Fault Detection Manager FDA Fault Recovery Manager Host VM OCCO InfoBroker CloudHandler ServiceComposer Application Create VM Deploy application Deploy FDA FT API Query status Query composite node status New in OCCO Trigger enactor run

FDA Fault Recovery Manager Host VM OCCO InfoBroker CloudHandler ServiceComposer Application Create VM Deploy application Deploy FDA FT API Query status Query composite node status New in OCCO Trigger enactor run Fault Detection Manager

OCCO-FT Framework Major components Fault Detection Manager (global component) Single global component which liaises with localized components Interaction with OCCO components to communicate fault occurrence/causes Fault Detection Agent(s) (localized components) Individual components for each node(VM) Are they similar to ad-hoc fault detectors ( may become a plugins for each type of fault)? If there is a plugin for each different type of fault then the local FDA is a collection of these plugins or detectors Fault Recovery Manager (global component) To perform actions to remedy/lessen the impact of a fault Interaction with OCCO components to achieve desired remedial actions