Re: RST_STREAM for send-only stream

Ian Swett <ianswett@google.com> Tue, 09 January 2018 19:11 UTC

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From: Ian Swett <ianswett@google.com>
Date: Tue, 9 Jan 2018 14:11:12 -0500
Message-ID: <CAKcm_gPBiR2QHeHVoMR-UGFaqictBXFsxZYJBdT0MZ8dAo1ygQ@mail.gmail.com>
Subject: Re: RST_STREAM for send-only stream
To: Mike Bishop <mbishop@evequefou.be>
Cc: Martin Duke <martin.h.duke@gmail.com>, IETF QUIC WG <quic@ietf.org>
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I would think it's a fatal error, but if we allow it, 0 would be the only
valid offset, correct?

Agreed, it should be documented.

On Tue, Jan 9, 2018 at 1:59 PM, Mike Bishop <mbishop@evequefou.be> wrote:

> I could reasonably see it going either way.  If you conceive of
> unidirectional streams as starting with one direction already closed,
> re-closing the closed side is a no-op.  If you conceive of the reverse
> direction simply not existing, then the frame is invalid.
>
>
>
> Either way, we should decide and write it down.  I have no strong
> preference.
>
>
>
> *From:* QUIC [mailto:quic-bounces@ietf.org] *On Behalf Of *Martin Duke
> *Sent:* Tuesday, January 9, 2018 8:59 AM
> *To:* IETF QUIC WG <quic@ietf.org>
> *Subject:* RST_STREAM for send-only stream
>
>
>
> Is it a fatal error if I receive a RST_STREAM for my send-only stream? Is
> it PROTOCOL_VIOLATION or STREAM_STATE_ERROR? connection-level or
> stream-level? or should I drop the packet? drop the frame?
>