Messages in this thread | | | Date | Mon, 29 Aug 2022 17:21:11 -0700 | From | Jakub Kicinski <> | Subject | Re: [PATCH RFC v2 net-next 0/5] net: Qdisc backpressure infrastructure |
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On Mon, 29 Aug 2022 09:53:17 -0700 Cong Wang wrote: > > Similarly to Eric's comments on v1 I'm not seeing the clear motivation > > here. Modern high speed UDP users will have a CC in user space, back > > off and set transmission time on the packets. Could you describe your > > _actual_ use case / application in more detail? > > Not everyone implements QUIC or CC, it is really hard to implement CC > from scratch. This backpressure mechnism is much simpler than CC (TCP or > QUIC), as clearly it does not deal with any remote congestions. > > And, although this patchset only implements UDP backpressure, it can be > applied to any other protocol easily, it is protocol-independent.
No disagreement on any of your points. But I don't feel like you answered my question about the details of the use case.
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