Pierre,
Thanks for the reply.
Le 30/01/2014 13:46, Pierre Pfister a écrit :
Le 30 janv. 2014 à 13:38, Alexandru Petrescu
<[email protected]> a écrit :
Le 30/01/2014 13:28, Ole Troan a écrit :
Could it be separate (existing) protocol?
if one had existed, sure. requirements from homenet-arch (I
might have missed some): - must support multi-homing - each
link should be assigned a stable prefix - efficient
allocation of prefixes - should support both IPv4 and IPv6
I meant this:
loosely coupled ---- separate (existing DHCPv6-PD) protocol
triggering route updates to the routing protocol.
yes, DHCP PD comes up as a proposed solution quite frequently. I
just don't see how you can make DHCP PD fulfill the
requirements.
Well it does support multi-homing (Server allocates things to as
many interfaces as needed), each link can be assigned a stable
prefix (provided it triggers updates to the Routing protocol), the
allocation is efficient (Server maintains dynamic databases,
leases) and it supports both IPv4 ('IPv4 subnet allocation'
RFC6656, DHCP transition et alia), and IPv6.
I miss something?
Well, in some cases DHCP seems to work, but not when you start
imagining multi-homed networks with multiple routers. Or maybe you
can tell me how to solve this situation with DHCP:
You have ISP1 connected with Router 1. ISP2 connected with Router 2.
Router 1, Router 2, and a third Router (Router 3), are connected on
the same link. ISP1 is delegated the prefix A/56 to Router 1. ISP2
is delegating the prefix B/56 to Router 2.
A host is connected behind Router 3.
Bear with me for a moment... is this topology what you meant?
ISP1 ISP2
| |
+-------+ +-------+
|Router1|A/56 |Router2|B/56
+-------+ +-------+
| |
--+-------+----------+--
|
|
+-------+
|Router3|
+-------+
|
+----+
|Host|(how can it get an address from A, and from B)
+----+
How can it get addresses from both prefixes ?
Before I try to figure it out - is the above topology what is meant?
Something I misplaced?
Alex
Cheers,
Pierre
Alex
cheers, Ole
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