红帽全球峰会第 14 章 为项目启用多播
14.1. 关于多播
复制链接链接已复制到粘贴板!
通过使用 IP 多播，数据可同时广播到许多 IP 地址。
重要
- 目前，多播最适用于低带宽协调或服务发现。它不是一个高带宽解决方案。
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默认情况下，网络策略会影响命名空间中的所有连接。但是，多播不受网络策略的影响。如果在与网络策略相同的命名空间中启用了多播，则始终允许多播，即使有一个
deny-all网络策略。在启用网络策略前，集群管理员应考虑对多播的影响。
默认情况下，OpenShift Container Platform pod 之间多播流量被禁用。如果使用 OVN-Kubernetes 网络插件，可以根据每个项目启用多播。
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