Traffic examples for the SMB3 Offload Data Transfer (ODX) presentation.

1. SMB3 Offload Data Transfer (ODX)
Network traffic examples
Companion to the presentation from
the Storage Developer Conference
by Gordon Ross, Sep. 2016

2. Open src (call 16)

3. Open src (reply 17)

4. Open dst (call 39)

5. Open dst (reply 40)

6. Read src (call 45)

7. Read src (reply 46)

8. Write dst (call 48)

9. Write dst (reply 50)
Note that the write reply shows a transfer length
LESS than the CopyLength from the request.
That’s because the server doesn’t want to do
that much copying in a single ODX write.

10. Write dst (call 51)
Additional writes to “consume” the
remainder of the current token we
got from ODX read.

11. Write dst (reply 52)
Again, server elected to copy
less than the requested size.
Client issues more writes until the
current ODX read token is consumed.

12. Write dst (many)