srs for lost aarticles and letters reconciliation system

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1. Introduction
1.1. Purpose
1.2. Scope
1.3. Definitions, acronyms & abbreviations
1.4. References
1.5. Overview
2. Overall description
2.1. Product perspective
2.1.1. System interfaces
2.1.2. User interfaces
2.1.3. Hardware interfaces
2.1.4. Software interfaces
2.1.5. Communications interfaces
2.1.6. Memory constraints
2.1.7. Operations
2.1.8. Site adaptation requirements
2.2. Product functions
2.3. User characteristics
2.4. Constraints
2.5. Assumptions and dependencies
2.6. Apportioning of requirements
3. Specific Requirements
3.1 External interface requirements
3.1.1 User interfaces
3.1.2 Hardware interfaces 
3.1.3 Software interfaces  
3.1.4 Communication interfaces 
3.2 Specific requirements
3.2.1 Sequence diagrams
3.2.2 Classes for classification of specific requirements
3.3 Performance requirements
3.4 Design constraints
3.5 Software system attributes
3.5.1 Reliability
3.5.2 Availability
3.5.3 Security
3.5.4 Maintainability
3.6 Other requirements
4. Supporting information
4.1 Table of contents and index
4.2 Appendixes