1. An apparatus comprising: one or more virtual access aggregation devices; and a centralized management system communicatively interfaced to multiple access aggregation devices, at least one of which includes a plurality of physical ports to provide one or more broadband communication services to a plurality of remote broadband terminals via the plurality of physical ports; wherein the centralized management system is to: represent the plurality of physical ports at the multiple access aggregation devices communicably interfaced therewith to the one or more virtual access aggregation devices, wherein the plurality of physical ports are to be allocated to the one or more virtual access aggregation devices and to be linked to corresponding logical ports within the one or more virtual access aggregation devices; receive a request via a control interface to manage a logical port within a first virtual access aggregation device of the one or more virtual access aggregation devices, and send a notification via a management interface that a management selection specified by the request complies with operational constraints, and to manage the logical port in accordance with the request.