Expanding business applications, increasing investment to enhance network security across enterprise environments, and growing changes in the network security characteristics are the prominent factors that are driving the growth of SDWAN(software defined wide area network) market. According to the experts, the market is expected to grow from $6.32 billion in 2014 to $9.15 billion by the end of 2020 at a CAGR of 6.35% and almost 30-40% of the enterprises will have SD-WAN by the end of 2020.
BUT, DOES THIS REALLY MAKES A DIFFERENCE TO YOUR BUSINESS?
what about the high cost of the solution? It’s unreliable performance? Is it really secure?
These questions might have put a seed of suspicion in your mind about the performance and reliability of SD-WAN, but that’s merely an illusion.
Everyone is well aware with the blackout situation, whenever is the link failure then traffic shifts to the alternative but what id the link quality is not good enough for your applications?
Suppose a xyz service provider may have there presence across the country but not everywhere such as Uganda or thiruvalla, then one single service provider may not have reachablity or service in this area, then how to connect?
Equipment cost, connectivity cost and the maintainance cost together makes a costly investment solution.
Big problem with multi branch is when you are deploying equipment in multiple branches, then problem is the technical manpower.
Following figure shows the Top SDWAN Deployment scenarios as per the enterprises and service providers then majority of the enterprises are adopting SDWAN as hybrid WAN, where they accept to augment their existing MPLS network with one link as MPLS and the other as Internet. Whereas, Majority of service providers are moving for SDWAN as it giving them an opportunity to generate revenue.
Service providers are generally challenged to maintain business service revenue and profit streams in the face of bandwidth commoditization( for eg: high speed, cost effective internet)
SDWAN solution is enabling service providers to increase the value of their managed services and by selling such services they roughly collects $40 billion per year with a good profit margin.
Also, this is increasing the area of their service earlier the service providers were limited to provide the last mile.
Down the line everything has to be build on internet only. But gradually, if internet will start providing the MPLS kind of quality then only 10% of the clients ill be strict to MPLS but max. will be shifted to internet, where they will find the cost and better quality benefits.
Also, this is the alarming situation for the MPLS service provider to maintain their customers engaged. Thus, making important for them to switch to SDWAN.
If we talk about Internet as an alternative to MPLS then the first thing which strikes our mind is Security!!!!….
It means do wee need an additional firewall too???….
•Can we have plug and play solution?
•Can it provide zero touch provisioning?
•Can we have software based architecture?
This is the question which almost all the enterprises thinks, especially all the financial co-operative banks, like is it safe to expose security policy and business network policies to an SDWAN service provider?
It means your WAN connectivity and its security is managed and controlled by a service Provider?
Does, it means a Bank can say that all my services is manged by xzy service provider?
Can SDWAN understands all your applications and implement application aware routing?
Can SDWAN perform application aware routing?
Since, the requirement has become more thicker now, it is important to route based on application now.