enable dual CNI plugin dataplanes #9743
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marvin-tigera
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VadimEisenberg
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This functionality can be handled by CNI plugin chaining, by adding an additional CNI plugin. |
marvin-tigera
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Description
Currently, for CNI plugin it is possible to use either the default system dataplane or a grpc one. In NeuReality, our hardware, employs a dual network stack for different types of traffic. One is the standard Linux stack, for which the default system dataplane is used. For the other network stack, we developed our own dataplane (external).
We propose to change Calico code to enable using two dataplanes simultaneously. The default system dataplane will be designated as the primary one, the external dataplane will be designated as the secondary one. Calico will send messages to both dataplanes.
The change should not be disruptive to the current users of Calico since they will continue to specify either default system dataplane or a grpc dataplane. In case a dataplane option
"useAsSecondary": "true"in addition to"type": "grpc", two dataplanes will be used simultaneously.Related issues/PRs
Todos
Release Note