BIG-IP Cloud Edition FAQ
BIG-IP Cloud Edition is designed to enable easy to use and fast self-serve deployments of application services in private and public clouds. BIG-IP Cloud Edition is a solution composed of BIG-IP Per-...
Published May 31, 2018
Version 1.0
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EmployeeThe BIG-IQ is HA and if using VMWare, the tier 1 L4 traffic distribution is a BIG-IP HA pair (AWS uses ELB for tier 1). But the Per App VE is more of a stateless BIG-IP instance designed to pull full configuration from BIG-IQ as it's horizontally scaled out.
 
The service scaling group contains the requirements for auto-scale such as throughput, CPU, memory thresholds and will dynamically update the tier 1 traffic distribution of the new Per App VEs. In this case, a service scaling group would always start with 2 Per App VE's and maybe scale out to 4 or 5 depending on your requirements. Once the load normalized, it would then scale back to the original two Per App VEs.
 
Because it's dynamically creating BIG-IP's as needed, all redundancy is controlled by BIG-IQ's configurations and the tier 1 traffic distrubtion.
 
This is designed for those less-stateful applications that don't need the dedicated BIG-IP HA pairs deployed in the cloud (but BIG-IQ could manage both).
 
https://devcentral.f5.com/s/articles/application-auto-scaling-through-big-ip-cloud-edition-31517