%0 Journal Article %T MODEL OF CALCULATING DIFFICULTY OF NEW GENERATION OPTICAL COMMUTATION SYSTEMS %A Nguyen, T.. %A Barabanova, E.. %A Vytovtov, K.. %K optical switch, non-blocking capacity, self-routing, multi-stage scheme, switching difficulty %J Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics %D 2019 %N %P 9 %I Astrakhan State Technical University