Hey all, you must be quite comfortable with SDN, after creating a good connection with SDN. Now it is time to get into personal details of SDN 😛 . By that I mean, let us see what are the Building blocks of SDN network. If you remember the story in my earlier articles, Google Maps (controller), Tom N Jerry (switches) were the lead characters. So, it is quite obvious that controller, switches/routers, along with the applications form the three main building blocks of SDN. The