Operator based composition of structured multimedia presentations -- SECCO - support environment for electronic commerce -- A bridge for heterogeneous communication between CORBA and DCE -- Distributed connection management for real-time multimedia services -- Evaluation of different video encryption methods for a secure multimedia conferencing gateway -- The FreeBSD audio driver -- Cell discarding mechanisms with minimum flow quality -- Implementing the digital storage media - command and control (DSM-CC) standard in the framework of an on-line service -- Resource selection in heterogeneous communication environments using the teleservice descriptor -- AMnet: Active multicasting network -- Impact of virtual group structure on multicast performance.