From: <[email protected]> on behalf of Durai Velan Chockalingam <[email protected]> Date: Sunday, August 20, 2017 at 12:12 PM To: "[email protected]" <[email protected]> Subject: [ovs-discuss] Reg: Ovs-Dpdk Forwarding Plane.
Hello All, Am trying to look for very comprehensive information on How Packet are Handled in Dataplane, for the following communication 1) VM-2-VM in Same compute host ( and both of them are vhostdpdkuser ) I understand that vhostdpdkuser, is nothing but a Unix Socket open, by Ovs-Dpdk and VM are Client. However, I could not undertstand how forwarding of packets are happening between the VM via Socket ?? Does OVS Maintains any Forwarding Information bases for DPDK Vhostuser and if so what is tool to interact without those fibs ?? >>>>>> At the forwarding layer, it a logical dp port (and at openflow layer, it is a of port), similar to other ports. When the packets are received from a port and sent to a port, there is a difference, which is embodied in the netdev layer (in this case, netdev-dpdk), which has vhost specific support, in addition to dpdk managed physical device support. See the below links as well. http://docs.openvswitch.org/en/latest/howto/dpdk/ http://docs.openvswitch.org/en/latest/topics/dpdk/vhost-user/ <<<<<<< 2) VM (Compute Host Network / or VLAN Say 10.0.0.1)-2-PHY--- L2 DEVICE ----2-VM (Another Compute Host, Same Network / or VLAN Say 10.0.0.2 ) Similary, how does Packet flow in this Scenario, and what kind of configuration should be make in L2 Device >>>>>>>>> check the above links as well. <<<<<<<<< Any References, or Documentation explaining this would be also appreciated. Thanks and Regards Durai Velan.
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