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After fifteen quiet years, the WAN is in a state of flux – because it touches everything, WAN architecture and design is central to an effective business strategy. In this article, the author explains the nine key steps to ensuring a future- proof WAN.
Technology is constantly in a state of change, disruption, and evolution, but we're now in a particularly exciting time where things as we knew them are completely transforming. In this blog, VeloCloud provides ten predictions for 2018 that address how this transformation will continue.
SD–WAN (Software-Defined Wide-Area Networks) applies SDN principles to the practical realities of the Wide Area Network – such as minimising delays over long distances between nodes, and providing predictable service quality over less predictable links.
The answer now is that cloud security is extremely good, and can be entrusted with the bulk of everyday applications and data. The simple question "Why should we not put this on the cloud?" will identify a smaller number of critical exceptions where security is best entrusted to the private data center. And between the two extremes there is no longer a dangerous gap, but the growing opportunity to install an SD-WAN to bring cloud security to the very edge of the organization.
A Software-Defined WAN (SD-WAN), in a nutshell, can be thought of as an overlay architecture that connects enterprise on-premises data centers, Infrastruc- ture-as-a-Service (such as those hosted by Amazon Web Services or Microsoft Azure), cloud services (such as Software-as-a-Service) and remote locations and branch offices.
After fifteen quiet years, the WAN is in a state of flux. Because it touches everything, WAN architecture and design is central to an effective business strategy. Mike Wood, VP of Marketing, VeloCloud explains.
Software Defined Wide Area Networking (SD-WAN) is disruptive and a business enabler. It is already transforming traditional networks such as MPLS and public Internet into cloud and on-premise application, resource and service delivery powerhouses. Enterprises are shifting their focus from the limitations of private data centres and legacy network infrastructure that have been complicated and expensive to implement, deploy, manage, and maintain, to the limitless capabilities of SD-WAN - the solution of choice to take full advantage of the benefits offered by the cloud and Internet.
Any significant network upgrade presents a challenge for CIOs and CISOs. So much can go wrong – from delays due to transition downtime and user retraining, to potential loss of data. But often, the single biggest concern will be security. This is especially true when contemplating a fundamental change in networking architecture, such as a migration to software-defined networking (SDN).
The optimal solution for IoT implementations is cloud-delivered SD-WAN, which provides the performance, bandwidth, security and quality to support large volumes of traffic going to the cloud, to the local data center, and machine to machine for storage, control and analytics.
The optimal solution for IoT implementations is cloud-delivered SD-WAN, which provides the performance, bandwidth, security and quality to support large volumes of traffic going to the cloud, to the local data center, and machine to machine for storage, control and analytics.
Security is often the single biggest concern that CIOs and CISOs have when they are contemplating a new networking architecture. They want to be sure that moving from a traditional WAN architecture to one that is software-defined (SD-WAN) improves security, especially in an environment where they need the business agility to get remote sites up and running quickly.
SD-WAN is the application of SDN principles to the WAN. SDN provided for the separation of the control plane from the data plane, with an open API between these two elements. There was strong focus on enabling the programmable control to come from a different solution than the provider of the data plane forwarding elements. Therefore initial expectations of an SD-WAN API might be for the same functionality. However, just as the architectural principles have morphed to meet the requirements and realities of the WAN, so must the focus of the APIs.
When it comes to wide area networking, large global enterprises have some unique challenges to ensure that networking capabilities keep up with their complex business requirements.
VeloCloud, now part of VMware, is a SD-WAN market leader. VMware NSX SD-WAN by VeloCloud is a key component of the Virtual Cloud Network and tightly integrated with NSX Data Center and NSX Cloud to enable customers extend consistent networking and security policies from the data center to the branch to the cloud. For more information, visit www.velocloud.com and follow the company on Twitter @VeloCloud.
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