Re: pingCtlDSField in remops

On Sat, Jul 09, 2005 at 05:59:28PM -0700, Randy Presuhn wrote:
 
> The added text makes it sound like this object is only about the DSCP,
> rather than the entire TOS octet.  I think this matters because the
> two bit positions that RFC 2474 and 3260 call "currently unused" that
> are in fact used by RFC 3168 for ECN.
> 
> With perfect foresight we should have made this into two objects, but
> we didn't.  I think the next best thing is to say that the six high bits go
> to the DSCP, and the two low bits go to the ECN field, which would be
> more consistent with this object's original definition in terms of the
> TOS octet, rather than just talking about DSCPs.
> 
> I suggest adding text and a reference to RFC 3168 for the two
> low-order bits.

Can you explain why it makes sense to set the ECN bits in this context?

/js

-- 
Juergen Schoenwaelder		    International University Bremen
<http://www.eecs.iu-bremen.de/>	    P.O. Box 750 561, 28725 Bremen, Germany