1. Computer Architecture Group Brian Coghlan Jeremy Jones Michael Manzke Andy Nisbet David Gregg John Waldron Jonathan Dukes Computer Architecture Group Parallel Convergent Distributed Mobile http://www.cs.tcd.ie/research_groups/cag/ Trinity College Dublin

2. Computer Architecture Group Trinity College Dublin Parallel Computing CAG Clusters Real-Time Performance Monitoring Computational Grid Technologies dB Performance Analysis Grids Cluster Technologies Core Research Fault-Tolerance

3. Computer Architecture Group Trinity College Dublin Performance Monitoring & Analysis dB Performance Analysis 

4. Computer Architecture Group Trinity College Dublin Cluster Technologies SINTEF Dolphin ICS Fujitsu-Siemens Infineon (Siemens) Thompson CSF Trinity College Dublin University of Oslo BullMotorola [Norway][Norway] [Germany/France] [Germany] [France][Ireland][Norway][Italy][Germany] Scalable Coherent Interconnect [ IEEE-1596 SCI ] Scalable Coherent Interconnect [ IEEE-1596 SCI ] The Department has 4 x small SCI clusters, with different topologies: The Department has 4 x small SCI clusters, with different topologies: Clos-switched Clos-switched 2-d Torus 2-d Torus 1-d Ringlet 1-d Ringlet Industrial Real-Time Industrial Real-Time

5. Computer Architecture Group Trinity College Dublin Grid Technologies Grid-Ireland Grid-Ireland Management Grid-Ireland Management Execution Models Execution Models Grid Timestamps Grid Timestamps Network Tracing Network Tracing CosmoGrid CosmoGridDataGrid WP3 R-GMA WP3 R-GMA WP6 CA group WP6 CA group WP6 Testbeds WP6 TestbedsCrossGrid WP3 Grid Monitoring WP3 Grid Monitoring WP4 Testbeds WP4 Testbeds

6. Computer Architecture Group Trinity College Dublin Grid-Ireland [www.grid-ireland.org] Pilot OCT-1999 : Dublin-----Cork V1.0 established JUN-2001 V2.0 scheduled JUN-2002 Managed layer above HEAnet First VO == CosmoGrid Grid-enabled Computational Physics of Natural Phenomena Led by DIAS Dublin Galway Cork Associated with Associated with:

7. Computer Architecture Group Trinity College Dublin CosmoGrid [www.grid-ireland.org] Grid-enabled Computational Physics of Natural Phenomena VO: Astrophysicists Geophysicists Atmospheric Physicists Computer Scientists 9 Institutions 60 Individuals 3 Beowulf clusters linked via Grid-Ireland over HEAnet 6 Grid gateways

8. Computer Architecture Group Trinity College Dublin Grid-Ireland Site Structure LCFG serverproxy-arp FirewallIrish GIIS / R-GMALocal GIIS / R-GMARAID serversCE00CExyNIS master & slaveSEHTTP serverNet Tracer1Gbps switch VLAN CA serverRA serverRMS / LB server