Picking a “Top 10” in software-defined networking (SDN) is a dangerous business, because the whole sector is in flux. Some major players’ products aren’t even finished (ahem), and while carriers are interested, it’s too early to say how widespread an effect SDN will have.
But with so many vendors jockeying for position, we decided to take a stab at ranking them and even got carried away and included 11 entries. We tried to give extra weight to carrier-minded efforts, although those are still quite the minority.
