[ulber]

DPI is deep packet inspection in this context. HyperScan did some groundbreaking work for DPI, where you (1) have to match a huge number of regexes at the same time, (2) need high and consistent performance, and (3) don't need the starting points of matches.

[mmaunder]

Groundbreaking in a cybersecurity context when you're writing regexes to match bad things in a fat network pipe.