"I don’t like OpenDaylight. When OpenDaylight first was announced I, of course, had my doubts about any SDN project basically lead by Cisco. I didn’t have much time to look at what actually existed though. With the recent news regarding the upcoming “Hydrogen” release, I decided it was time to see what is inside. After a bit of time running and reading the code I’m pretty convinced now that OpenDaylight is evil."
В этой статье как-то все с ног на голову поставлено и единственно поэтому выглядит кагбе логично. Если коротко, то