红帽全球峰会2.4. 推荐的 DNS 服务拓扑
推荐的拓扑包括在 Red Hat OpenStack Platform (RHOSP) Controller 主机上部署 DNS 服务。如果您的 RHOSP 部署具有高可用性，则至少有三个 RHOSP 控制器，各自包含 DNS 服务。
图 2.1. 推荐的 DNS 服务拓扑
在图 2.1 中，DNS 服务组件在其各自容器中运行。以颜色为黑色的容器是 DNS 服务与其他 RHOSP 服务共享的资源。
点线容器代表 BIND 和 Unbound 的可选放置。如果您的站点具有繁重的数据流量占用量，您可能需要使用专用的主机来分别包含 BIND 和 Unbound。
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