This study aims to provide adaptive communication services for real-time ap
plications. In particular, how to admit adaptive real-time connections is a
ddressed. Various search techniques in connection with admission control ar
e investigated, and their tradeoffs under different performance criteria ar
e assessed. The implementation and application of this new connection model
in the NetEx system is also discussed. (C) 1999 Elsevier Science Ltd. All
rights reserved.