> On 26. Oct 2022, at 10:57, Tom Jones <t...@freebsd.org> wrote: > > On Sat, Oct 22, 2022 at 12:14:25PM +0200, Hans Petter Selasky wrote: >> Hi, >> >> Some thoughts about this topic. >> >> Delaying ACKs means loss of performance when using Gigabit TCP >> connections in data centers. There it is important to ACK the data as >> quick as possible, to avoid running out of TCP window space. Thinking >> about TCP connections at 30 GBit/s and above! >> >> I think the implementation should be exactly like it is. >> >> There is a software LRO in FreeBSD to coalesce the ACKs before they hit >> the network stack, so there are no real problems there. >> > > Changing the ACK ratio seems to be okay in most cases, a paper I wrote > about this was published this week: > > https://onlinelibrary.wiley.com/doi/10.1002/sat.1466 > > It focuses on QUIC, but congestion control dynamics don't change with > the protocol. You should be able to read there, but if not I'm happy to > send anyone a pdf. Is QUIC using an L=2 for ABC?
Best regards Michael > > - Tom
