We cannot define it now for MUST be zero.  RSVPv6 uses its.

But because it is random I don't agree means that specific bits can't be
identified later if we need to.

When the flow is encoded at such a point in time specific values will
cause an error to the init app creating it (as I am a supporter of "b").



/jim


On Fri, 17 Aug 2001, Bill Sommerfeld wrote:

> > I would like to suggest another choice:
> > 
> >      e) a set of bits we hold in reserve for the future
> > 
> > I don't think that we have enough experience to pick between a), b), or c) 
> > now, and think that something might come up in the future where 28 bits in 
> > the IPv6 header might be very useful.  This might not have anything to do 
> > with QOS.
> 
> Currently the field is defined as "must be random"; if we want to
> preserve the ability to recycle it for something else in the future,
> we need to redefine it *NOW* as a "must be zero".
> 
>                                       - Bill
> 
> 
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