On Sat, Nov 03, 2007 at 02:08:00AM +0100, Vincent Riquer wrote:
> L'adressage est hiérarchique, ce qui fait que les tables de routage sont
> plus petites
Evidemment, personne ne fera de multi-homing en IPv6.
Dans un monde parfait, seuls les operateurs pourvoieront aux besoins
d'adressage des clients en allouant des /48 aggrégés dans leurs /32.
Belle fiction...
* la décision de l'ARIN concernant les adresses PI :
http://www.arin.net/policy/proposals/2005_1.html
* Report from the IAB Workshop on Routing and Addressing (RFC4984) :
3.2. IPv6 and Its Potential Impact on Routing Table Size
Due to the increased IPv6 address size over IPv4, a full immediate
transition to IPv6 is estimated to lead to the RIB and FIB sizes
increasing by a factor of about four. The size of the routing table
based on a more realistic assumption, that of parallel IPv4 and IPv6
routing for many years, is less clear. An increasing amount of
allocated IPv6 address prefixes is in PI space. ARIN has
relaxed its policy for allocation of such space and has been
allocating /48 prefixes when customers request PI prefixes. Thus,
the same pressures affecting IPv4 address allocations also affect
IPv6 allocations.
--
Jean Benoit
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