KREONET/KREONet2 and KoreaLight Activity Dongkyun Kim Supercomputing Center, KISTI Aug. 26, 2004.

Supercomputing Center 2 Contents  KREONET/KREONet2/SuperSIReN  Domestic & International Network Facility  Network Engineering  KoreaLight Activity  Concluding Remarks

Supercomputing Center 3 What is KREONET/KREONet2?  Korea Research Environment Open NETwork  National high-performance science & research network in Korea  About 200 members : Universities, National Research Institutes, industrial research institutes, government organizations, etc.  High-capacity access network(1Gbps~) : 30 major institutions/universities  Nation-wide optical gigabit backbone network  12 GigaPoPs in 11 regions (~ 10Gbps)  KREONet2  International R&E network based on KREONET  Korea-US (StarLight via CA*net4 Lightpath, PNWG) : OC12*2 (1.2Gbps)  Korea-China (OC3, with CSTNet/CNIC)  KR-JP, KR-SG, KR-EU (via APII, TEIN)  Advanced network engineering  IPv6, QoS, Multicast, Traffic Measurement, Security, etc.  Nation-wide 6KREONET and Mbone  Supporting advanced applications : Grid, e-Science, etc.

Supercomputing Center Launched KREONET Project 1991 Direct peering with CERFNet/NSFNET 1994 Direct peering with EU’s EuroPaNet 1995 Direct peering with Japan’s IMNET2001 Direct peering with STAR TAP & Abilene Launched KREONet2 Jan 1988 Dec 1988 Jun 1991 Jun 1994 Oct 1995 Jan 2001 May 2001 Jun 2001 Aug 2001 Jan 2002 Apr 2002 Jul  Launched KREONET Project, national research network activities (by SERI)  Introduced 1 st Supercomputer (Cray2 S-4/128) activating KREONET  Interconnected to US’s CERFNET/NSFNET(SDSC, US)  Interconnected to EU’s EuroPaNET  Interconnected to Japan’s IMNET  Newly born as the KISTI(after merging KORDIC and KINITI)  Interconnected to NSF’s STAR TAP providing ITN service with 45Mbps link.  Interconnected to Abilene/Internet2 at Layer 2 peering  6Bone and Mbone constructed, IP QoS, deployed, Monitoring & Perf Analysis  Launched National Grid(N*Grid) Project  Deployment of room type Access Grid(KISTI) in Korea  Introduced 3rd Supercomputer(IBM Regatta System, NEC SX-5X)  KREONET backbone upgrade(~5Gbps) Daedeok SuperSIReN (~10Gbps, 7 institutes) STAR TAP link upgrade (155Mbps)  Starting 10G Lambda networking service  KR-US link migration to StarLight and upgrade(via PNWG, CA*net4 Lightpath):1.2Gbps History Launched N*Grid 2002

Supercomputing Center 5 KREONET/KREONet2 6TAP Internet2 /Abilene SURFnet, CERN Europe Kwangju Busan Suwon Chonan Jeonju Chang- won Pohang K R E O N E T APII Seoul StarLight/ PacWave CA*net4 KREONet2 High-Tech S&T Facilities (High-Performance Cluster/Supercomputers, Storage, Experimental Facilities, Visualization, Access Grid, DB Servers, etc.) e-Science based KREONET/KREONet2/SuperSIReN → joining global Cyber nfrastructure GEANT Singapore/SingAREN Daegu SuperSIReN China/CSTNET ITN Service Daejeon Incheon Japan/SINET Genkai/APII TEIN

Supercomputing Center 6  Super Science & Information Research Network : High-performance science & research network in Daedeok science town  Members : major institutions and universities in Daedeok science town (currently seven members)  Capacity : 1.25 Gbps ~ 10 Gbps (Wireless/Wired)  Technology : Lambda networking and application technologies  Supports : Collaboration based on Grid / e-Science  Goal : world-class “High-performance regional research network” SuperSIReN(1)

Supercomputing Center 7  The first Stage of SuperSIReN : , 7 institutes, 10Gbps regional testbed 10Gbps 10Gbps 10Gbps 1 10Gbps 10Gbps 1 10Gbps 10Gbps 54Mbps(wireless) 54Mbps(wireless) 1~10Gbpslink(wire) 54Mbps link(wireless) 1Gbps ( 예정 ) SuperSIReN ~1.5Gbpslink(FSO) Gbps (FSO) 10Gbps 10Gbps 1 10Gbps 10Gbps 54Mbps(wireless) 54Mbps(wireless) 1~10GbpsLink (wired) 54Mbps Link (wireless) 10Gbps SuperSIReN ~1.5GbpsLink (FSO) ~1.5 Gbps (FSO) 1.2Gbps 10Gbps SuperSIReN(2)

Supercomputing Center 8 SuperSIReN(3): FSO Installation

Supercomputing Center 9 SuperSIReN Members (Expected) - in Daeduck Science Park

Supercomputing Center 10 Contents  KREONET/KREONet2/SuperSIReN  Domestic & International Network Facility  Network Engineering  KoreaLight Activity  Concluding Remarks

Supercomputing Center 11 Universities Government Institutions Industrial Institutions Etc.Total KREONET/KREONet2 MSPP Lambda Allocation Service 2.5~10Gbps 10Gbps 5 Gbps 10  40Gbps Kwangju Changwon Busan Pohang Daeg u Cheonan Suwon Incheon Daejeon Jeonju 2.5 Gbps SuperSIReN Genkai/SINET Seoul

Supercomputing Center 12 Domestic Lambda Network Facility 5G Seoul 2.5G 10G 5G SeoulSuwon Incheon Chungnam Jeonju Kwangju Daejeon Changwon Busan Daegu Pohang Core Router Legend ONS15454 Access Router GigE Switch 5G 2.5G WDM 120G 2.5G 10G 2.5G 5G

Supercomputing Center 13 Lambda Networking Members Media Lab Chungnam Seoul Gyunggi (Suwon, Incheon) Daejeon Jeonbuk Gwangju Changwon Pohang Daegu Busan

Supercomputing Center 14 Daejeon ONS15454 Catalyst 6506 OSR 7613 ONS DWDM(320G) + MSPP(10G) ONS GigE/10GigE 10GbE/GbE SuperSIReN Upgrade Plan (Phase 2)

Supercomputing Center 15 KR-US/CA Trans-pacific connection (1) Participation in Global-scale Lambda Networking Two STM-4 circuits (1.2G) : KR-CA-US PacWave and StarLight (via CA*net4 lightpath) Joining Global-scale lambda Grid networking STM-4 * 2 Seattle APII-testbed/KREONet2 KREONET/SuperSIReN CA*Net4 Global Lambda Networking StarLight Chicago PacWave

Supercomputing Center 16 KR-US/CA Trans-pacific connection (2) KREONet2 GSR Daejeon, Korea Seattle, US Chicago, US PacWave ONS15454 GigE Switch Router StarLight OC12 circuit 1GigE circuit KREONet2 Cisco TAP PNWG SURFnet CERN

Supercomputing Center 17 International BGP Peering Status PeersInterface(s) IPv4IPv6 Remarks UnicastMulticastUnicast StarLight 1 GigE---Chicago (Layer 2) PacWave 1 GigE---Seattle (Layer 2) Abilene 1 GigE * 2OOO StarLight, PacWave 6TAP 1 GigE--OStarLight MREN 1 GigEOO-StarLight CA*net4 1 GigE * 2OOO StarLight, PacWave TANet2 1 GigEOOOPacWave PNWG 1 GigEO--PacWave CERN 1 GigEO-OStarLight SURFnet 1 GigEOOOStarLight ESnet 1 GigEO--StarLight

Supercomputing Center 18 KREONet2 Lambda Networking SystemKREONet2 Layer 2 / Layer 1 network Lightpath Provisioning System based on User Applications Layer 3 Traffic Engineering Grid Applications e-Science Applications Supercomputing Applications KREONet2 Routers PTP lightpath Operations & Monitoring Other high-end applications

Supercomputing Center 19 Contents  KREONET/KREONet2/SuperSIReN  Domestic & International Network Facility  Network Engineering  KoreaLight Activity  Concluding Remarks

Supercomputing Center 20 Network Engineering – IPv6 migration NOC IPv6 Web IPv6 Information Services, Tunneling Services (6to4, ISATAP) IPv6 DNS IPv6 TB (Tunnel Broker) SuperSIReN 2001:320::/ :468::/32 3FFE:3700::/24 3FFE:3900::/24 6NGIX 2001:2B8::/ :220::/35 3FFE::8040::/28 6 T A P

Supercomputing Center 21 Network Engineering – Multicast Daejeon JeonjuDaegu Pohang Seoul Changwon Busan Suwon Incheon Gwangju Cheonan PIM-SM PIM-SM, MBGP PIM-SM, MBGP, MSDP KREONet2 STAR TAP-kr Inter-domain Multicast Routing(MSDP, MBGP) KEY - protocol SURFnet

Supercomputing Center 22 Network Engineering – QoS Background traffic generator (MGen) FastEthernet (100 Mb/s) QoS Allocation System QoS Allocation Server Iperf Version FastEthernet (100 Mb/s) KISTI QoS Testbed Cisco 7507Cisco 7206 Iperf Ver Background Traffic generator (MGen) QoS Test Result Voice Video Best-effort serviceQoS service

Supercomputing Center 23 Network Engineering – Traffic Analysis FlowScan+ Netflow MySQL DB HTTP KREONET/KREONet2 Supercomputers KREONet2/KOREN Router Supercomputer Router Web based Traffic Measure/Analysis Visualization

Supercomputing Center 24 Traffic/Performance Measurement Tools  Tools -MRTG, FlowScan+, TQMS -PinGER, AMP, PMA -Advisor, pIPES  International collaborators - MOAT/SDSC: Ronn Ritki -DAST/NCSA: Jim Ferguson -EVL/UIC : Oliver Yu -NC-ITEC/NCSU: John Moor

Supercomputing Center 25 Network Engineering – Security Kerberos KISTI Supercomputing Center IBM P690 NEC SX-5/8B HP GS320 HP HPC160/320 DDR System High-end S&T Research by Supercomputer & Network Users apply CERTKREONET Building Enterprise Security Mngt. Abuse & Black List Managing Task Force Team Education & Consulting Directing Security Policy Collabora- ting with KISA Deploy CERT-KREONET Computer Emergency Response Team for KREONET DDR(DDoS Detection & Response) system Detecting and responding to the DDoS attack, DDR system has been developed and deployed on KREONET by KISTI since April, 2003

Supercomputing Center 26 Contents  KREONET/KREONet2/SuperSIReN  Domestic & International Network Facility  Network Engineering  KoreaLight Activity  Concluding Remarks

Supercomputing Center 27 ANF KoreaLight WG Activity (1)  Background  Lambda networking started in late 1990s in Canada Followed by US and Netherlands  StarLight, NetherLight, CA*net4, CERN as TransLight Activity Global scale lambda network activities to support international collaborations on global scale e-science applications  GLIF (Global Lambda Integrated Facility) established  e-Science and Grid applications require  High-bandwidth and low latency network  Dedicated Quality of Service  Very fat pipes with limited virtual organization, few-to-few basis

Supercomputing Center 28 ANF KoreaLight WG Activity (2)  Organization  Chair : Yong-jin Park (Hanyang Univ.)  Deputy Chairs : Jysoo Lee (KISTI), Young-Ro Lee (NCA)  Application Collators : Jong-won Kim (GIST), Dong-Chul Son (KPU), Jae-ho Oh (PKNU)  Secretariat : Dongkyun Kim (KISTI)  Purpose  Construction and R&D of lambda network in Korea KREONET, KOREN  Accelerating high-end application researches HEP, HDTV, IPv6 Large File Transfer, Meteorology, Metacomputing, etc.  Participation in global-scale lambda network activity TransLight, GLIF, GLORIAD

Supercomputing Center 29 ANF KoreaLight WG Activity (3)  Members  ANF, CNU, ETRI, GIST, HYU, KAIST, KISDI, KISTI, KMA, KNU, NCA, PKNU  Major Applications  HEP  HDTV/AccessGrid  IPv6 Large File Transfer  Meteorology  GRID, Metacomputing, e-Science  Meetings/Milestones  2003/11 : KoreaLight BoF  2003/12 : KoreaLight 1 st meeting  2004/04 : KoreaLight 2 nd meeting  2004/06 : KoreaLight 3 rd meeting  2004/09 : KoreaLight 4 th meeting (scheduled)

Supercomputing Center 30 HEP (High Energy Physics)  Primary Members : KNU, KAIST, KISTI  HEP Experiments ( ~570M/~2.5G) Partners : CALTech, CERN Single & Multiple Stream tests between KNU, KAIST and CERN, Caltech Real file(1GB) transfer using bbftp between KNU and CERN 10G KNU StarLight CERN Daejon 622M1 G KREONET KREONet2 DataTag

Supercomputing Center 31 HDTV & AG  Primary Members : GIST, KISTI  HDTV/AG Transmission (~300M/~1.5G) Partners : I2CAT, Research Channel 300M transmission from Barcelona to Daejeon (2004/09) 700M~800M uncompressed HDTV transmission (end of 2004) 1.5G HDTV streaming (2005?)

Supercomputing Center 32 International Lightpath Provisioning for HDV Streaming KREONet2 GSR Daejeon, Korea Seattle, US Chicago, US PacWave PNWG StarLight 6TAP SURFnet ONS15454 GigE Switch Router STM-4 circuit 1GigE circuit L3 switch HDV receiver BEXCO, Busan KREONet2 CA*net4 HDV sender I2CAT, Barcelona CA*net4CA*net4 KREONE T New York, US GEANTGEANT CERN Busan, Korea

Supercomputing Center 33 IPv6 Lambda Networking Testbed China/CSTNET /NSFCNET2 Daejeon Core StarLight, PacWave 6TAP, Internet2, CA*net4, TANet2/TWAREN, CERN SURFnet … Daegu Core Gwangju Core Cisco Router Cisco Switch KISTI Seoul Core Cisco ONS Cisco ONS Cisco ONS Cisco Switch 3Com Switch 1G 1.2G 155M~ Cisco OSR Cisco GSR Cisco ONS Cisco GSR 10G 5G Router Cisco Switch CNU 1G

Supercomputing Center 34 IPv6 Large File Transfer Experiments (1)  Objective Experiment of Large File Transfer with primary members in ANF IPv6 Task Force  Participants on KREONET ETRI, KAIST, KISTI, GIST, KNU, CNU  Application iperf  Transport protocol : (latest) TCP, FastTCP Tuning TCP & Host buffer size

Supercomputing Center 35 IPv6 Large File Transfer Experiments (2) Diagram1: Throughput from KAIST to KISTI over IPv4 / IPv6 based on lambda network

Supercomputing Center 36 Concluding Remarks (1)  KREONET/KREONet2 - National Science & Research Network by Korean Government -High-end Application Empowered Network for e-Science/Grid  Toward Global Scale KoreaLight –Multiple International Link based on Lambda Networking over 10Gbps Link with TransLight and GLORIAD –Leading Role of Lambda Networking Activities in Global Lambda Networking Community with e-Science/ Grid –KREONet2/SuperSIReN is important flag project for Lambda Grid in Korea

Supercomputing Center 37 Concluding Remarks (2)  Toward Application Empowered Network –Actively Participate in e-Science and Grid Community –Collaboration with GLORIAD, TransLight, and GLIF/ i-Grid Team …  Advanced Network Engineering and Application –IPv6, Multicast, QoS, Traffic Analysis, Security, Lambda etc. –HEP, ITER, Atmospheric Science, BioInformatics, Nano materials, Telemedicine, GeoScience, etc.  KREONET Link Capacity Planning –Nation-wide backbone : 5 ~ 10G in 4Q 2004 (2.5 ~10G) –US : 2.5G in 3Q 2005(1.2G), CN : 2.5G in 3Q 2005(155M), cooperate with TransLight and GLORIAD program –JP/Europe: over 2Gbps in 2Q in 2005(?)(1G/34M), cooperate with APII/TEIN Program

Supercomputing Center /07 APAN meeting in Cairns 2004/09 e-Science /GLIF Workshop 2004/11 SC2004 in Pittsburgh 2004/05 KR-CA-US link launch 2005/01 APAN meeting in Bangkok 2005/08 APAN meeting in Taipei 2005/09 iGrid2005 in San Diego KISTI-KAIST-ETRI IPv6 lambda network Construction and test KR-CA-US global lambda grid networking launch (KR2-CA*net4-SL connectivity) KR : KISTI-KAIST-ETRI-KJIST(IPv6) KISTI-PKNU(Meta), KISTI-KNU(Meta) KAIST-KNU (IPv6 + Fast TCP) KR-CN (IPv6) : CNIC KR-US (Buddha on the net) KR-US (meta) : ISTI, NCSA, EVL, SDSC * TransLight member participation KR : KISTI-KAIST-ETRI-GIST-CNU (IPv6) KISTI-KMA-PKNU(HEP, Meteorology, meta) KR-US (IPv6, HDTV) KR-CA (AccessGrid, VTC) KR-TW (IPv6, HDTV) KR-Netherlands or others in EU (HDTV) KMA-KISTI (Terabit Data Transmission) NCHC-KISTI (CFD, meta) KR-CA-US-EU-CN (Gigabit supercomputing or Grid application Experiments) KR-CN-JP-TW-… APAN lambda networking testbed APAN lambda network expansion KR-US-CA-EU (global lambda grid networking testbed) APAN-KR-US-CA-EU (Testbed construction and Grid application test) Lambda Networking Milestone

Supercomputing Center 39 Thank You! Thank You! Supercomputing Center Daedeok Science Town 1 st sta ge ① ② ③ ④ ⑤ ⑦ 2 nd sta ge ⑥ Thank You!