Lemeshko, O. and Yevdokymenko, M. 2020. THE METHOD OF HIERARCHICAL INTER-DOMAIN ROUTING IN A SOFTWARE-DEFINED TELECOMMUNICATIONS NETWORK WITH ENSURING END-TO-END QUALITY OF SERVICE. INNOVATIVE TECHNOLOGIES AND SCIENTIFIC SOLUTIONS FOR INDUSTRIES. 2 (12) (Jun. 2020), 169–182. DOI:https://doi.org/10.30837/2522-9818.2020.12.169.