Dear QUIC WG,
In the light of the various proposals enabling QUIC to simultaneously
use several paths, we proposed a design [1] enabling hosts to use
network paths in a unidirectional way. As a nutshell example, a
connection could use a given network using IP A to send all its packets,
while receiving all the peer's packets on another network with IP B.
We recently published a paper in IEEE Communications Magazine [2]
exploring the benefits of such design in the case of network paths
showing different characteristics between uplink and downlink
directions. For instance, a sender could use a high-bandwidth, high
latency path to send data while the receiver could transmit ACK frames
on a lower bandwidth, low latency one.
A preprint of this paper is freely available [3]. Note that for the
paper purposes, we named our proposal "Multiflow QUIC", but it still
implements the design presented in our draft [1].
Best,
Quentin
[1] https://datatracker.ietf.org/doc/draft-deconinck-quic-multipath/
[2] https://ieeexplore.ieee.org/abstract/document/9446709/
[3]
https://dial.uclouvain.be/pr/boreal/object/boreal%3A243486/datastream/PDF_02/view
