Fwd: MAXSAVEDBLOCKS in netinet/tcp_sack.c

Dunceor . dunceor at gmail.com
Sat Jul 9 07:57:05 PDT 2005


>
>
>---------- Forwarded message ----------
>From: Joerg Sonnenberger <joerg at xxxxxxxxxxxxxxxxx>
>Date: Jul 5, 2005 2:47 PM
>Subject: Re: MAXSAVEDBLOCKS in netinet/tcp_sack.c
>To: kernel at xxxxxxxxxxxxxxxxxxxxxxx
>
>
>On Tue, Jul 05, 2005 at 02:08:50AM -0700, Matthew Dillon wrote:
>>     Ouch.  Dummynet is probably not the best solution.  Actually, what
>>     I would do is buy a cisco with a relatively recent IOS and run
>>     fair-queue or RED, but if that isn't in the cards then I recommend
>>     playing around with Packet Filter (pf).  It has a number of queueing
>>     solutions.  I haven't used PF much myself so I don't know if it can
>>     do RED, but I believe it does have a fair-queueing mechanism.
>
>It's not PF, but ALTQ. ALTQ certainly support RED, it's very easy to setup.
>PF is only used as interface for the queue setup and the tagging to decide
>which queue discipline to use.
>
>Joerg

Just a note, since OpenBSD 3.3 ALTQ is intigrated into ALTQ so I guess
all later copies of PF on Free/DF should have ALTQ initgrated also.
I think it supports RED also.
Read more here: http://www.openbsd.org/faq/pf/queueing.html

Sorry a few days late but better late than never :)

// Dunceor






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