Natasha Gude Teemu Koponen Justin Pettit Ben Pfaff Martin Casado Nick McKeown Scott Shenker NOX: towards an operating system for networks. 105-110 2008 38 Computer Communication Review 3 http://doi.acm.org/10.1145/1384609.1384625 db/journals/ccr/ccr38.html#GudeKPPCMS08