Systems and methods that dynamically distribute status, cartridge movement and other types of requests and communications from a library manager to one or more libraries of a library string based on target or subject libraries in the requests. Upon receiving and/or generating a request, the library manager determines whether active connections (e.g., control paths) are available from the library manager substantially directly to the subject libraries and then distributes the requests over such active connections when available. When such active connections are unavailable, the library manager may distribute such requests over active connections to non-subject libraries which may forward such requests to the subject libraries via an inter-library communication interconnect.