What is SD-WAN (Software- Defined Network)?
Suppose you want to connect with the internet, to the outside world. How is the networking capability leveraged? Through a Wide Area Network! In order to access the internet, any computing device needs to be connected to a WAN ( Wide Area Network). Whereas LANs (Local Area Networks) connect machines locally, WANs (Wide Area Networks) help machines communicate to the outside world. With the proliferation of the cloud environment, SD-WAN capabilities are becoming a necessity at many organizations. We will discuss the various capabilities of SD-WAN in this article series. Traditional Network Architecture: Image 1: Traditional WAN Architecture, Image Credits: Khan Academy Traditionally, branch offices connect to data centers via MPLs or dedicated lease lines to request access on applications. Traffic was routed among branch locations and data centers via their addresses on data packets through TCP or IP Protocol. Routers managed the work of distribu...