On 03/12/2017 13:57, Juliusz Chroboczek wrote: > A TCP Ack is 40 bytes. A data packet is up to 1500 bytes. > > As far as I know, DOCSIS has an asymmetry factor that is between 4 and 10, > depending on the deployment. With worst case asymmetry being 10, this > means that you can send an Ack for every data packet with 400 byte data > packets, every second data packet with 200 byte data packets. If the > asymmetry is a more reasonable 4, then the figures are 100 and 50 > respectively. >
I currently have 230 Mb/s down to 12.7 Mb/s up, so about an 18:1 ratio. That's roughly an ACK for every 750 byte packet. -- Robert Bradley
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