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Software-Defined Wide Area Networking (SD-WAN) is a revolutionary way to simplify branch office networking and assure optimal application performance by using centrally controlled and managed WAN virtualization.
Unlike traditional WANs, SD-WAN delivers increased network agility and cost reduction. Software-Defined WAN has its roots in Software-Defined Networking (SDN), the underlying principle of abstracting the network hardware and transport characteristics from the applications that use the network.
Businesses and government agencies are adopting SD-WAN rapidly to replace legacy WAN running on MPLS. SD-WAN is typically used to add broadband, DSL, or mobile links to their existing connection in the mainstream enterprise market. It enables organizations to increase the bandwidth of existing MPLS connections while providing a failover backup, all at substantial cost savings compared to directly upgrading the MPLS line to the same standard of bandwidth and reliability. Other typical features include WAN optimization, application-specific network rulesets, and centralized control of branch networks via the cloud.
In the same way server virtualization abstracts the underlying physical hardware from the logical virtual servers that run on it, WAN virtualization is where a logical WAN connection (to either the Internet or between branch offices) can use multiple underlying connectivity technologies (like xDSL, MPLS, cellular and fibre) at the same time. Still, it presents this connectivity to users and applications as a single direct to the Internet or secure site-to-site connection.
SD-WAN-enabled networks can monitor WAN health and quality, then use these measurements to make intelligent decisions on application traffic flow.
Once configured, all traffic is managed automatically by the software-defined rules set on the device – no human interaction is required.
Branch offices can be provisioned, monitored, and managed centrally using an SD-WAN controller that gives network administrators complete control over their wide area networks and remote devices using a single interface.
Complex VPN configurations connecting thousands of branch offices securely (using whatever connectivity is available at each location) can be created and deployed automatically, with centralized WAN monitoring and notifications providing a real-time view of WAN health and global branch office availability.
By using encrypted VPN, branch offices gain secure, local network access to cloud resources. SD-WAN makes these branch office VPN faster and more affordable by combining the bandwidth of multiple connections into a single logical WAN connection.
Besides, SD-WAN provides the ability to offload public Internet traffic at the network edge, reducing traffic sent through the VPN.
Peplink’s SD-WAN technologies give you a wide range of options. Use our link load balancing technology to prioritize VoIP traffic over the lowest latency links. Guarantee the session integrity of sensitive applications such as point-of-sale or credit card transactions using Hot failover. Stream HD videos and have smooth videoconferences using SpeedFusion VPN technology. Use your commodity links to offload your bulk traffic to the public Internet while saving your critical traffic for private links.
Using InControl 2, our powerful SD-WAN controller, you can efficiently perform many tasks from any browser window. Set up a star, mesh, or point-to-point VPN with just a couple clicks. Configure groups of devices at once to save time and schedule automatic firmware updates for your devices.
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