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70's Mini Computers
he mini computers were emulated as terminals so that data on the mainframe could be accessed through terminal emulation. Transmission speed: 2400 to 9600 bits per second. -
70's Mainframes
One of the main characteristics of distributed systems are mainframes, (Super computers with super capacity and super efficiency). But at this time, WANDS networks were used, with very slow transmission, therefore, the process was often limited by its transmission capacity. -
80'S Mainframes and Mini Computers
Desktop PCs are added to the system of mainframes and mini computers and networks are changed to LANS AND WANS. Transmission speeds: LAN: 4 to 16 million bits per second. (Almost 2 megabytes) WANS: from 56 kilobyte to 1.54 megabyte -
90's Information Processing Systems
Information processing systems are much less closed, which allows distributed systems with different machines from different manufacturers connected by network from different geographical areas. -
90's Distributed Cooperative Processing
In addition, a great advance called Distributed Cooperative Processing is implemented that allows the exchange of information interactively between the processors of different computers. For example, client-server computing. Data transfer networks are equal to or greater than 100 megabytes for LAN, WAN, MAN networks. -
Present
Distributed computing systems make an entire computer network appear as a single large computer where different activities are carried out on different computers. These systems include super computers connected through networks with transmission capacity of gigabytes per second, and supervised by management software, these systems are called network super computing.