Mobile I Pv6 Service Mobile I Pv6 Service over the KAI ST Cam pus - PowerPoint PPT Presentation

Mobile I Pv6 Service Mobile I Pv6 Service over the KAI ST Cam pus over the KAI ST Cam pus w ith KOREN w ith KOREN 2 0 0 6 . 1 .2 4 2 1 st APAN Meeting, Tokyo Jaew ha Lee, Heesang Park KOREN NOC Next Generation I nternet Division Advanced Technology Laboratories

I Pv6 Trial Project I Pv6 Trial Project � Purpose � Develop WiBro Applications & Contents that can be provided over IPv6 � Wireless Broadband network from 2006 � Development Mobile IP technology for WiBro mobility � Develop Security and Authentication mechanism � Expectation � The biggest IPv6 Wireless Network in Korea � Secure Service experience and Network operating technology � IPv6 Promotion through successful IPv6 transition of large scale Portal � Secure major Technologies for IPv6 based WiBro service ATL KOREN NOC

I Pv6 Trial Netw ork I Pv6 Trial Netw ork � Network � IPv6 Campus Network (KAIST) using WLAN � similar to WiBro environment � Research & Development � Mobile IPv6/ Fast Handoff � Windows based terminal with MIPv6 � IPv6 based Authentication, Security � Service verification on WiBro testbed � Apps and Contents � IPv6 Portal service using NAT-PT � KTH Paran.com � IPv6 Transition Guideline for legacy Portal � Verify and Test IP Mobility service and Contents on large scale network ATL KOREN NOC

I Pv6 Trial Netw ork Configuration I Pv6 Trial Netw ork Configuration Potal: Paran.com WiBro Test Bed NAT-PT KT HITEL NCA IPv6 KOREN Exhibition Room DNSv6 HA(Home Agent) IPv6 Router Access Router Cat3550-12G Cat2950G-24 IPv6 Router IPv6 Router MIPv6 MN AAA/DHCPv6 Access Router Access Router HANARO (AR) APAN IPv4 Cat6509 Switch GNG Border Router KAIST Network Cat4500 & Cat2950 Kreonet … … Cat6500 & Cat4000 … & Cat3500 Access Point Access Point IEEE802.1Q IEEE802.1Q VLAN Trunk (AP) (AP) … … … VLAN Trunk MIPv6 Mobile MIPv6 MN MIPv6 MN MIPv6 MN MIPv6 MN MIPv6 MN Node(MN) ATL KOREN NOC

Netw ork Configuration Netw ork Configuration � AP: 2 SSIDs/ VLANs � AP - IPv4 Router/ IPv6 AR : 802.1q VLAN Trunk � IPv4_KAIST : IPv4 network in KAIST � IPv4 address : DHCP � IPv6_KAIST : IPv6/ IPv4 dual stack enabled test network � IPv6 address : Auto-configuration � IPv4 address : DHCP � AR and IPv6 router : PC-based router IPv4 Router KAIST Layer 2 Backbone AP Mobile Node IPv6 IPv4/IPv6 AR Router Subnet ATL KOREN NOC

Netw ork Construction Netw ork Construction � Subnets are configured in the area where MIPv6 Handover can occur frequently. � The other area is configured as single subnet AP Network lecture Subnet C building EECS building 4th 3rd 2nd 1st RACK Subnet A Subnet B ATL KOREN NOC

VLAN Configuration in KAI ST - 9 Subnets VLAN Configuration in KAI ST - 9 Subnets Cisco GSR 12012 에너지환경 신기술창업관 CHiPS 연구센터 LG Hall Cisco Catalyst 6509 바동 Subnet #8 (snw6_08) 동문창업관 공작실 모터풀 여학생 Cisco Catalyst 6506 마동 학사기숙사 PP 동 2 호관 나동 교수회관 APAN 라동 Cisco Catalyst 4506 다동 인문사회과학관 기계 ( 서관 ) 가동 별동 3 호관 Cisco Catalyst 4006 Subnet #9 (snw6_09) GNG Cisco Catalyst 4003 1 호관 항공우주 Subnet #5~7 교양도서관 기계공학동 Cisco Catalyst 3500XL 학사기계실 기계 ( 동관 ) Hanaro 태울관 (snw6_05~07) Cisco Catalyst 2950G 체육관 Single Mode Fiber 원자력양자 교육지원동 (Core Link) 행정분관 Kreonet 풍동실험실 대강당 Multi Mode Fiber Single Mode Fiber 행정동 인공위성 독신료 Multi Mode Fiber 영빈관 Single Mode Fiber 4 동 5 동 2 동 정문술빌딩 기혼자기숙사 3 동 2 동 1 동 Subnet #5~7 3 동 네트워크 서측학생회관 7 동 신축생활관 (snw6_05~07) 서측기계실 강의동 과학도서관 교직원회관 1 동 다솜관 생명화공 5 동 동측기숙사 화학 5 동 PP 동 반도체동 6 동 전기전자공학동 Subnet #1~4 의과학연구센터 산업공학 물리 생물과학 (snw6_01~04) 4 동 6 동 무기재료공학 건설환경 3 동 영상동 4 동 PP 동 수학 재료공학 산업경영 전산학동 1 동 산업경영학동 NanoFab Center 2 동 자연과학동 응용공학동 서측기숙사 ATL KOREN NOC

ATL W LAN Configuration over the KAI ST cam pus W LAN Configuration over the KAI ST cam pus Outdoor AP KOREN NOC

Netw ork Configuration Netw ork Configuration KOREN DNS/Proxy AAAv6 HA Server Server Switch Router02 eth0 Router03 eth0 Router01 eth0 Router02 Router03 Router01 eth1 eth1 eth3 eth3 eth3 eth1 eth2 eth2 eth2 eth0 eth0 eth0 eth0 eth0 eth0 eth0 eth0 eth0 AR01 AR02 AR03 AR05 AR06 AR07 AR08 AR09 AR04 eth1 eth1 eth1 eth1 eth1 eth1 eth1 eth1 eth1 ATL KOREN NOC

I Pv6 Contents Trial Service I Pv6 Contents Trial Service � IPv6 Potal Trial Service � Develops network construction and services to provide IPv6 contents � Goal of IPv6 Service Network Construction � Implement 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 Construction � Providing contents service by the existing Paran Web reference method � Construction of IPv6 dedicated main Web page ATL KOREN NOC

Paran I Pv6 Netw ork Configuration Paran I Pv6 Netw ork Configuration � Interworking between KOREN and Paran network � IPv4, IPv6 Dual-Stack DNS operation (KAIST) KAIST IPv6 area IPv4 IPv6 DNS(V4/V6) IPv4 IPv6 NAT-PT 1G IPv6 Router Paran KOREN Contents/ L3 SW Premium Zone V4 service area www.paran.com ATL KOREN NOC

I Pv6 Paran Contents I Pv6 Paran Contents Paran generic service Paran Premium service Movie Cartoon Bell sound IPv6 main Web page SMS e-Book E- Learning ATL KOREN NOC

MI Pv6 Handover tim e by W LAN interface cards MI Pv6 Handover tim e by W LAN interface cards � Measured handover time: about 4 sec � Abnormal samples result from network delay or large L2 handover time 35 3Com 3CRPAG175 Intel Centrino Cisco Aironet 30 25 20 Time (sec) 15 10 5 0 1 11 21 31 41 51 61 71 81 91 101 111 121 131 141 151 Num ber of Measurem ent (tim es) ATL KOREN NOC

FMI Pv6 Handover tim e - I ntel Centrino FMI Pv6 Handover tim e - I ntel Centrino � Fast handoff Occurrence – 117 times � Measured L3 handoff latency : within 200ms � Abnormal samples results from network delay or interference between same channel APs 3. 4 3. 2 3. 0 2. 8 L3 Handoff Tim e L3 Handoff Latency L2 Handoff Tim e 2. 6 2. 4 2. 2 2. 0 Time (sec) 1. 8 1. 6 1. 4 1. 2 1. 0 0. 8 0. 6 0. 4 0. 2 0. 0 1 11 21 31 41 51 61 71 81 91 101 111 Num ber of Measurem ent (tim es) ATL KOREN NOC

Plan 2 0 0 6 Plan 2 0 0 6 � Installation of WiBro equipments (RAS/ ACR) at KAIST � Constructing IPv6 WiBro/ WLAN network � Development of IPv6 Mobile Solution for PDA � Implementation of Vertical Roaming between IPv6 WiBro and WLAN � KAIST wired network and contents server ( BBS, FTP server… ) inside KAIST based on IPv6 � Dedicated IPv6 contents servers ATL KOREN NOC

More Questions and Com m ents, More Questions and Com m ents, please em ail to please em ail to jhlee@noc.kr.apan.net jhlee@noc.kr.apan.net Thank you very m uch ! Thank you very m uch !