[time-nuts] Cloudflare

Paul tic-toc at bodosom.net
Sat Jun 22 01:31:51 UTC 2019


On Fri, Jun 21, 2019 at 9:12 PM Hal Murray <hmurray at megapathdsl.net> wrote:
You should probably setup another web page with just the technical details.

What are you going to do about leap seconds?  Smear or not?

DNS for time.cloudflare.com gives 2 IPv4 addresses and 2 IPv6 addresses.
Are
they all equivalent in terms of routing?  Or would I maybe get (slightly)
better time if I picked the right one?

Your questions are answered in their blog post.
1) No smear.
2) Anycast.

I'm pretty sure the implication is they'll provide consistent secure time
to their coverage area not necessarily the best time.  Which see
"Roughtime".
The jitter numbers are quite good from my work to the NYC Equinix
colocation facility (13ms rtt).



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