Hi Fred,
I think we should explore prefix delegation as well. I am not familiar enough
if router requirements for prefix delegation and thus would appreciate your
help - please describe a use-case and we can evaluate it.
I can also think of a use-case for mobile hosts and Sustained IP addresses:
In the past, I presented a scenario is which it is preferable to anchor an IP
flow in an anchor that is not necessarily the closest to the mobile node
(please refer to draft-aliahmad-dmm-anchor-selection-01). This situation can be
detected either by the network or by the mobile node.
If we want to enable mobile nodes to select a preferred anchor, we need to
provide means for mobile nodes to express the desired selection. One way is
enable mobile nodes to request a specific anchor by indicating an IP prefix
that was provided by that anchor in the past. This could be done by 'hinting'
the preferred IP prefix (rather than a specific IP address).
Clearly there is more work to be done on this draft and we are welcoming help
from anyone in the group. Can you help us with the router part?
Thanks,
/Danny
-----Original Message-----
From: dmm [mailto:[email protected]] On Behalf Of Templin, Fred L
Sent: Friday, April 03, 2015 21:13
To: [email protected]
Subject: [DMM] question on 'draft-moses-dmm-dhcp-ondemand-mobility'
Hi Danny and Alper,
In this draft, you seem to be considering only DHCPv6 address delegation for
when the node is acting as a mobile host. I am wondering if there are similar
considerations for DHCPv6 prefix delegation for when the node is acting as a
mobile router.
But then, I wonder whether any type of prefix delegation other than a fixed
prefix makes any sense. For example, if the mobile router received a nomadic
prefix delegation, would it need to renumber its connected networks every time
it moves and receives a new nomadic prefix?
Should this document discuss prefix delegation considerations for mobile
routers, or only address delegation for mobile hosts?
Thanks - Fred
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