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Re: [quicwg/base-drafts] Time based loss recommendation not sensitive to paths with high RTT variability (#2207)

MikkelFJ <notifications@github.com> Wed, 19 December 2018 09:42 UTC

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Date: Wed, 19 Dec 2018 09:42:40 +0000
From: MikkelFJ <notifications@github.com>
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Subject: Re: [quicwg/base-drafts] Time based loss recommendation not sensitive to paths with high RTT variability (#2207)
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And here are ping times from Denmark to a New Jersey datacenter. This is a direct submarine cable and a few hundred km over land.

Here the variation is much lower, and fits the 9/8 recommendations.

ping -c10 23.226.128.10
PING 23.226.128.10 (23.226.128.10): 56 data bytes
64 bytes from 23.226.128.10: icmp_seq=0 ttl=53 time=100.651 ms
64 bytes from 23.226.128.10: icmp_seq=1 ttl=53 time=102.843 ms
64 bytes from 23.226.128.10: icmp_seq=2 ttl=53 time=102.355 ms
64 bytes from 23.226.128.10: icmp_seq=3 ttl=53 time=104.239 ms
64 bytes from 23.226.128.10: icmp_seq=4 ttl=53 time=104.736 ms
64 bytes from 23.226.128.10: icmp_seq=5 ttl=53 time=102.465 ms
64 bytes from 23.226.128.10: icmp_seq=6 ttl=53 time=103.996 ms
64 bytes from 23.226.128.10: icmp_seq=7 ttl=53 time=102.295 ms
64 bytes from 23.226.128.10: icmp_seq=8 ttl=53 time=101.644 ms
64 bytes from 23.226.128.10: icmp_seq=9 ttl=53 time=102.435 ms

--- 23.226.128.10 ping statistics ---
10 packets transmitted, 10 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 100.651/102.766/104.736/1.179 ms

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