AP Network Report Aries Hung, Min Tsai ASGC WLCG T2 Asia Workshop TIRF, Dec 2, 2006

Site network validation

T0-T1-T2 network connectivity

Australia Australia-UNIMELB-LCG2 ： RTT: 137 ms – 340 via US July 2006, establish peering with AARNet at Singapore. Alter routing path from ASNet-TW  ASNet-US  AARNet  Australia-UNIMELB-LCG2 to ASNet-TW  ASNet-SG  AARNet  Australia-UNIMELB-LCG2

China BEIJING-LCG2 RTT: 55 ms BEIJING-CNIC-LCG2-IA64 RTT: 55 ms

India

IN-DAE-VECC-01: 320 ms Routing path: ASNet-TW  ASNet-HK  Flag  RIL-IDC  ERNet-IN  INDAE- VECC-01 INDAE-VECC-01  ERNet-IN  Geant2  Internet2  TWAREN  ASNet-TW INDIACMS-TIFR: 280 ms Routing path: ASNet-TW  ASNet-HK  Flag  RIL-IDC  ERNet-IN  INDAE- VECC-01 INDAE-VECC-01  ERNet-IN  Geant2  Internet2  TWAREN  ASNet-TW Issues Could ERNet-IN prefer AS route from RIL-IDC and Flag?

Japan JP-KEK-CRC-01: RTT: 62 ms JP-KEK-CRC-02: RTT: 64 ms TOKYO-LCG2: RTT: 61 ms WorkdayHoliday

Korea LCG_KNU: RTT: 84 ms Sep. 2006, alter route path of SE endpoint network segment (go through HK), RTT: 58 ms now. Could /16 go through HK? Holiday Workday

Pakistan

NCP-LCG2: 240 ms Nov. 2006, alter route path from ASNet-TW  ASNet-US  AT&T  UUNet  ITIKarachi  NTCPKNet  NCP-LCG2 to ASNet-TW  ASNet-HK  ANC  SingTel  NTCPKNet  NCP- LCG2 PAKGRID-LCG2: 348~387 ms many icmp checksum error (firewall restriction?) Could NTCPKNet advertise route info to SingTel?

Singapore GOG-Singapore: RTT: 49 ms July 2006, alter routing path from ASNet-TW  ASNet-HK  ANC-HK  ANC-SG  GOG-SingAREN to ASNet-TW  ASNet-SG  SingAREN  ANC  GOG-SingAREN

Taiwan

Taiwan domestic Taiwan-IPAS-LCG2: < 1 ms TW-FTT: < 1 ms TW-NIU-EECS-01: 9 ms T aiwan-NCUCC-LCG2: 17 ms T W-NCUHEP: 11 ms T W-NTCU-HPC-01: 5 ms T W-THU-HPC: 5 ms Daytime

Network monitoring Monitoring tools Smokeping -- latency measurement tool Nagios -- host, service and network monitoring program MRTG WeatherMap Evaluation PerfSonar: IEPM:

Other issues Info collection Contact info of site network manager Contact info of circuit provider (optional) Network map, include bandwidth (WAN & LAN) Firewall rules Open ICMP access to ASGC ( /24 and /22) If possible, enable iPerf daemon on one server for testing

ASGC future plan T0-T1 connectivity: Upgrade to 10Gb (2007 Q2) T1-T2 connectivity: TW-JP: Upgrade to 2.5+Gb TW-HK: Upgrade to 2.5+Gb TW-SG: Upgrade to 622+Mb

ASNet POPs Taiwan Juniper M160, Juniper M320 Located in Academia Sinica HongKong Juniper M20 Located in Mega-iAdvantage Building (in Chai-wan area) Japan Juniper M20 Located in KDDI Building (same as APAN building, in Otemachi-Ku area) Singapore Juniper M7 Located in SingAREN GIX Building America Juniper T320, located in Palo Alto PAIX Building Juniper M40e, located in StarLight Netherlands Juniper M20 Located in SARA

Thanks for Your Attention!

Reference ASGC Smokeping: Smokeping: Nagios: MRTG: WeatherMap: