On 10/7/14 8:32 PM, "Tom Herbert" <[email protected]> wrote:

>You've reverted to posing the networking virtualization problem in
>terms of virtual machines which leads to a use case specific
>solution-- this is exactly the reason I suggested to not use the term.
>The general problem is not (virtual) machine migration, it is a
>problem of moving networking state between hosts and adapting the
>network to be aware of this.


That "networking" state when it is migrated from physical device-1 to
device-2, does not migrate alone; It takes along with it, all the
applications, connections and forwarding states. Those application expect
IP mobility and that moves the problem to the general category of
(virtual) machine migration.


Sri

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