> On May 27, 2020, at 11:05 PM, Dale R. Worley <[email protected]> wrote:
> 
> Chuck Lever <[email protected]> writes:
>> I'm not comfortable citing an NFSv4 document to define a term used in
>> a document that discusses a generic RPC transport. To me that feels an
>> awful lot like a layering violation.
> 
> If doing that would be a layering violation, then this passage is also a
> layering violation:
> 
>   To protect backchannel operations, an RPC server uses the
>   existing TLS session on that connection to send backchannel
>   operations.  The server does not attempt to establish a TLS session
>   on a TCP connection for backchannel operation.

Yes, it is a layering violation. That's why I proposed replacing the
use of the term "backchannel" with the more correct "reverse-direction
operation", in addition to adding a citation of RFC 8167.


--
Chuck Lever



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