This is an old revision of the document!
Crossings TV currently uses Etere to manage Traffic & Billing
graph TD;
Programs -->|1:M| Commercial_Breaks; Commercial_Breaks -->|1:1| Programs; Commercial_Breaks -->|1:M| Advertisements; Advertisements -->|M:1| Commercial_Breaks; Advertisers -->|1:M| Contracts; Contracts -->|1:1| Advertisers; Contracts -->|M:M| Advertisements; Advertisements -->|M:M| Contracts; Invoices -->|1:1| Contracts; Contracts -->|M:1| Invoices; Payments -->|1:1| Invoices; Invoices -->|M:M| Payments;
</mermaid>