workload measurement: in the Internet `core' 


(background only: workload data analysis)
use coralreef software suite
http://www.caida.org/tools/measurement/coralreef/

obtain quantitative parameters of captured traffic:
byte rates and packet rates
flow = {src ip, src port, dest ip, dest port, protocol}

use netgeo tool to map src/dst ip addresses to ASes or countries
http://www.caida.org/tools/utilities/netgeo/

consider various aggregations of traffic: 
applications
ASes
countries