Business Data Catalog - BDC

As of Microsoft, Business Data Catalog is a new feature introduced with SharePoint 2007 which can be used to integrate business data from backend server {Line Of Business (LOB)} applications.

There are few good articles I found in the following web sites if you are interested to read more.

• http://msdn.microsoft.com/en-us/library/ms563661.aspx
• BDC Purpose and Technical Architecture
• Application Definition File (ADF) and its Development
• Developing an ADF to Connect to Web Services
• Consuming Business Data through Web Parts and SharePoint Lists
• Implementing Enterprise Search with Business Data
• Integrating User Profiles with Business Data
• Working with the BDC Object Model
• Using Actions in BDC
• http://blah.winsmarts.com/2007-4-SharePoint_2007__BDC_-_The_Business_Data_Catalog.aspx