CONTENT DELIVERY WITH RELIABLE MULTICAST USING A REDUNDANT UNICAST OVERLAY NETWORK

    公开(公告)号:US20210091968A1

    公开(公告)日:2021-03-25

    申请号:US16579234

    申请日:2019-09-23

    Abstract: In one example, a system comprises a plurality of non-last-hop routers (non-LHRs) of a network, the non-LHRs configured with a multicast distribution tree for a multicast group to transport first multicast packets of a multicast flow toward one or more LHRs, wherein a router of the non-LHR routers is configured to receive unicast packets for an application session associated with the multicast group, encapsulate the unicast packets in a multicast header to generate the first multicast packets for distribution using the multicast distribution tree, and output the first multicast packets; and the one or more LHRs, wherein the one or more LHRs are interested receivers of the multicast group, and wherein the one or more LHRs are configured to receive the first multicast packets of the multicast flow, extract the unicast packets for the application session, and send the unicast packets to one or more clients of the application session.

    Offloading heartbeat responses message processing to a kernel of a network device

    公开(公告)号:US10397085B1

    公开(公告)日:2019-08-27

    申请号:US15198756

    申请日:2016-06-30

    Abstract: In an example of this disclosure, a method may include receiving, by a first network device, a plurality of heartbeat response messages from one or more network devices of a plurality of network devices. Each heartbeat response message of the plurality of heartbeat response messages may respectively correspond to one network device of the plurality of network devices. The method may include processing, by the first network device, the plurality of heartbeat response messages in a kernel space of the first network device. The method may include updating, by the first network device in the kernel space, one or more values corresponding to a data structure based on processing the plurality of heartbeat response messages in the kernel space. The method may include processing, by the first network device, the one or more values in a user space of the first network device.

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