According to a recent survey of 28 carriers, 75% of them will deploy SDN in 2016. 100% of the carriers indicated that they will deploy SDN in the future. Read my article that highlights some of the current trends in SDN. <a href="https://app.console.to/article/5800004da934601092304492/" rel="nofollow">https://app.console.to/article/5800004da934601092304492/</a>