Enterprise Architecture or Business Architecture

Hello

is BA the main aspect in EA?

 

http://integrated-modeling-method.com/enterprise-architecture-business-architecture/

http://www.architectpavilion.com/vb/enterprise-architecture/1417-do-you-think-enterprise-architecture-business-architecture-same.html

http://lundbergdaniel.wordpress.com/2012/09/21/architecture-for-business-experiments/

 

;;_))