Trunk Through Fan

Gallery / Fan-out and Fan-in

A pass-through section: the trunk runs straight through a symmetric fan-and-reconverge, exit on the merge row (regression lock for detached reconvergence exits).

Mermaid source

%%metro title: Trunk Through Fan
%%metro style: dark
%%metro center_ports: true
%%metro line: a | A | #e63946
%%metro line: b | B | #0570b0

%%metro grid: source | 0,0
%%metro grid: middle | 1,0
%%metro grid: sink | 2,0

graph LR
    subgraph source [Source]
        s1[Input]
        s2[Prepare]
        s1 -->|a,b| s2
    end

    subgraph middle [Middle]
        %%metro entry: left | a, b
        %%metro exit: right | a, b
        split[Split]
        up[Path Up]
        down[Path Down]
        join[Join]
        split -->|a,b| up
        split -->|a,b| down
        up -->|a,b| join
        down -->|a,b| join
    end

    subgraph sink [Sink]
        %%metro entry: left | a, b
        report[Report]
    end

    s2 -->|a,b| split
    join -->|a,b| report

CLI command

nf-metro render examples/topologies/trunk_through_fan.mmd -o trunk_through_fan.svg

Rendered map