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| Multicast | WKA | AWS | Kubernetes |
|---|---|---|---|
| All nodes should be in the same subnet | Nodes can be in different networks | Amazon EC2 nodes | Kubernetes pods |
| All nodes should be in the same multicast domain | No multicasting requirement | No multicasting requirement | No multicasting requirement |
| Multicasting should not be blocked | No multicasting requirement | No multicasting requirement | No multicasting requirement |
| No fixed IP addresses or hosts required | At least one well-known IP address or host required | No fixed IP addresses or hosts required | No fixed IP addresses or hosts required |
| Failure of any member does not affect membership discovery | New members can join with some WKA nodes down, but not if all WKA nodes are down | Failure of any member does not affect membership discovery | Failure of any member does not affect membership discovery |
| Does not work on IaaSs such as Amazon EC2 | IaaS-friendly | Works on Amazon EC2 | Works with Kubernetes and OpenShift EnvironmetnsEnvironments |
| No WKA requirement | Requires keepalive, elastic IPs, or some other mechanism for re-mapping IP addresses of WK members in cases of failure | No WKA requirement | No WKA requirement |
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