DBPapers
DOI: 10.5593/sgem2017/21/S07.003

A METHOD FOR ESTIMATING THE CAPACITY OF THE BUFFER MEMORY OF A ROUTER IN THE PRIORITY MANAGEMENT OF HETEROGENEOUS TRAFFIC WITH ARBITRARY DISTRIBUTION OF PACKET LENGTHS

L. A. Muravyeva-Vitkovskaya, I.V. Kalinin
Wednesday 13 September 2017 by Libadmin2017

References: 17th International Multidisciplinary Scientific GeoConference SGEM 2017, www.sgem.org, SGEM2017 Conference Proceedings, ISBN 978-619-7408-01-0 / ISSN 1314-2704, 29 June - 5 July, 2017, Vol. 17, Issue 21, 9-14 pp, DOI: 10.5593/sgem2017/21/S07.003

ABSTRACT

Building a telecommunications system based on routers allows you to use traffic prioritization to improve the quality of user traffic, regardless of network technology. This new feature, compared to networks built entirely on hubs, is a consequence of the fact that routers buffer packets before they are sent to another port. The router usually leads for each input and output port not one but several queues, each queue having its own processing priority. The efficiency of the network depends on the capacity of the internal buffer memory of the router, which is necessary for temporary storage of packets in cases where they can not be immediately transferred to the output port. To prevent packet loss during a brief multiple exceeding of the average traffic intensity, the only tool is the buffer of the corresponding capacity. Therefore, when designing a network router, it is important to determine the capacity of its internal buffer memory, in which the probability of its overflow is within the specified limits. The thesis proposes a method for estimating the buffer memory capacity when using the priority traffic management mechanism, based on a discipline with mixed priorities.

Keywords: queuing systems, simulation systems, computer network, priority management;

PAPER DOI: 10.5593/sgem2017/21/S07.003; A METHOD FOR ESTIMATING THE CAPACITY OF THE BUFFER MEMORY OF A ROUTER IN THE PRIORITY MANAGEMENT OF HETEROGENEOUS TRAFFIC WITH ARBITRARY DISTRIBUTION OF PACKET LENGTHS

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