Re: [rtcweb] RTCWEB Data Channel: Usage of PPID for protocol multiplexing

Michael Tuexen <Michael.Tuexen@lurchi.franken.de> Thu, 06 February 2014 08:45 UTC

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From: Michael Tuexen <Michael.Tuexen@lurchi.franken.de>
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Date: Thu, 06 Feb 2014 09:45:51 +0100
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To: Christer Holmberg <christer.holmberg@ericsson.com>
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Subject: Re: [rtcweb] RTCWEB Data Channel: Usage of PPID for protocol multiplexing
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On Feb 6, 2014, at 9:36 AM, Christer Holmberg <christer.holmberg@ericsson.com> wrote:

> Hi,
> 
>>>> As discussed in the last IETF meeting, this PPID based fragmentation and reassembly will be removed from the ID.
>>> 
>>> I assume the associated PPID values will also be un-registered with IANA?
>> I guess they will stay... They are supported by Firefox and PPIDs are a pretty cheap resource. They are from a pool of 32-bit entities. That is why we registered the values before the RFCs get published.
> 
> So, does that mean my WebRTC entity has to support them, in case the remote peer is on Firefox?
I don't think so. Not sure what the plan for Firefox is, but I expect Firefox to change the
code as soon as the final solution is specified.
> 
> Also, if they are removed from the data channel draft, what reference will be used in the IANA table?
I think it will stay. For PPIDs you even don't have to have an RFC. You can even register PPIDs
as a person.
> 
> Regards,
> 
> Christer
> 
>