Merge Port Above Approach

Gallery / Merge & Convergence

A line descending into a multi-feeder merge port from a section above keeps the above-trunk slot all the way to the output, so its riser joins the bundle without crossing the trunk on the outgoing run (issue #704).

Mermaid source

%%metro title: Above Approach Merge
%%metro style: dark
%%metro line: trunk | Trunk | #2db572
%%metro line: bypass | Bypass | #e63946

%%metro grid: above_src | 0,0
%%metro grid: horiz_src | 0,1
%%metro grid: sink | 1,1
%%metro grid: out | 2,1

graph LR
    subgraph above_src [Above Source]
        %%metro exit: right | bypass
        a1[Start A]
        a2[Prep A]
        a1 -->|bypass| a2
    end

    subgraph horiz_src [Horizontal Source]
        %%metro exit: right | trunk
        h1[Start B]
        h2[Prep B]
        h1 -->|trunk| h2
    end

    subgraph sink [Sink]
        %%metro entry: left | trunk,bypass
        %%metro exit: right | trunk,bypass
        s1[Merge]
        s2[Combine]
        s1 -->|trunk,bypass| s2
    end

    subgraph out [Output]
        o1[Report]
    end

    a2 -->|bypass| s1
    h2 -->|trunk| s1
    s2 -->|trunk,bypass| o1

CLI command

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

Rendered map