Now that we have learned a lot of details about the most important resources in Kubernetes, it is helpful to compare the two orchestrators, SwarmKit and Kubernetes, by matching the important resources. Here is the table:
|
SwarmKit |
Kubernetes |
Description |
|
Swarm |
Cluster |
Set of servers/nodes managed by the respective orchestrator. |
|
Node |
Cluster member |
Single host (physical or virtual) which is a member of the swarm/cluster.
|
|
Manager node |
Master |
Node managing the swarm/cluster. This is the control plane. |
|
Worker node |
Node |
Member of the swarm/cluster running application workload. |
|
Container |
Container** |
Instance of a container image running on a node. In a Kubernetes cluster, we cannot run a container. |
|
Task |
Pod |
Instance of a service (swarm) or ReplicaSet (Kubernetes) running on a node. A task manages... |
