Sync Handling

Sync Handling
When implementing sync in a peer-to-peer mesh network, handling synchronization efficiently is crucial. Here are some best practices for managing sync in Ditto's mesh network:
Optimize Transport Usage: Leverage multiple communication transports (Wi-Fi, Bluetooth LE, WebSockets) based on network conditions. Ditto’s multiplexer automatically manages transport switching.
Query Subscription System: Sync is query-based—only sync data relevant to each peer’s query to minimize bandwidth and processing.
Conflict Resolution: Use Ditto’s conflict-free sync, which ensures eventual consistency through deterministic resolution of concurrent edits.
Flood-Fill Strategy: For large-scale sync, Ditto uses a flood-fill process, propagating updates across the network via multihop connections. Ensure all peers share the same subscription for optimal performance.
Concurrency Handling: Utilize Ditto’s version vectors to manage updates from peers and resolve conflicts predictably.
Offline-first Sync: For offline functionality, configure an offline-first sync model that maintains data consistency even when devices are intermittently connected.
For more information, see Mesh Networking.

Updated 03 Oct 2024

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1. Planning and Architecture Design

Conflict Handling