[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Service provider story about tracking down TCP RSTs

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 donâ??t sync state between POPs the second POP would
> naturally issue a TCP RST (sidebar: fascinating blog article on Fastlyâ??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

Bill Herrin

William Herrin ................ herrin at dirtside.com  bill at herrin.us
Dirtside Systems ......... Web: <http://www.dirtside.com/>