Control plane
The systems and protocols that create, distribute, and manage service state, such as zone data, policies, IPAM objects, and DHCP configuration. It is distinct from the data plane that answers queries or leases.
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3 definitions associated with Architecture.
Data plane
The runtime components that directly answer DNS queries, allocate DHCP leases, or forward traffic. Data-plane availability can remain intact even when the management or control plane is temporarily unavailable, depending on design.
Management plane
The interfaces and systems administrators use to configure, observe, audit, and automate DDI services. Compromise or outage of the management plane can be serious even when data-plane service continues.