Abstract
Distribution is increasingly becoming an important issue in both enterprise applications and mobile computing. OSGi itself has only rudimental support for distribution, in forms of interfaces for interaction with Jini (R3) or UPnP (R3 + R4) infrastructures. When it comes to interconnecting different OSGi frameworks, there are only few solutions so far. In this paper, we present these existing solutions and compare the different approaches with our own R-OSGi. The goal of our open source project is to provide a seamless and noninvasive middleware for accessing remote services in OSGi frameworks. We explain the basic design principles of R-OSGi, such as transparent service access and spontaneous interaction, and briefly mention the internal structure and techniques used in R-OSGi, such as service discovery and smart proxies. 1.
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