Software-Defined Networking (SDN): What It Is, How It Works, Why It Matters🔥🔥🔥🔥

  What is Software Defined Network (SDN) ?

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THIS IS THE BASIC DIAGRAM OF "SDN"

Jaise ki App Sabi Dekh Chuke Hai Diagram Me  SDN Having Three Layer Architecture Now Lets Go For Know .....

Tradition networking uses integrated hardware and software  to direct Traffic across a series of router .

Now That Time The digital use Case for SDN to Virtualized  The Network  by Separating the Control plane that manage the network from the data plane where traffic follows. 

 Means Now In digital networking We can manage the Traffic By Its Self.

examle.

aap ke pass computer lab hai jaha bahut sare student aate hai or computer sikhte hai to kavi kavi kuchh student you-tube to kuch facebook etc open kar ke enjoy karte hai computer sikhne ke wjah 

to aap apne lab me ek SDN Laga sakte hai jisse in sab ko control kiya ja skat hai 

oha aap particular website ka 'bandwidth' Fixed kar skate hai. tab student lab ke kisi computer me kuchh faltu ki chije open nahi kar skate hai ,,,

                                                                          this is the benefits of SDN..

Now Go more understandable definition,,  Software-defined networking technology is an approach to cloud computing that facilitates network management and enables programmatically efficient network configuration in order to improve network performance and monitoring.

 SDN Theory :

Think about a traditional network and everything that entails. You have your routers, your switches, and lots and lots of CAT5 and CAT6 cable strung around: all physical hardware that, when connected in a certain way, defines the flow of data in the organization. Like laying down a network of highways, planning a network takes time; it has to be done right the first time because shuffling things around afterward is expensive.

A network has to do two big things: deliver data and manage the flow of that data. If I am downloading a video from California, the network knows to get it to me here in Indiana. Shunting the data through India and Europe would not be the most efficient way to do it – unless, of course, some big physical failure occured between here and the West Coast that required the signal to be sent the long way around the planet.

Inside a company, the same thing happens on a smaller scale. Data is passed back and forth, and that traffic is usually managed by software inside the physical devices – software that knows how to manage the day-to-day operations of the workplace.

SDN Benefits Could Be Widespread :

Because of its complexity, SDN won’t take off right away. But once SDN is implemented, the benefits will be immediately apparent. Cloud computing environments controlled by SDN will see significant increases in speed and efficiency, since their networks will be optimized for the applications running in that cloud environment. Corporate and mobile networks are also likely to gain benefits from SDN implementations.

IT will have to lay down the rules of the road first, but no one can deny there is big potential in software-defined networks to bring more adaptable networking resources to businesses and consumers.

                                               THIS IS FLOW CHART OF THE 'SDN'