K8S网络: DNS解析 七层-ingress (HTTP/HTTPS) 四层-SERVICE (TCP/UPD) KUBE-PROXY 网络包方向: ![外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传](https://img-home.csdnimg.cn/images/20230724024159.png?origin_url= DNS—>LB—>INGRESS—>NODE—>SERVICE—>POD