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Re: UDP, checksum, ports (was: Re: Should the specifications hard-refer to UDP?)

Behcet Sarikaya <sarikaya2012@gmail.com> Fri, 04 September 2020 16:07 UTC

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Reply-To: sarikaya@ieee.org
From: Behcet Sarikaya <sarikaya2012@gmail.com>
Date: Fri, 04 Sep 2020 11:07:31 -0500
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Subject: Re: UDP, checksum, ports (was: Re: Should the specifications hard-refer to UDP?)
To: Lars Eggert <lars@eggert.org>
Cc: "quic@ietf.org" <quic@ietf.org>
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On Fri, Sep 4, 2020 at 10:56 AM Lars Eggert <lars@eggert.org> wrote:

> Hi,
>
> On 2020-9-4, at 18:36, Behcet Sarikaya <sarikaya2012@gmail.com> wrote:
> > QUIC draft mentions UDP in many places, it says QUIC is UDP-based but in
> the draft RFC 768 is not listed as a reference informative/normative.
>
> I opened https://github.com/quicwg/base-drafts/pull/4073 to fix that -
> thank you for noticing.
>
> > Second, probably more importantly, UDP header has the fields
> source/destination port and checksum. These are not mentioned in the draft.
> > I wonder why?
>
> What would you expect the drafts to say about checksums and ports?
>
>
Yes, I realize that the draft mentions ports.
What I think should be mentioned is if these header fields are required
then what are the requirements on implementations, or just refer to RFC 768?

Behcet

> Thanks,
> Lars
>

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