Inside SD-WAN: WAN Virtualization Traffic Routing Options

SDWAN WAN Virtualization traffic routing options

A primer on how to select the right software-defined traffic routing technique for each type of network traffic.

Software Defined Wide Area Network (SD-WAN) technologies continue to gain momentum, addressing network performance issues and adding value in production networks today. Ecessa recently issued a technology report highlighting a major component of SD-WAN known as WAN Virtualization, and how it creates a more resilient network by leveraging the most cost-effective, bandwidth-rich WAN connections.

Like any technology, SD-WAN needs to be properly architected, deployed and configured to meet an organization’s specific business needs.

Which WAN lines should be used for voice? Which for data? Should connections be combined for speed or for redundancy? These are just some of the questions that need to be answered to maximize network connectivity.

There are multiple options for how different types of network traffic should be treated when combining multiple WAN lines. The types of traffic, business constraints, desired goals and the characteristics of multiple connections will all be considered when determining the best option for a configuration. In most cases, a combination of options is used, based on an organization’s unique requirements.

In order of simplest to most advanced, WAN Virtualization traffic routing options are:

•   Selective Routing
•   Session Load Balancing
•   Session Duplication
•   Aggregation

“Inside SD-WAN: WAN Virtualization Traffic Routing Options” walks through these WAN Virtualization traffic routing configurations in detail and includes customer use stories from organizations that have implemented SD-WAN traffic routing options. It features diagrams for each traffic routing option and discusses the trade-offs of each method to help network administrators make the most of this technology.

To read the full report click here.

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