Term Kind Topic What it is
Cluster Multi-Tenancy Soft Multi-Tenancy, Namespace Tenancy concept Platform Tenancy Multiple teams or workloads sharing one cluster, isolated by namespaces, quotas and policy rather than by separate infrastructure.
Noisy Neighbour Resource Contention, Co-Tenant Interference, Shared-Fate Degradation concept Platform Tenancy One workload degrading others by consuming a shared resource - and specifically the resources nobody set limits on, such as control-plane capacity, node network bandwidth and local disk.