模板 / flowchart
负载均衡网络拓扑
标准三层拓扑:负载均衡器、应用层,以及主/副本数据库对。
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Mermaid 11 渲染器
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Mermaid 源码
flowchart
flowchart TD
internet((Internet)) --> lb[Load balancer]
lb --> app1[App server 1]
lb --> app2[App server 2]
lb --> app3[App server 3]
app1 --> primary[(Primary DB)]
app2 --> primary
app3 --> primary
primary -.replication.-> replica[(Read replica)]
app1 -.reads.-> replica