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    SubjectRe: [Xen-devel] [RFC PATCH 34/35] Add the Xen virtual network device driver.
    Date
    On Tuesday 09 May 2006 15:01, Herbert Xu wrote:
    > Christian Limpach <Christian.Limpach@cl.cam.ac.uk> wrote:
    > >
    > > There's at least two reasons why having it in the driver is preferable:
    > > - synchronizing sending the fake ARP request with when the device is
    > > operational -- you really want to make this well synchronized to keep
    > > unreachability as short as possible, especially when doing live
    > > migration
    > > - anybody but the guest might not know (all) the MAC addresses for which
    > > to send a fake ARP request
    >
    > Sure. However, what's there to stop you from doing this in user-space
    > inside the guest?

    I guess they don't trust user space. But the standard ipup script
    from iproute2 does this already so at least for modern distributions
    it should just work.

    -Andi
    -
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