Will Pod IPs in PodCIDRs Allocated from Multiple ClusterCIDR Objects be Duplicated?

kubernetes-sigs / node-ipam-controller

Out of tree implementation of https://github.com/kubernetes/enhancements/tree/master/keps/sig-network/2593-multiple-cluster-cidrs

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Will Pod IPs in PodCIDRs Allocated from Multiple ClusterCIDR Objects be Duplicated? #18

Closed EanWo closed 3 months ago

EanWo commented 3 months ago

While using the controller, I am considering a question: suppose there are two nodes, each using a PodCIDR allocated from different ClusterCIDR objects. If I schedule several pods on these two nodes, is it possible for the pod IPs to be duplicated? If duplication occurs, it would be a significant issue.