Experience with the Integration of Distribution Middleware into Partitioned Systems
This paper proposes an architecture to enable the use of distribution middleware in partitioned systems based on a hypervisor. Partitioning is a widespread technique used in the development of high-integrity systems. In this kind of critical systems, software has to be as simple as possible in order to ease certification, and as the use of distribution middleware increases complexity, it has been avoided by developers. However, partitioning allows applications with different levels of criticality (mixed-criticality) to be executed in the same system. We propose the use of distribution middleware for the development of those applications with lower level of criticality, and present an experience in porting middleware based on CORBA and Ada DSA (Distributed Systems Annex) standards to the hypervisor XtratuM.
Keywordsdistribution middleware partitioned systems CORBA Ada DSA real-time communications
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