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Re: [Json] [IANA #1147224] Request for Assignment (websocket)

Martin J. Dürst <duerst@it.aoyama.ac.jp> Thu, 26 September 2019 05:05 UTC

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From: "Martin J. Dürst" <duerst@it.aoyama.ac.jp>
To: Mark Nottingham <mnot@mnot.net>, "Matthew A. Miller" <linuxwolf+ietf@outer-planes.net>
CC: "iana-prot-param-comment@iana.org" <iana-prot-param-comment@iana.org>, "json@ietf.org" <json@ietf.org>
Thread-Topic: [Json] [IANA #1147224] Request for Assignment (websocket)
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Date: Thu, 26 Sep 2019 05:05:24 +0000
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References: <RT-Ticket-1147224@icann.org> <7888644A-1F38-413E-81F8-B43A58BE3972@iana.org> <69996e23-6d23-8ed2-482a-de79ff348b66@gmx.de> <rt-4.4.3-6257-1568696553-1328.1147224-9-0@icann.org> <rt-4.4.3-18233-1569454234-1725.1147224-9-0@icann.org> <3530055a-b7db-1a16-24bd-060b31144136@outer-planes.net> <0AFF8A0C-DB07-406B-B87D-28C8FA756819@mnot.net>
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Subject: Re: [Json] [IANA #1147224] Request for Assignment (websocket)
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On 2019/09/26 09:06, Mark Nottingham wrote:
> +1
> 
>> On 26 Sep 2019, at 9:59 am, Matthew A. Miller <linuxwolf+ietf@outer-planes.net> wrote:
>>
>> In my opinion, a generic "json" WebSocket subprotocol does not make
>> sense.

Fully agreed.

>> JSON is too generic a content format for a client and server to
>> adequately understand what the WebSocket session would be used for.

Yes indeed. Same for CBOR.

>> If there were a specification that made it clearer what the intent is,
>> my opinion might change.

Yes. As a very short summary, it would have to say what kinds of JSON 
data the server sends, what kind of JSON data the client sends, in what 
order, and what the meaning of each of these messages is.

Silly example: The IANA protocol registry access WebSocket subprotocol:

Client sends ... (details to be worked out), indicating the IANA 
protocol registry data that is requested.

Server sends: ... (details to be worked out), actual protocol registry data.

Of course this example doesn't make much sense, as a very similar thing 
can be done much more easily over HTTP(S) directly.

Regards,   Martin.


>>
>> - m&m
>>
>> Matthew A. Miller
>> On 19/09/25 17:30, Amanda Baber via RT wrote:
>>> Hi Julian, all,
>>>
>>> We received a suggestion from the ADs that we specifically ask about the utility of websocket subprotocol IDs for JSON (and CBOR, the subject of the other request we received). Are there issues there?
>>>
>>> thanks,
>>>
>>> Amanda Baber
>>> Lead IANA Services Specialist

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