Editing Codex/Requirements (section)

== 3. External Interface Requirements ==

<span id="user-interfaces"></span>
=== 3.1 User Interfaces ===

The system MUST provide:

# Command Line Interface (CLI)
#* For node operation and management
#* For data storage and retrieval operations
#* For marketplace interactions
# Programming APIs
#* SDK for application integration
#* Interface for storage operations
#* Interface for marketplace interactions

<span id="hardware-interfaces"></span>
=== 3.2 Hardware Interfaces ===

The system MUST:
* Support standard storage devices (HDDs, SSDs)
* Support standard network interfaces
* Operate within resource constraints of consumer hardware
* Support varying hardware capabilities across different node types

<span id="software-interfaces"></span>
=== 3.3 Software Interfaces ===

The system MUST interface with:

# Blockchain Network
#* For marketplace smart contract operations
#* For proof verification
#* For payment processing
# Distributed Hash Table (DHT)
#* For content discovery
#* For peer discovery
#* For provider record management
# Logos Module Manager
#* For module delivery
#* For module verification
#* For module storage

<span id="communications-interfaces"></span>
=== 3.4 Communications Interfaces ===

The system MUST implement:

# P2P Network Protocol
#* For node discovery and communication using Kademlia topology
#* For data transfer between peers with logarithmic routing
#* Supporting multiple transport protocols
#* Implementing forwarding Kademlia for anonymous retrieval
#* Supporting quasi-permanent peer connections
#* Maintaining proximity-based peer selection
# Storage Protocol
#* For data storage and retrieval operations
#* For proof generation and verification
#* For repair coordination
#* For chunk synchronization between peers
#* For push syncing operations
#* The system SHOULD support storage class management
#* The system SHOULD implement cold storage operations
#* The system SHOULD support pull syncing
#* The system SHOULD implement opportunistic caching
# Marketplace Protocol
#* For storage request posting
#* For slot reservation and fulfillment
#* For proof submission
#* For incentive distribution
#* The system SHOULD support payment channels
#* The system MUST manage stake requirements

<span id="system-features"></span>