Critical SASE and SD-WAN Test Patterns and Measurements

White Paper

It is increasingly critical to test security-related patterns accurately and realistically and to define meaningful measurements for both SASE and SD-WAN environments. Here are some of the unique testing challenges this paper will address:

Defining traffic patterns: We must redefine the minimum test traffic pattern to represent normal daily traffic, as observed in the traditional WAN compared to exclusive simple, mono-sized objects. Stateless traffic and simple stateful traffic, cloud applications and Zero Trust (ZT) policies must be properly positioned in the test plan to provide testing value.
Defining what to measure: We must define what to measure and how to measure it so that we can accurately predict real-world traffic concurrency within SD-WAN infrastructure and SASE security principles that work on top of any infrastructure.
Defining test load and duration: SD-WAN and SASE change how we load and sustain traffic over a testing iteration. We must update our load and duration parameters to match the realities of the SASE/SD-WAN environment.
Defining service mix and its impact on SD-WAN: The distribution of traffic flowing over an SD-WAN link and SASE infrastructure can alter the behavior of the link. We must define a meaningful distribution mix.
Effects of physical WAN on SD-WAN bearing capacity: How does inherent physical attributes of WAN such as distance, latency, and drop effect scale?

This former Spirent business is now part of VIAVI.

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