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SUMMARY:Even Faster VM Networking with Virtual Passthrough - Giuseppe Lett
 ieri (University of Pisa) 
DTSTART:20160114T150000Z
DTEND:20160114T160000Z
UID:TALK62841@talks.cam.ac.uk
CONTACT:Eiko Yoneki
DESCRIPTION:In past years\, we have shown how to achieve very high network
 ing speeds in bare metal and VMs using the netmap framework: embarrassingl
 y high packet rates on bare metal\, comfortably good on VMs through conven
 tional device emulation techniques. \nIn this talk we show how to fill the
  speed gap between HW and VMs with a non conventional use of netmap\, name
 ly virtual passthrough. In this mode of operation\, the guest VM uses dire
 ctly the host's netmap port (thus saving extra data copies)\, while notifi
 cations are dispatched efficiently between guest and host.\nThanks to this
  technique we can achieve communication speeds between untrusted guests in
  the order of 20 Mpps\, and reach 50 Mpps between trusted guests across ne
 tmap pipes.\n\nBio:\nGiuseppe Lettieri is a researcher and lecturer at the
  Dipartimento di Ingegneria dell'Informazione. He received his Ph.D. from 
 the University of Pisa in 2002. Most of his research has focused on the th
 eoretical topic of Abstract Interpretation. In the past few years he has c
 ontributed to the development and maintenance of the netmap framework for 
 fast packet I/O\, including the introduction of netmap pipes\, a very fast
  IPC mechanism based on the netmap API\, and the design of ptnetmap\, a ve
 ry fast virtual passthrough for virtual machines.
LOCATION:FW26\, Computer Laboratory\, William Gates Building
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