114 lines
11 KiB
XML
114 lines
11 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
|
|
<mxfile host="app.diagrams.net" modified="2026-07-23T00:00:00.000Z" agent="techviz-harness" version="24.7.17" type="device">
|
|
<diagram id="packet-control-and-data-paths" name="control/setup path 는 QEMU 를 지나고 data path 는 backend 에 따라 QEMU 를 지나기도 안 지나기도 한다">
|
|
<mxGraphModel dx="680" dy="1296" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="827" pageHeight="1296" math="0" shadow="0">
|
|
<root>
|
|
<mxCell id="0"/>
|
|
<mxCell id="1" parent="0"/>
|
|
<mxCell id="n_virsh" value="virsh<br/>User" tooltip="VM/network 관리 CLI. packet datapath 에는 직접 참여하지 않는다. | Evidence: L5662-L5662, L5687-L5689" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
|
|
<mxGeometry x="90.5" y="60.0" width="150.0" height="71.0" as="geometry"/>
|
|
</mxCell>
|
|
<mxCell id="n_physical-nic" value="Physical NIC" tooltip="밖에서 온 packet 이 처음 닿는 하드웨어. | Evidence: L5706-L5708" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
|
|
<mxGeometry x="300.5" y="63.5" width="150.0" height="64.0" as="geometry"/>
|
|
</mxCell>
|
|
<mxCell id="n_libvirt" value="libvirt" tooltip="VM lifecycle 과 NIC/network configuration 을 관리한다. | Evidence: L5663-L5663, L5691-L5691" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
|
|
<mxGeometry x="82.0" y="227.0" width="150.0" height="64.0" as="geometry"/>
|
|
</mxCell>
|
|
<mxCell id="n_physical-nic-driver" value="Physical NIC Driver" tooltip="그 하드웨어를 제어하는 Host kernel driver. | Evidence: L5674-L5674, L5710-L5710" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
|
|
<mxGeometry x="292.0" y="227.0" width="167.0" height="64.0" as="geometry"/>
|
|
</mxCell>
|
|
<mxCell id="n_qemu" value="QEMU<br/>Host Userspace" tooltip="실제로 실행되는 프로세스. 이 안에 virtio-net device model 이 있다. | Evidence: L5666-L5666, L5693-L5693" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
|
|
<mxGeometry x="90.5" y="388.5" width="150.0" height="71.0" as="geometry"/>
|
|
</mxCell>
|
|
<mxCell id="n_linux-bridge" value="Linux Bridge /
|
|
Routing / NAT" tooltip="L2 software switch 와 L3 routing, 주소 변환이 놓이는 자리. | Evidence: L5672-L5673, L5712-L5712" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
|
|
<mxGeometry x="300.5" y="387.0" width="150.0" height="74.0" as="geometry"/>
|
|
</mxCell>
|
|
<mxCell id="n_virtio-net-device-model" value="virtio-net Device Model<br/>virtual NIC 생성<br/>feature negotiation<br/>virtqueue 설정<br/>vhost-net backend 설정" tooltip="control/setup path 가 닿는 자리. 장치를 만들고 backend 를 연결한다. | Evidence: L5666-L5666, L5695-L5700" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;strokeColor=#2563eb;strokeWidth=2;" vertex="1" parent="1">
|
|
<mxGeometry x="70.0" y="557.0" width="174.0" height="142.0" as="geometry"/>
|
|
</mxCell>
|
|
<mxCell id="n_tap" value="TAP<br/>Host-side interface" tooltip="VM 의 Ethernet frame 과 Host Linux networking 을 잇는 접점. | Evidence: L5671-L5671, L5714-L5714" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
|
|
<mxGeometry x="304.0" y="592.5" width="167.0" height="71.0" as="geometry"/>
|
|
</mxCell>
|
|
<mxCell id="n_qemu-virtio-backend" value="QEMU virtio backend<br/>QEMU Userspace" tooltip="vhost-net 을 쓰지 않을 때 datapath backend 를 맡는 쪽. | Evidence: L5668-L5668, L5742-L5742" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
|
|
<mxGeometry x="82.0" y="795.0" width="167.0" height="71.0" as="geometry"/>
|
|
</mxCell>
|
|
<mxCell id="n_vhost-net" value="vhost-net<br/>Host Kernel" tooltip="반복되는 packet datapath 를 Host kernel 에서 처리하는 backend. | Evidence: L5669-L5669, L5716-L5716" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
|
|
<mxGeometry x="309.0" y="795.0" width="150.0" height="71.0" as="geometry"/>
|
|
</mxCell>
|
|
<mxCell id="n_virtqueue" value="virtqueue<br/>shared queue" tooltip="Guest 와 Host backend 가 I/O buffer 를 주고받는 descriptor 기반 공유 큐. | Evidence: L5667-L5667, L5718-L5718" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
|
|
<mxGeometry x="195.5" y="962.0" width="150.0" height="71.0" as="geometry"/>
|
|
</mxCell>
|
|
<mxCell id="n_guest" value="Guest<br/>virtio-net Frontend Driver<br/>Guest TCP/IP Stack<br/>Socket<br/>Keycloak" tooltip="packet 이 올라가 애플리케이션 socket 에 닿는 쪽. | Evidence: L5664-L5665, L5720-L5726" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
|
|
<mxGeometry x="162.5" y="1129.0" width="216.0" height="122.0" as="geometry"/>
|
|
</mxCell>
|
|
<mxCell id="e_bridge-to-tap" value="Ethernet Frame" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_linux-bridge" target="n_tap">
|
|
<mxGeometry relative="1" as="geometry">
|
|
<mxPoint x="381.5" y="498.8" as="offset"/>
|
|
</mxGeometry>
|
|
</mxCell>
|
|
<mxCell id="e_driver-to-bridge" value="L2 forwarding" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_physical-nic-driver" target="n_linux-bridge">
|
|
<mxGeometry relative="1" as="geometry">
|
|
<mxPoint x="399.5" y="339.0" as="offset"/>
|
|
</mxGeometry>
|
|
</mxCell>
|
|
<mxCell id="e_libvirt-to-qemu" value="NIC/network configuration" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_libvirt" target="n_qemu">
|
|
<mxGeometry relative="1" as="geometry">
|
|
<mxPoint x="161.2" y="311.8" as="offset"/>
|
|
</mxGeometry>
|
|
</mxCell>
|
|
<mxCell id="e_nic-to-driver" value="Ethernet Frame" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_physical-nic" target="n_physical-nic-driver">
|
|
<mxGeometry relative="1" as="geometry">
|
|
<mxPoint x="399.5" y="177.2" as="offset"/>
|
|
</mxGeometry>
|
|
</mxCell>
|
|
<mxCell id="e_qemu-backend-to-virtqueue" value="Data Path" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_qemu-virtio-backend" target="n_virtqueue">
|
|
<mxGeometry relative="1" as="geometry">
|
|
<mxPoint x="213.5" y="886.0" as="offset"/>
|
|
</mxGeometry>
|
|
</mxCell>
|
|
<mxCell id="e_qemu-to-device-model" value="QEMU process" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_qemu" target="n_virtio-net-device-model">
|
|
<mxGeometry relative="1" as="geometry">
|
|
<mxPoint x="161.2" y="480.2" as="offset"/>
|
|
</mxGeometry>
|
|
</mxCell>
|
|
<mxCell id="e_setup-qemu-backend" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_virtio-net-device-model" target="n_qemu-virtio-backend">
|
|
<mxGeometry relative="1" as="geometry">
|
|
<mxPoint x="152.2" y="719.0" as="offset"/>
|
|
</mxGeometry>
|
|
</mxCell>
|
|
<mxCell id="e_setup-vhost-backend" value="vhost-net backend 설정" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_virtio-net-device-model" target="n_vhost-net">
|
|
<mxGeometry relative="1" as="geometry">
|
|
<mxPoint x="270.5" y="719.0" as="offset"/>
|
|
</mxGeometry>
|
|
</mxCell>
|
|
<mxCell id="e_tap-to-qemu-backend" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_tap" target="n_qemu-virtio-backend">
|
|
<mxGeometry relative="1" as="geometry">
|
|
<mxPoint x="276.5" y="701.2" as="offset"/>
|
|
</mxGeometry>
|
|
</mxCell>
|
|
<mxCell id="e_tap-to-vhost" value="vhost-net 사용" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_tap" target="n_vhost-net">
|
|
<mxGeometry relative="1" as="geometry">
|
|
<mxPoint x="394.8" y="701.2" as="offset"/>
|
|
</mxGeometry>
|
|
</mxCell>
|
|
<mxCell id="e_vhost-to-virtqueue" value="Data Path" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_vhost-net" target="n_virtqueue">
|
|
<mxGeometry relative="1" as="geometry">
|
|
<mxPoint x="331.8" y="886.0" as="offset"/>
|
|
</mxGeometry>
|
|
</mxCell>
|
|
<mxCell id="e_virsh-to-libvirt" value="Control / Setup" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_virsh" target="n_libvirt">
|
|
<mxGeometry relative="1" as="geometry">
|
|
<mxPoint x="161.2" y="151.0" as="offset"/>
|
|
</mxGeometry>
|
|
</mxCell>
|
|
<mxCell id="e_virtqueue-to-guest" value="virtio-net Frontend Driver" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_virtqueue" target="n_guest">
|
|
<mxGeometry relative="1" as="geometry">
|
|
<mxPoint x="294.5" y="1081.0" as="offset"/>
|
|
</mxGeometry>
|
|
</mxCell>
|
|
</root>
|
|
</mxGraphModel>
|
|
</diagram>
|
|
</mxfile>
|