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vCluster Networking
vCluster - Networking

By default, resources such as Service and Ingress are synced from the virtual cluster to the host cluster in order to enable correct network functionality for the vCluster.

Pod-To-Pod Traffic

Since pods are synchronized by the syncer component of the vCluster, they actually run inside the host namespace of the underlying cluster. That means that these pods have regular cluster-internal IP addresses and can communicate with each other via IP-based networking.

Pod-To-Service Traffic

By default, the vCluster also synchronizes Services (while stripping away unnecessary information from the resource) to allow pods to communicate with services. However, instead of using the DNS names of the services inside the host cluster, the vCluster has its own DNS service which allows the vCluster pods to use much more intuitive DNS mappings just as in a regular cluster.