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      <title>OpenStack Neutron 网络类型设计与实现：flat、VLAN 与 VXLAN</title>
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      <description>从 flat 到 VLAN 再到 VXLAN，逐步拆解 Neutron 三种网络类型的 ML2 与 OVS 配置、外部网络与路由器打通方式、OVS 流表转发分析，以及云主机通过 169.254.169.254 获取 metadata 的完整链路。</description>
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      <title>OpenStack Neutron 网络服务详解：虚拟交换组件与跨主机数据流分析</title>
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      <description>梳理 Neutron 的网络虚拟化机制：OVS/OVN 虚拟交换机、namespace 租户隔离，以及 tap/qbr/qvb/qvo/br-int 各设备的作用，并逐层拆解同主机、跨主机、跨网络与访问 Internet 四类数据流。</description>
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      <title>OpenStack发放云主机</title>
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