digraph G {
    compound="true"
    rankdir="TB"
    bgcolor="white"
    fontname="Tahoma"

    node [
        fixedsize="false"
        fontname="Tahoma"
        color="white"
        fillcolor="grey"
        fontcolor="black"
        shape="box"
        style="filled"
        penwidth="1.0"
    ]
    edge [
        fontname="Arial"
        color="#00688b"
        fontcolor="black"
        fontsize="12"
        arrowsize="0.5"
        penwidth="1.0"
    ]

    "eapub" [fillcolor="deepskyblue2"];
    "rsa" [fillcolor="deepskyblue2"];
    "features" [fillcolor="deepskyblue2"];
    "discovery" [fillcolor="deepskyblue2"];
    "provider" [fillcolor="deepskyblue2"];
    "spi" [fillcolor="deepskyblue2"];
    "topology-manager" [fillcolor="deepskyblue2"];



    "discovery" -> "spi" [label=" 10 ", penwidth="10", color="#00688bFF"];
    "rsa" -> "spi" [label=" 4 ", penwidth="4", color="#00688b93"];
    "provider" -> "spi" [label=" 4 ", penwidth="4", color="#00688b93"];
    "topology-manager" -> "spi" [label=" 4 ", penwidth="4", color="#00688b93"];

}