Geographically separated load balancers?

[Roberto Nibali]

>> How a client in Ireland gets sent to a server in England while someone 
>> on the east coast of USA gets a server in NewYork I don't know. The 
>> machine name is the same in both cases. Anyone know how this is handled?
>>
> You either use:
> 
> a) Server side re-direct
> b) DNS based geographic load balancing
> c) BGP
> d) Combination of BGP & Geographic DNS

My 2 'additional' cents:

If we are talking about web services, a nice but not very known and 
sometimes also not feasible approach is the proxy.pac URL hash load 
balancing, best explained at:

http://naragw.sharp.co.jp/sps/
http://naragw.sharp.co.jp/sps/sps-e.html

Best regards,
Roberto Nibali, ratz
-- 
echo 
'[q]sa[ln0=aln256%Pln256/snlbx]sb3135071790101768542287578439snlbxq' | dc