El Tue, Apr 15, 2008 at 08:48:26AM +0200, [EMAIL PROTECTED] ens deleit� amb les
seg�ents paraules:
[...]
> Well, for one -- as I said -- the hypervisor could be completely
> transparent, just emulating the "real" device, so the subhurd doesn't
> even know it's not talking to the kernel. This is
Hi,
You replied off-list; I assume that was inadvertent...
On Wed, Apr 16, 2008 at 01:17:27AM +0200, zhengda wrote:
> [EMAIL PROTECTED] wrote:
>> Well, for one -- as I said -- the hypervisor could be completely
>> transparent, just emulating the "real" device, so the subhurd doesn't
>> even know
Hi,
On Sun, Apr 13, 2008 at 11:53:51PM +0200, zhengda wrote:
> As my understanding, the role of the BPF translator is to work as a
> guard between the user and the packet filter in the kernel.
Right.
As I said, I'm not sure whether it was originally meant as a guard, or
only for convenience...
Hi,
[EMAIL PROTECTED] wrote:
No, not really. Unlike the full network hypervisor, which I mentioned as
an alternative design, the BPF translator is only responsible for
setting the filter rules; the actual packets are still sent/received
through the kernel device directly...
But being in charge
Hi,
On Fri, Apr 11, 2008 at 10:50:22AM +0200, zhengda wrote:
> I have a question: why is it not safe for two pfinets to share one
> device? the communication between the device driver and pfinet is IPC.
> As long as IPC communication is safe, the device driver should be able
> to get all packets
[EMAIL PROTECTED] wrote:
And why do you not think it's an elegant solution?
Well, I generally dislike the idea of the packet filter in the kernel...
On one Hand, it is convenient that you can run multiple systems in
parallel (e.g. subhurds), and they don't need to know about each other
at
Hi,
On Thu, Apr 10, 2008 at 02:14:06PM +0200, zhengda wrote:
> What I mean is the mechanism provided by the packet filter provides us
> a possible solution. I don't expect it works now:-)
I see :-)
> As I can see, ether_filter in pfinet is hard coded. I think it's
> better to allow the user t
[EMAIL PROTECTED] wrote:
On Wed, Apr 09, 2008 at 11:45:15PM +0200, zhengda wrote:
In hurd, pfinet registers a filter when it open the ethernet device
(this ethernet device can be thought as a stub, right?), so it can
receive the packet it wants from the network.
Sorry, no idea what yo
Hi,
On Wed, Apr 09, 2008 at 12:49:28AM +0200, zhengda wrote:
> I read the code of pfinet, and find the implementation of TCP/IP stack
> is almost the same as the linux.
Indeed, it's the TCP/IP code from some older Linux version (2.0 I
think), only converted to run as a Hurd translator :-)
> pfi
[EMAIL PROTECTED] wrote:
Hi,
On Fri, Apr 04, 2008 at 06:00:38PM +0200, Zheng Da wrote:
So could you give me some more advices to help me get into the project
faster? For example, which article or which part of code should I read
first?
I think studying the interaction between the TCP
[EMAIL PROTECTED] wrote:
Hi,
On Fri, Apr 04, 2008 at 06:00:38PM +0200, Zheng Da wrote:
So could you give me some more advices to help me get into the project
faster? For example, which article or which part of code should I read
first?
I think studying the interaction between the TCP
Hi,
On Fri, Apr 04, 2008 at 06:00:38PM +0200, Zheng Da wrote:
> So could you give me some more advices to help me get into the project
> faster? For example, which article or which part of code should I read
> first?
I think studying the interaction between the TCP/IP stack (pfinet) and
the kern
Hi,
I'll try to do it, but it will take a little long time because I have a lot
of projects from my school these days.
So could you give me some more advices to help me get into the project
faster? For example, which article or which part of code should I read
first?
Best,
Zheng Da
On Fri, Apr 4
Hi,
On Tue, Apr 01, 2008 at 07:39:07PM +0200, zhengda wrote:
> There are two choices for me: to improve subhurds and to create a new
> subenvironments.
OK.
> In my understanding, Hurd is a set of servers which provide the
> services provided by the monolithic kernel before such as file
> syste
Hello,
I want to do the project of virtualization using Hurd mechanisms.
There are two choices for me: to improve subhurds and to create a new
subenvironments.
Here are the descriptions about them:
In my understanding, Hurd is a set of servers which provide the services
provided by the monolit
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