Spanda

spanda-entity-mesh

Spanda Autonomous Entity Mesh — trust-aware inter-entity communication and resilience layer.

Sits above transport providers (MQTT, DDS, ROS2, BLE, Wi-Fi, etc.). Does not implement packet routing or replace existing transports.

Capabilities

• Entity and capability discovery (from EntityRegistry + entity graph)
• Trust-aware and readiness-aware routing
• Partition detection, offline policies, merge
• Coordinator election (communication role only)
• Mission delegation hooks (via Recovery Orchestrator)
• Secure messaging integration (SignedMessage, nonce/TTL)
• Readiness, assurance, diagnosis, and recovery integration

Usage

use spanda_config::build_entity_registry;
use spanda_entity_mesh::{build_entity_mesh, evaluate_mesh_health, find_capability};

let registry = build_entity_registry(&resolved);
let mesh = build_entity_mesh(&registry, "my-mesh");
let health = evaluate_mesh_health(&mesh, &Default::default());
let thermal = find_capability(&mesh, "thermal_camera");

CLI / API

• CLI: spanda mesh discover|list|health|route|find|…
• REST: GET /v1/mesh/topology, GET /v1/mesh/health, …
• Docs: docs/entity-mesh.md

Status

Experimental — see docs/feature-status.md.

Distinction from fleet mesh

spanda fleet mesh start runs the HTTP fleet relay coordinator in spanda-fleet. Entity Mesh is entity-level topology, trust routing, and partition resilience.

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