On Friday 06 June 2003 21:26, Michael Ulitskiy wrote:
> On Friday 06 June 2003 02:40 pm, you wrote:
> > On Friday 06 June 2003 18:30, Michael Ulitskiy wrote:
> > > Hi,
> > >
> > > I'm wondering if there's any simple classfull queue like prio that
> > > supports at least 256 bands? I don't care about priomap or some
> > > additional functionality, I just want to divide traffic in 256 bands
> > > using hashing filters using as least resources as possible. I
> > > understand I can do that with htb for example, but I guess htb is much
> > > more resourse-consuming.
> >
> > Why do you think so? I think you will surprised how many active classes
> > an old 486 can handle. It also depends on the maximum bandwidth the box
> > has to shape.
>
> I think so because unlike simple prio queue htb has to maintain some timers
> and counters and buffers. I'm not saying that htb is heavy, but I'm quite
> sure that prio is lighter. I have to shape /19 at the moment and possibly
> more in the future. In this case I want to save as much resourses as
> possible and attach htb classes to the simple queue bands.
/19 means 2^32 hosts = 8192 hosts. I think a P2 can handle this load with no
problems. But it depends on the bandwidth it has to shape and the complexity
of the filters. I can do the test if you are interested.
> Has anyone tried just to change TC_PRIO_MAX and TC_PRIO_BANDS values in
> /usr/src/linux/include/linux/pkt_sched.h?
Nop.
Stef
--
stef.coene@xxxxxxxxx
"Using Linux as bandwidth manager"
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