| Publisher | Institute of Electrical and Electronics Engineers | ||
|---|---|---|---|
| Format | 172.2KB PDF | Date added | 15 Sep 2008 |
| Topics | Resources Mgmt., High Performance Computing, SLA | ||
| Downloads | 16 | ||
Commercial Grid users demand for contractually fixed QoS levels. Service Level Agreements (SLAs) are powerful instruments for describing such contracts. SLA-aware resource management is the foundation for realizing SLA contracts within the Grid. OpenCCS is such an SLA-aware RMS, using transparent checkpointing to cope with resource outages. It generates a compatibility profile for each checkpoint dataset, so that the job can be resumed even on resources within the Grid. However, only a small number of Grid resources comply to such a profile. This paper describes the concept of virtual execution environments and how they increase the number of potential migration targets. The paper also describes how these virtual execution environments have been implemented within the OpenCCS resource management system.
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