Pf's 'borrowing'

[Nils Vogels]

Hi list,

I've been readin up on OBSD's pf and have seen that it supports two 
things that I really like.

Unfortunately, pf isn't available within the 4.x branch at this point, 
so I wonder if there are ways to achieve the same setup using 
ipfw/ipf/any other queueing mechanism as described below:

I would like to define one queue for my complete bandwidth, lets call it 
the MAIN queue, and it's 8Mbit/s in size.

Within this queue, I would like to specify, that my ssh application 
(tcp/22) receives 100kb/s of bandwith, but it may burst to the complete 
line if possible. This is queue SSH
The rest of the 7.9Mbit/s is available for any other application, that 
wants to use bandwidth. It may also use the 100kb/s of the SSH queue, 
unless SSH needs the bandwith. This is called the DUMP queue.

Any leads, hints, possibilities, URL's on the subject would be greatly 
appreciated.

Greetings,

Nils.

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