When should I have multiple backend pools for a load balancer?

Question

Hi,

I'm preparing for Azure Certification exams and I've a question about load balancer. I googled and checked documentation but couldn't find answer: when do I need to have / should I have more than one backend pool for an Azure load balancer, being it public or private load balancer?

I saw following sentence in the doc which may answer me but I have no clue what does it mean:

"You can configure IP based and NIC based backend pools for the same load balancer. You can’t create a single backend pool that mixes backed addresses targeted by NIC and IP addresses within the same pool."

source: https://learn.microsoft.com/en-us/azure/load-balancer/backend-pool-management

Answer 1

If you want to load balance traffic differently for different set of resources. By creating multiple load balancing rules, each targeting a different backend pool, you can ensure that traffic is distributed according to your specific requirements across different sets of backend resources.

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hth

Marcin