Editing PDMS/Requirements (section)

== 5. Other Nonfunctional Requirements ==

<span id="performance-requirements"></span>
=== 5.1 Performance and Scalability Requirements ===

===== Query Performance =====
* The system MUST achieve:
** Simple queries: < 500ms response time
** Complex queries: < 2s response time
** Distributed queries: < 10s response time
** Basic join operations: < 15s response time

* The system SHOULD achieve:
** Simple queries: < 100ms response time
** Complex queries: < 1s response time
** Distributed queries: < 5s response time
** Join queries: < 10s response time

===== Scalability =====
* The system MUST support:
** 1M+ RDF triples per node
** 100+ concurrent queries
** 100+ connected peers
** Sub-linear scaling

* The system SHOULD support:
** 10M+ RDF triples per node
** 1000+ concurrent queries
** Linear scaling
** Graceful degradation

<span id="security-requirements"></span>
=== 5.2 Security Requirements ===

===== Data Security =====
* The system MUST:
** Implement basic data encryption
** Support secure channels
** Provide basic access control
** Implement basic key management

* The system SHOULD:
** Support advanced encryption
** Implement end-to-end encryption
** Provide fine-grained control
** Support key rotation

===== Privacy Protection =====
* The system MUST:
** Support basic anonymization
** Implement basic query privacy
** Protect basic metadata
** Provide basic network privacy

* The system SHOULD:
** Implement advanced techniques
** Support private retrieval
** Provide metadata obfuscation
** Enable privacy-preserving analytics

<span id="software-quality"></span>
=== 5.3 Software Quality Attributes ===

===== Reliability =====
* The system MUST achieve:
** 99% uptime
** Basic error recovery
** Basic consistency guarantees
** Basic fault tolerance

* The system SHOULD achieve:
** 99.9% uptime
** Advanced recovery mechanisms
** Strong consistency guarantees
** Comprehensive fault tolerance

===== Maintainability =====
* The system MUST provide:
** Basic modular architecture
** Essential documentation
** Test coverage > 60%
** Basic debugging support

* The system SHOULD provide:
** Advanced modular design
** Comprehensive documentation
** Test coverage > 80%
** Advanced debugging capabilities

<span id="incentive-mechanisms"></span>
=== 5.4 Incentive Mechanisms and Network Participation ===

===== Contribution Tracking =====
* The system MUST:
** Track basic resource usage
** Monitor basic processing
** Measure basic contributions
** Record basic bandwidth usage
** Maintain basic logs

* The system SHOULD:
** Track detailed metrics
** Monitor query complexity
** Measure quality and availability
** Record detailed patterns
** Calculate comprehensive scores

===== Resource Management =====
* The system MUST:
** Implement basic allocation
** Provide basic management
** Support basic quotas
** Enable basic limits

* The system SHOULD:
** Implement dynamic allocation
** Provide fair distribution
** Support advanced quotas
** Enable fine-grained control

<span id="other-requirements"></span>