Switched Multi-megabit Data Service (SMDS) was a connectionless service used to connect LANs, MANs and WANs to exchange data, in early 1990s.
Switched multimegabit data service (SMDS) претставува неконекциски сервис кој се користи за да се поврзи LANs, MANs и WANs за размена на податоци.