What is SD-WAN?
Software-Defined Wide Area Networking (SD-WAN) is a transformational approach to simplify branch office networking and assure optimal application performance.
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 which is to abstract the network hardware and transport characteristics from the applications that use the network.
Advantages of SD-WAN Solutions
SD-WAN solutions provide the software abstraction to create a network overlay and decouple network software services from the underlying hardware.
Simplify Branch Network
Provision branch offices faster with automated zero-touch deployment, simplified configuration, orchestration and on-going monitoring with centralized troubleshooting tools. Simplify branch infrastructure with the ability to insert network services on the branch edge, in the cloud or in the regional and enterprise data centers.
Optimize Application Performance
Optimize application performance over Hybrid or Internet links with direct, secure access to enterprise and cloud applications. SD-WAN provides consolidated monitoring and visibility across multiple WAN links and service providers.
Deliver Branch Agility
Enable multiple links, devices and services to coexist and interoperate with incumbent solutions and make the branch agile. APIs enable integration into various management and reporting systems deployed by enterprises today.
Deliver Hybrid WAN with ease and enable branch offices with ordinary broadband as enterprise-grade WAN. Reduce hardware-delivery costs by choosing from deployment options such as virtual-machine on a commercial-off-the-shelf (COTS) device, virtual machine on an existing x86-based router or a purpose-built VeloCloud Edge device.
Today’s Branch Network Challenges
To stay competitive, organizations are constantly evolving to overcome branch challenges:
Increasing bandwidth to existing and new branch offices is expensive and time consuming.
Numerous single-function devices in the branch leading to device sprawl with silo management needing multiple truck rolls to deploy, monitor and troubleshoot.
Branch WAN traffic hair-pinning through datacenter degrades cloud application performance. Provisioning new applications for branch use requires re-configuration and is IT intensive
SD-WAN Makes Branch Networks Better
Software centric approach capable of being delivered prepackaged on economical x86 platforms or virtually on existing router and server platforms.
Deliver a network overlay with multiple links from different service providers to form a unified pool of bandwidth. Provide superior performance and high availability for applications independent of the underlying transport links.
Enterprise-grade performance is assured even when traffic is going to cloud applications. Incremental overlay design abstracts software layer from the underlying hardware layer and the physical transport to make an elastic network.
Simplified Branch Services
SD-WAN provides insertion of network services whether on the branch customer premise equipment (CPE), in the cloud, or in regional and enterprise data centers. Software-defined flexibility with automation and business-policy abstraction simplifies complex configurations of traffic routing and policy definitions.
SD-WAN gives enterprises the ability to deploy a wide area network on-premise or cloud and ease the services insertion with application-aware forwarding to enterprise datacenter or cloud. The cloud-based management enables pay-as-you-grow subscription model for cost efficiency.
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