Brian E Carpenter wrote:
> Like it or not, there *will* be scenarios
> where an ISP can't rely on the arriving DSCP value.
Which is my point in calling them random bits. You are
correct that by maintining a chain of integrity in the
interpretation, there is no real need for the bits to
be consistent. The reality is that the only way to
reconstruct a meaning through the inconsistent SLA
chain is to go back to the immutable bits.
I have no problem with a strongly worded BCP
that says all DSCP values should be reset to a set of
globally agreed values at exit. I understand that does
not force ISPs to abide, but at least it gives them
some clue what to do, and the market will sort out the
ones that comply from the ones that can't deliver the
expected level of service.
Tony
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