US patent 5473599

Henning Brauer hb-nanog at
Tue Apr 22 15:14:25 UTC 2014

* Ryan Shea <ryanshea at> [2014-04-22 16:24]:
> along with OpenNTPd, OpenBGPd - which
> probably have similar standards non-compliance

I wrote both of them, they are as standards compliant as it gets.

we would have implemented vrrp if it hadn't been patent encumbered.

in the end, that was even good, since carp, opposed to vrrp, has
authentication and is address family independent.

Henning Brauer, hb at, henning at
BS Web Services GmbH, AG Hamburg HRB 128289,
Full-Service ISP - Secure Hosting, Mail and DNS Services
Dedicated Servers, Rootservers, Application Hosting

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