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Sure, it does _now_.
by the government of a famous athlete
I'm sure you had a joke in there that you were dying to get out, but this makes less than no sense.
+1 good post, would mod again.
if android really takes off (and it seems to be starting that roll around now, given the number of devices coming out), that may change, as the dev environment is java based and so can be run on top of just about anything that can handle a java VM.
Which still makes a Mac a better platform for a developer who wants to write code on multiple platforms. JavaVM? great. OS X / OS X mobile? done. Windows
How do browsers behave when 1 of the server goes down?
Half the DNS lookups will still point at the failed server. Since most browsers cache the dns lookup, they will not re-request the IP address, and will just assume the site is down.
If you rely on DNS round-robin records, you need to either ensure that they are always up (i.e. each one is an HA cluster) or that you can remove them quickly enough to cause your users as little pain as possible. (TTL should probably be 1 minute, and you'll want an automated method of removing the bad entry from the zone file)
Specifically, if I do this dig:
dig @a0.org.afilias-nst.info isc.org
it's supposed to return the authoritative name servers for isc.org, but it frequently doesn't for the machines on my network. I've tried it from an Amazon EC2 instance and don't see any problems from there, but I can't figure out why there would be a difference based on where I perform the query from.
What should I be looking at next? If it is indeed an issue with that particular server, how would I report it?"