Slide 17 of 45
Notes:
Eg a network busy 8 work hrs/day per week and quiescent otherwise would have % ~ 75% ~ (total hsr/wk - 5 wkdays/wk * 8hrs/day) / total hrs/wk
Clear that connectivity between SLAC and ESnet sites is best.
A bit similar to the phone companies idea of error free seconds, except is is a frequency rather than a number