1. Introduction
  1.1 Background
  1.2 Motivation
  1.3 Objectives
2. Literature Review
  2.1 Cloud Storage Systems
  2.2 Data Versioning and Rollback
  2.3 Related Work
3. System Design
  3.1 Version Control Mechanisms
  3.2 Data Recovery Strategies
  3.3 Consistency and Integrity Checks
4. Implementation
  4.1 Versioning Algorithms
  4.2 Rollback Procedures
  4.3 Data Consistency Validation
5. Performance Evaluation
  5.1 Versioning Overhead
  5.2 Recovery Time