# Swarm mode

Docker 1.12 [Swarm mode](https://docs.docker.com/engine/swarm/) 已经内嵌入 Docker 引擎，成为了 docker 子命令 `docker swarm`。请注意与旧的 `Docker Swarm` 区分开来。

`Swarm mode` 内置 kv 存储功能，提供了众多的新特性，比如：具有容错能力的去中心化设计、内置服务发现、负载均衡、路由网格、动态伸缩、滚动更新、安全传输等。使得 Docker 原生的 `Swarm` 集群具备与 Mesos、Kubernetes 竞争的实力。


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