Friday, February 1, 2019

How to load balance across clusters in a data center?

Guys,

If I have N clusters and each cluster is load balanced within itself, how do I load balance between clusters?

Just to add each cluster has an ECMP switch at L2, a few NLB at L4, and a few more ALB at L7.

What device can I put at the top of clusters to load-balance them? Also, which layer of OSI does that device then belongs to?

I am trying to understand stuff here. Apologies if I put my question in a wrong way.



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