The article considers the issue of outsourcing development in the field of information technologies. The work is devoted to the construction of a model that allows optimizing the organizational structure of the BigData information network and carrying out a comparative analysis of the effectiveness of its implementation in the format of IT outsourcing. In the process of research, the theoretical bases of outsourcing are analyzed and factors influencing the choice of the system implementation variant are generalized. In the critical review, a hypothetical assumption is made that the degree of IT outsourcing implementation effectiveness is inversely related to the degree of change in the characteristics of uncertainty, the frequency of queries and specificity. The study made it possible to characterize a set of indicators for evaluating the efficiency of outsourcing the BigData information system. The development model can be used to optimize the server complex of the network in order to reduce the number of cluster computing capacities involved during variable load. The criteria of the expediency of outsourcing application in practical activity of the companies are determined. © 2005 – ongoing JATIT & LLS.