Integegrated InfoSphere Information Server and InfoSphere Change Data Capture

With IBM InfoSphere Information Server 8.5 we can use this products together with IBM InfoSphere Change Data Capture (InfoSphere CDC) to perform real time, continuous replication with guaranteed delivery and transactional integrity in the event of failure.
In simple terms IBM InfoSphere DataStage job can read data which is captured by IBM InfoSphere Change Data Capture (InfoSphere CDC) and apply the change to a target database. This can be achieved with new CDC Transaction Stage which integrates the replication capabilities that are provided by InfoSphere CDC with the ETL capabilities that are provided by InfoSphere DataStage.
Data flow in a CDC Transaction stage job
Above Picture demonstrate how it works in reality.
Steps Involved
  1. InfoSphere CDC transfers the change data according to the replication definition.
  2. The InfoSphere CDC for InfoSphere DataStage server sends data to the CDC Transaction stage through a TCP/IP session that is created when replication begins
  3. In the InfoSphere DataStage job, the data flows over links from the CDC Transaction stage to the target database connector stage.
  4. The target database connector stage connects to the target database and sends data over the session.
  5. Periodically, the InfoSphere CDC for InfoSphere DataStage server requests bookmark information from a bookmark table on the target database. In response, the CDC Transaction stage fetches the bookmark information through ODBC and returns it to the InfoSphere CDC for InfoSphere DataStage
This stage going to provide real time ETL in seamless manner.

Step by Step use of  New CDC Transaction Stage
http://publib.boulder.ibm.com/infocenter/iisinfsv/v8r5/index.jsp?topic=/com.ibm.swg.im.iis.conn.cdc.doc/topics/scenario_applying_change_data.html

Will cover more on this based on this later stage.
-Ritesh
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