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

    node [
        fixedsize="false"
        fontname="Tahoma"
        color="white"
        fillcolor="deepskyblue2"
        fontcolor="black"
        shape="box"
        style="filled"
        penwidth="1.0"
    ]
    edge [
        fontname="Arial"
        color="#DC143C"
        fontcolor="black"
        fontsize="12"
        arrowsize="0.5"
        penwidth="1.0"
    ]




    "Node/calling" -- "Node/core" [label=" 1720 ", penwidth="10", color="#DC143CFF"];
    "Azure/Node" -- "Node/core" [label=" 315 ", penwidth="1", color="#DC143C5E"];
    "Cognitive Services/Node" -- "Node/core" [label=" 215 ", penwidth="1", color="#DC143C5E"];
    "Azure/CSharp" -- "CSharp/buildtools" [label=" 146 ", penwidth="1", color="#DC143C4C"];
    "CSharp/EchoBot" -- "CSharp/Generator" [label=" 54 ", penwidth="1", color="#DC143C4C"];

}