混合网络：让底层网络和覆盖网络在您的Kubernetes集群中共存！ | KC23

Hybridnet: Let Underlay & Overlay Network Coexist in Your Kubernetes... - Bruce Ma & Fang Liang

混合网络：让底层网络和覆盖网络在您的Kubernetes集群中共存！| Hybridnet: Let Underlay & Overlay Network Coexist in Your Kubernetes Clusters! - Bruce Ma & Fang Liang, Ant Group

容器网络有两种类型，即底层网络和覆盖网络。大多数CNI插件只支持一个集群中的一种类型。然而，在混合网络中，我们尝试打破这两者之间的界限，允许用户按需使用底层网络和覆盖网络。混合网络允许用户在集群中创建两种类型的网络，并确保覆盖容器可以直接与底层容器进行通信，而无需进行NAT转换，同时还能保持底层容器之间的高性能通信和对底层主机网络的可见性。除了混合网络功能，混合网络还支持统一的管理API（通过CRD），高级IPAM功能，如IP保留和拓扑感知分配，多种网络模式（VxLAN，VLAN，BGP），双栈以及与社区生态系统组件的良好兼容性。在本次演讲中，我们将演示这些功能的详细信息，以帮助更多人了解混合网络的当前能力。

Container networking has two types, underlay and overlay. Most CNI plugins only support one type in one cluster. However, in hybridnet, we attempt to break the boundary between the two, allowing users to use both underlay and overlay container networks on demand. Hybridnet allows users to create two types of networks in the cluster and ensures that overlay pods can directly communicate with underlay pods without NATed, while also maintaining high-performance communication between underlay pods and the visibility to underlying host network. In addition to the hybrid-lay feature, hybridnet also supports a unified management API (through CRD), advanced IPAM capabilities such as IP retain & topology-aware allocation, multiple network modes (VxLAN, VLAN, BGP), dual-stack, and good compatibility with community ecosystem components. In this talk, we will demo the details of these features to help more people understand the current capabilities of hybridnet.

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