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Re: RST_STREAM for send-only stream

Martin Duke <martin.h.duke@gmail.com> Tue, 09 January 2018 20:39 UTC

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From: Martin Duke <martin.h.duke@gmail.com>
Date: Tue, 09 Jan 2018 12:39:43 -0800
Message-ID: <CAM4esxRwPDxTTWpoUyJ=qthkE0syDswFGBfJcONgSwWVZyjArg@mail.gmail.com>
Subject: Re: RST_STREAM for send-only stream
To: Mikkel Fahnøe Jørgensen <mikkelfj@gmail.com>
Cc: Mike Bishop <mbishop@evequefou.be>, Ian Swett <ianswett@google.com>, IETF QUIC WG <quic@ietf.org>
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issue opened:
https://github.com/quicwg/base-drafts/issues/1047

On Tue, Jan 9, 2018 at 11:46 AM, Mikkel Fahnøe Jørgensen <mikkelfj@gmail.com
> wrote:

> Fatal error, otherwise uni-directional streams starts to have to
> understand and behave and like bi-directional streams.
>
> On 9 January 2018 at 20.11.40, Ian Swett (ianswett@google.com) wrote:
>
> 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?
>>
>
>

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