Re: Add deadline awareness to QUIC

[Behcet Sarikaya <[e-mail]>]

On Mon, Nov 14, 2022 at 1:05 PM Christian Huitema <[e-mail]>
wrote:

> Hello Chuan Ma,
>
> Your draft aligns very much with some of the options investigated for
> "media over QUIC". Have you considered participating in that working group?
>
>
I agree, this looks very much like media transmission material.

Behcet

> -- Christian Huitema
>
> On 11/14/2022 10:20 AM, Chuan Ma wrote:
> > Dear all:
> >
> > I'm Chuan Ma from Tsinghua University. I want to discuss the deadline
> > awareness of the current application and whether we should add it to the
> > QUIC protocol.
> >
> > Applications may have specific deadline requirements for data
> transmission.
> > For instance, a video conference application may require sending the data
> > with a deadline of 200ms to enable live interaction. The application may
> > drop the data that misses the deadline, even if the data has already
> > reached the other end. In this case, it is possible to drop the data
> after
> > the given deadline from the sender to save bandwidth and decrease queuing
> > time. Deadline requirement is also helpful to offer deadline-aware
> > scheduling combined with QUIC stream priority. Such scheduling methods
> can
> > increase the punctuality of QUIC and allow more data to arrive on time.
> It
> > is possible to extend QUIC and offer deadline-aware transport as a
> service.
> >
> > Nowadays, deadline-aware data transmission is getting more and more
> > popular. Applications that emphasize real-time interaction, such as
> VR/AR,
> > gaming, and video conference, are drawing more and more attention. So
> > deadline-aware transport has a lot of use cases. However, currently, it
> is
> > the application that is responsible for realizing deadline-aware
> transport.
> > This transport service should be offered by the transport protocol but
> not
> > be left to the application. It is reasonable to provide such transport
> > service in a new transport protocol, and QUIC is a good base.
> >
> > We wrote a draft to show this idea in
> > https://datatracker.ietf.org/doc/draft-shi-quic-dtp/ and implemented a
> > protocol based on QUIC called DTP (Deadline-aware Transport Protocol) in
> > https://github.com/STAR-Tsinghua/DTP.git. We also built a live stream
> > prototype application to compare the performance between DTP and QUIC (
> > https://github.com/STAR-Tsinghua/LiveEvaluationSystem.git). We found
> that
> > DTP outperformed QUIC in improving data transmission punctuality and
> saving
> > bandwidth resources. We published the paper in ICNP22 and built several
> > systems like proxy and tunnel based on DTP. It would be a good idea to
> give
> > this method a try.
> >
> > We'd like to know what you think about this topic. Please let us know if
> > you have any comments.
> >
> > Best regards.
> >
> > Chuan Ma
> >
>
>