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Part 1. Recovery phase analysis (Phase 1: Failure detection) Phase 2: Failure correlation Phase 3: Failure localization/isolation Phase 4: Failure notification Phase 5: Recovery (protection/restoration) Phase 6: Reversion (normalization) Part 2. Focus on Phase 5 Recovery mechanisms and schemes Provides classification of the restoration schemes Part 3. Focus on Phase 6 - Reversion (Normalization) Part 4. Horizontal & vertical hierarchy, Escalation strategies and Disjointness Part 5. Dimensions for recovery Scheme/Strategy selection: fast convergence, efficiency, robustness & resource optimization Analysis - Scope and Goal