SR-IOV and DPDK
SR-IOV and DPDK
Accelerating the NFV Data Plane : SR-IOV and DPDK… in my own words 를 읽고 요약
Before HW assisted Virtualisation SR-IOV 전까지는 VMM이 패킷 송수신에 매번 개입해야 했음.
1st interrupt from NIC to VMM 2nd interrupt from VMM to VM Intel VMDq Only one interrupt from NIC to VM as each VM has its own Rx queue.
SR-IOV SR-IOV : Standard IO memory Memory Management Unit from Intel(VT-d) and AMD(IOV) Virtual Function - Limited, lightweight, PCIe resource and a dedicated Tx/Rx packet queue Interrupt 부담이 없다고 하는데 왜?