Doppler zoning query

john mcteague <john.mcteague@...>

We map our dea's , dopplers and traffic controllers in 5 logical zones
using the various zone properties of doppler, metron_agent and
traffic_controller. This aligns to our physical failure domains in

During a recent load test we discovered that zones 4 and 5 were receiving
no load at all, all traffic went to zones 1-3.

What would cause this unbalanced distribution? I have a single app running
30 instances and have verified it is evenly balanced across all 5 zones (6
instances in each). I have additionally verified that each logical zone in
the bosh yml contains 1 dea, doppler server and traffic controller.


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