ND-COSMOS was the proprietary computer networking system developed by

Norsk Data Norsk Data was a minicomputer manufacturer located in Oslo, Norway. Existing from 1967 to 1998, it had its most active period from the early 1970s to the late 1980s. At the company's peak in 1987, it was the second largest company in Norway and em ...

as the second generation NORDNET system. It offered very tight integration with the

ND-NOTIS ND-NOTIS was a tightly integrated yet modular office automation suite by Norsk Data introduced in the early 80s, running on the SINTRAN III platform on both ND-100 and ND-500 architectures. It was also available on Microsoft Windows running in ne ...

applications, as well as the

SINTRAN III Sintran III is a real-time, multitasking, multi-user operating system used with Norsk Data minicomputers from 1974. Unlike its predecessors Sintran I and II, it was written entirely by Norsk Data, in Nord Programming Language (Nord PL, NPL) ...

operating systems. In many ways, it was a strong parallel to DEC's

DECnet DECnet is a suite of network protocols created by Digital Equipment Corporation. Originally released in 1975 in order to connect two PDP-11 minicomputers, it evolved into one of the first peer-to-peer network architectures, thus transforming DEC ...

Phase IV system. The network system was peer-to-peer, and the NOTIS document storage system could also have redundant servers, which made for very good service reliability. The name was internally a pun on its recently released small computer, known as the ND Satellite.http://toresbe.at.ifi.uio.no/nd/nd-historier.html (in Norwegian) It could function on a wide variety of different link layers, including

Ethernet Ethernet () is a family of wired computer networking technologies commonly used in local area networks (LAN), metropolitan area networks (MAN) and wide area networks (WAN). It was commercially introduced in 1980 and first standardized in ...

X.25 X.25 is an ITU-T standard protocol suite for packet-switched data communication in wide area networks (WAN). It was originally defined by the International Telegraph and Telephone Consultative Committee (CCITT, now ITU-T) in a series of drafts a ...

HDLC High-Level Data Link Control (HDLC) is a bit-oriented code-transparent synchronous data link layer protocol developed by the International Organization for Standardization (ISO). The standard for HDLC is ISO/IEC 13239:2002. HDLC provides both ...

Bisync Binary Synchronous Communication (BSC or Bisync) is an IBM character-oriented, half-duplex link protocol, announced in 1967 after the introduction of System/360. It replaced the synchronous transmit-receive (STR) protocol used with second gene ...

, and

asynchronous Asynchrony is the state of not being in synchronization. Asynchrony or asynchronous may refer to: Electronics and computing * Asynchrony (computer programming), the occurrence of events independent of the main program flow, and ways to deal wit ...

serial ports.

Sources

Proprietary software Internet Protocol based network software Norsk Data software {{network-software-stub