Users
Why is the performance not what I would like or
expect
Set expectations, build case to complain to ISP
What should I expect, what applications are likely to
work
Planners: observe growth, decide when upgrades are needed, make cases for upgrades
Network engineers: pin-point problem, provide
information to providers
Providers: where is the problem and what is it, best
bang for the buck
Grid applications users/developers look forward to
using,
e.g. Grid Resource Broker data placement
Requires APIs (e.g. web services), common naming
conventions (e.g. NMWG, GLUE
schema
) etc.
Security: anomalies
Researchers: modeling, theory testing, scaling laws