| AAA |
Authentication, Authorization and Accounting |
| AIX |
IBM’s proprietary UNIX Operating System |
| Cray |
HPC-Hardware vendor |
| DCPE |
DEISA Common Production Environment |
| DECI |
DEISA Extreme Computing Initiative |
| DEISA |
Distributed European Infrastructure for Supercomputing Applications |
| EGEE |
Enabling Grids for E-SciencE (another FP7 project) |
| EGI |
European Grid Initiative (another FP7 project) |
| ESFRI |
European Strategy Forum on Research Infrastructures |
| FTP |
File Transfer Protocol |
| GÉANT |
European Project providing high speed networking (as GÉANT2 in FP7) |
| GPFS |
Global Parallel File System |
| GridFTP |
Fast parallel FTP for Grids |
| GUI |
Graphical User Interface |
| HET |
HPC in Europe Task-Force |
| HPC |
High Performance Computing |
| HPC-Europa |
European Project for providing trans-national HPC access |
| IBM |
HPC-Hardware vendor |
| IDE |
Integrated Development Environment |
| ISTP |
Internal Specific Targeted Projects |
| ITIL |
Information Technology Infrastructure Library |
| JRA |
Joint Research Activity |
| Linux |
Open Operating System |
| LSF |
Batch Scheduling System |
| MC-GPFS |
Multi-Cluster GPFS |
| MC-LL |
Multi-Cluster LoadLeveler (Batch Scheduling System) |
| MOAB |
Batch Scheduling System |
| MPI |
Message Passing Interface |
| NA |
Networking Activity |
| NEC |
HPC-Hardware Vendor |
| NREN |
Research and Education Network (national network providers) |
| OpenMP |
Shared Memory Access Method |
| PBSpro |
Batch Scheduling System |
| PetaFlop |
1000 TeraFlop |
| PRACE |
Partnership for Advanced Computing in Europe |
| PTP |
Parallel Tools Platform |
| SA |
Service Activity |
| SGI |
HPC-Hardware Vendor |
| Slurm |
Batch Scheduling System |
| SMP |
Shared Memory Processing |
| TeraFlop |
1000 billion floating point operations |
| Tier-0,1,2 |
different levels of HPC capabilities (PetaFlop/s, TeraFlop/s, lower) |
| UNICORE |
Uniform Interface to Computing Resources (a workflow management system) |