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CX Control-plane HA Deployment

This guide is to setup an RKE2 multi control-plane cluster for Expertflow CX.

Network topology

For load balancing of control planes, consider any of the following three options.

External Load Balancer (ELB)

A Load balancer is used for routing the traffic to the Kubernetes cluster. For a layer-7 load balancer, you may use:

  1. Nginx reverse Proxy

  2. HAproxy or

  3. Any existing load balancer

For setting up an HA cluster using external load balancer, see High Availability using External Load Balancer

KubeVIP

Kube-vip provides Kubernetes clusters with a virtual IP and load balancer for both the control plane (for building a highly-available cluster) and Kubernetes Services of type LoadBalancer without relying on any external hardware or software.High Availability with Kube-VIP

DNS

DNS can be configured to point all the traffic of a domain to any of the needed Control-Plane Nodes High Availability with DNS

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