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SubjectRe: [VLAN] Re: Should VLANs be devices or something else?

Ben Greear wrote:
>
> "David S. Miller" wrote:

> > Conceptually, svr4 streams are a beautiful and elegant
> > mechanism. :-)
> >
> > Technical implementation level concerns need to be considered
> > as well as "does it look nice".
>
> I found it to be the easiest way to implement things. It allowed
> me to not have to touch any of layer 3, and I did not have to patch
> any user-space program like ip or ifconfig.
>
> I'm not even sure if the nay-sayers ever had another idea, they
> just didn't like having lots of interfaces. Originally, there
> were claims of inefficiency, but it seems that other than things
> like 'ip' and ifconfig, there are no serious performance problems
> I am aware of.

There is the issue with netlink notification of large number of events.
See the mail thread starting from:
http://oss.sgi.com/projects/netdev/mail/netdev/msg01879.html
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