Data Access Solutions

Packet Switch Networks & Services

Networks• X.25• Frame Relay• ATM• MPLS• InternetServices• Point to Point connection• VPN connection• Internet Access

HK

MD

KPT

CEN

SI

Existing IP/MPLS Backbone

M.Agg=Metro Aggregation Switch

PE=Provider Edge

Internet Router

Internet

GE access rings

GE access rings

GE acce

ss rin

gs

GE access rings

GE access rings

10GE aggregation ring

GE

M.Acc=Metro Access Switch

GE

GE

GE

GE

GE

Metro Ethernet

Circuit Switch Networks & Dial up connections

PSTN

• POTS/ISDN

PLMN

• CDMA 2000 1x / EV DO

• GPRS / EDGE

VPN (Layer 3)

IP/MPLS

PE

PE

PE

PE

PE

PE

PE

ISP & Internet

CE

CE

CE

CE

CE

CE

CE

CE

VPN (Layer 2)

Metro Ethernet

M-Agg

ISP & Internet

CPE

M-Agg

M-Agg

M-Agg

M-Agg

M-Agg M-Agg

CPE

CPE

CPE

CPECPE

CPE

CPE

CPE

Last Mile Access Methods

• Leased Lines

• Point to Point Radio

• Linear Fiber

• Metro Ethernet

• Wi Max

• Dial VPN

• CDMA 2000 1x / EVDO

Leased Line

Local Trunk Transmission

Network (E1/STM1)MDF/DDF

IP/MPLS

PEn x E1/ STM1

DSU

Data Node Data NodeDACCS

Range : 5 kmMax Data rate:2Mbps

Point to Point Radio

Local Trunk Transmission

Network (E1/STM1)

IP/MPLS

PEn x E1/ STM1

DSU

Data NodeData NodeDACCS

Radio unit

Radio unit

Range : 15 kmMax Data rate:2Mbps

Linear Fiber

Local Trunk Transmission

Network (E1/STM1)

MPLS

PEn x E1/ STM1

Data Node Data NodeDACCS

Data Node

Linear fiber

Range : 10 km (max 80km)Max Data rate: 34Mbps (max STM4)

Metro Ethernet

IP/MPLS

PEn x GE

M-Access switch

M-Aggregation switch

Linear Fiber

Access ring

Aggregation ring

Range : 10 km (100m UTP)Max Data rate :100Mbps

Wi Max

IP/MPLS

PEFE

Base Station

Subscriber Station

Dial VPN Access

MDF/DDF

IP/MPLS

PE

E1

modem

NRAS

PSTNswitch

SP AAA

RSA

POTS/ ISDN

FE

Token

CDMA2000 1X/EVDO

IP/MPLS

PE

FE

USB modem

BSC & PCFPDSN

FE

E1

FE

Ethermax router

P-card

BTS

Range: > -100dBm,>-90dBmMax Data rate:70kbps, 1Mbps

Internet Access Methods

• Dial up access

• CDMA 2000 1x/EVDO

• GPRS/EDGE

• ADSL

Dial up Access

MDF/DDF

FE

E1

modem

NAS

PSTNswitch

POTS/ ISDN

Modem pool

ISP & Internet

CDMA2000 1X/EVDO

ISP & Internet

FE

USB modem

BSC & PCF PDSN

FE

E1

FE

Ethermax router

P-card

BTS

GPRS/EDGE

FE

FE

GPRS modem

BSC & PCU SGSN

FE

E1

Mobile/PDA

BTS GGSN

ISP & Internet

ADSL

MDF

IP/MPLS

PEGE

ADSLmodem

DSLAM

Splitter

PSTN

ADSLrouter

PSTN phone

BRAS

ISP/Internet

PE

Range: 5 kmMax Data rate: 2 Mbps / 512 kbps

ADSL with PSTN

MDF

IP/MPLS

PE

GE

ADSLmodem

CNL/CNE/CSND

Splitter

PSTN

ADSLrouter

PSTN phone

DDF

E1(IMA) / STM1

Transmission network

DSLAM

BRAS

PE

ADSL with NGN

MDF

IP/MPLS

PE

ADSLmodem

MSAN

Splitter

PSTN

ADSLrouter

PSTN phone

UMG

BRAS

FE

PE

DDF

E1

Other solutions

• Cable

• Satellite

• UMTS/HSDPA,etc.

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