I should have read the blog instead of skimming before responding.
This appears as Layer 4 load balancing, IPVS is more of Layer 3.
So the person who was voted down by mentioning HAProxy might not be too far off. It could be implemented through HAProxy + TPROXY enabled in the kernel[1]. Then just make sure that default gateway configured on targets routes back to the load balancer or it is the load balancer.
Ah my bad, even the wiki link I posted said it is layer 4. I guess both solutions could be utilized then, perhaps it was IPVS then since it would be more performant than HAProxy.
This appears as Layer 4 load balancing, IPVS is more of Layer 3.
So the person who was voted down by mentioning HAProxy might not be too far off. It could be implemented through HAProxy + TPROXY enabled in the kernel[1]. Then just make sure that default gateway configured on targets routes back to the load balancer or it is the load balancer.
[1] https://www.loadbalancer.org/blog/configure-haproxy-with-tpr...