What to read on networks in order to build a provider network or at least maintain it?

Question

Computer networks

What to read on networks in order to build a provider network or at least maintain it? My level is beginner. I want to understand this, I would also like to know, but on what to practice? Are there any mesh emulators or something similar?

Answer 1

List first https://ru.m.wikipedia.org/wiki/Routing_protocol