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title: Ambient
test: n/a
Ambient 模式指的是一种[数据面模式](/zh/docs/reference/glossary/#data-plane-mode)，
由每个节点以及可选的按命名空间的组件构成。
在 Ambient **模式**下安装 Istio 时创建的网格可以称为 Ambient **网格**。
Ambient 模式是基于 [Sidecar](/zh/docs/reference/glossary/#sidecar) 部署的替代方案。