In the present work, the necessary and sufficient conditions for the real-t
ime schedulability of Dual Queue Dual Bus (DQDB) networks are formally prov
ed, strictly adhering to the letter of the standard as it stands today. Wit
h those results, the quality of the standardized multimedia applications th
at a given DQDB network can carry is analysed. (C) 1999 Elsevier Science B.
V. All rights reserved.