3 ms·
One congestion-control parameter which don't get it's fair share of articles is initcwnd. And for HTTP traffic over high bandwidth+latency links it has much lar
by skarap 9y ago
One congestion-control parameter which don't get it's fair share of articles is initcwnd. And for HTTP traffic over high bandwidth+latency links it has much larger impact than the choice of the cc algorithm.
See https://www.cdnplanet.com/blog/tune-tcp-initcwnd-for-optimum-performance/ https://www.cdnplanet.com/blog/tune-tcp-initcwnd-for-optimum...
- bogomipz 9y agoInitcwnd is set 10 in just about every distro and has been for some time now. Initcwnd only comes into play at the beginning of a new connection, it isn't as important for LFNs as TCP buffer sizes. But at any rate this post is concerned with edge networks so there shouldn't be any LFN network at all.
- SaveTheRbtz 9y agoI've mentioned it very briefly in a Network Stack part, around the "upgrade your kernel" warning: > and I’m not even talking about IW10 (which is so 2010)[1] [1] https://developers.google.com/speed/protocols/Increasing_TCPs_Initial_Window_IETF78.pdf https://developers.google.com/speed/protocols/Increasing_TCP...