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Versioned Interfaces

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NDIS 6.0 supports versioning for key structures. Also, many former function parameters are moved to structures. Moving the function parameters to versioned structures allows the function parameters to be changed in later NDIS versions without changing the function interface.

Versioned structures contain a header that specifies the version of the structure. If the set of function parameters or other structure members are changed, the structure and its version are updated.

This versioning simplifies backward compatibility and extends the life of NDIS 6.0 and later drivers. Also, NDIS drivers can support more than one version of NDIS.

For more information, see NDIS_OBJECT_HEADER.