<mxfile host="app.diagrams.net" agent="architecture-deliverables" version="24.0.0">
  <diagram name="Deployment Topology and Failure Domains" id="15-deployment-architecture">
    <mxGraphModel dx="1400" dy="900" background="#ffffff" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1740" pageHeight="1030" math="0" shadow="0">
      <root>
        <mxCell id="0" />
        <mxCell id="1" parent="0" />
        <mxCell id="_box1" value="Primary Region — eu-west-1" style="rounded=1;arcSize=3;whiteSpace=wrap;html=1;fillColor=none;strokeColor=#6c8ebf;verticalAlign=top;align=left;spacingLeft=12;spacingTop=6;fontSize=11;fontStyle=2;fontColor=#5b7fa6;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="40" y="80" width="1650" height="270" as="geometry" />
        </mxCell>
        <mxCell id="_box2" value="Availability Zone A" style="rounded=1;arcSize=3;whiteSpace=wrap;html=1;fillColor=none;strokeColor=#6c8ebf;dashed=1;dashPattern=8 8;verticalAlign=top;align=left;spacingLeft=12;spacingTop=6;fontSize=11;fontStyle=2;fontColor=#5b7fa6;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="60" y="110" width="510" height="220" as="geometry" />
        </mxCell>
        <mxCell id="n.d-ka" value="&lt;b&gt;Kafka Brokers&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;12 nodes&lt;/font&gt;" style="shape=process;size=0.08;whiteSpace=wrap;html=1;fillColor=#ffe6cc;strokeColor=#d79b00;fontColor=#4a3200;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="130" y="140" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.d-fa" value="&lt;b&gt;Flink Task Managers&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;Autoscaled&lt;/font&gt;" style="rounded=1;arcSize=8;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontColor=#1a2b45;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="340" y="140" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.d-sa" value="&lt;b&gt;Spark Workers&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;Spot + on demand&lt;/font&gt;" style="rounded=1;arcSize=8;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontColor=#1a2b45;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="240" y="230" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="_box3" value="Availability Zone B" style="rounded=1;arcSize=3;whiteSpace=wrap;html=1;fillColor=none;strokeColor=#6c8ebf;dashed=1;dashPattern=8 8;verticalAlign=top;align=left;spacingLeft=12;spacingTop=6;fontSize=11;fontStyle=2;fontColor=#5b7fa6;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="610" y="110" width="510" height="220" as="geometry" />
        </mxCell>
        <mxCell id="n.d-kb" value="&lt;b&gt;Kafka Brokers&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;12 nodes&lt;/font&gt;" style="shape=process;size=0.08;whiteSpace=wrap;html=1;fillColor=#ffe6cc;strokeColor=#d79b00;fontColor=#4a3200;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="680" y="140" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.d-fb" value="&lt;b&gt;Flink Task Managers&lt;/b&gt;" style="rounded=1;arcSize=8;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontColor=#1a2b45;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="890" y="140" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.d-sb" value="&lt;b&gt;Spark Workers&lt;/b&gt;" style="rounded=1;arcSize=8;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontColor=#1a2b45;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="780" y="230" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="_box4" value="Availability Zone C" style="rounded=1;arcSize=3;whiteSpace=wrap;html=1;fillColor=none;strokeColor=#6c8ebf;dashed=1;dashPattern=8 8;verticalAlign=top;align=left;spacingLeft=12;spacingTop=6;fontSize=11;fontStyle=2;fontColor=#5b7fa6;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="1160" y="110" width="510" height="220" as="geometry" />
        </mxCell>
        <mxCell id="n.d-kc" value="&lt;b&gt;Kafka Brokers&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;12 nodes&lt;/font&gt;" style="shape=process;size=0.08;whiteSpace=wrap;html=1;fillColor=#ffe6cc;strokeColor=#d79b00;fontColor=#4a3200;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="1230" y="140" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.d-af" value="&lt;b&gt;Airflow Scheduler&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;Active / standby&lt;/font&gt;" style="rounded=1;arcSize=8;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontColor=#1a2b45;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="1430" y="140" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.d-api" value="&lt;b&gt;Profile API Pods&lt;/b&gt;" style="rounded=1;arcSize=8;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontColor=#1a2b45;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="1330" y="230" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="_box5" value="Regional Managed Services" style="rounded=1;arcSize=3;whiteSpace=wrap;html=1;fillColor=none;strokeColor=#6c8ebf;verticalAlign=top;align=left;spacingLeft=12;spacingTop=6;fontSize=11;fontStyle=2;fontColor=#5b7fa6;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="40" y="370" width="1650" height="190" as="geometry" />
        </mxCell>
        <mxCell id="_box6" value="Storage &amp; catalog" style="rounded=1;arcSize=3;whiteSpace=wrap;html=1;fillColor=none;strokeColor=#6c8ebf;dashed=1;dashPattern=8 8;verticalAlign=top;align=left;spacingLeft=12;spacingTop=6;fontSize=11;fontStyle=2;fontColor=#5b7fa6;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="60" y="400" width="790" height="140" as="geometry" />
        </mxCell>
        <mxCell id="n.d-s3" value="&lt;b&gt;Object Storage&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;Cross region replication&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="270" y="430" width="170" height="90" as="geometry" />
        </mxCell>
        <mxCell id="n.d-uc" value="&lt;b&gt;Catalog Metastore&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;Multi AZ&lt;/font&gt;" style="rounded=1;arcSize=8;whiteSpace=wrap;html=1;fillColor=#e1d5e7;strokeColor=#9673a6;fontColor=#3a2b44;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="480" y="430" width="170" height="90" as="geometry" />
        </mxCell>
        <mxCell id="_box7" value="State &amp; serving" style="rounded=1;arcSize=3;whiteSpace=wrap;html=1;fillColor=none;strokeColor=#6c8ebf;dashed=1;dashPattern=8 8;verticalAlign=top;align=left;spacingLeft=12;spacingTop=6;fontSize=11;fontStyle=2;fontColor=#5b7fa6;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="890" y="400" width="790" height="140" as="geometry" />
        </mxCell>
        <mxCell id="n.d-kv" value="&lt;b&gt;Profile Key Value Store&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;3 AZ replicas&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="1090" y="430" width="180" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.d-wh" value="&lt;b&gt;SQL Warehouse&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;Serverless pools&lt;/font&gt;" style="rounded=1;arcSize=8;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontColor=#1a2b45;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="1300" y="430" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="_box8" value="DR Region — eu-central-1 (warm standby)" style="rounded=1;arcSize=3;whiteSpace=wrap;html=1;fillColor=none;strokeColor=#6c8ebf;verticalAlign=top;align=left;spacingLeft=12;spacingTop=6;fontSize=11;fontStyle=2;fontColor=#5b7fa6;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="40" y="590" width="1650" height="170" as="geometry" />
        </mxCell>
        <mxCell id="_box9" value="Standby compute" style="rounded=1;arcSize=3;whiteSpace=wrap;html=1;fillColor=none;strokeColor=#6c8ebf;dashed=1;dashPattern=8 8;verticalAlign=top;align=left;spacingLeft=12;spacingTop=6;fontSize=11;fontStyle=2;fontColor=#5b7fa6;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="60" y="620" width="790" height="120" as="geometry" />
        </mxCell>
        <mxCell id="n.d-kdr" value="&lt;b&gt;Kafka Mirror Cluster&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;Cluster Linking&lt;/font&gt;" style="shape=process;size=0.08;whiteSpace=wrap;html=1;fillColor=#ffe6cc;strokeColor=#d79b00;fontColor=#4a3200;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="270" y="650" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.d-cdr" value="&lt;b&gt;Pre-provisioned Compute&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;Scaled to zero&lt;/font&gt;" style="rounded=1;arcSize=8;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontColor=#1a2b45;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="470" y="650" width="180" height="70" as="geometry" />
        </mxCell>
        <mxCell id="_box10" value="Standby data" style="rounded=1;arcSize=3;whiteSpace=wrap;html=1;fillColor=none;strokeColor=#6c8ebf;dashed=1;dashPattern=8 8;verticalAlign=top;align=left;spacingLeft=12;spacingTop=6;fontSize=11;fontStyle=2;fontColor=#5b7fa6;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="890" y="620" width="790" height="120" as="geometry" />
        </mxCell>
        <mxCell id="n.d-s3dr" value="&lt;b&gt;Replicated Buckets&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;RPO 15 min&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="1090" y="650" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.d-ucdr" value="&lt;b&gt;Catalog Replica&lt;/b&gt;" style="rounded=1;arcSize=8;whiteSpace=wrap;html=1;fillColor=#e1d5e7;strokeColor=#9673a6;fontColor=#3a2b44;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="1300" y="650" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.d-dns" value="&lt;b&gt;Global Traffic Manager&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;Health based failover&lt;/font&gt;" style="rounded=1;arcSize=8;whiteSpace=wrap;html=1;fillColor=#ffe6cc;strokeColor=#d79b00;fontColor=#4a3200;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="780" y="790" width="180" height="70" as="geometry" />
        </mxCell>
        <mxCell id="_e11" value="async mirror" style="edgeStyle=orthogonalEdgeStyle;rounded=1;html=1;jettySize=auto;orthogonalLoop=1;dashed=1;endArrow=open;endFill=0;strokeColor=#d79b00;strokeWidth=1.4;fontSize=10;fontColor=#42536a;labelBackgroundColor=#ffffff;verticalAlign=bottom;fontFamily=Segoe UI;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;" edge="1" parent="1" source="n.d-ka" target="n.d-kdr">
          <mxGeometry relative="1" as="geometry">
            <Array as="points">
              <mxPoint x="220" y="220" />
              <mxPoint x="220" y="220" />
              <mxPoint x="220" y="590" />
              <mxPoint x="360" y="590" />
            </Array>
          </mxGeometry>
        </mxCell>
        <mxCell id="_e12" value="CRR, 15 min" style="edgeStyle=orthogonalEdgeStyle;rounded=1;html=1;jettySize=auto;orthogonalLoop=1;dashed=1;endArrow=open;endFill=0;strokeColor=#d79b00;strokeWidth=1.4;fontSize=10;fontColor=#42536a;labelBackgroundColor=#ffffff;verticalAlign=bottom;fontFamily=Segoe UI;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;" edge="1" parent="1" source="n.d-s3" target="n.d-s3dr">
          <mxGeometry relative="1" as="geometry">
            <Array as="points">
              <mxPoint x="360" y="590" />
              <mxPoint x="1180" y="590" />
            </Array>
          </mxGeometry>
        </mxCell>
        <mxCell id="_e13" value="metadata sync" style="edgeStyle=orthogonalEdgeStyle;rounded=1;html=1;jettySize=auto;orthogonalLoop=1;dashed=1;endArrow=open;endFill=0;strokeColor=#d79b00;strokeWidth=1.4;fontSize=10;fontColor=#42536a;labelBackgroundColor=#ffffff;verticalAlign=bottom;fontFamily=Segoe UI;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;" edge="1" parent="1" source="n.d-uc" target="n.d-ucdr">
          <mxGeometry relative="1" as="geometry">
            <Array as="points">
              <mxPoint x="570" y="600" />
              <mxPoint x="1390" y="600" />
            </Array>
          </mxGeometry>
        </mxCell>
        <mxCell id="_e14" value="primary" style="edgeStyle=orthogonalEdgeStyle;rounded=1;html=1;jettySize=auto;orthogonalLoop=1;endArrow=block;endFill=1;strokeColor=#5a6570;strokeWidth=1.4;fontSize=10;fontColor=#42536a;labelBackgroundColor=#ffffff;verticalAlign=bottom;fontFamily=Segoe UI;exitX=0.5;exitY=0;exitDx=0;exitDy=0;entryX=0.5;entryY=1;entryDx=0;entryDy=0;" edge="1" parent="1" source="n.d-dns" target="n.d-api">
          <mxGeometry relative="1" as="geometry">
            <Array as="points">
              <mxPoint x="870" y="760" />
              <mxPoint x="1070" y="760" />
              <mxPoint x="1070" y="370" />
              <mxPoint x="1420" y="370" />
            </Array>
          </mxGeometry>
        </mxCell>
        <mxCell id="_e15" value="on failover" style="edgeStyle=orthogonalEdgeStyle;rounded=1;html=1;jettySize=auto;orthogonalLoop=1;dashed=1;endArrow=block;endFill=1;strokeColor=#b85450;strokeWidth=1.4;fontSize=10;fontColor=#42536a;labelBackgroundColor=#ffffff;verticalAlign=bottom;fontFamily=Segoe UI;exitX=0.5;exitY=0;exitDx=0;exitDy=0;entryX=0.5;entryY=1;entryDx=0;entryDy=0;" edge="1" parent="1" source="n.d-dns" target="n.d-cdr">
          <mxGeometry relative="1" as="geometry">
            <Array as="points">
              <mxPoint x="870" y="770" />
              <mxPoint x="560" y="770" />
            </Array>
          </mxGeometry>
        </mxCell>
        <mxCell id="title" value="Deployment Topology and Failure Domains" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=20;fontStyle=1;fontColor=#16202c;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="40" y="20" width="1650" height="30" as="geometry" />
        </mxCell>
        <mxCell id="rule" value="" style="line;strokeWidth=1;html=1;strokeColor=#c9d3de;" vertex="1" parent="1">
          <mxGeometry x="40" y="50" width="1650" height="10" as="geometry" />
        </mxCell>
        <mxCell id="_lg16" value="" style="rounded=1;arcSize=30;html=1;fillColor=#ffe6cc;strokeColor=#d79b00;" vertex="1" parent="1">
          <mxGeometry x="40" y="930" width="20" height="10" as="geometry" />
        </mxCell>
        <mxCell id="_lg17" value="Queue / topic" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=10;fontColor=#7b8794;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="70" y="930" width="80" height="20" as="geometry" />
        </mxCell>
        <mxCell id="_lg18" value="" style="rounded=1;arcSize=30;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;" vertex="1" parent="1">
          <mxGeometry x="180" y="930" width="20" height="10" as="geometry" />
        </mxCell>
        <mxCell id="_lg19" value="Application we own" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=10;fontColor=#7b8794;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="200" y="930" width="110" height="20" as="geometry" />
        </mxCell>
        <mxCell id="_lg20" value="" style="rounded=1;arcSize=30;html=1;fillColor=#d5e8d4;strokeColor=#82b366;" vertex="1" parent="1">
          <mxGeometry x="330" y="930" width="20" height="10" as="geometry" />
        </mxCell>
        <mxCell id="_lg21" value="Data store" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=10;fontColor=#7b8794;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="360" y="930" width="70" height="20" as="geometry" />
        </mxCell>
        <mxCell id="_lg22" value="" style="rounded=1;arcSize=30;html=1;fillColor=#e1d5e7;strokeColor=#9673a6;" vertex="1" parent="1">
          <mxGeometry x="450" y="930" width="20" height="10" as="geometry" />
        </mxCell>
        <mxCell id="_lg23" value="Security / platform" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=10;fontColor=#7b8794;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="480" y="930" width="110" height="20" as="geometry" />
        </mxCell>
        <mxCell id="_lg24" value="" style="rounded=1;arcSize=30;html=1;fillColor=#ffe6cc;strokeColor=#d79b00;" vertex="1" parent="1">
          <mxGeometry x="610" y="930" width="20" height="10" as="geometry" />
        </mxCell>
        <mxCell id="_lg25" value="Interface / broker" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=10;fontColor=#7b8794;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="640" y="930" width="110" height="20" as="geometry" />
        </mxCell>
        <mxCell id="_lg26" value="" style="html=1;endArrow=none;dashed=1;strokeColor=#d79b00;strokeWidth=1.4;" edge="1" parent="1">
          <mxGeometry relative="1" as="geometry">
            <mxPoint x="770" y="940" as="sourcePoint" />
            <mxPoint x="800" y="940" as="targetPoint" />
          </mxGeometry>
        </mxCell>
        <mxCell id="_lg27" value="event / async" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=10;fontColor=#7b8794;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="800" y="930" width="80" height="20" as="geometry" />
        </mxCell>
        <mxCell id="_lg28" value="" style="html=1;endArrow=none;strokeColor=#5a6570;strokeWidth=1.4;" edge="1" parent="1">
          <mxGeometry relative="1" as="geometry">
            <mxPoint x="900" y="940" as="sourcePoint" />
            <mxPoint x="930" y="940" as="targetPoint" />
          </mxGeometry>
        </mxCell>
        <mxCell id="_lg29" value="synchronous" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=10;fontColor=#7b8794;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="930" y="930" width="70" height="20" as="geometry" />
        </mxCell>
        <mxCell id="_lg30" value="" style="html=1;endArrow=none;dashed=1;strokeColor=#b85450;strokeWidth=1.4;" edge="1" parent="1">
          <mxGeometry relative="1" as="geometry">
            <mxPoint x="1030" y="940" as="sourcePoint" />
            <mxPoint x="1050" y="940" as="targetPoint" />
          </mxGeometry>
        </mxCell>
        <mxCell id="_lg31" value="failure / alternate" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=10;fontColor=#7b8794;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="1050" y="930" width="110" height="20" as="geometry" />
        </mxCell>
        <mxCell id="note" value="Loss of one AZ costs capacity, not availability. RTO 4 h, RPO 15 min for a region loss." style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=10;fontColor=#8a97a5;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="40" y="960" width="1650" height="20" as="geometry" />
        </mxCell>
        <mxCell id="foot-rule" value="" style="line;strokeWidth=1;html=1;strokeColor=#e3e9ef;" vertex="1" parent="1">
          <mxGeometry x="40" y="980" width="1650" height="10" as="geometry" />
        </mxCell>
        <mxCell id="foot" value="v 1.0   ·   owner Platform Engineering   ·   date 2026-08" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=9;fontColor=#9aa7b4;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="40" y="990" width="1650" height="10" as="geometry" />
        </mxCell>
      </root>
    </mxGraphModel>
  </diagram>
</mxfile>
