Reading a routing table you did not build
Somebody else built it, nobody documented it, and it is now yours. Here is the order to read it in.
Writing
Articles
Reading a network you did not build
The audit is the step everyone wants to skip and the one that decides whether the migration works. How to find the load-bearing accidents before they find you.
Designing for the link you cannot drive to
Satellite enforces habits that terrestrial networks let you skip: observability before convenience, validation before shipping, and a backup path that has actually carried traffic.
Your call quality problem is not a voice problem
Complaints after a UC rollout arrive pointed at the phone system. The cause is usually a trust boundary, a queue or a routing change three hops away.