Brookhaven Science Associates U.S. Department of Energy USATLAS Tier 1 & 2 Networking Meeting Scott Bradley Manager, Network Services 14 December 2005.

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Presentation transcript:

Brookhaven Science Associates U.S. Department of Energy USATLAS Tier 1 & 2 Networking Meeting Scott Bradley Manager, Network Services 14 December 2005

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

Brookhaven Science Associates U.S. Department of Energy 3 HEP/NP WAN Requirements at BNL

Brookhaven Science Associates U.S. Department of Energy 4 Questions/Comments ???

Brookhaven Science Associates U.S. Department of Energy 5 Purpose of the Meeting… n 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.

Brookhaven Science Associates U.S. Department of Energy 6 …With the Desired Outcome of: n Answering Tier 2 Questions n Providing Guidance n Establishing Relationships n Determining Next Steps

Brookhaven Science Associates U.S. Department of Energy 7 …The Punchline: Tier 2’s, This is Your Meeting!

Brookhaven Science Associates U.S. Department of Energy 8 Agenda 08:00-08:30Continental Breakfast 08:30-08:40Welcome, Administrative RemarksScott Bradley BNL 08:40-09:00USATLAS Computing Model OverviewRazvan PopescuBNL 09:00-09:40USATLAS Network Model OverviewJohn Bigrow BNL 09:40-10:00ESnet Peering ArrangementsMike O’ConnorESnet 10:00-10:20Abilene Peering ArrangementsChris HeermannInternet2 10:20-10:40Break 10:40-11:00Ultralight UpdateShawn MckeeU Mich 11:00-11:20QoS/MPLS CapabilitiesDantong YuBNL 11:20-11:40Network Performance MeasurementJoe MetzgerESnet 11:40-12:00Summary of Morning Work, Q & A Scott Bradley BNL 12:00-1:00Working Lunch 1:00-2:30Chicago Tier 2 UpdateRobert Gardner U Chicago BU/HU Tier 2 UpdateSaul YoussefBU Southwest Tier 2 UpdateTBDTBD 2:30-3:30Capture of Open Issues, Action Items, Next Steps 3:30-4:00Working Break, Creation of Slides 4:00-5:00Summary of Next Steps, Assignment of Responsibility for Action Items 6:00-Dinner for all interested (?)

Brookhaven Science Associates U.S. Department of Energy 9 Action Items/Next Steps