Field note
Build a latency budget
A short round trip is one part of a fast connection. Measure the steps that surround it.
Field notes
Small explanations.
Useful next steps.
Reference notes for measuring connections and making network changes.
Field note
An address is not a working path
Treat addressing, routing and application reachability as separate checks.
Field note
Make a network change reversible
A useful change record describes a result, not just a command.