---
title: "Swarm Self-Healing · Deterministic Homeostasis & Failover for AI Swarms · hsnlabs"
description: "Deterministic homeostasis, sub-5s hot failover, preventive heat cooldown, 3-tier proxy affinity, and resource circuit breakers for autonomous AI swarms by hsnlabs."
url: "https://hsnlabs.ai/en/products/swarm-self-healing/"
locale: "en"
updatedAt: "2026-11-03T21:11:40Z"
---

# Swarm Self-Healing · Deterministic Homeostasis & Failover for AI Swarms · hsnlabs

> Deterministic homeostasis, sub-5s hot failover, preventive heat cooldown, 3-tier proxy affinity, and resource circuit breakers for autonomous AI swarms by hsnlabs.

# Swarm Self-Healing Deterministic homeostasis & sub-5s hot failover for autonomous AI swarms.

A pure-Python resilience, thermal governance, and resource protection runtime for distributed agentic fleets, providing sub-5-second hot standby failover, discrete thermal hysteresis, 3-tier proxy affinity verification, and sliding-window circuit breakers over hexagonal ports.

## Four Operational Failure Modes Eliminated

Long-horizon autonomous swarms operating over hostile external surfaces fail when worker mortality, rate-limit heat, proxy drift, or provisioning storms go unchecked. Swarm Self-Healing enforces four deterministic guarantees:

### Cold-Boot Failover Latency

Eliminates multi-minute mission stalls when an active worker drops or gets banned by maintaining a warm pool of STANDBY_READY Scouts and promoting replacements in under 5 seconds.

### Terminal Rate-Limit Bans

Prevents irreversible identity burn via a bounded thermal score in [0.0, 1.0] with discrete friction deltas and hysteresis that preemptively moves stressed workers to COOLING_DOWN at 0.78.

### Proxy Drift & Identity Correlation

Blocks cross-account contamination and residential DHCP drift through 3-tier network affinity validation (Endpoint Match, Subnet/ASN Match, or Hard Reject) before any external dispatch.

### Infinite Provisioning Storms

Halts runaway SIM/eSIM and proxy financial drain during systemic target outages via a sliding-window ResourceCircuitBreaker that locks incubator expenditure until explicit operator review.

## The Four Architectural Pillars

Formalized in SSH-SPEC-0001 and implemented in zero-I/O pure Python 3.11+ with Pydantic v2 and hexagonal typing.Protocol ports.

### Sub-5s Hot Standby Promotion

Reconciles fleet invariants on every heartbeat tick: demotes overheated or banned workers, immediately promotes the coolest STANDBY_READY Scout into ACTIVE duty, and triggers asynchronous background pool replenishment.

### HeatPolicy & Preventive Hysteresis

Tracks discrete operational friction (normal_turn +0.06, TurnTimeout +0.18, CaptchaOrBlock +0.35, BanDetected → 1.0) and passive decay (-0.08/min), enforcing a wide 0.35..0.78 hysteresis deadband against state thrashing.

### 3-Tier NetworkAffinityGuard

Enforces strict 1:1 identity-to-proxy binding while gracefully tolerating legitimate ISP DHCP renewals within the same ASN and /24 IPv4 (or /48 IPv6) prefix, raising ProxyAffinityViolationError on anomalous jumps.

### ResourceCircuitBreaker

Tracks ban and provisioning failures across a rolling 600-second window. Reaching 5 failures trips the breaker to OPEN, blocking all automated provisioning until explicit operator inspection and unlock().

## Architectural Guarantees & Operational Proofs

Designed as a standalone, zero-I/O core that plugs into any orchestrator, ledger, or cloud provisioner via two structural protocols.

Zero coupled database drivers or HTTP clients. State persistence and infrastructure lifecycle are injected strictly via SwarmLedgerPort and ScoutProvisionerPort.

Hot standby promotion always executes before new cold provisioning, ensuring active mission continuity even if the external incubator is degraded or circuit-broken.

Piecewise-linear clamping guarantees heat_score ∈ [0.0, 1.0] under arbitrary event bursts, while dual thresholds (0.35 vs 0.78) prevent oscillation.

Distinguishes benign ISP IP rotation within the same /24 subnet and ASN from true proxy hijacking, updating records in-place without dropping active sessions.

Validated by an isolated pytest suite proving sub-5-second failover promotion, hysteresis saturation, 3-tier subnet checks, and circuit-breaker storm suppression.

## Explore the Specification & Reference Runtime

The complete SSH-SPEC-0001 specification, hexagonal port definitions, and pure-Python reference package with full pytest verification are available under the MIT License.

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