Types of response. The alerts generated by CWFGM and monitoring services trigger a response from the mitigation service, a mitigation; a mitigation is a (request for) modification of: the generated, selected or instantiated workflows. The mitigation action requires new workflows to be generated, another workflow to be selected or the selected workflow to be instantiated differently. the policies and integrity constraints governing workflow generation, instantiation and execution. The problem is that in this case the policies or integrity constraints are too restrictive to solve the needs in the system the composition of the system. The problem is in this case that the system lacks the knowledge and capabilities to solve the challenges in the operational scenario. Table 1 associates types of alert with types of response. This table identifies for each case, the originator for the alert, the key information elements in the alert and the type of response from the mitigation service. The key information elements in the alert contain three components: a component WF-element, pinpointing the source of the problem in the workflow. The value for this component can be an action, an artefact or an actor. a component required, identifying what had to be associated to the WF-element. Possible values of this component are description of an action, an artefact, an actor, a quality or a value. a component obtained, describing what was actually produced. Possible values for this component are descriptions 'none', of a quality, of a value or of an (policy) instance. # Alert type Source Key Information elements Response type WF-element required obtained 1 Incapable Selection action resource none Escalation 2 Too strict Selection action quality instance Relax Policies quality Relax Policies 3 Allocation Instantiation action resource instance Re-do Selection status Apply prioritization schedule Escalation 4 No response Execution resource value none Re-do Instantiation 5 Rejected Execution resource value value Re-do Instantiation 6 No monitor Execution resource value none Re-do Instantiation 7 Mon rejected Execution resource value value Re-do Instantiation 8 Performance Monitor action quality instance Re-do Instantiation quality Re-do Selection Re-do Generation 9 Production Monitor artefact quality quality Re-do Instantiation Re-do Selection Re-do Generation 10 Evaporation Monitor artefact artefact none Escalation Table 1: Failure Trigger Mitigation Explanation of alerts and response...
Types of response. As summarized in Figure 2, Coordination and Checkpoint Process, the Responding Agency sends a formal agreement or disagreement, (and the USACE may also send a concurrence or non-concurrence at the Preliminary LEDPA/DMP and recommend/not recommend at the USACE Section 408 Draft Response checkpoint) to the Authority, as follows:
