B2B Integration : A Practical Guide to Collaborative E-commerce

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Systems '•"••i Extract m+ Transform »•* Cleanse •"•i Load
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Integration Patterns 55
Figure 3.6. — ETL-based data oriented integration solution
Data W a reho use
access can subscribe to the data. Put simply, this solution is a whole
new class of data access middleware.
A number of vendors provide ETL solutions, including Data Mirror
(iDeliver), Acta's ActaWorks, Ascential's DataStage and Informatica's
PowerCenter.
Components of ETL solution
An ETL data integration solution is built on open database architecture
for easy connectivity to all corporate internal and external data. It is
usually composed of several tools, including a transformation or ETL
engine, a scheduler, a designer tool AND a repository that together
provide end-to-end data integration.
An ETL solution may be used in conjunction with data replication
servers to provide a full-fledged data oriented solution within a company.
ETL engine
The ETL engine is used for extracting, converting and transforming
data from a data source and loading it into the target source. It has the
ability to handle data feeds concurrently from multiple points. The
engine uses data cleansing tools to identify and correct inconsistent,