>>Layer-3-independence and active/active/etc. is where it's at in terms of high availability in the 21st Century. GSLB, et. al.
Somewhere on video.google.com is a Google I/O talk explaining the hell that is active/active redundancy and how hard it is to achieve at layers 4-7. I don't argue that it's the proper method for Layer 3 though. -brandon On Wed, Oct 28, 2009 at 12:38 PM, Roland Dobbins <rdobb...@arbor.net> wrote: > > On Oct 28, 2009, at 8:26 PM, Stefan Fouant wrote: > > I'm wondering what are the growing trends in connecting Data Centers for >> redundancy in DR/COOP environments. >> > > 'DR' is an obsolete 40-year-old mainframe concept; it never works, as > funding/testing/scaling of the 'backup' systems is never adequate and/or > allowed. > > Layer-2 between sites is evil, as well. > > Layer-3-independence and active/active/etc. is where it's at in terms of > high availability in the 21st Century. GSLB, et. al. > > ----------------------------------------------------------------------- > Roland Dobbins <rdobb...@arbor.net> // <http://www.arbornetworks.com> > > Sorry, sometimes I mistake your existential crises for technical > insights. > > -- xkcd #625 > > > -- Brandon Galbraith Mobile: 630.400.6992 FNAL: 630.840.2141
