On Oct 29, 2009, at 12:44 AM, Brandon Galbraith wrote:
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.
Depends upon the type of apps, amount of required concurrency, etc. It's easy on the front-end (which is where most of the drama tends to take place, anyways); it's the middle and back-end tiers which require some work, but it certainly can be and is accomplished daily, for both simple and more complex systems. The smart money makes use of various existing *aaS platforms to accomplish this without having to re-invent the wheel every time. ----------------------------------------------------------------------- Roland Dobbins <rdobbins@arbor.net> // <http://www.arbornetworks.com> Sorry, sometimes I mistake your existential crises for technical insights. -- xkcd #625