This section introduces Network Driver Interface Specification (NDIS) 6.20 and describes its major design additions. NDIS 6.20 is included in the Windows 7 operating system.

You should be familiar with NDIS 6.0 and NDIS 6.1 before learning about NDIS 6.20. For more information about NDIS 6.0, see Introduction to NDIS 6.0. For More information about NDIS 6.1, see Introduction to NDIS 6.1.

For a description of the differences between NDIS 6.20 and earlier versions, and for detailed information about porting drivers to NDIS 6.20, see Porting NDIS 6.x Drivers to NDIS 6.20.

This section includes the following topics: