10 IP Network for NGN System-22

8/3/2019 10 IP Network for NGN System-22

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CN D& T GroupCN D& T Group

IP network for NGNIP network for NGN

V1. 1V1. 1

IPUB_902_C1


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ContentContent

q NGN IP network architecture

q

NGN equipment connection with IPnetwork

q NGN office connection

q Stability and security of NGN IP network


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I PI P WL A N b a c k b o n eWL A N b a c k b o n e

NGN network architectureNGN network architecture

Service layer

Control layer

Core layer

Access layer

SIP Phone POTS MobilPC

AG TG SGIAD

SoftSwitch SoftSwitch

PSTN

APPS APPS

IP FAX


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The IP network of NGNThe IP network of NGN

I P c i t y a r e a n e t wo r kI P c i t y a r e a n e t wo r k

Broadband access

network

AGSIP client

SIP Phone

I A D

I P b a c k b o n e n e t wo r kI P b a c k b o n e n e t wo r k

TG/SG

PSTNPSTN

APPS

Other domain

SoftSwitch

FW/BAC

SoftSwitch

MAN/LANMAN/LAN

B a c k b o n eB a c k b o n e

n e t wo r kn e t wo r kTG/SG

TG/SG

CPN

2.5 generation fix line networkVIP access/unified service supplyLong distance load sharing

TG/SG

APPS

LocalSoftSwitch

Ss dom

ain


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AG

TG/SG

PSTNPSTN

CR CR

SR SR

L2/L3 SW

L2 SW/

APPS

SoftSwitch

IAD

FW

MAN backbone network

FWnetworkaddress transform

Broad band accessnetLANxDSLCableBWAetc

DSLAM

1Using MPLS

VPN network tocarry the NGNserviceis themainstream ofnetwork

evolution,because thetechnology hasmanyadvantage

2By optimizetodays MAN , itcan supportMPLS VPN

SoftSwitch

CR/SR

VPNsubinterface

Multi VPNVPN-IPTV

NGN bearer network- using MPLS VPN technologyNGN bearer network- using MPLS VPN technology


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NGN bearer network- using MPLS VPN technologyNGN bearer network- using MPLS VPN technology

Using INTERNET or private networkboth has their

own advantageQoslow cost

MPLS will be the core technology of IP network,

MPLS VPN can keep the advantage of privatenetwork, at a very low cost.


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ContentContent


q NGN equipment connection with IP

network




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How NGN equipment access to the IP networkHow NGN equipment access to the IP network


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How NGN equipment access to the IP networkHow NGN equipment access to the IP network


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P E 1 P E 2

S W1 S W2 S W3 S W4

S W5

S W6

T G S S 1 S S 2

n * GE

n * GE1 GE 1 GE1 GE1 GE

n * F E n * F En * F E n * F E

Ge

F E F E

F E

F E

Maintenance

VPN VLAN subin ter faceVLAN sub

in ter face

DCN

Backup

main tenance

channel

NGN bearer network maintenance networkNGN bearer network maintenance network


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VRRP

BFD

eBGP

NGN bearer network - stabilityNGN bearer network - stability


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SS

GE

PE CN2 node

T16C *2

TG

NN node

CN2 nodeNational networkProvince part

NN node

PSTNPSTN

CR CR

BRAS

SR SR

APPSSoftSwit

ch

MAN

PE

PE

PE

The relationship between local network and long-

distance network

The relationship between local network and long-distance network

MPLS VPN

NGNmedia + signaling

Maintenance VPN

NN: national network


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ContentContent



network




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TG1

ZXR10 T16C

TG4TG3TG2

ZXR10 T128-2

CityB

CN2

ZXR10 T16C

ZXR10 T128-1

SS1-2SS1-1

CityA

CN2-PE

GE GE

GEGE

SG-1SHLR-1 SG-2 SHLR-2

9*FE*2

1*GE*4

1*FE*2 9*FE*2 1*FE*2 1*FE*2

1*GE*4

1*FE*2

3*GE*2

GE GE

3*GE*2 3*GE*23*GE*2

2*FEH.248

L2L2

L2L2

ZXR10 GERVRRP VRRP

VRRP

NGN local network connectionNGN local network connection


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City B

City A

TG8 TG2TG3TG7

ZXR10 T128-2

CN2

ZXR10 T128-1

SS1-3SS1-2

CN2-PE

GEGE

GE GE

SHLR-1 SG-2 SHLR-2

9*FE*2

1*GE*4

1*FE*29*FE*2 1*FE*2 1*FE*2

1*GE*4

9*FE*2

4*GE*2

GE GE

4*GE*24*GE*2

SS1-4

9*FE*2

SS1-1SG-1

1*FE*2

TG4

4*GE*24*GE*2

TG6TG5

4*GE*24*GE*2

TG1

4*GE*2

VRRP

L2

OSPF(MD5) OSPF(MD5)

L2L2L2

ZXR10 GERVRRPVRRP

Local NGN network connectionLocal NGN network connection


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9*FE

S S . 2

DCN

1*GE+2*FE

FE

S G

SHLR

GER.1

o f f i c eS S . 1

PIX535.1

GE

GE

GE

T16c.19*FE

FE

GE

2*FE

GE

PIX535.2

PIX525.3

PIX525.4

T16c.2T16c.4

T16c.3

CN2

GER.2

1*GE+1*FE

1*GE+2*FE

1*GE+1*FE

2*FE

FE

FE

9*FE

9*FE

FE

FE

GEGE

GE

GE

GE

GE

GE

T128.2

T128.1

The NGN network of the officeThe NGN network of the office


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S S 1

DCN

FE

S G1

SHLR1

T128.1

Co r e o f f i c e

PIX525.1

1*GE

1*GE

1*GE

T16c.1

9*FE

FE

1*FE1*GE

2*FE

1*GE

PIX525.2

PIX525.3

PIX525.4

T16c.2T16c.4

T16c.3

CN2

T128.2FE

T G1

2FE1*FE

1*GE

1*GE+2*FE

1*GE+1*FE

Typical network of NGN officeTypical network of NGN office


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ContentContent



network


q Stability and security of NGN IP

network


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Medial, signaling and maintenancein different network

Medial, signaling and maintenance

in different network

signaling

medial

H.248 message

need to get

through

firewall

maintenance


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SS7SS7

networknetwork

IPIP LSTPLSTP

SGSG

ConnectiConnection area 1on area 1

ConnectiConnection area 2on area 2

LSTPLSTP

SS1/SSP

TG

AGAG

Soft phoneSoft phone

SS2/SSPS I P - I

TS/GW/TMTS/GW/TM

/SSP/IGW/SSP/IGW

SHLRSHLR

11

SHLRSHLR

22

T G r e g i s t e r

t o b o t h S S

S S r e d u n d a n c y l o a d

s h a r i n gb e t we e n S S ,n e t l i k e c o n n e c t i o n

S HL R r e d u n d a n c y

l o a d s h a r i n gS G

r e d u n d a n c y

r e g i s t e rt o b o t h S S

L S T P

n e t l i k e

c o n n e c t

t o S G

L S c o n n e c t t o

b o t h S S + T Gl o a ds h a r i n g

Network stabilityNetwork stability


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Network stabilityNetwork stability

VLAN

VRRP

Firewall,

ACL

All route running

OSPF.

SIP,H.248,MSIP,H.248,MAP+,SIGTRANAP+,SIGTRAN

MediaMedia

RTP,RTCPRTP,RTCP

SNMP,FTPSNMP,FTPDCNDCN

VRRPVRRP VRRPVRRP


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10 IP Network for NGN System-22

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