Issues

A trade-off must be found :

1. The workload information must be as up-to-date as possible
2. Flooding the network
3. Assessing the workload to often

Careful choice of :

1. The frequency of the workload evaluation
2. The confidence interval
3. The number of hosts to broadcast to

Dynamic Tuning
http://www.netlib.org/utk/people/JackDongarra/