Due to a ransomware attack, the wiki was reverted to a July 2022 version. . We apologize for the lack of a more recent valid backup.
Work in progress
Overview
OSGi provides a framework for individual software components to declare certain parameters to be configurable. This framework allows changing these parameters in-flight and tracks their values across system restart. However, this occurs only on the local container, which in ONOS's case is Apache Karaf. For this reason, ONOS provides a subsystem, which overlays the OSGi mechanism, but which manages the configurations in a distributed fashion across the entire ONOS cluster. This assures that all ONOS cluster instances are running using the same configuration and at the same time provides a convenient means to view the state of the configuration parameters.
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