Add Azure AD for provisioning identities to another Azure AD tenant
Having multiple Azure AD Tenants is becoming more common for reasons like compliance. Therefore it would be helpful to be able to provision identities between two Azure AD tenants. The same identity could then be used to authenticate to both tenants.
Assuming Azure AD is itself SCIM compliant, it should be fairly straightforward to enable provisioning of users and groups between two Azure AD tenants. Identities could be used as B2B guests in the target tenant.