Network SLA

[Saqib Ilyas]

Greetings
I am curious to know about any tools/techniques that a service provider uses
to assess an SLA before signing it. That is to say, how does an
administrator know if he/she can meet what he is promising. Is it based on
experience? Are there commonly used tools for this?
Thanks and best regards
-- 
Muhammad Saqib Ilyas
PhD Student, Computer Science and Engineering
Lahore University of Management Sciences