Needs Changing as Multimedia Progresses


In computer communications growing at a higher rate than other fields of progressing multimedia, the users' needs have been largely changing along with exponential advancement of LAN and terminal technologies.

Present Future Needs
Small-amount information transmission Large-amount information exchange Demand for high-speed communication of a large amount of data and information such as video images, typical of high-speed computer communications
Single function Multiple functions Demand for handling composite media of audio, video, and data instead of single media
Averaged service grade Various service grades Demand not only for conventional highly reliable services but for less reliable but reasonable services
Connection type (*1) communications Various communications systems including connection-less (*2) type Demand not only for telephone-based connection communications but for connection-less computer communications
Meter rate Diversified systems including flat rate Demand for flat-rate service independent of the duration of call or traffic