Hi, On 2020-10-15, at 19:17, Cyrill Krähenbühl <[email protected]> wrote: > In this context, we see two topics of potential interest. First, multipath > scheduling, which has a large impact on the performance of a multipath > transport protocol, becomes challenging since we might not be able to > continuously probe 10+ (or even 100+) paths to infer which paths to send > traffic on. > > Second, the SCION architecture can offer additional information for paths, > for instance AS-level information, lower bound on end-to-end path latency, > expected bandwidth, etc. An interesting challenge is how to expose this path > information to applications or transport protocols, so that path optimization > is possible for instance for different QUIC streams. ... > If the working group is interested and this use case has not already been > discussed in the group, I would be happy to give a short introduction in the > interim meeting.
thanks for the offer! There are all kinds of interesting research questions related to multipath in general and for QUIC in particular, including the ones you outline above. The reason we're scheduling the interim is to help us decide if the QUIC working group should start any standards activity in the multipath space, and more concretely, what the desired (= currently missing) functionality is that will need standardization. A key focus of interest are the large deployments of IETF QUIC that are currently being planned or are already underway. I'm not sure to what degree a presentation on research challenges would inform that decision? Thanks, Lars
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