  The development of multi-core processor systems is a demanded branch of
science and technology. The appearance of processors with dozens and hundreds
of cores poses to the developers the question of choosing the optimal topology
capable to provide efficient routing in a network with a large number of nodes.
In this paper, we consider the possibility of using multiplicative circulants
as a topology for networks-on-chip. A specialized routing algorithm for
networks with multiplicative circulant topology, taking into account topology
features and having a high scalability, has been developed.
