Bottom-up model
In the bottom-up model, each department's organization adds the main corporate organization as a member.
Key features
Each department can have its own Collection catalog with a unique administrator
Resources owned at the department-level are visible company wide
When a member is removed from the corporate organization, they also lose the inherited view access to each department organization
Can be used for department organizations that include contractors, clients, or others that should not have access to corporate resources - those third parties can be given view access to only the department
