Service provider story about tracking down TCP RSTs
William Herrin
bill at herrin.us
Sat Sep 1 20:00:36 UTC 2018
On Sat, Sep 1, 2018 at 2:51 PM, <frnkblk at iname.com> wrote:
> pointing out that a
> single traceroute to a Fastly site was hitting two of their POPs (they use
> anycast) and because they don’t sync state between POPs the second POP would
> naturally issue a TCP RST (sidebar: fascinating blog article on Fastly’s
> infrastructure here:
> https://www.fastly.com/blog/building-and-scaling-fastly-network-part-2-balancing-requests).
Oh for Pete's sake. If they're going to attempt Anycast TCP with a
unicast protocol stack they should at least have the sense to suppress
the RSTs.
Better yet, do the job right and build an anycast TCP stack as
described here: https://bill.herrin.us/network/anycasttcp.html
Regards,
Bill Herrin
--
William Herrin ................ herrin at dirtside.com bill at herrin.us
Dirtside Systems ......... Web: <http://www.dirtside.com/>
More information about the NANOG
mailing list