%0 Journal Article %T Analysis of network communication problems of industrial enterprises with enterprise portals. %A Rytov, M.Y. %A Kovalev, P.. %K network model, open systems interconnection model, layer, enterprise portal, industrial environ-ment, protocol, LAN, network. %J Bulletin of Bryansk state technical university %D 2015 %N 2015 %P 4 %I Bryansk State Technical University