Smart Ideas: Solutions Revisited
Dec 22, 2017 // By:admin // No Comment
SD-WAN is basically an abbreviation for Software Defined networking in Wide Area Network. SD-WAN is being used for simplifying the management and operation of WAN by way of decoupling or separating networking hardware right from the control mechanism. As for idea, it is actually the same on how software defined networking applies virtualization technology for improving not just the operation but also, the data center management.
Key application for SD-WAN is to enable companies build higher performance wide area networks by using commercially available and low cost internet access. With such, it enables the business to either wholly or partially replace costly private WAN connection technologies.
WANs let companies to extend their networks as well over longer distances, connecting remote branches both to their data centers and each other and at the same time, delivering applications and services required in effectively carrying out business functions. When companies extend their network to cover broader distances and across multiple networks too, they face various operational challenges. Well, some of these issues are network congestion, packet loss, jitter and occasional service outages.
New technology including VOIP calling, streaming media, video conferencing and virtualized desktops all demand lower latency. For apps that have HD videos, the requirements of its bandwidth need a boost too. It can be difficult and expensive at the same time to expand the capability of WAN. Products of SD-WAN are designed intentionally to be able to address these problems in the network. By enhancing or replacing traditional branch routers through the application of virtualization appliances that control both application level policies as well as offering network overlay, less expensive consumer grade internet functions more of a dedicated circuit.
Believe it or not, a number of branch personnel find this to be easier to set up. You can have your SD-WAN products available in virtual or physical appliances and you can install it as well on small businesses, corporate data centers, bigger offices, remote offices and even on cloud platforms.
Centralized controller is being used for prioritizing traffic and setting policies. In terms of redirecting traffic, that would not be a problem either as SD-WAN takes into account the availability of network bandwidth and policies. The truth is, it guarantees that the performance of application meets the SLA or Service Level Agreements at all times.
According to research, it is defined that an effective and efficient SD-WAN always carry 4 major characteristics and these are the ability of supporting multiple connections, the ability of doing dynamic path selection for resiliency and load sharing purposes, ability of supporting VPNs and other third party services and provide a simple interface that’s both manageable and configurable.