IBM Balanced Configuration Unit
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The Balanced Configuration Unit is a family of data warehousing servers from IBM. IBM introduced the Balanced Configuration Unit (BCU) for AIX in 2005, and the BCU for Linux in 2006. The BCU is a "balanced" combination of computer server hardware (cpus, I/O channels, and storage) combined with DB2 Data Warehouse Edition (DB2 DWE) software to form a data warehouse "appliance like" system to compete with systems such as Netezza and DATAllegro in the smaller datamart market and Teradata at the high end. The primary difference between IBM's BCU and other data warehouse appliances is that IBM used their flagship version of the DB2 data server line; DB2 DWE, rather than a single-purpose database designed solely for decision support.