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Tauran Bastien edited this page Apr 5, 2022 · 4 revisions

Quality of Service (QoS)

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Quality of Service (QoS) can be achieved for some configurations of OpenSAND:

For these configurations, QoS is based on the PCP field of the 802.1Q header of frames. The PCP field uses 3 bits, thus 8 different priorities can be assigned to the frames, the default one being priority zero (Best Effort).

Scripts are given in the QoS-capable configurations to allow a mapping between IP fileds (ToS, DSCP, adresses, ports, etc.) and PCP priorities. Complete explaination of these scripts is given alongside the Makefiles, for example here for the IP configuration.

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