referenční model, který ve vrstvové struktuře (7 vrstev) popisuje datovou výměnu a požadavky na ni

POZNÁMKA 1 k heslu Každá vrstva vykonává službu na základě požadavku vyšších vrstev a naopak, vyžaduje konkrétnější služby z nižších vrstev.

reference model developed by ISO to enable different or similar systems to dialogue with one another

NOTE 1 This model constitutes a reference framework for describing data exchanges. Each layer performs a service at the request of the adjacent higher layer, and in turn, requests more basic services from the lower layers. It is described in 7 layers.

NOTE 2 Open systems interconnection (OSI) is an international effort to facilitate communications among computers of different manufacture and technology.