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[Xen-devel] Role of Xen/Xenolinux in New IO networking

from [Barry Silverman]

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Subject:	[Xen-devel] Role of Xen/Xenolinux in New IO networking
From:	"Barry Silverman" <barry@xxxxxxxxx>
Date:	Wed, 31 Mar 2004 21:38:37 -0500
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I know I have asked this before, but I am having trouble understanding the role of each component in the new 1.3 world:

In 1.3 networking if Xen has no devices, and domain 0 owns and operates the NIC – does Xen have any role at all in networking for the guest OS’s?

Which network device driver will a guest OS use?

Do all the vnetif rules defined in Domain 0 now get interpreted by Domain 0 vnet driver? Or still by Xen?

How do the actual packets (that will be routed to a guest) flow from the physical NIC – (received by a domain 0 driver, routed/filtered by ???, passed over a evtchn to a guest driver?)

Barry Silverman

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