Ericsson and Nokia are on divergent paths when it comes to restoring sustainable growth to their hard-pressed infrastructure businesses. Nokia set out a plan last year to pursue “adjacencies” to its core telco customer base, pushing equipment, software and services to enterprises and industrial sectors to support private networks and the Internet of Things. But Ericsson, which had also been diversifying into new platforms and vertical markets – targeting 25% of revenues from non-telcos by 2020 – has been retrenching since its new CEO Borje Ekholm took over earlier this year, and pulling back to its telco heartland. Ulf Ewaldsson, in his new role as head of digital services, confirmed that strategy in an interview with Reuters last week. “We…