Reference Views
Authoritative reference tables for BSS/OSS architecture. Designed for screenshots, presentations, and quick lookups.
Who Owns What
Entity ownership by System of Record (SoR), System of Engagement (SoE), and System of Reference (SoRef) — aligned to TM Forum SID boundaries.
| Entity | Domain | SoR (System) | SoE | SoRef | TMF API | Notes |
|---|---|---|---|---|---|---|
| Customer | BSS | CRMParty Management | Portal, Retail POS | Billing, SOM | TMF632 | Includes individual and organisation parties |
| Account | BSS | CRMAccount Management | Portal, Retail POS | Billing | TMF666 | Billing accounts may be separate entities in billing system |
| Contact | BSS | CRMParty Management | Portal | — | TMF632 | — |
| Product Offering | BSS | Product CatalogCatalog Management | CPQ, Portal | COM, Billing | TMF620 | What can be sold — includes pricing, rules, and bundling |
| Product Specification | BSS | Product CatalogCatalog Management | — | Service Catalog | TMF620 | Defines the structure; offerings reference specifications |
| Commercial Order | BSS | COMOrder Management | CRM, Portal | Billing | TMF622 | Customer-facing order with commercial line items |
| Product Instance | BSS | Product InventorySLM / Product Inventory | CRM (read-only) | Billing | TMF637 | Active subscriptions — what the customer has today |
| CFS Specification | SERVICE | Service CatalogService Design | — | SOM | TMF633 | Customer-Facing Service definitions and decomposition rules |
| Service Order | SERVICE | SOMService Order Management | — | COM (status callback) | TMF641 | Orchestrates CFS→RFS decomposition and sequencing |
| Service Instance | SERVICE | Service InventoryService Inventory | SOM (lifecycle) | CRM, Assurance | TMF638 | Active service records — linked to product instances |
| Trouble Ticket | SERVICE | Trouble TicketingAssurance / Service Desk | CRM, Portal | — | TMF621 | Links to affected service and resource instances |
| RFS Specification | RESOURCE | Resource CatalogResource Design | — | ROM | TMF634 | Resource-Facing Service specs — maps to network config |
| Resource Order | RESOURCE | ROMResource Order Management | — | SOM (status callback) | TMF652 | Drives activation adapters and network provisioning |
| Resource Instance | RESOURCE | Resource InventoryResource Inventory | ROM (lifecycle) | SOM, Assurance, Planning | TMF639 | Physical and logical resources — ports, VLANs, IPs, VNFs |