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Re: How is geographically distributed database implemented?

From: Andrew Allen <andrew.allen_at_sppaammkiller.handleman.com>
Date: Wed, 05 Mar 2003 16:09:46 GMT
Message-ID: <3E661444.8070604@sppaammkiller.handleman.com>


Sybrand Bakker wrote:
> On 4 Mar 2003 13:46:00 -0800, ernestsiu_at_yahoo.com (Ernest Siu) wrote:
>
>

>>As stated on subject line, how is this done for national corporation
>>that has database that spread across the continent while only having a
>>'single' image of database that need to be realtime accessed by user
>>that are so wide spreaded?  Basically I'm referring to having multiple
>>servers that is capable of reading/writing to the same database on
>>distributed locations (e.g. couriers, airliners)?  How is this being
>>implemented today?  To me, this is like one data image, hundreds of
>>cities, thousands of people accessing it.  How is it done???

>
>
> Advanced replication.
>
> Parallel Server isn't a product for a WAN, and SAN/NAS are also no WAN
> products
>
>
> Sybrand Bakker, Senior Oracle DBA
>

Also, if you have web-based applications you might be able to put app servers in various locations connected to a central database over a large pipe.
--
AjA
Received on Wed Mar 05 2003 - 10:09:46 CST

Original text of this message

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