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A retrospective on the design of the GOPI middleware platform

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>12/2002
<mark>Journal</mark>Multimedia Systems
Issue number5
Number of pages13
Pages (from-to)340-352
<mark>Original language</mark>English


This paper offers a high-level retrospective overview of the GOPI middleware platform which is the outcome of a three-year project aimed at the development of generic, configurable and extensible middleware. GOPI has a clearly defined modular structure, is widely extensible with plug-ins at all levels of the architecture, and natively supports stream interactions as well as standard operation invocation. It offers a generic framework for quality of service (QoS) specification and management, and supports a high-level, multimedia-oriented programming environment that is backwardly compatible with the OMG's CORBA. At its lower levels it supports QoS-driven resource management and features an optimised HOP stack. Despite its enhanced functionality, GOPI's HOP performance equals or exceeds that of state-of-the-art CORBA platforms.