Editing Codex/Requirements (section)

== 5. Other Nonfunctional Requirements ==

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

# Storage Performance
#* The system MUST achieve 99.99% data durability
#* The system MUST support configurable redundancy levels
#* The system MUST optimize storage overhead for erasure coding
#* The system MUST minimize bandwidth usage for repairs
#* The system MUST support parallel data transfer
#* The system MUST handle network partitions gracefully
#* The system SHOULD optimize for cold storage access patterns
#* The system SHOULD support tiered storage strategies
# Network Performance
#* The system MUST support logarithmic routing in network size
#* The system MUST maintain Kademlia topology with O(log N) connections per node
#* The system MUST optimize proof transmission overhead
#* The system MUST minimize latency for chunk retrieval
#* The system MUST support concurrent chunk transfers
#* The system SHOULD implement opportunistic caching
# Computational Performance
#* The system MUST support consumer hardware
#* The system MUST minimize proof generation overhead
#* The system MUST optimize erasure coding operations
#* The system MUST scale horizontally with network size
#* The system SHOULD optimize chunk validation operations

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

# Data Security
#* The system MUST ensure data integrity through content addressing
#* The system MUST prevent unauthorized access through encryption
#* The system MUST provide plausible deniability for nodes
#* The system MUST implement chunk-level encryption
#* The system MUST support secure key management
#* The system SHOULD encrypt manifests
#* The system SHOULD support encrypted metadata
#* The system SHOULD provide forward secrecy
# Network Security
#* The system MUST resist Sybil attacks
#* The system MUST validate peer identities
#* The system MUST secure communications
#* The system MUST protect against malicious nodes
#* The system MUST implement secure routing
#* The system MUST prevent eclipse attacks
#* The system SHOULD implement neighborhood masking
#* The system SHOULD support obfuscated chunk retrieval
# Query Privacy
#* The system SHOULD integrate with Logos Anonymous DHT Module
#* The system SHOULD protect query content privacy
#* The system SHOULD hide routing table information
#* The system SHOULD support anonymous content retrieval
#* The system SHOULD protect node identity in queries
#* The system SHOULD support query source masking
# Economic Security
#* The system MUST enforce collateral requirements
#* The system MUST implement slashing conditions
#* The system MUST protect against gaming
#* The system MUST ensure fair market operation
#* The system MUST prevent free-riding
#* The system MUST incentivize honest behavior

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

# Reliability
#* The system MUST maintain data availability
#* The system MUST handle node failures gracefully
#* The system MUST recover from errors automatically
#* The system MUST maintain service consistency
#* The system MUST provide eventual consistency
#* The system MUST support data redundancy
# Maintainability
#* The system MUST be modular
#* The system MUST be upgradeable
#* The system MUST be well-documented
#* The system MUST support monitoring
#* The system MUST enable debugging
#* The system SHOULD support testing
# Scalability
#* The system MUST handle growing data volumes
#* The system MUST support network growth
#* The system MUST scale proof operations
#* The system MUST optimize resource usage
#* The system MUST support horizontal scaling
#* The system SHOULD balance load automatically

<span id="business-rules"></span>
=== 5.4 Business Rules ===

# Marketplace Rules
#* Storage requests MUST include payment
#* Providers MUST post collateral
#* Proof failures MUST trigger penalties
#* Repairs MUST be compensated
#* Bandwidth MUST be accounted for
#* Resources MUST be priced fairly
# Operational Rules
#* Nodes MUST follow protocol rules
#* Proofs MUST be submitted on time
#* Data MUST maintain minimum redundancy
#* Resources MUST be fairly allocated
#* Nodes MUST maintain minimum uptime
#* Services MUST meet SLA requirements

<span id="appendix-a-glossary"></span>