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1 . Must support multiple WAN or underlay types

• MPLS , Internet , LTE , etc

2 . Can do dynamic path selection

• Allows for load sharing across WAN connections

3 . Provides a simple interface for managing

• WAN Must support zero-touch provisioning at a branch , should be as easy to setup as home Wi-Fi

( e . g . virtual machines , containers ) and cloud-based architectures . ◊

4 . Must support VPNs

• As well as other third-party services , such as WAN optimization controllers , firewalls , web gateways , etc

A software-defined approach to managing wide-area networks , SD-WAN offers improved connectivity to branch offices and the cloud . End users are excited about SD-WAN because it enables them to manage and add network functionality using a cloud-based software model , which eases deployment , enables central manageability and reduces costs .

As compute resources and associated cloud services have exploded , the traditional enterprise network boundaries have expanded into the public cloud , branch locations and intelligent edges . Service providers , are increasingly providing managed SD-WAN services to enterprises and the number of enterprise SD-WAN deployments is growing rapidly . So what does this all mean to enterprise branch security ?

Security needs to evolve with SD-WAN

Existing security models cannot effectively address the evolving threat landscape and new security requirements driven by the move to

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