A system for effecting communications among a plurality of devices situated in a plurality of domains employing differing operating protocols; the system including: (a) at least one topology agent situated in a source domain of the domains and configured for effecting operation of the system among the domains; (b) at least one negotiator agent situated between the source domain and a respective other domain and configured for selective coupling with a respective topology agent; the at least one negotiator agent implementing quality of service parameters provided by the respective topology agent to convey communications from the source domain to the other domain; and (c) a plurality of proxy agents; at least one proxy agent being situated in each respective other domain and configured for implementing quality of service policies received from the respective negotiator agent to effect the communications within the respective other domain.