Note: Any given swarm can have multiple manager nodes, but it must always have at least one .
Note: In this case, the two Docker services happen to be connected by separate/isolated overlay networks. It is also possible, however, for multiple container services to be attached to the same overlay network.
On Windows, the Azure Virtual Filtering Platform (VFP) is a software defined networking (SDN) element, installed as a programmable Hyper-V Virtual Switch forwarding extension. It is a shared component with the Azure platform, and was added to Windows 10 with Windows 10 Anniversary Edition. It is designed as a high performance, rule-flow based engine, to specify per-endpoint rules for forwarding, transforming, or blocking network traffic. The VFP extension has been used for implementing the l2bridge and l2tunnel Windows container networking modes and is now also used to implement the overlay networking mode. As we continue to expand container networking capabilities on Windows, we plan to further leverage the VFP extension to enable more fine-grained policy.
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