Standards and protocols: Presentation-level protocol for national videotex services
A comprehensive presentation level protocol (PLP) for videotex services is proposed, which, similar to AT&T's PLP, also encompasses mosaic, DRCS, geometric and eventually photographic coding formats, but is in much closer accordance with both the CCITT ...
Database design technique
The usefullness of database management techniques is directly related to the manner in which the database itself is designed. Numerous attempts have been made to bring structure to the design process. The paper proposes a coherent integrated approach to ...
Techniques: Statistical multiplexing in data networks
Common carriers throughout the world are finding it difficult to satisfy current needs for rapid data transfer over telephone lines. Both the carrier and the user want quick, reliable and cheap data transmission. Thus, the maximization of line ...
Optimal strategy in multigraduated tariffs
Many commercial communications offerings follow a multigraduated tariff. Assuming a static traffic pattern, crossover points for the optimal selection of the various subscriptions of the tariff have been computed. The problem is more complicated in a ...
