Re: [Vserver] ip count

From: Herbert Poetzl <herbert_at_13thfloor.at>
Date: Thu 14 Sep 2006 - 21:07:09 BST
Message-ID: <20060914200709.GA12165@MAIL.13thfloor.at>

On Thu, Sep 14, 2006 at 12:44:30PM -0400, Chuck wrote:
> On Thursday 14 September 2006 12:18, Bruno wrote:
>
>
> oh .. to complete the explanation on our systems a guest would never
> address more than a single /24 but with the limitation that has to be
> divided among a gazillion guests instead..

last time I checked, a /24 (or class C network) had 256
addresses (with 254 usable for ips) not a gazillion :)

this aside, we will add it soon, but you can (for now)
just apply one of the 64address patches, to kernel and
tools, as I doubt it will cause much overhead ...

HTH,
Herbert

> > On Thursday 14 September 2006 16:27, Chuck wrote:
> > > someone mentioned the possibility of getting a setup on current
> > > vserver code that would take a /24 network and not have much if
> > > any slowdown.. has this ever been realized?
> >
> > I did some coding in that direction, but patch is not finished yet.
> > Hopefully I will get some more time after next week do continue
> > coding on it.
> >
> > My direction is assigning address elements to guests, either single
> > addresses or groups of addresses as range or mask. When there
> > is more than a single such item, on additional is created that
> > itentifies the complete range contaning the addresses of a guest.
> > Thus two guests with 20 IPs spread over two different /24 networks
> > wil be seen as a single range for most check wether IP is part of
> > the guest's address-space. Only on match of that outer boundary
> > checking of the idividual addresses or the guest is done. Mostly
> > missing is the handling of broadcast...
> >
> > Bruno
> > _______________________________________________
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> > Vserver@list.linux-vserver.org
> > http://list.linux-vserver.org/mailman/listinfo/vserver
> >
>
> --
>
> Chuck
>
> "...and the hordes of M$*ft users descended upon me in their anger,
> and asked 'Why do you not get the viruses or the BlueScreensOfDeath
> or insecure system troubles and slowness or pay through the nose
> for an OS as *we* do?!!', and I answered...'I use Linux'. "
> The Book of John, chapter 1, page 1, and end of book
>
>
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Received on Thu Sep 14 21:08:36 2006

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