Challenges of Interconnecting Multiple Networks: A Comparative Study Between VPN and SD-WAN Solutions and Their Impact on Performance and Security

Abstract

With the arrival of technological time, connection on the Internet has become inevitable.

Many networks can be a challenging question when it comes to protests as well as security issues. Virtual private networks (VPN) have been used to provide safe channels for connection, but are surrounded by delay and scalability. On the other hand, software-defined wide area networks (SD-WAN) have been an alternative with customized routing, dynamic bandwidth distribution and underlying safety facilities. We analyze VPN and SD-WAN solutions when it comes to safety and performance in this article. Our findings indicate that although VPN is heavily encrypted, it will not avoid heavy load tests. The SD-WAN solution is still better in terms of performance and uses a new security mechanism, and that's why an appropriate replacement.