Many legacy WANs consist of disparate and isolated links which make consistent security policy enforcement nearly impossible. Vulnerabilities frequently occur due to security tools and products that are not used across all WAN links. A holistic configuration requires network security teams to individually deploy and manage security for each specific link—a process that’s not only resource-intensive but increases the probability of human error. As a result, businesses are shifting to more comprehensive security foundations for their WAN—SD-WAN, within an overall software-defined network (SDN) environment.
A next-generation WAN
What has become a highly effective approach for securing the
WAN is to overlay software-defined
WAN (SD-WAN) functionality to act as a platform to provide consistent
management and comprehensive visibility. This method allows for consistent
policy implementation and holistic use of security solutions across the WAN. A
single network “image” reduces complexity and simplifies deploying better
security. It also reduces potential errors or omissions that can occur when the
network is comprised of links that must be secured individually. With a SD-WAN,
network operations and security teams can ensure that there is documented and
consistent use of security solutions and policies across the WAN.
Securing your WAN
Secure WAN solutions require more than just the basics. There are several specific features and capabilities to look for when using SD-WAN and software-defined networking (SDN) to WAN security.
SD-WAN and SDN provide a software-defined platform for
managing, securing and operating the WAN that can dramatically enhance security.
To learn more about improving the security of your network, check out our whitepaper:
network security through programmable networks”.
Mike Frane is the Vice President of Product Management for SD-WAN at Windstream Enterprise, where he is responsible for the company’s overall SD-WAN strategy, as well as the network and security service portfolios. Since joining the organization in 2008, he’s overseen the launch and lifecycle of services including LTE wireless, Ethernet and MPLS IPsec access elements, Secure WiFi & Analytics, Application Performance Optimization, IPsec VPN and Unified Communications. Prior to Windstream’s acquisition of EarthLink, Mike led the launch of EarthLink’s SD-WAN service; their most successful product introduction in over a decade. Mike has a BS in Genetics and Cellular Biology from the University of Minnesota and was involved in gene therapy research at the Institute of Human Genetics before entering the telecommunications industry.
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