North American operators in particular are under immense pressure to transform unsustainable legacy network infrastructure into the levels demanded from broadband subscribers today, more than ever. This field is being championed by vendors including Harmonic, CommScope, Casa Systems, Cisco, and more recently Vecima, and one of those wasted no time in using this week’s virtual SCTE Cable-Tec Expo as an opportunity to slander its competition. Harmonic has a habit of doing things in threes – firing another trio of broadband-focused press releases sequentially into our inboxes this week. It has announced expanded FTTH PON capabilities, added a Google Cloud Marketplace integration, and revealed what it believes is a “breakthrough” moment for the flexible MAC (Media Access Control) market with a…