In article <10162.15117.22199@avi.netaxs.com> Sean wrote: : In roughly the order : 1. Network Engineers (What's this command do?) : 2. Power failures (What's this switch do?) : 3. Cable cuts (Backhoes, enough said) : 4. Hardware failures (What's that smell?) : 5. Congestion (More Bandwidth! Captain, I'm giving you all she's got!) : 6. Attacks (malicious, you know who you are) : 7. Software bugs (Your call is very important to us....) Very much disagree. Or at least, separate performance and outages. Outage/Instability: (Tie for 1st): 1) Shitty software from Major Router Vendors (and everyone else) 1) Misconfiguration a) Often caused by shitty/easy to fumble CLIs from Major Router Vendors 2) Attacks 3) Power failures 4) Cable cuts 5) (distant)Hardware failure Performance has been covered; the only real broadband is Universities, and relatively few transit networks can get to network large and small well. Avi