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Mark KubeVirt live migration as tech preview in CE 3.23 release notes #2856

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Mark KubeVirt live migration as tech preview in CE 3.23 release notes #2856

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4 changes: 3 additions & 1 deletion calico-enterprise_versioned_docs/version-3.23-2/release-notes/index.mdx
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Expand Up @@ -67,12 +67,14 @@ This is the first phase of phasing out the aggregated API server: in a future re

For more information, see [Enable native v3 CRDs](../operations/native-v3-crds.mdx) and [Migrate from API server to native CRDs](../operations/crd-migration.mdx).

### Live migration for KubeVirt VMs
### Live migration for KubeVirt VMs (tech preview)

$[prodname] now provides first-class networking for KubeVirt virtual machines, including persistent IP addresses and BGP-aware live migration.
A VM keeps the same IP address across reboots, pod evictions, and live migrations, and $[prodname] uses route priority to steer traffic to the new host as a running VM migrates between nodes without breaking established connections.
In single-rack iBGP deployments this works automatically; in multi-rack or eBGP topologies, you configure `BGPFilter` resources to propagate route priority across AS boundaries.

Live migration support is a tech preview feature and may change significantly before it becomes GA. It currently requires BGP networking without overlay.

For more information, see [Calico Enterprise networking for KubeVirt](../networking/kubevirt/kubevirt-networking.mdx) and [BGP routing for KubeVirt live migration](../networking/kubevirt/live-migration-bgp.mdx).

{/* End 3.23.0-2.0 features */}
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