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Re: [Xen-devel] TCP communications between DomUs


  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: George Shuklin <george.shuklin@xxxxxxxxx>
  • Date: Thu, 25 Nov 2010 13:01:54 +0300
  • Delivery-date: Thu, 25 Nov 2010 02:02:20 -0800
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Faster network between dom's on single host is well known feature. There
is no CRC calculation during pure-virtual networking, and no any
interrupts from hardware, so it fast. 

Ð ÐÑÐ, 25/11/2010 Ð 17:44 +0800, Chu Rui ÐÐÑÐÑ:
> Hi, 
> In our recent experiment, we have found that the TCP communication
> between two processes on different DomUs(within the same physical
> machine) performs better than expected. We wonder if the communication
> does not go through the backend driver in Dom0 at all. It is easy to
> image, but I am not sure since I have not read the related source code
> yet. Could anybody make me a confirmation? Thanks!
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel



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