Teradata and UDI (UDC Interface)

Hello BW and Teradata Gurus,
I am at a customer who intends to use Teradata as a DW along with BI. My understanding of their architecture is that they will use UDC Interface is to extract info from Terradata into BW. This will be as part of their reporting Interface, which they intend to acheive via the use of Vitual (Remote) InfoCubes.
LIke I mentioned they are planning on querying on information in Teradata based on query definition based on Remote Cubes, which could be part of a MultiProvider. To me, that stands out as a significant issue since I do believe that there are performance restrictions (data volume and number of concurrent users) when using remote cubes for querying information.
I do not have much exposure with either Teradata or UDC Interface. Would any of you have information regarding UDC Interface and how it interacts with Teradata. Any information you can provide regarding UDC Interface and SPECIFICALLY its impact on extraction and/or Query Performance especially with Teradata would be extremely helpful.
Thanks & Best Regards,
Rajesh

Hi,
The main reason to integrate with Teradata is a faster database. We load data from BW to Teradata and use a virtual cube based on a view in Teradata to report on the data (using TVAS). For us it was a relative quick win since we were planning on using the demand chain management solution from TD. Since we had to load a lot of data to Teradata anyway, why not use it for reporting.
There are some pros and cons to this method but overall we are happy with the solution. Teradata recently announced however that the TVAS method is no longer neccessary since you can run BW directly on a Teradata database. Check out the Teradata website for more information on this.
Hope some of this helps
http://www.teradata.com/t/assets/0/206/280/8356eed7-bfc1-403e-8d1c-e306fdba7a8a.pdf
http://www.teradata.com/t/assets/0/206/308/ebe4dcd4-52d7-4577-9efa-65afd6a6e63e.pdf
http://www.noticias.info/archivo/2005/200506/20050602/20050602_71599.shtm
http://www.groceryretailonline.com/article.mvc/Teradata-Completes-SAP-BW-35-UDC-Integration-0001?VNETCOOKIE=NO
http://www.encyclopedia.com/doc/1G1-145783747.html
Thanks & Regards,
Ravi.

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>>Having a Oracle database as the central location for all components has many
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>>- Integrated database security
>>- One language for everything, PL/SQL or Java (even both if desired)
>>- Inherited database cache, transaction and processing optimizations
>>- Direct access to the database dictionary
>>- Application runs on Oracle which has support for many platforms.
>>- Transparent use of parallel processing, clusters and future
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