Review of traffic scheduler features on general purpose platforms

Authors:
Eduardo Magaña;Edurne Izkue;Jesús Villadangos
Affiliations:
Universidad Pública de Navarra, Campus de Arrosadia, Pamplona, Spain;Universidad Pública de Navarra, Campus de Arrosadia, Pamplona, Spain;Universidad Pública de Navarra, Campus de Arrosadia, Pamplona, Spain
Venue:
ACM SIGCOMM Computer Communication Review - Workshop on data communication in Latin America and the Caribbean
Year:
2001

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Abstract

In this study, we review the features of a traffic scheduler running on a general-purpose platform, specifically a PC with a Linux operating system. The traffic scheduler was configured to manage a CBQ (Class Based Queueing) queue discipline, and by means of a series of experiments, we proved that the limitations of the system are due to the accuracy of the clock. After we modified this factor, we reviewed the features of the scheduler again. We were able to prove that the features of the scheduler improve greatly at the expense of a very small increase (around 10%) in the use of the system's CPU.