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How Does an SD-Wan Power your SaaS Solution?

When it comes to delivering SaaS then you need to ensure that every part of your enterprise can access the services it needs when it comes to using products. This is perfectly fine when you have a relatively stable infrastructure that consists of people based in permanent offices. But what if you have a mobile workforce, or a workforce that is constantly working out of temporary accommodation or locations, this is where an SD-Wan can assist you. We look at what defines SD-WAN Solutions. 

Different Transports One Network

The idea behind a Software Delivered Wide Area Network is that it uses a centralised software control system to steer traffic over the WAN. This enables the WAN to use a variety of transport technologies to achieve a connection. The software control handles traffic based on Quality of Service, priority and security requirements based on the needs of the business. A conventional router-based system distributes the control of the network to all devices on the network. They basically route traffic based on TCP/IP and ACLs. This means that for SaaS and IaaS traffic can be delivered directly over the internet for consumption by the end-users no matter how they are connected.

Use a Variety of Transports

An SD-WAN uses a pool of virtualised WAN services that can include Multiprotocol Label Switching (MPLS), broadband or 3/4G mobile networks in order to make the connections. Internet services aren’t generally used for enterprise solutions because the mishmash of networks isn’t generally secure enough or reliable enough to be used for most businesses. This becomes particularly important if there are latency sensitive or bandwidth-heavy applications that need to be used.  

The Challenges of Broadband

With the internet changing the landscape of business and particularly the use of broadband connections then businesses are wanting to use them for their WANs. This means overcoming some of the limitations that are inherent in the broadband system. The connections will need to be hardened in order to be secure enough for business usage. The latency and performance issues will also need to be overcome, you then also need to make sure that the right traffic is getting the priority, this means that business applications need to be prioritised against someone else’s TikTok videos.

Continuous Learning

The other great advantage to an SD-WAN is that the software can adapt rapidly to changing network conditions to ensure that the highest level of application performance is maintained. Advanced SD-WANs deliver the highest levels of end-user application performance. Even if the network experiences a temporary outage or a network jitter the software is able to adapt and ensure that the end-user experience isn’t interrupted.

Final Thoughts

The other advantages with SD-WAN are that because the management is centralised the new devices and endpoints can be provisioned using zero-touch provisioning. Configurations are made centrally and automatically pushed out to all endpoints. This means that you don’t need to have IT resources travel to all the endpoints in order to make the configuration changes. 

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