nanog mailing list archives

Re: VoIP QOS best practices


From: Bill Woodcock <woody () pch net>
Date: Mon, 10 Feb 2003 09:58:08 -0800 (PST)


    > However, its important that the backbone is operating "properly" ie not
    > saturated which I think should be the case for all network operators, theres a
    > requirement tho if the customer has a relatively low bandwidth tail to the
    > network which is shared for different applications, its probably a good idea to
    > make sure the voip packets have higher priority than non-realtime data... (this
    > last comment is a suggestion, I've not actually tested this in a real
    > environment, low b/w lab tests tend to exclude other traffic flows)

We've got plenty of the INOC-DBA phones on the ends of congested satellite
tail-circuits, and don't really have significant trouble.  As has been
pointed out, the VoIP traffic may be stomping all over TCP traffic on the
same links, but it _sounds_ good.  :-)

                                -Bill



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