Projects / Resilient Distributed Runtime

Versioned release2026-09Reliable infrastructure for AI/ML services

Resilient Distributed Runtime

A correctness-first distributed runtime demonstrating bounded execution, membership, causal replication, recovery, security, observability and failure testing.

Problem

AI/ML services face overload, partial failure, changing membership, inconsistent replicated state and unverifiable recovery—not just API design.

Ownership

Designed the reliability model and implemented the runtime, three-node verification, CRDT replication, recovery, security controls, telemetry, chaos scenarios and release evidence.

Primary proof

Three-node Kubernetes verification with failure recovery and 439 tests passed

01 / Overview

System and intended use

A portfolio reference for teams evaluating backend reliability, observability, distributed coordination and resilient infrastructure for AI/ML services.

439 passedAutomated tests
3 nodesLocal cluster
v0.7.0Release
EKS verifiedCloud lifecycle

02 / Architecture

System boundary and flow

System flow04 stages
01
Bounded clientAdmission control
02
Three-node clusterReplicated runtime
03
etcd + causal CRDTMembership + state
04
mTLS + telemetryTrust + telemetry
Bounded callers reach a three-node Kubernetes service; etcd coordinates membership, CRDT state converges, durable recovery restores state and mTLS plus OpenTelemetry protect and expose the path.

03 / Engineering decisions

Key design choices

01

Bound work

Queues, deadlines and concurrency limits make overload explicit.

02

Precise consistency claims

Causal convergence is documented without implying consensus or linearizability.

03

Failure as a test

Chaos and restart recovery are part of verification.

04 / Verification

Claims, evidence and boundaries

Verification claims, inspectable evidence and claim boundaries
ClaimInspectable EvidenceBoundary
The runtime has broad automated verification.The supplied verification run records 439 tests passed with 8 skipped.Test breadth does not establish consensus or linearizability.
The runtime was exercised as a three-node local cluster.The project records a three-node local Kubernetes lifecycle.A local cluster does not establish multi-AZ availability.
The project has a versioned release.The repository exposes the supplied v0.7.0 release link.The release does not claim quorum durability.
Delivery evidence includes software-supply-chain artifacts.The project records a signed OCI image and SBOM evidence.Artifact signing does not by itself establish production operational maturity.

05 / Boundaries

Limitations and claim boundaries

  • No claim of consensus, linearizability, quorum durability, or multi-AZ availability.
  • Temporary EKS infrastructure is not a permanent live service.
  • CRDT semantics apply only to modeled state.

06 / Transferable capability

Related client problems

The project demonstrates explicit overload controls, recovery, observability, security and delivery practices applicable to dependable backend and AI/ML infrastructure.

Relevant to: backend reliability, observability, container/cloud delivery, distributed coordination and resilient AI/ML infrastructure.

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07 / Technical depth

Engineering appendix

Review implementation, failure modes, delivery and trade-offs

Implementation

  • Implemented bounded execution, membership updates, causal CRDT state, durable recovery and authenticated node communication.
  • Added three-node Kubernetes verification, telemetry, chaos scenarios, image signing, SBOM output and a reproducible release path.

Failure modes and controls

  • Deadlines constrain slow-node impact.
  • etcd membership drives routing updates.
  • Durable state supports restart recovery.

Delivery and operations

  • Local Kubernetes lifecycle
  • Temporary EKS lifecycle verified then destroyed
  • mTLS, telemetry, image signing and SBOM

Engineering trade-offs

  • Causal convergence supports available replicated state but is not a substitute for consensus semantics.
  • Temporary cloud verification limits cost and permanence while preserving lifecycle evidence.

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