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Methods and apparatus for use in network overlay fabrics to facilitate external network connectivity including access to extranet shared services
Methods and apparatus for use in network overlay fabrics to facilitate external network connectivity including access to extranet shared services
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机译:用于网络覆盖结构中以促进外部网络连接(包括访问Extranet共享服务)的方法和设备
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摘要
In one example, a router is configured to process communications according to a tunneling protocol to provide network overlay tunnels to facilitate virtual private networks (VPNs) for hosts, and to process communications associated with an external network with use of a provider virtualization routing and forwarding (VRF) instance. With use of a subscription function, the router receives an initial set of extranet VPN prefixes associated with the network overlays for storage in association with the provider VRF, as well as regularly receive publications of updates to extranet VPN prefixes associated with the network overlays. With use of a route obtaining function, the router, in response to receiving a communication associated with one of the stored extranet VPN prefixes at the provider VRF, sends to a communications management server a message indicating request for a host-to-router mapping and receive from the communications management server a reply including the host-to-router mapping.
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