1. KOREN/APII/TEIN NOC(s) KOREN & E2E Performance Initiative Lee Jaehwa jhlee@noc.koren21.net The Second International Workshop on HEP Data Grid CHEP, KNU, Auguest 22-23, 2003

2. KOREN/APII/TEIN NOC(s) KOREN – Current/Future Current(2003) –Seoul-Taejon : 2 * 2.5G SONET –Seoul-Suwon : 155M ATM –Taejon-Taegu-Pusan-Kwangju : 2.5G SONET –40 institutions(21U+19R/32A+8G) –20 institutions will be added –5-10 institutions can have GbE connection –International links : APII/1G, TEIN/10M, SingAREN/6M Future –Seoul-Suwon : 2.5G SONET –Additional nodes, more GbE connections for institutions –80-100 institutions –International links : APII/1G+(?), TEIN/45M+, MY/45M+, SingAREN/?, CERNET/?

3. KOREN/APII/TEIN NOC(s) KOREN – E2E Performance KESG ’ s NCA Project: Traffic Engineering for Performance Improvement on KOREN/APII –Triggering Vigorous Activities of Cooperative Research Group (KESG) in KOREN –Triggering Research Collaboration between KOREN & QGPOP –Improvement of Network Engineering Capability for KOREN –Sub-subjects: Measurement, Performance, Routing, Security KESG ’ s E2E Performance Initiative –Deploy a measurement infrastructure over KOREN and with International peers –Identify performance bottleneck and tune performance With above 2 activities we(KESG) will support researchers requiring high bandwidth/performance

4. KOREN/APII/TEIN NOC(s) KOREN - Update Network Upgrade : Completed –Seoul-Taejon : 2 2.5G POS with 1.6T OLS –Taejon-Taegu-Pusan-Kwangju : 2.5G POS with EON –Seoul-Suwon : still 155M ATM with PP15K Members –40 institutions : 21 universities, 19 research institutions By year ’ s end : 20 more institutions will be connected –Access link : 32 155M ATM, 9 GbE connections By year ’ s end : 5-10 more GbE connections will replace 155 ATM ones

5. KOREN/APII/TEIN NOC(s) APII/TEIN - Update Separate projects, but connected to KOREN TEIN Upgrade Still Negotiated –TEIN(RENATER 3-KOREN) : at least 45M or more –TEIN Extension to MY : at least 45M or more Additional APII Circuits Negotiated –CN-KR : ?

6. KOREN/APII/TEIN NOC(s) KOREN – By Year ’ s End KREOnet2SingAREN StarLight/ STAR TAP Seoul XP Genkai XP APAN Tokyo XP Renater 3 ATM 155Mbps ATM 45M 2 * 2.5G SONET APII GbE TEIN 45M or more APII 6/12M KREOnet2 Taegu(2)Seoul(16)Pusan(4)Kwangju(3)Suwon(5)Taejon(7) 155M KIX ATM 2*155Mbps GbE or 2.5G SONET PNWG 622M 2.5G? MY TEIN 45M or more

7. KOREN/APII/TEIN NOC(s) SL=TJ-TG-PU-KJ-TJ TJ GSR TG GSR Lucent EON Lucent EON Lucent EON Lucent EON Lucent EON Lucent EON PS GSR Lucent EON Lucent EON KJ GSR Lucent OLS 1.6T Lucent OLS 1.6T SL GSR Lucent OLS 1.6T Lucent OLS 1.6T WaveStar OLS 1.6T : 1.6T Metropolis EON : 320G 2.5G POS Connection

8. KOREN/APII/TEIN NOC(s) Node Architecture GbE S/W DWDM ATM S/W To other nodes Members with GbE or OC-3 Access Members with GbE or OC-3 Access Router

9. KOREN/APII/TEIN NOC(s) KOREN Connectivity KOREN RENATER 3 GEANT SingAREN CA*net4 Abilene/ StarLight Abilene/ StarLight Genkai XP SINET Tokyo XP QGPOP KREONet2

10. KOREN/APII/TEIN NOC(s) KOREN/APII/TEIN - Future Network Upgrade –2.5G POS planned between Seoul and Suwon –Additional nodes to completely cover the nation More Members –More GbE connections for more members –Toward a total of 80 – 100 institutions APII/TEIN Upgrade –APII : more than 1G? –TEIN : 155M? 622M? –Extended TEIN to MY : 45M? 155M? –APII Link to CN? Remember that all these can be achieved by users.

11. KOREN/APII/TEIN NOC(s) Some Traffic Graph APII/Genkai TEIN

12. KOREN/APII/TEIN NOC(s) SingAREN Some Traffic Graph

13. KOREN/APII/TEIN NOC(s) KOREN – KESG KOREN Engineering Study Group –Voluntary participation of members in study of KOREN and APII/TEIN Engineering KHU, KU, CHNU, CNU, KAIST, KJIST, CJNU, HYU, etc –Closely working with QGPOP group of Kyushu with focus on APII/Genkai link –Closely working with Measurement WG of ANF –This year ’ s project granted by NCA Traffic Engineering for Performance Improvement on KOREN/APII

14. KOREN/APII/TEIN NOC(s) KESG – Performance Initiatives KESG ’ s NCA Project: Traffic Engineering for Performance Improvement on KOREN/APII –Triggering Vigorous Activities of Cooperative Research Group (KESG) in KOREN –Triggering Research Collaboration between KOREN & QGPOP –Improvement of Network Engineering Capability for KOREN –Sub-subjects: Measurement, Performance, Routing, Security KESG ’ s E2E Performance Initiative –Deploy a measurement infrastructure over KOREN and with international peers –Identify performance bottleneck and tune performance –Collaborating first with CRL ’ s performance project for APII/Genkai and TransPAC links to share each other ’ s measurement infrastructure and its data –Also planning the TEIN

15. KOREN/APII/TEIN NOC(s) KESG – PMI Performance Measurement Infrastructure to measure –N2n(Node-to-node) NetFlow format data SNMP Focused on link layer performance –Eg2eg(Edge-to-edge) Path measurement from ingress to egress Active measurement Focused on network/transport performance

16. KOREN/APII/TEIN NOC(s) KESG – PMI Components –Measurement Client (MC) to measure performance metrics –Data Analysis Module (DAM) To analyze measured values –Database (DB) to save analyzed values –Visualization Module (VM) To visualize analyzed values –Query Module (QM) to show past values on demand

17. KOREN/APII/TEIN NOC(s) KESG – PMI MC DAM DB VM QM Data Flows Probe packet raw data analyzed data

18. KOREN/APII/TEIN NOC(s) KESG - PMI Cannot cover the whole E2E performance We need more end-users ’ participation in the KESG PMI to make researchers get more performance for their research This collaboration will help make government feel importance of R+E network and researches based upon R+E network in Korea which all our efforts depend upon. We need a well-planned cooperation KOREN network engineers and applcation users. Thanks!