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In this paper we discuss flow control in a resource-sharing computer network (1). The network resources consist of a set of inhomogeneous computers called Hosts that are geographically distributed and are interconnected by a store-and-forward communications subnet. Each Host is connected to a store-and-forward switching node called an Interface Message Processor or an IMP, which is located on or nearby its premises (2). IMPs are then interconnected by leased synchronous communication circuits to form the subnet.
Kahn et al. (Fri,) studied this question.