This article describes how recent advances in distributed object computing
middleware are enabling the creation of common quality-of-service capabilit
ies that support next-generation distributed applications. DOC middleware h
elps to simplify and coordinate applications in order to leverage the under
lying network and end-system QoS architectures more effectively. This artic
le also describes a QoS-enabled middleware framework used to customize the
CORBA audio/video streaming service for applications on multiple operating
system platforms.