
86 Dynamic Workflow Application Scheduling with Quality of Service
Furthermore, as suggested in [65] for at least some quality metrics such as
the cost, one may need additional means to prevent the provider from using
dumping techniques which results in the cost of a service being unusually low
for a prolonged period of time. Such strategy might possibly be used to gain
market share and result in the vendor lock-in for the clients of the service.
In order to introduce other competitors in such a scenario, various techniques
could be used to alter the value of q
k
[ind(t)]:
1. Rotate the ordering of a few of the best offers [65] with a small proba-
bilit ...