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Re: [Cbor] Review draft-bormann-cbor-packed-00

Jim Schaad <ietf@augustcellars.com> Thu, 16 July 2020 12:44 UTC

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From: Jim Schaad <ietf@augustcellars.com>
To: 'Carsten Bormann' <cabo@tzi.org>
CC: cbor@ietf.org, draft-bormann-cbor-packed@ietf.org
References: <00f701d65adb$1c49e1f0$54dda5d0$@augustcellars.com> <04545D98-A936-4DD0-8446-3634E6C12667@tzi.org>
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Date: Thu, 16 Jul 2020 05:44:06 -0700
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Subject: Re: [Cbor] Review draft-bormann-cbor-packed-00
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> -----Original Message-----
> From: CBOR <cbor-bounces@ietf.org> On Behalf Of Carsten Bormann
> Sent: Wednesday, July 15, 2020 12:43 PM
> To: Jim Schaad <ietf@augustcellars.com>
> Cc: cbor@ietf.org; draft-bormann-cbor-packed@ietf.org
> Subject: Re: [Cbor] Review draft-bormann-cbor-packed-00
> 
> Hi Jim,
> 
> Thanks for this lightning feedback.  Let me try to answer as quickly...
> 
> > On 2020-07-15, at 21:06, Jim Schaad <ietf@augustcellars.com> wrote:
> >
> > Carsten,
> >
> > I am finding this document really hard to follow.
> 
> Yes.  It contains the specification, but not yet any tutorial material.
> Way too few examples.
> 
> > I am sure that we can get
> > it to read much better in the future.
> 
> 
> > 5. Is there a reason not to switch to using '^' for exponentiation?
> > This is the more mathematical one symbol.
> 
> Yes. ^ is XOR in C.
> In math, we do that differently.
> Like 2⁶⁴ :-)  But the RFC editor won’t let me do that, I’m sure...

Just the one item.  2<sup>64</sup> is what you are looking for.
> 
> 
> Grüße, Carsten
> 
> (*) Bright young grad students
> 
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