Gabe Silva, Microsoft, presents a new networking approach for Windows called PacketDirect. It meets the new network challenges and significantly improves performance.

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Inflection point

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13. NDIS Miniport DriverNDIS Protocol DriversPD NICKernel-modePD ClientNDIS Miniport interface w/ PDPI extensionKernel-modeUser-modePD privileged requestsNDIS/PD control path (PnP/Power) NDIS Miniport DriverNDIS Miniport DriverExisting NDIS data/ control pathNDIS.sysNDIS LWFNDIS LWFPD platform private interface (IOCTLs) Kernel-mode PD data pathNew or modified component not covered by this specNew or modified component covered by this spec3rd party componentExisting unmodified componentPD NICPD NIC

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18. Miniport Drivers
Application
vSwitch
PacketDirect Provider 2
PacketDirect Provider 1
Host
Internet
Data Center
Net Adapter 1
Net Adapter 2
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PacketDirect Client
Site to Site GW
NDIS Data Path

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