межсерверный обмен(In computer network protocol design, inter-server communication is an extension of the clientserver model in which data are exchanged directly between servers. In some fields server-to-server (S2S) is used as an alternative, and the term inter-domain can in some cases be used interchangeably. WK Alexander Demidov)
направляющие для установки сервера в стойку(Heavy equipment or equipment which is commonly accessed for servicing, for which attaching or detaching at all four corners simultaneously would pose a problem, is often not mounted directly onto the rack but instead is mounted via rails (or slides). wiki Alexander Demidov)
