Holy cow, I wrote a book!
As I've noted before,
the operations team has their own jargon which
superficially resembles English.
Some time ago, they sent out a message
with the subject
A New Internet Egress Path Is Coming.
We're changing the way computers access the Internet.
traffic on the edge.
This does not refer to traffic
that is on the verge of a nervous breakdown.
It merely refers to traffic that crosses the boundary
between intranet and Internet.