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DNS GGSN

2G SGSN

BIG -IP

TA

CG

3G SGSN

BTS

BSC

MSC

RNC

Node B

HLR

MSS

UMTS

GSM

NAWG

BG

GPRSFW

NMSFW

GRX

INTERNE

INTERFACESGb Gr Gn GaGi-ex Gi-in Go!"

GPRS NETW#R$GPRS NETW#R$

SGSN = Serving GPRS Support NodeGGSN = Gateway GPRS Support Node

BG = Border GatewayTA = Traffic Analyser

NAWG = Nokia Artuse WAP GatewayCG = Carging GatewayN!S "W = Network !anage#en

Wall

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SGSN

2G 3G

GTP T%nne&in' PAPU TU ! FU

A(eni)aion* A%(ori+aion SMMU SS, Uni

Ci(erin'* Co"re..ion SMMU SS, Uni

Inera)ion /i( HLR* MSC01LR SMMU SS, Uni

Mobi&i Mana'e"en SMMU SMMU

Se..ion Mana'e"en SMMU SMMU C(ar'in'* Sai.i). MCHU TU

NMS inera)e. #MU CRP

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GGSN

Inera)e o exerna& daa ne/or4. En)a.%&ae in GTP and or/ard. end %.er daa o

SGSN

Ro%e. "obi&e ori'inaed a)4e. o ri'(de.inaion

Fi&er. end %.er ra5)

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U.ed or "ain' &o'i)a& na"e. o IP addre..e. in (e GPRba)4bone ne/or4. 6inra and iner7

APN o GGSN8. IP addre..

RA Id o SGSN8. IP addre..

DNS o di9eren #eraor. "a )o""%ni)ae dire)& or :iaRoo DNS;

DNS

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CDR )o&&e)ion ro" GSN. 6SGSN0GGSN7 Iner"ediae .ora'e or CDR. 6beore .endin' o

Bi&&in' Cener7

CDR :a&idaion* )on.o&idaion* or"ain'

o ro:ide .in'&e a))e.. oin o Bi&&in' Saion

CG

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No4ia WAP Gae/a enab&e. .e)%re a))e.. o a /ide :arie o"obi&e inerne .er:i)e.* .%)( a. inor"aion .er:i)e.* enerain".er:i)e.* and "obi&e ban4in' .er:i)e.;No4ia WAP Gae/a )an a&.o a) a. a P%.( Prox Gae/a 6PPG7enab&e. oeraor. and .er:i)e ro:ider. o o9er P%.( .er:i)e. o.%b.)riber.

NAWG

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< )on:er'en reaid and o.-aid a)4e daa*"e..a'in'* and )onen )(ar'in'< =exib&e )(ar'in' "ode&.< deai&ed roo)o& ana&.i.< .ie >&erin' and )onro&

TA

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I.o&ae (e Ba)4bone ro" exerna& ne/or4.

Proe) and i.o&ae (e C(ar'in' and #eraion andMainenan)e ne/or4

To roe) (e IP ne/or4 a'ain. exerna& aa)4

6i;e; (a)4er.7

Re?e) a&& a)4e. (a are no ar o a GPRS .%b.)riberiniiaed )onne)ion

Ne/or4 Addre.. Tran.&aion

Fire/a&&

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Pro:ide Se)%re &in4. and )onne)i:i be/een

GPRS #eraor. ba)4bone ne/or4.

A) a. a Ro%er and a Fire/a&&

BG

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GPRS Interfaces

Gb - SGSN to BSSGn - between GSNs (GTP)Gr -between SGSN and HLR (MAP)Gs -SGSN to MS (BSSAP!)G" - GGSN to e#terna$ data networ%sGf - SGSN and t&e EIR (MAP)Gd - SGSN and GMS (SMS)

G' - between GSNs of d"erent PLMNsGa - between GSNs and G