overall:  meas't & analysis challenges


new methods for data collection, reduction, aggregation, mining, viz 
large, complex datasets ( ~Pbyte )
geographically and logically distributed 
dynamically changing
enable inter- and intra-ISP analysis 
       and feature detection
correlation among data sources/types
user-friendly integration with network utilities and control systems
proactive participation
top-down (app devel's scope constr.) 
bottom-up (ISP cooperation) 
vendors in middle (to right of research)