In order to establish methodology to schedule multiple job requests to multiple computational servers effectively and guarantee performance per each client, we conducted benchmarks under various WAN environments. Furthermore, according to these observations, we proposed simulation model based on queuing theory. And we also performed preliminary benchmarks using our scheduling server named Metaserver. As a result, computation data concentrates on the node and easily become a bottleneck and even might exhaust its memory resource. We preliminarily evaluate our hand-off mechachism on Fujitsu's AP1000.
Results show that it improves the total execution times.