Editing Codex/Requirements (section)

== 4. System Features ==

<span id="erasure-coding-and-data-redundancy"></span>
=== 4.1 Erasure Coding and Data Redundancy ===

<span id="description-and-priority"></span>
==== 4.1.1 Description and Priority ====

Core mechanism for ensuring data durability through redundancy. (Priority: High)

<span id="functional-requirements"></span>
==== 4.1.2 Functional Requirements ====

DAT-101: Data Splitting and Organization
* The system MUST implement basic data splitting:
** Fixed-size block splitting
** Slot organization
** Configurable slot sizes
** Padding for incomplete slots
* The system MUST implement basic data tracking:
** Unique content identifiers (CIDs)
** Dataset manifests
** Slot assignment status
* The system SHOULD support advanced organization:
** Dynamic slot sizing
** Adaptive block sizes
** Hierarchical manifests

DAT-102: Erasure Coding Implementation
* The system MUST implement core coding features:
** Reed-Solomon coding
** Configurable redundancy parameters
** Systematic coding (original data remains prefix)
** Interleaved block encoding
** Cross-neighbourhood redundancy
* The system SHOULD implement advanced features:
** Dispersed replicas
** Prefetching strategies
** Repair bandwidth optimization
** Adaptive redundancy levels

DAT-103: Data Durability Management
* The system MUST provide durability guarantees:
** 99.99% data availability
** Redundancy monitoring
** Repair triggering
** Recovery verification
* The system SHOULD support advanced durability:
** Predictive repair scheduling
** Redundancy optimization
** Geographic distribution

<span id="storage-proofs"></span>
=== 4.2 Storage Proofs ===

<span id="description-and-priority-1"></span>
==== 4.2.1 Description and Priority ====

Mechanism for verifying data storage and availability. (Priority: High)

<span id="functional-requirements-1"></span>
==== 4.2.2 Functional Requirements ====

PRF-201: Proof Generation System
* The system MUST implement core proof features:
** ZK-based proof-of-retrievability
** Local erasure coding for efficient proofs
** Groth16 proof generation
** Randomness incorporation
* The system SHOULD support advanced generation:
** Batched proof generation
** Proof optimization
** Custom proving schemes

PRF-202: Proof Verification Process
* The system MUST implement basic verification:
** On-chain proof verification
** Proof failure detection
** Deadline enforcement
** Basic validation
* The system SHOULD implement advanced verification:
** Proof aggregation
** Zero-knowledge verification
** Multi-proof validation
** Recursive proofs

PRF-203: Proof Management and Scheduling
* The system MUST provide basic management:
** Stochastic proof scheduling
** Proof history tracking
** Failure handling
** Basic monitoring
* The system SHOULD support advanced management:
** Proof aggregation services
** Dynamic scheduling
** Load balancing
** Priority scheduling

<span id="marketplace"></span>
=== 4.3 Marketplace ===

<span id="description-and-priority-2"></span>
==== 4.3.1 Description and Priority ====

Economic system for storage provision and acquisition. (Priority: High)

<span id="functional-requirements-2"></span>
==== 4.3.2 Functional Requirements ====

MKT-301: Storage Request Management
* The system MUST implement basic requests:
** Storage request posting
** Parameter specification (size, duration, slots)
** Payment allocation
** Request cancellation
* The system SHOULD support advanced features:
** Request prioritization
** Dynamic pricing
** Bulk requests

MKT-302: Slot Management System
* The system MUST provide basic slot operations:
** Slot reservation
** Fulfillment verification
** Reallocation handling
** Status tracking
* The system SHOULD implement advanced features:
** Predictive allocation
** Load balancing
** Geographic distribution

MKT-303: Provider Management Framework
* The system MUST implement core provider features:
** Provider registration
** Collateral management
** Reliability tracking
** Slashing conditions
* The system SHOULD support advanced features:
** Payment channels
** Reputation systems
** Dynamic collateral adjustment
** Provider incentives

<span id="content-discovery"></span>
=== 4.4 Content Discovery ===

<span id="description-and-priority-3"></span>
==== 4.4.1 Description and Priority ====

System for locating and retrieving stored data. (Priority: High)

<span id="functional-requirements-3"></span>
==== 4.4.2 Functional Requirements ====

DHT-401: DHT Core Operations
* The system MUST implement basic DHT features:
** Kademlia DHT implementation
** Provider record management
** Content addressing support
** Node discovery handling
* The system SHOULD implement privacy features:
** Logos Anonymous DHT Module integration
** Private routing tables
** Query pattern protection

DHT-402: Content Location Services
* The system MUST implement basic location:
** CID-based lookups
** Provider list maintenance
** Manifest discovery
** Partial data location
* The system SHOULD support privacy features:
** Private lookups
** Query pattern protection
** Anonymous content retrieval

<span id="data-repair"></span>
=== 4.5 Data Repair ===

<span id="description-and-priority-4"></span>
==== 4.5.1 Description and Priority ====

Mechanism for maintaining data redundancy. (Priority: High)

<span id="functional-requirements-4"></span>
==== 4.5.2 Functional Requirements ====

DUR-501: Failure Detection and Monitoring
* The system MUST implement basic detection:
** Missing proof detection
** Failed provider identification
** Redundancy level tracking
** Repair trigger mechanisms
* The system SHOULD support advanced monitoring:
** Predictive failure detection
** Health scoring
** Performance analytics

DUR-502: Repair and Recovery Operations
* The system MUST implement core repair features:
** Lazy repair mechanism
** Data reconstruction
** Slot reallocation
** Success verification
** Recovery protocol
* The system SHOULD support advanced repair:
** Prioritized repairs
** Parallel reconstruction
** Optimized bandwidth usage
** Geographic rebalancing

<span id="node-operations"></span>
=== 4.6 Node Operations ===

<span id="description-and-priority-5"></span>
==== 4.6.1 Description and Priority ====

Management of network nodes and their operations. (Priority: High)

<span id="functional-requirements-5"></span>
==== 4.6.2 Functional Requirements ====

NET-601: Storage Provider Operations
* The system MUST implement core provider features:
** Local storage management
** Proof generation handling
** Data transfer participation
** Contract status monitoring
* The system SHOULD support advanced features:
** Resource optimization
** Performance tuning
** Bandwidth management

NET-602: Client Operations Management
* The system MUST implement basic client features:
** Data upload handling
** Data encryption before uploading
** Data retrieval management
** Contract tracking
** Provider service verification
* The system SHOULD support advanced features:
** Upload optimization
** Retrieval prioritization
** Service monitoring

NET-603: Aggregator Node Operations
* The system SHOULD implement aggregation features:
** Proof aggregation support
** Batch processing capabilities
** Provider relationship management
* The system MAY support advanced features:
** Cross-network aggregation
** Custom aggregation schemes
** Advanced relationship models

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