Re: Load Balancing Outgoing, its possible ?

From: Daniel Dias Gonçalves (daniel_at_dgnetwork.com.br)
Date: 10/28/05

  • Next message: Corey Smith: "Re: Load Balancing Outgoing, its possible ?" 
    Date: Fri, 28 Oct 2005 14:03:26 -0200
To: Corey Smith <csmith@bonddesk.com>, freebsd-net@freebsd.org, freebsd-ipfw@freebsd.org, freebsd-pf@freebsd.org

    Corey Smith escreveu:

    >On Fri, 2005-10-28 at 17:19 +0200, G Bryant wrote:
    >
    >
    >>Daniel Dias Gonçalves wrote:
    >>
    >>
    >>
    >>>It is possible to make this balancing with the PF ? Exists some
    >>>software that I make this ? Zebra can help me?
    >>>This type of balancing gives to problems with the navigation of the
    >>>user of NAT or IP valid ?
    >>>If it is possible, wanted to see examples with rules.
    >>>
    >>>
    >>>
    >
    >It would be much better to do per flow load balancing then per packet.
    >With per packet your TCP flows will arrive out of order which is a bad
    >situation since it will lead to a large number of retransmissions and
    >zero-window acknowledgments.
    >
    >The only tunable to help correct that is to allow selective
    >acknowledgments.
    >
    >You are going to get much higher utilization on your load balanced lines
    >by using per flow with multiple TCP connections.
    >
    >Anybody know how to implement per flow load balancing in FreeBSD? Are
    >multiple default routes supported?
    >
    >It would be beautiful if you could put multiple routes with the same
    >metric into the kernel and then the kernel would enable per flow load
    >balancing of the routes...
    >
    >
    It would be very good if could make this.

    >-Corey Smith
    >
    >
    >
    >
    Which the solution? 

    -- 
Daniel Dias Gonçalves
DGNET Network Solutions
daniel@dgnetwork.com.br
(37) 99824809 
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  • Next message: Corey Smith: "Re: Load Balancing Outgoing, its possible ?"