Mandelbaum, Avishai; Reiman, Martin I. - In: Management Science 44 (1998) 7, pp. 971-981
We view each station in a Jackson network as a queue of tasks, of a particular type, which are to be processed by the associated specialized server. A complete pooling of queues, into a single queue, and servers, into a single server, gives rise to an M/PH/1 queue, where the server is flexible...