Re: BSD net stack

FreeBSD is definitely the way to go. Dragonfly BSD's threading model  
prohibits process migration, etc. We had decided, I believe, that we  
were interested in porting the FreeBSD stack, possibly using the  
netgraph system as the first poster noted. That said, most net team  
developers have no time, so if you're interested...
-Nathan

On Jul 20, 2005, at 7:17 AM, Jonas Sundström wrote:

> Hi everyone,
>
> I heard rumours that Haiku might be looking at a BSD stack,
> so I just want to pipe up that Net-, Free- and DragonFly BSD
> have 3 very distinct locking (/threading) models.
>
> I would expect all 3 stacks to be of the same great quality,
> but one of them is bound to better fit into Haiku than the others.
>
> I'm no BSD expert but I believe this is the case:
>
> NetBSD and OpenBSD:
> - crude SMP -- global kernel lock
> - easy to port?
>
> FreeBSD:
> - reentrant kernel -- fine grained locking
> - hard to port?
> (lots of locking code)
>
> DragonFly BSD:
> lockless SMP (I'm not sure what to call it)
> - threaded net stack
> - hard to port?
> (probably depends on DragonFly's LWKT, etc.)
>
> I'm far from a BSD expert, so please do correct me
> if there's anything wrong in the above.
>
> FWIW,
> Jonas Sundström.                www.kirilla.com
>
>
>
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