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Networking Changes

Overview of Changes

This document summarizes the recent networking changes and improvements made to the KAI system.

1. Documentation Reorganization

  • Moved all markdown files to the Doc/ folder for better organization
  • Updated references to markdown files throughout the codebase
  • Enhanced the Networking.md documentation with new sections on connection testing and peer-to-peer networking

2. New Network Components

Peer-to-Peer Network Implementation

Created a true peer-to-peer networking system with SSH-like command execution semantics:

  • NetworkPeer: A P2P implementation that can listen, connect to peers, and execute remote commands
  • Support for interactive and non-interactive modes
  • Remote command execution with @peer command syntax
  • Command processor extensibility

JSON Configuration

Added JSON configuration support for network components:

  • peer_config.json: Configuration for the peer-to-peer network nodes
  • Used Boost Property Tree for JSON parsing
  • Support for predefined commands and connection settings

3. Remote Calculation Demonstration

Implemented a complete demonstration of peer-to-peer calculation where:

  1. Two peers connect to each other
  2. One peer sends a command to execute a calculation ("1+2") on the remote peer
  3. The remote peer executes the calculation and returns the result (3)
  4. The original peer receives and displays the result

4. Enhanced Testing

Added several new test scripts and test cases:

  • p2p_test.sh: Test script that demonstrates the peer-to-peer calculation functionality
  • test_tau_interfaces.sh: Script to verify the Tau interface definitions

5. New Documentation

Added new documentation files:

  • PeerToPeerNetworking.md: Comprehensive documentation for the peer-to-peer system
  • ConnectionTesting.md (renamed from connection_test_summary.md): Information about the connection testing interfaces
  • NetworkingChanges.md: This document summarizing the changes

How to Test the Changes

Testing Peer-to-Peer Functionality

# Build and run the peer-to-peer calculation test
./Scripts/p2p_test.sh

Tau Pi Serialization (Local Nodes)

Test/Network/TauPiSerializationTest.cpp runs two Node instances in a single thread and pumps updates manually. The same RPC + Pi serialization path scales to multi-process or multi-machine nodes by running each node in its own process and removing the in-process update pump (each process calls Node::Update() on its own thread).

Running NetworkPeer Manually

# First terminal - start a peer
./build/Bin/NetworkPeer peer_config.json

# Second terminal - start another peer that connects to the first
./build/Bin/NetworkPeer peer2_config.json

# In the second peer's console, execute a remote command
@0 calc 1+2

Future Work

  1. Enhance the command processor to support more operations
  2. Add authentication and security to the peer-to-peer system
  3. Implement the Tau interface definitions as concrete classes
  4. Integrate the peer-to-peer functionality with the Rho language
  5. Support for peer discovery with broadcast/multicast
  6. Implement advanced distributed computation examples
  7. Add support for data streaming between peers