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What is SD-WAN?

Key Takeaways: Definition of SD-WAN, ebook: 5 Ways SD-WAN Transforms Your Network, Why SD-WAN
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Definition of SD-WAN

SD-WAN is a software-defined (SD) approach to managing your wide area network (WAN). This innovative approach enables you to optimize your user experience and simplify your network operations in the cloud.

Traditional WANs weren’t designed for the volume of traffic enabled by the cloud. This increased traffic can cause issues with application performance, data security and more. Plus, in today’s digital landscape, users have varying types of connections and access applications in many different places. SD-WAN simplifies operations with cloud-based network management, enabling you to provide the optimal path for the best user experience.

eBook: 5 Ways that SD-WAN Transforms Your Network

Learn from from our partners, the experts at VMware on essential capabilities SD-WAN delivers.


Improve application performance.

With SD-WAN, you can use the bandwidth from all of your circuits at the same time. Therefore, you can ensure the highest level of performance for your end users. SD-WAN utilizes application aware routing that tracks important circuit qualities, such as packet loss, latency, jitter and load. As a result, traffic is redirected to the best available path in real time, making sure applications have the required bandwidth to process critical business functions.

Enhance your network security.

SD-WAN uses identity-based firewall features that automatically apply security and traffic shaping rules to ensure optimal performance. In addition, intrusion protection fortifies your network from any internal vulnerabilities and the latest external threats. You can use content filtering to block undesirable web content. Also, you can securely connect every office with auto-provisioning IPsec-based VPN technology.​

Increase your uptime and agility.

SD-WAN utilizes multiple circuit connections, like broadband internet, MPLS, LTE or 4G simultaneously. This transport independence keeps your business connected around the clock. ​In addition, SD-WAN uses deep-packet identification that allows you to inspect data packets down to the application level and control them via traffic shaping policies. As a result, you can easily identify bandwidth consuming applications to better manage traffic policies and ensure critical applications are running smoothly.

Scale your network with ease.

When expanding your business, adding a new office to your network can be a time consuming, expensive and potentially manual process for your technology team. With SD-WAN, you can deploy branches online quickly using whatever connectivity is available. Plus, template-based, zero-touch provisioning from a centralized resource enables you to save time and maintain security standards. ​

Simplify your operations.

SD-WAN simplifies your corporate network in so many ways. It’s highly secure. It protects you against service outages. It lets you bring new offices online really fast, so your network can scale with your business. And, SD-WAN gives you next-level control and visibility into your network traffic.

Benefit from partnering with Blackfoot.

A core network requirement for Blackfoot Communications is ensuring the most secure and rapid route is built for every connection and every application. We are focused on connection quality and guaranteed up-time because our network is the backbone of our business. We have an experienced and growing CCIE certified networking team coupled with deep relationships with innovative technology vendors. Above all, we build your network as if it was our network.

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Helpful Definitions

LAN: A local area network (LAN) is a collection of computers and devices that are connected together in a single location, such as an office or building. LANs can be small or large, from a home office to an enterprise business. The main factor is that all devices are connected within the same physical area.

WAN: A wide area network (WAN) is a large network that connects over long distances. WANs are used by businesses to connect multiple office networks. For instance, each office has a LAN and all of the LANs are connected via a WAN. The largest example of a WAN is the internet.

SD-WAN: A software-defined (SD) approach to managing your wide area network. With SD-WAN, you can optimize your user experience and simplify your network operations in the cloud.


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