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Documenting SCTP support in Kubernetes (#10279)

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* Documenting SCTP support in Kubernetes Service, Endpoint, NetworkPolicy and Pod

* Updates based on comments on the PR

* kubectl expose update with SCTP support

* Updated according to comments in the PR

* Revert "kubectl expose update with SCTP support"

This reverts commit 0d5a1e6720a012390cf100c83e16b4a8c0782356.
This commit is contained in:
Laszlo Janosi
2018-09-20 07:43:49 +02:00
committed by k8s-ci-robot
parent f84f77ca8e
commit 1cc51309a1
4 changed files with 51 additions and 3 deletions
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content/en/docs/concepts/services-networking/network-policies.md
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@@ -189,6 +189,15 @@ spec:
This ensures that even pods that aren't selected by any other NetworkPolicy will not be allowed ingress or egress traffic.
## SCTP support
{{< feature-state for_k8s_version="v1.12" state="alpha" >}}
Kubernetes supports SCTP as a `protocol` value in `NetworkPolicy` definitions as an alpha feature. To enable this feature, the cluster administrator needs to enable the `SCTPSupport` feature gate on the apiserver, for example, `“--feature-gates=SCTPSupport=true,...”`. When the feature gate is enabled, users can set the `protocol` field of a `NetworkPolicy` to `SCTP`. Kubernetes sets up the network accordingly for the SCTP associations, just like it does for TCP connections.
The CNI plugin has to support SCTP as `protocol` value in `NetworkPolicy`.
{{% /capture %}}
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