“…The migration technique is claimed to be costly, time consuming but in the long run the organization can gradually replace the existing legacy system. Various techniques have been used to migration legacy systems to SOA (program slicing [Bao, Yin, He, Ge, & Chen, 2010;Chen, et al, 2009;Marchetto & Ricca, 2008;Zhang, et al, 2006]; model transformation techniques [Chen, Yang, Qiao, & Chu, 2006;Fuhr, et al, 2011;Hoyer, et al, 2009]). The distinction between integration and migration is discussed by Umar et al (Umar & Zordan, 2009) in detail with respective benefits and drawbacks.…”