Goal-Driven FTTx, PON & Last Mile
Service delivery, held as a goal — fibre faults predicted before the link drops
CraftWorld Access is the carrier-grade assurance and autonomy platform for the access network — FTTx/PON, fixed wireless, and business/leased-line access. It unifies the full access stack under a single control plane, correlating an ONT's optical health with its PON tree and OLT port to pinpoint the exact fault location rather than just the affected port. Operators declare the service goals they own — provisioning time, fibre MTTR, per-ONT availability, and mass-outage triage — and the Ritam AIOps engine holds them true: predicting fibre degradation before the link drops, localizing a fault to the exact network segment, and automating zero-touch provisioning on approval. The platform is multi-vendor and standards-based, and runs in production at Tier-1 scale.
Platform Overview
| Domain | Carrier access — FTTx/PON, fixed wireless, business/leased-line access |
| Control model | Declare service goals (provisioning time, fibre MTTR, per-ONT availability, mass-outage triage) → Ritam measures & holds them |
| Autonomy posture | Agentic-with-approval — zero-touch provisioning and ticket correlation execute autonomously; field dispatch and network change is proposed, dry-run, and approved |
| Positioning | Correlates the ONT, PON tree, and OLT as one — a fault is localized to the exact segment, not just the port |
| Delivery | SaaS or operator-cloud · augments incumbent OSS |
The Access Stack — Layer by Layer
CraftWorld manages five access layers, each monitored to KPI level and held to a declared service SLA:
- Business Access — leased-line & E-LINE/E-LAN circuits, CoS/QoS conformance, SLA counters
- Service / BNG — session state, authentication success, per-subscriber QoS, zero-touch provisioning
- FTTx / PON — per-ONT optical power & error rate, ranging, branch health, per-ONT availability held above 99.9%
- OLT — chassis and port health, uplink status, failover and traffic re-homing
- Fibre Plant / ODN — end-to-end optical loss, per-segment attenuation, fault localization to the exact segment
Autonomous Capabilities
Predictive fibre-cut localization — the platform learns each fibre branch's optical-loss signature; a change in signal outside the learned baseline predicts a splice or bend failing 30–60 minutes ahead, localized to the exact segment rather than just the OLT port. Field crews can be dispatched to the precise break point before mass customer impact.
Zero-touch provisioning — a new service order is turned up without a truck roll: the device is auto-discovered, validated, and provisioned end to end in under 40 minutes.
Mass-outage triage — when a feeder or splitter fails, hundreds or thousands of simultaneous device alarms are correlated to a single common parent in under 15 minutes, so the field team is sent to one fault, not a flood of individual tickets.
Cross-layer root cause — optical, PON tree, and OLT port telemetry are bound into one causal graph, pinpointing the exact failing segment in under 60 seconds.
Telemetry & Execution
Every automated action — ONT re-provisioning, ranging reset, OLT failover, fault-to-segment dispatch — is dry-run, approval-gated, audited, and reversible.
| Category | Protocols / Interfaces | Used For |
|---|---|---|
| ONT / device management | OMCI (G.988), TR-069/TR-369 (USP) | ONT provisioning, config, firmware |
| Model-driven config | NETCONF/YANG, RESTCONF | OLT & BNG config, autonomous provisioning |
| Streaming & polling | gNMI/gRPC, SNMP, syslog | OLT/PON counters, alarms, telemetry |
| Optical / plant | OTDR integration | Fibre-plant loss, distance-to-fault |
| Access standards | TR-101/TR-156, BNG (PPPoE/IPoE) | Access-node architecture, session management |
| Northbound | REST, GraphQL, Kafka, webhooks | Goal console, OSS/BSS provisioning |
Multi-Vendor Interoperability
One control plane across a mixed-vendor access estate — standards-based, no rip-and-replace.
| Layer | Vendors (Representative) |
|---|---|
| OLT / ONT (PON) | Nokia · Huawei · ZTE · Calix · ADTRAN · DZS · Ribbon |
| Fixed wireless / BNG | Cambium · Tarana · Cisco BNG · Juniper BNG |
| Assurance & OAM | OMCI (G.988) · TR-069/TR-369 · Y.1731 · OTDR · TR-101/156 |
Deployment & Scale
| Platform | Cloud-native microservices, Kubernetes-ready, horizontally scalable, high-availability |
| Deployment models | Operator private cloud, public cloud, hybrid |
| Availability | Per-ONT availability > 99.9% (production record) |
| Onboarding | Phased — baseline (read-only) → performance-guaranteed PoC → autonomous coverage |
Security & Governance
| Authentication | SSO / SAML, OIDC, MFA, directory federation |
| Authorization | RBAC, least-privilege action scopes, segregation of duties, maintenance windows |
| Action safety | Dry-run preview, approval gates, automated rollback, full immutable audit log |
| Data protection | TLS 1.2+ in transit, encryption at rest, tenant isolation |
Standards & compliance
ITU-T (G.984 GPON, G.9807 XGS-PON, G.988 OMCI) · Broadband Forum (TR-069/TR-369 USP, TR-101, TR-156) · IETF NETCONF/YANG, gNMI · ITU-T Y.1731 OAM.
Part of the CraftWorld carrier suite — Transport, Mobility, and Access under one goal-driven control plane, with Ritam as the common AIOps engine, proven in live carrier production.
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