Software is taking over the world, and the software-defined networking paradigm is extending into all aspects of networking, revolutionizing how we think about, configure, and deploy networks.
The wide area network’s fixed links became the SD-WAN, which gives companies multiple choices for connecting distributed sites to the corporate sites, to each other, and to cloud computing infrastructure. SD-WAN provides more network flexibility, lowers cost, and puts the company more in control of its WAN connectivity than was possible with MPLS. The capital expense of a site’s network systems might not significantly decline, but you should find reductions in operational expenses.
