•Selecting ISPs for DSL/Cable services for home
users
–Monitor accessibility of routers etc. from site
–Long term and changes
•Trouble shooting
–Identifying problem reported is probably network
related
–Identify when it started and if still happening or
fixed
–Look for patterns:
•Step functions
•Periodic behavior, e.g. due to congestion
•Multiple sites with simultaneous problems, e.g. common
problem link/router …
–Provide quantitative information to ISPs