10G Network ConfigurationFor

APII Korea-Japan International Link

Aug 23, 2005

KEPCO Group

Today’s Agenda

Current Network Configuration for APII Korea-Japan International Link

10Gbps Network Configuration for APII Korea-Japan International Link

- Option 1: Wavelength Leasing (STM-64, Two Routes)

- Option 2: Provisioned Circuit (10GbE)

- Comparison of Option 1&2

Current Network Configuration for APII Korea-Japan International Link

10Gbps Network Configuration for APII Korea-Japan International Link

- Option 1: Wavelength Leasing (STM-64, Two Routes)

- Option 2: Provisioned Circuit (10GbE)

- Comparison of Option 1&2

BusanLS

Current Network Configuration for APII Korea- Japan International Link

SLTE

KitakyushuLS

SLTE

FukuokaLS

SLTE

SLTE

ADM

KT BusanITMC

GbEConverter

KORENBusan

QTNetNWC

ADM

GbEConverter

KJCN

STM64

STM64

STM64

STM64

STM16STM16

GbE×2GbE×2

Note

SLTE: Submarine Line Terminal Equipment, DWDMADM: Add Drop Multiplexer : POS Interface

Provided by KT Provided by QTNet

JapanQ’siDC

CPECPE

BusanLS

10Gbps Network Configuration for APII Korea- Japan International Link

Option 1: Wavelength Leasing (STM64, 2 Routes)

SLTE

KitakyushuLS

SLTE

FukuokaLS

SLTE

SLTE

KT BusanITMC

KORENBusan

QTNetNWC

REG

JapanQ’siDC

KJCN

STM64 STM64

Note

SLTE: Submarine Line Terminal Equipment, DWDMREG: 10Gbps Regenerator *REGs would be required depending on the distance between SLTE and CPE. : POS/WAN PHY Interface

Provided by KT Provided by QTNet

REGSTM64 STM64

REG

REG

STM64

STM64

STM64

STM64

CPE CPE

BusanLS

10Gbps Network Configuration for APII Korea- Japan International Link

Option 2: Provisioned Circuit (10GbE)

SLTE

KitakyushuLS

SLTE

FukuokaLS

SLTE

SLTE

KT BusanITMC

KORENBusan

QTNetNWC

REG

JapanQ’siDC

KJCN

STM64STM64

Note

SLTE: Submarine Line Terminal Equipment, DWDMREG: 10Gbps Regenerator *REGs would be required depending on the distance between SLTE and CPE. : POS/WAN PHY Interface

Provided by KT Provided by QTNet

REGSTM64

REG

REG

STM64

STM64

STM64

STM64

10GbESW

10GbE

STM64

10GbESW

10GbE

CPECPE

10Gbps Network Configuration for APII Korea- Japan International Link

Comparison of Option 1&2

Option 1: STM64 Wavelength Leasing

Option 2: 10GbE Provisioned Circuit

Leasing Fee Low-priced High-priced

W&P Function Provided by Customers Provided by KT/QTNet

POS Function Provided by Customers Provided by KT/QTNet

Data SpeedMaximum 20Gbps, if customers use link aggregation function

Maximum 10Gbps

Latency Lower Slower

Others Purely dedicated circuit for APII

Thank You For

Your Attention