Hi Satoru, In addition to my previous email (not the one you last replyed): DHCPv4 over IPv6 will create/refresh the per-subscriber state. And LW4over6 features to keep it dynamic(on demand).
Thanks, Qi On Wed, Jun 27, 2012 at 7:42 PM, Qi Sun <[email protected]> wrote: > Hi Satoru, > > Please see inline :) > > Qi Sun > > On Wed, Jun 27, 2012 at 6:27 PM, Satoru Matsushima < > [email protected]> wrote: > >> Qi, >> >> On 2012/06/27, at 19:01, Qi Sun wrote: >> >> > >> > [Qi] DHCPv4 over IPv6 is a provisioning method. And it's about the >> public IPv4 address allocation, NOT about IPv4 address and IPv6 address >> mapping. So there is no state. Please read the draft of DHCPv4 over IPv6 >> for clarification. >> > LW4over6 needs to maintain the binding table on TC. That's stateful. >> >> That sense is 'stateless' in my mind if there's no DHCP state in the BR. >> >> [Qi] What discussed here is about states on data plane, aka the v4-v6 > addressing binding(please refer to joel's email). The binding table could > be dynamic(on-demand) or static. > > >> > Actually in MAP 1:1 mode there will be a binding table right? Here >> comes the question: what will you do if there are new comers or some users >> leaving the network? >> >> it is just an operation in provision. Now I find that LW46 could be >> possible to merged with MAP, or vice versa. thanks. >> > > > [Qi] LW4over6 is a solution targeting at the per-user stateful/binding > scenario, pure and clear. > MAP is originally targeting at pure stateless/alogrithmic address mapping > scenario, and then comes > to this 1:1 mode due to the theoretical corner case of EA-bits=0, according > to you guys. > While I believe the main targets are differnt and paralled > (actually two out of three in 4-over-6 case, > with the 3rd one per-session stateful), I don't think merging is the proper > way to proceed. > > Thanks, > Qi > >> >> cheers, >> --satoru > > >
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