On 4/1/2015 8:03 PM, Murray S. Kucherawy wrote:
> 
>     In the latter case, it's really an entirely new protocol, which should
>     be identified by the next-lower protocol, rather than by using the
>     version field as an in-bred demultiplexing field.
...
> I can't get my head around the "entirely new" part of that assertion though.


Absolutely trivial idea:

     If two networking implementations are properly conforming to mature
and debugged specifications, but the implementations cannot
interoperate, then the specifications are for different protocols.

d/
-- 
Dave Crocker
Brandenburg InternetWorking
bbiw.net

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