Hi all,

  I write to this list as its full of networwing experts.

  A client asked if it was possible to replace a very expensive QoS
appliance with a Linux box to make QoS on a big network. Sustained
traffic is around 400Mbps and they need around 1000 QoS classes.

  Some thoughts on this:

  1) Of course we will purchase the fastest box we can find around, dual
xeon and such.

  2) As the system runs as a bridge we are kind of scared to use 2.6
kernel as it seems quite unstable in that mode.

  3) Instead of using standard QoS clasdsification (linear) we were
thinking about using clasiffy target in shorewall and use all its "zone 
decission tree" power. That way, we stll have all those classes but are 
not read linearly but some logic is applied in the tree.

  4) As this box ideally would include a netflow probe, we were thinking
about using pf_ring kernel patch. Any experience in the list using this
patch with a system that is both a probe and QoS?

  5) We were thinking about using hipac, but we dont know if it supports
clasiffy target, do you know if it does?

  Any ideas will be REALLY appreciated.

  Thanks in advance. Regards.

-- 
Jaime Nebrera - [EMAIL PROTECTED]
Consultor TI - ENEO Tecnologia SL
Telf.- 619 04 55 18



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