If TCP vegas enabled, still need QOS?

Discussion in 'Tomato Firmware' started by benny.shen, Oct 21, 2009.

  1. benny.shen

    benny.shen LI Guru Member

    I read on some thread, if TCP vegas is enabled, the regular QOS can be turned off. Is this true?
  2. phuque99

    phuque99 LI Guru Member

  3. Azuse

    Azuse LI Guru Member

    No. Qos controls the order of traffic leaving the lan, Tcp-vegas is a congestion control algorithm which ensures traffic continues to flow when the line is under load but has absolutely no control over the priority of data. It works but keeping packets buffered, which means it also adds to latency slightly.

    It doesn't replace qos, but it can work well with it. I'd only use it if i knew my uplink would be under heavy load most of the time, otherwise I don't think the increased latency is worth the trade off but that's personal opinion.

    The DD-WRT users swear they won't go back to qos after using it, but if you tried DD-WRTs qos you wouldn't want to go back to it after using tomato :)
  4. rhester72

    rhester72 Network Guru Member

    Vegas does nothing of value on Tomato. Ignore it.

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