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Re: [Xen-devel] what's maximum speed setting for xen network?
| To: | Xin Zhao <zhaoxin@xxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] what's maximum speed setting for xen network? |
| From: | Kip Macy <kip.macy@xxxxxxxxx> |
| Date: | Wed, 20 Apr 2005 21:09:45 -0700 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 21 Apr 2005 04:10:10 +0000 |
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| Reply-to: | Kip Macy <kip.macy@xxxxxxxxx> |
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Machine local networking is something that is currently not handled
well by xen. One ends up context switching for every packet sent. I
believe this is on the TODO list.
-Kip
On 4/20/05, Xin Zhao <zhaoxin@xxxxxxxxxxxxxx> wrote:
> For a physical network card, it has a maximum transmission speed such as
> 100Mb. How about network in a virtual machine? It is a virtual network
> card. Is there any speed limit? Or it can transmit as fast as possible? If
> so, I guess network transmission happened within a physical host should be
> very fast (great than 100Mb). But this is not true in my experiment.
> What's the bottleneck then?
>
> Thanks in advance for your advice.
>
> Xin
>
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