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USATLAS Tier 1 & 2 Networking Meeting Scott Bradley Manager, Network Services

USATLAS Tier 1 & 2 Networking Meeting Scott Bradley Manager, Network Services 14 December 2005. Tier2 Center. Tier2 Center. Tier2 Center. Tier2 Center. Tier2 Center. HPSS. HPSS. HPSS. ATLAS Distributed Computing Model.

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USATLAS Tier 1 & 2 Networking Meeting Scott Bradley Manager, Network Services

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  1. USATLAS Tier 1 & 2 Networking Meeting Scott Bradley Manager, Network Services 14 December 2005

  2. Tier2 Center Tier2 Center Tier2 Center Tier2 Center Tier2 Center HPSS HPSS HPSS ATLAS Distributed Computing Model CERN:Outside Resource Ratio ~1:2Tier0:( Tier1):( Tier2) ~1:1:1 ~PByte/sec Online System <GBytes/sec ATLAS Experiment CERN ~5M SI2K >1 PB Disk Tape Robot Tier 0 +1 Castor ~10 Gbits/sec Tier 1 BNL: ~2M SI2K; 2PB Tape Robot IN2P3 Center INFN Center RAL Center HPSS 2.5 Gbps Tier 2 ~2.5 Gbps Tier 3 Tier 0: DAQ, reconstruction, archive Tier 1: Reconstruction, simulation, archive, mining and (large scale) analysis Tier 2+: Analysis, simulation Tier 3+: Interactive analysis Institute Institute Institute Institute 100 - 1000 Mbits/sec Physics data cache Tier 4 Workstations

  3. HEP/NP WAN Requirements at BNL

  4. Questions/Comments ???

  5. Purpose of the Meeting… • To Provide USATLAS Tier 2 Network Planners as much information as possible to prepare for: • SC-4 scheduled for ~ 4/06. • ATLAS production scheduled to begin ~ 4/07.

  6. …With the Desired Outcome of: • Answering Tier 2 Questions • Providing Guidance • Establishing Relationships • Determining Next Steps

  7. …The Punchline: Tier 2’s, This is Your Meeting!

  8. Agenda 08:00-08:30 Continental Breakfast  08:30-08:40 Welcome, Administrative Remarks Scott Bradley BNL  08:40-09:00 USATLAS Computing Model Overview Razvan Popescu BNL  09:00-09:40 USATLAS Network Model Overview John Bigrow BNL  09:40-10:00 ESnet Peering Arrangements Mike O’Connor ESnet  10:00-10:20 Abilene Peering Arrangements Chris Heermann Internet2  10:20-10:40 Break  10:40-11:00 Ultralight Update Shawn Mckee U Mich  11:00-11:20 QoS/MPLS Capabilities Dantong Yu BNL  11:20-11:40 Network Performance Measurement Joe Metzger ESnet 11:40-12:00 Summary of Morning Work, Q & A Scott Bradley BNL 12:00-1:00 Working Lunch  1:00-2:30 Chicago Tier 2 Update Robert Gardner U Chicago BU/HU Tier 2 Update Saul Youssef BU Southwest Tier 2 Update TBD TBD  2:30-3:30 Capture of Open Issues, Action Items, Next Steps  3:30-4:00 Working Break, Creation of Slides  4:00-5:00 Summary of Next Steps, Assignment of Responsibility for Action Items  6:00- Dinner for all interested (?)

  9. Action Items/Next Steps

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