This article discusses such use cases, shortcomings in 4G to realize these use cases and how 5G promises to handle their stringent requirements.

The article further attempts to show a high level migration from 4G EPC to 5G core network – mapping their network components with respect to functionalities.

Harpreet Kaur

System Design Engineer

at Hughes Systique

Software defined WAN (SD-WAN) is foreseen to bring a landscape change in the enterprise businesses. As per the latest predictions from Gartner, by the end of 2019, 30% of the enterprises will already have SD-WAN deployed in their branch locations. Market forecasts for SD-WAN are also promising enough to create a buzz in the networking world. Latest survey from IDC forecasts SD-WAN infrastructures to show 40.4% compound annual growth rate and is estimated to reach $4.5 billion by 2022. These trends have been triggering a hot debate on how SD-WAN compares to the already proven MPLS technology and how it promises to solve the inherent challenges faced by the enterprises. This article intends to shed some light on the set of challenges faced by MPLS consumers and how SD-WAN promises to rescue them out of these.

Harpreet Kaur

System Design Engineer

at Hughes Systique