At 900k lines of code, ONOS is getting heavy. Can it go on a diet?

'Net greybeard Douglas Comer talks SDN with El Reg

Interview Software Defined Networking (SDN) has changed the landscape of networking, but along the way it has created its own problems. Doug Comer of Purdue University thinks disaggregating SDN controllers like the Open Source Network Operating System (ONOS) could be a way forward."