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Re: My personal input to the WebRTC-NV discussions

From: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
Date: Tue, 7 Nov 2017 22:53:42 +0000
Message-ID: <CAHp8n2m3O=-tegzJKj7k0Cu3AXm6pEjGNAhYLrNg7WT-xKoubw@mail.gmail.com>
To: Lennart Grahl <lennart.grahl@gmail.com>
Cc: Harald Alvestrand <harald@alvestrand.no>, public-webrtc <public-webrtc@w3.org>
FWIW: I think that's a great idea!

On Tue, Nov 7, 2017 at 10:37 PM, Lennart Grahl <lennart.grahl@gmail.com> wrote:
> Hey everyone, I would like to add a wish for WebRTC-NV:
> As you may have heard, we have added the possibility to send large data
> channel messages to Firefox and handle them correctly when receiving
> (obeying SCTP's EOR flag to not violate message integrity).
> But the key issue hasn't been addressed which is that the data channel
> API is too high level for sending large messages. We need a way to (at
> least optionally) send and receive data channel messages in chunks, so
> large messages can be exchanged without creating enormous backpressure
> for both peers. The current API forces every application that wants to
> transfer large amounts of data into rolling their own
> fragmentation/reassembly implementation. That is annoying and entirely
> unnecessary as this is done on top of a transport protocol that is
> already able to do fragmentation/reassembly easily and probably more
> efficiently-
> Currently, the RTCQuicStream API is being developed for the ORTC spec
> (https://github.com/w3c/ortc/pull/785) with buffering aspects in mind.
> Maybe we can take a few ideas regarding the buffering aspect of the API
> from there (even though this is a byte stream and data channels exchange
> datagrams). I already have a few ideas regarding the API to send/receive
> in chunks, so feel free to ping me.
> Cheers
> Lennart
> On 07.11.2017 08:24, Harald Alvestrand wrote:
>> I've tried to put together my thinking about what I think we should try
>> to achieve with WebRTC-NV.
>> Chiefly, I've tried to look for the principles: What we should keep on
>> doing, what we should make it possible to live without, and what we
>> should extend further.
>> I've enclosed it in PDF. It looked prettier that way. Comments can also
>> be made here:
>> https://docs.google.com/document/d/1pU4YR0hbH2IhE-s8_CggRdADps_9rambnfsOz3VH_ew/edit?usp=sharing
>> Harald
Received on Tuesday, 7 November 2017 22:54:33 UTC

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