy

stem

Man

agem

ent

Server

(SMS)

is

respon

sible

to

maintain

and

mon

itoring

NEM

U in the ne

twork. It is PC

based

server for

distribu

tion

an

d ac

tiva

tion

of the

NEM

U

SW.

IP

RN

CR

NC

RN

CR

NC

RN

CR

NC

RN

CR

NC

BS

CB

SC

MS

CM

SC

MG

WM

GW

MG

WM

GW

Mount

431

7437

1950

79%

/0263196347358

93%

/us

File

Edi

tL

oca

teV

iew

Hel

p

12

34

56

70

100

200

300

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500

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wor

kTr

affic

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Mount

431

7437

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/02

631963

47358

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/us

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itL

oc

ate

Vie

wH

elp

12

34

56

70

100

200

300

400

500

E D C B A

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ork

Tra

ffic

Help

Mount

431

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47358

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/us

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tL

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iew

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34

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70

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wor

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affic

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300

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500

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twor

kT

raff

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elp

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12

34

56

70

100

200

300

400

500

E D C B A

Ne

twor

kT

raff

icH

elp

Service Term

inal

Nokia NetAct

Client PC

Client PC

Client PC

Client PC

IPIP

RN

CR

NC

RN

CR

NC

RN

CR

NC

RN

CR

NC

BS

CB

SC

MS

CM

SC

MG

WM

GW

MG

WM

GW

Mount

431

7437

1950

79%

/0263196347358

93%

/us

File

Edi

tL

oca

teV

iew

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p

12

34

56

70

100

200

300

400

500

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Net

wor

kTr

affic

Help

Mount

431

7437

1950

79%

/02

631963

47358

93%

/us

File

Ed

itL

oc

ate

Vie

wH

elp

12

34

56

70

100

200

300

400

500

E D C B A

Netw

ork

Tra

ffic

Help

Mount

431

7437

1950

79%

/02631963

47358

93%

/us

File

Edi

tL

oca

teV

iew

He

lp

12

34

56

70

100

200

300

400

500

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Net

wor

kTr

affic

Help

Mount

431

7437

1950

79%

/02

631963

47358

93%

/us

File

Ed

itL

oc

ate

Vie

wH

elp

12

34

56

70

100

200

300

400

500

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Ne

twor

kT

raff

icH

elp

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431

7437

1950

79%

/02

631963

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/us

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itL

oc

ate

Vie

wH

elp

12

34

56

70

100

200

300

400

500

E D C B A

Ne

twor

kT

raff

icH

elp

Service Term

inal

Nokia NetAct

Client PC

Client PC

Client PC

Client PC

7200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

Physical NEMU Architecture

•Th

ere are tw

o type

s of N

EMU. A

com

pact version

tha

t is in

clud

ed in

the

ca

bine

t of the

IPA

2800

(RNC and

MGW).

•Th

e Med

ium version

is situa

ted as an ex

ternal unit an

d is used in the

DX 200

ne

twork elem

ents of the MSC

and

HLR

.

CP

U c

ard

���

���

���

�����

���1

�����

���2COMPA

CT for A-series (IPA

2800)

MEDIUM for B-series (DX200)

CP

U c

ard

���

���

���

�����

���1

�����

���2COMPA

CT for A-series (IPA

2800)

MEDIUM for B-series (DX200)

8200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

App

lication

Lau

ncher

•Th

e App

lication La

unch

er is

the laun

ch pad

to the NEM

U

Environm

ent

•Ea

ch user/grou

p ha

s their ow

n us

erna

me an

d pa

ssword

•Th

e na

me (or IP add

ress) of the

NEM

U (ne

twork elem

ent) is

give

n

•Whe

n a session to N

EMU is

initiated then

the

App

lication

Laun

cher is

display

ed.

IP-address of NE

Nemuadmin

nemuuser

IP-address of NE

Nemuadmin

nemuuser

10

200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

Navigating the Network Elemen

ts in NEMU

•Th

e Network

Elem

ents, suc

h as

the RNC, c

ontain a

logica

l struc

ture of

the ne

twork (left

windo

w).

•Nav

igating the

netw

ork an

d find

ing/ch

anging

pa

rameters ca

n be

do

ne easily

throu

gh

the grap

hica

l interfac

e.

•Com

mon

com

man

ds

can be

learnt easier

as opp

osed

to a

comman

d lin

e ap

proa

ch.

11

200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

Rem

ote MML •NEM

U sup

ports grap

hica

l interfac

es to su

pport the more

common

tasks. H

owev

er, M

ML

comman

ds are used for the

more spec

ific and

spe

cialised

tasks

•Th

e MML session ca

n be

started

throug

h the us

e of the

NEM

U

interfac

e

•MML co

mman

ds are based

up

on a hierarchica

lly com

man

d lin

es.

DX 220 DX220-LAB 2000-09-14 21:53:55

MAIN LEVEL

? ..... DISPLAY MENU

A ..... ALARM SYSTEM ADMINISTRATION

D ..... SYSTEM SUPPORT AND COMMUNICATION

I ..... I/O SYSTEM ADMINISTRATION

L ..... BROADBAND ADMINISTRATION

N ..... SS7 NETWORK ADMINISTRATION

O ..... SUPPLEMENTARY SS7 NETWORK ADMINISTRATION

Q ..... O&M NETWORK ADMINISTRATION

R ..... ROUTING ADMINISTRATION

T ..... TRAFFIC ADMINISTRATION

U ..... UNIT ADMINISTRATION

W ..... SYSTEM CONFIGURATION ADMINISTRATION

Y ..... SYSTEM SUPERVISION

Z; .... END DIALOGUE/DESTINATION SELECTION (:)

MAIN LEVEL COMMAND <___>

<

12

200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

NEMU and Inform

ation Security

•Ea

ch user/grou

p mus

t be

registered

in N

EMU w

ith

an assoc

iated profile

•NEM

U kee

ps an Action Lo

g of all the us

er eve

nts in the

ne

twork for

trou

blesho

oting pu

rposes

•NEM

U uses a sepa

rate

application to con

figu

re

the us

er profiles

Fetche

d from

NEM

U

NE

MU

Action L

og V

iew

er

Applic

ation p

rovid

es

gra

phic

al user

inte

rface

to v

iew

log

s

Fetche

d from

NEM

U

NE

MU

Action L

og V

iew

er

Applic

ation p

rovid

es

gra

phic

al user

inte

rface

to v

iew

log

s

13

200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

NEMU App

lication

s –Fault M

anag

emen

t

•Altho

ugh ne

twork

mon

itoring is perform

ed by

the OSS

(NetAct), that

elem

ent mon

itoring an

d status

che

cking is don

e throug

h NEM

U

•In the

RNC, it is possible to

determ

ine the am

ount of

working

cells aga

inst the

ne

twork alarms.

•To

ols lik

e this can

be us

ed

in daily rou

tine

s an

d trou

blesho

oting

14

200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

NEMU App

lication

s –Con

figu

ration

Man

agem

ent (1/2)

•Th

ere are man

y pa

rameters us

ed in

the

ne

twork, espec

ially

in the

radio pa

rt. N

EMU

applications

can

be us

ed

to define ne

w

conn

ection

s, cha

nge

existing

definitions

and

remov

e old co

nnec

tion

s

•NEM

U can

be us

ed easily

to m

ake ch

ange

s

•Mass ch

ange

s of

parameters in the

network

shou

ld be pe

rformed

throug

h the us

e of the

OSS

(NetAct)

15

200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

NEMU App

lication

–Con

figu

ration

Man

agem

ent (2/2)

•In the

RNC, n

ew base stations

can

be crea

ted throug

h the us

e of the

NEM

U

application. The

creation prog

ress can

also be

mon

itored

Nav

igat

ion V

iew

Princi

ple

reuse

d in m

odific

atio

n d

ialo

gs

Usi

ng p

rogre

ss b

ars

Kee

pin

g the

use

r in

form

ed w

hat

is g

oin

g o

n

16

200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

NEMU App

lication

s –Performan

ce

Man

agem

ent •

The ne

twork elem

ents

gene

rate a m

assive

amou

nt

of perform

ance

data. In the

RNC and

MGW, the

se are

stored

in N

EMU before

tran

sfer to the OSS

.

•In the

RNC and

MGW,

grap

hica

l too

ls are used to

perform the

adm

inistration

of statistics (iewha

t’s on

)

•Th

e RNC also co

ntains

ap

plications

tha

t are us

ed to

view

on-

line Po

st-p

roce

ssed

statistics.

17

200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

NEMU –

Practical Session

(1/3)

Network Elem

ent na

me (or ad

dress): 10

.58.80

.20

User Nam

e: N

emua

dmin

Password:

nemuu

ser

1.Start the App

lication La

unch

er (on

PC) or la

unch

NEM

U from N

etAct.

2.Type

in user ID, p

assw

ord an

d Network Elem

ent as abo

ve.

3. H

ave yo

u ga

ined

acc

ess to the

App

lication Man

ager?

18

200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

NEMU –

Practical Session

(2/3)

1.From

the

App

lication Lau

nche

r, la

unch

the

help on

the

app

lication.

2.From

the

App

lication Lau

nche

r, find the do

cumen

tation

for the

network

elem

ent.

3.From

the

doc

umen

tation

, find the do

cumen

t which

exp

lains ho

w to

mon

itor the

network elem

ent.

4.From

the

App

lication Lau

nche

r, la

unch

the

network elem

ent MML

man

ager.

5.From

the

network man

ager M

ML, try som

e of the

com

mon

com

man

ds,

such

as ZU

SI; or ZABO; -if you

are unfam

iliar w

ith the

se com

man

ds the

n

write dow

n the resu

lts yo

u ob

served

:-

19

200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

NEMU –

Practical Session

(3/3)

1.La

unch

the

Log

Viewer

2.Wha

t fields can

you

see

?

3.Wha

t is the

Log

Viewer used for?

4.Close the

Log

Viewer

5.If w

orking

on the RNC, the

n start the Objec

t Browser

6.List the

fun

ctions

of the RNC Objec

t Browser

20

200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

Review Question

s

21

200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

NEMU Review (1/5)

1)On the TM

N w

hat ph

ilosoph

y of m

anag

emen

t do

es N

EMU sup

port?

a.Bus

iness Man

agem

ent

b.Se

rvice Man

agem

ent

c.Network ‘W

ide’

Man

agem

ent

d.Network elem

ent man

agem

ent

22

200

6 ©

NOKIA IPA ESS

-Nok

ia N

emu.ppt/ APr

/ 10.11.200

6

NEMU Review (2/5)

2)Ex

plain briefly the differen

ce betwee

n the

NEM

U clie

nt and

serve

r. Also,

wha

t is the

role of the

System M

anag

emen

t Se

rver (SM

S)?

NEM

U serve

ris a phy

sica

lunit loca

tedin the

networkelem

entwhich

contains

the grap

hica

lapp

lications

(alsotaskes

care

of OSS

Med

iation

). Whe

reas

the

Clie

ntis a PC/U

NIX box

con

nected

via LAN to the Se

rver and

throu

ghJA

VA

Laun

ches

a grap

hica

linterface

. The

SMS is respo

nsible

for mon

itoringan

d maintaining

NEM

U in

the

Network.

23

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6

NEMU Review (3/5)

3)Ex

plain briefly the differen

ce betwee

n N

EMU and

the

OMU?

NEM

U m

anag

esthe ex

ternal

interfac

esto and

from

the LA

N (incclientsan

dthe OSS

throu

ghthe op

enCOBRA in

terfac

e. N

EMU actsas a m

ediation

func

tion

to the

OSS

and

con

tainsthe grap

hica

ltoo

ls. T

he OMU is

respo

nsible

for the

real-tim

emainten

ance

and reco

very

of the

networkelem

ent. Itis alsorespon

sible

for the routingof data ou

tside the elem

ent. Itman

ages

the BTS

O&M in

RNC.

24

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6

4)Which

of the follo

wing is true ab

out the App

lication La

unch

er (on

ly one

)?

a.It is

a stand

alon

e ap

plication us

ed for M

ML

b.Con

tains all the

cus

tomer doc

umen

tation

c.En

vironm

ent that used to la

unch

the NE co

nnec

tion

sd.

Non

e of the

abo

ve

NEMU Review (4/5)

25

200

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ia N

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/ 10.11.200

6

5.Which

of the follo

wing is NOTtrue

(on

ly one

)?

a.Th

e on

-line he

lp can

be laun

ched

from the

App

lication La

unch

erb.

The cu

stom

er doc

umen

tation

can

be laun

ched

from the

App

lication La

unch

erc.

The us

er help ca

n be

laun

ched

from the

App

lication La

unch

erd.

The spec

ifications

can

be laun

ched

from the

App

lication La

unch

er

NEMU Review (5/5)