The technique which pays attention to the structure and the flow of the data which is handled with business, does the system design. The standardized database of the data which is handled at enterprise is made, it is the approach that by the fact that it unifies the individual system design is made simple.

Before DOA appears, former technique is called “POA” (Process Oriented Approach) with, focusing on the processing with respect to business it was the technique which designs the system. With POA, business is received a some input (the document and the like) and the thing as the considering system which form output including processing are designed to that. In case of POA, because line of business it is designed to the center, there was a problematical point that it becomes many times when it becomes the system which becomes independent according to the line of business of each post exchange between the systems complicated. In addition, because the system depends on line of business strongly, when line of business becomes modification, substantial alteration of the system was necessary.

Doccimo <[dotsuchimo]>

Field:
Portable telephone > PHS > Doccimo

Portable telephone and PHS dual-purpose telephone of NTT [dokomo]. Portable telephone and PHS of PDC system being both, telephone call communication is possible.

The simultaneous expecting with both systems excluding 1 types which are sold in first stage, has become possible, if from suburb and the high-speed portable time to the station of the subway, either one the area which one side it has covered it can speak by telephone.

However, as for contract it is necessary to do portable telephone and PHS concerning respectively and (just one has been prepared also set plan), rent becomes raising. Using portable telephone function, can utilize “i mode” service also “[supadotsuchimo]” is sold.

DOCSIS

Reading: [dokushisu]
Full spelling: Data Over Cable Service Interface Specifications
Field:
Communication service > broadband > CATV > DOCSIS

De facto standard of technical specification in order to do data communication making use of the network of the cable television.

In order to do data communication with the cable television, it is necessary to connect the equipment which is called cable modem, but in order for this to spread widely, the necessity to be able to communicate the cable modem of the manufacturer which differs mutually. As for DOCSIS because this is actualized, data communication protocol and control interface etc of equipment setting are stipulated.

Examination was started in 1996, certification testing of version 1.0 started in 1998. Cable television company such as Comcast Cable Communications corporation, Cox Communications corporation, Tele Communications corporation and Time Warner Cable corporation being center, it was formed, Multimedia Cable Network System Partners Limited (MCNS) decides plan, Cable Labs does actual recognition test.

DOCSIS 2.0

Reading: - The [te] it is in [dokushisu] the [ze] [ro]
Full spelling: Data Over Cable Service Interface Specifications 2.0
Field:
Communication service > broadband > CATV > DOCSIS 2.0