Thumbs up on this one; my entire path and chain of management of that path need to be equally fault tolerant - Awesome.
On Thu, Sep 12, 2013 at 2:40 PM, Glen Wiley <glen.wi...@gmail.com> wrote: > Remember though that anycast only solves for availability in one layer of > the system and it is not difficult to create a less available anycast > presence if you do silly things with the way you manage your routes. A > system is only as available as the least available layer in that system > > For example, if you use an automated system that changes your route > advertisements and that system encounters a defect that breaks your > announcements then although a well built anycast footprint might acheive > 99.999, a poorly implemented management system that is less available and > creates an outage would reduce the number. > > > On Thu, Sep 12, 2013 at 4:25 PM, Phil Fagan <philfa...@gmail.com> wrote: > > > Its a good point about the anycast; 99.999% should be expected. > > > > > > On Thu, Sep 12, 2013 at 2:14 PM, Beavis <pfu...@gmail.com> wrote: > > > > > I go with 99.999% given that you have a good number of DNS Servers > > > (anycasted). > > > > > > > > > On Thu, Sep 12, 2013 at 9:03 PM, Phil Fagan <philfa...@gmail.com> > wrote: > > > > > >> Everything else remaining equal...is there a standard or expectation > for > > >> DNS reliability? > > >> > > >> 98% > > >> 99% > > >> 99.5% > > >> 99.9% > > >> 99.99% > > >> 99.999% > > >> > > >> Measured in queries completed vs. queries lost. > > >> > > >> Whats the consensus? > > >> > > >> > > >> -- > > >> Phil Fagan > > >> Denver, CO > > >> 970-480-7618 > > >> > > > > > > > > > > > > -- > > > () ascii ribbon campaign - against html e-mail > > > /\ www.asciiribbon.org - against proprietary attachments > > > > > > Disclaimer: > > > http://goldmark.org/jeff/stupid-disclaimers/ > > > > > > > > > > > -- > > Phil Fagan > > Denver, CO > > 970-480-7618 > > > > > > -- > Glen Wiley > KK4SFV > > "A designer knows he has achieved perfection not when there is nothing left > to add, but when there is nothing left to take away." - Antoine de > Saint-Exupery > -- Phil Fagan Denver, CO 970-480-7618