KOREN NOCNext Generation Internet Division

Advanced Technology Laboratories

Mobile IPv6 Service over the KAIST Campus

with KOREN

Mobile IPv6 Service over the KAIST Campus

with KOREN

2006. 1.2421st APAN Meeting, Tokyo

Jaewha Lee, Heesang Park

ATLKOREN NOC

IPv6 Trial ProjectIPv6 Trial Project

PurposeDevelop WiBro Applications & Contents that can be provided over IPv6 Wireless Broadband network from 2006Development Mobile IP technology for WiBro mobilityDevelop Security and Authentication mechanism

ExpectationThe biggest IPv6 Wireless Network in KoreaSecure Service experience and Network operating technologyIPv6 Promotion through successful IPv6 transition of large scale PortalSecure major Technologies for IPv6 based WiBro service

ATLKOREN NOC

IPv6 Trial NetworkIPv6 Trial Network

NetworkIPv6 Campus Network (KAIST) using WLAN

similar to WiBro environment

Research & DevelopmentMobile IPv6/Fast HandoffWindows based terminal with MIPv6IPv6 based Authentication, Security

Service verification on WiBro testbed

Apps and ContentsIPv6 Portal service using NAT-PT

KTH Paran.com

IPv6 Transition Guideline for legacy PortalVerify and Test IP Mobility service and Contents on large scale network

ATLKOREN NOC

IPv6 Trial Network ConfigurationIPv6 Trial Network Configuration

KAIST Network

WiBro Test Bed

KOREN

Access Router(AR)

MIPv6 Mobile Node(MN) MIPv6 MN

DNSv6 HA(Home Agent)

AAA/DHCPv6

Access Router

MIPv6 MN

IPv6 Router

MIPv6 MN MIPv6 MN

Access Router

MIPv6 MN MIPv6 MN

IPv6 Router

NCA IPv6 Exhibition Room

…Access Point

(AP)

IPv6 Router

Cat6509 Switch

… …

… … …Access Point

(AP)IEEE802.1QVLAN Trunk

Cat6500 & Cat4000 & Cat3500

Cat4500 & Cat2950

IEEE802.1QVLAN Trunk

Cat3550-12G

Cat2950G-24

HANARO

APAN

Border Router GNG

Kreonet

IPv4

KT HITEL

Potal: Paran.comNAT-PT

ATLKOREN NOC

Network ConfigurationNetwork Configuration

AP: 2 SSIDs/VLANsAP - IPv4 Router/IPv6 AR : 802.1q VLAN TrunkIPv4_KAIST : IPv4 network in KAIST

IPv4 address : DHCP

IPv6_KAIST : IPv6/IPv4 dual stack enabled test networkIPv6 address : Auto-configurationIPv4 address : DHCP

AR and IPv6 router : PC-based router

IPv6AR

Mobile Node IPv4/IPv6

RouterSubnet

KAIST Layer 2 Backbone

AP

IPv4 Router

ATLKOREN NOC

Network ConstructionNetwork Construction

Subnets are configured in the area where MIPv6 Handover can occur frequently.The other area is configured as single subnet

Network lecture building

EECS building

1st

2nd

3rd

4th

RACK

Subnet A Subnet B

Subnet CAP

ATLKOREN NOC

VLAN Configuration in KAIST - 9 SubnetsVLAN Configuration in KAIST - 9 Subnets

서측학생회관

풍동실험실

PP동

원자력양자

항공우주

기계(서관)

기계(동관)

학사기숙사

행정동

자연과학동

전산학동

산업경영학동

응용공학동

동측기숙사

Kreonet

GNG

Hanaro

CHiPS LG Hall

교육지원동

동문창업관

행정분관

APAN

인공위성

교수회관

모터풀공작실

반도체동

영상동

교직원회관

PP동

대강당

체육관

생명화공

무기재료공학

재료공학

산업공학

산업경영 수학

물리

생물과학

화학

기혼자기숙사

독신료

건설환경

서측기숙사

서측기계실

의과학연구센터

과학도서관

PP동

학사기계실

태울관

에너지환경연구센터

여학생

나동

가동

다동 라동

마동

바동

교양도서관

6동5동

4동

2동

3동

1동

4동

2동5동

3동1동

3동7동

5동

6동4동

1동

2동

영빈관

1호관

3호관

2호관

기계공학동

인문사회과학관

정문술빌딩

네트워크강의동

신기술창업관

별동

NanoFab Center

전기전자공학동

신축생활관

다솜관

Cisco Catalyst 6509

Cisco GSR 12012

Cisco Catalyst 4006

Cisco Catalyst 4003

Cisco Catalyst 3500XL

Single Mode Fiber

Multi Mode Fiber

Single Mode Fiber(Core Link)

Single Mode FiberMulti Mode Fiber

Cisco Catalyst 4506

Cisco Catalyst 6506

Cisco Catalyst 2950G

Subnet #8 (snw6_08)

Subnet #9 (snw6_09)

Subnet #5~7 (snw6_05~07)

Subnet #1~4 (snw6_01~04)

Subnet #5~7 (snw6_05~07)

ATLKOREN NOC

WLAN Configuration over the KAIST campusWLAN Configuration over the KAIST campus

Outdoor AP

ATLKOREN NOC

Network ConfigurationNetwork Configuration

KOREN

Router01 eth0

eth2eth1 eth3

eth0 eth0 eth0

eth1eth1 eth1

Router02 eth0

eth2

eth1 eth3

eth0 eth0 eth0

eth1eth1 eth1

Router03 eth0

eth2

eth1 eth3

eth0 eth0 eth0

eth1eth1 eth1

Router01

AR01 AR02 AR03 AR04 AR05 AR06 AR07 AR08 AR09

Router02 Router03

DNS/Proxy Server HA AAAv6

Server

Switch

ATLKOREN NOC

IPv6 Contents Trial ServiceIPv6 Contents Trial Service

IPv6 Potal Trial ServiceDevelops network construction and services to provide IPv6 contents

Goal of IPv6 Service Network ConstructionImplement IPv6 service for going toward commercial service Increase user satisfaction by High quality contents and service provision Construction of service network providing commercial contents

Strategy of Contents Potal ConstructionProviding contents service by the existing Paran Web reference methodConstruction of IPv6 dedicated main Web page

ATLKOREN NOC

Paran IPv6 Network ConfigurationParan IPv6 Network Configuration

Interworking between KOREN and Paran network IPv4, IPv6 Dual-Stack DNS operation (KAIST)

ParanContents/

Premium ZoneV4 service

area

KAISTIPv6 area

IPv4IPv4

IPv6 Router

1G

IPv6IPv6 DNS(V4/V6)

KOREN

www.paran.com

L3 SW

NAT-PT

ATLKOREN NOC

IPv6 Paran ContentsIPv6 Paran Contents

Paran generic service Paran Premium service

Movie Cartoon Bell sound

SMS e-Book E- LearningIPv6 main Web page

ATLKOREN NOC

0

5

10

15

20

25

30

35

1 11 21 31 41 51 61 71 81 91 101 111 121 131 141 151

3Com 3CRPAG175 Intel Centrino Cisco Aironet

Number of Measurement (times)

Tim

e (

sec)

MIPv6 Handover time by WLAN interface cardsMIPv6 Handover time by WLAN interface cards

Measured handover time: about 4 secAbnormal samples result from network delay or large L2 handover time

ATLKOREN NOC

FMIPv6 Handover time - Intel CentrinoFMIPv6 Handover time - Intel Centrino

Fast handoff Occurrence – 117 timesMeasured L3 handoff latency : within 200msAbnormal samples results from network delay or interference between same channel APs

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

2.8

3.0

3.2

3.4

1 11 21 31 41 51 61 71 81 91 101 111

Number of Measurement (times)

Tim

e (

sec)

L3 Handoff Time L3 Handoff Latency L2 Handoff Time

ATLKOREN NOC

Plan 2006 Plan 2006

Installation of WiBro equipments (RAS/ACR) at KAIST Constructing IPv6 WiBro/WLAN network

Development of IPv6 Mobile Solution for PDAImplementation of Vertical Roaming between IPv6 WiBro and WLANKAIST wired network and contents server ( BBS, FTP server… ) inside KAIST based on IPv6Dedicated IPv6 contents servers

More Questions and Comments,

please email tojhlee@noc.kr.apan.net

Thank you very much !

More Questions and Comments,

please email tojhlee@noc.kr.apan.net

Thank you very much !