The Operational Analysis of Queueing Network Models
ACM Computing Surveys (CSUR)
A study of multiaccess computer communications
AFIPS '69 (Spring) Proceedings of the May 14-16, 1969, spring joint computer conference
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The basic traffic parameters involved in the analysis of a packet-switching network and its nodes are identified. The paper considers a virtual call of the CCITT X.25 protocol to derive the basic flow in a network. Traffic offered to the various hierarchical levels of the network depends on the information increase imposed by the protocol. Several efficiency levels are derived at different time levels, and are used to relate network traffic to user traffic. The sensitivities of these packet levels to packet size, packet delay and window size are evaluated for both interactive and batch traffic.