Before you deploy SD-WAN, you need to decide where you want to place the controllers and edge routers.
A look at what's ahead in WiFi, including the speedy 802.11ax and HaLow for IoT connectivity.
Software Defined Networking (SDN) offered lots of hope, a centralized control-plane, programmable network functions and authenticated network nodes. Once we all stopped laughing and rolling around the floor with rib ache, the reality of SDN dawned quickly. It was a nice academic thought and set of experiments, but for the masses, the original meaning of SDN has changed significantly. The software giants with mountains of cash will drive technology like this early and possibly pave the way for the rest of us eventually, but for the masses of enterprises that vendors serve and that have more immediate requirements, SDN isn’t something that’s had massive adoption. The question of ‘why’ is a pretty obvious place to start and you don’t have to look too far before you find answers.
I will not get in to the overlay and underlay arguments here. These have been done to death already. Lots of organizations and vendors offer various takes on the middle-ground, far left and far right. This isn’t a product pitch either.
This post is around the “next onwards step” as opposed to changing the world. I also ‘feel’, this is the natural pull as opposed to the industry push we’ve come to Continue reading