[address-policy-wg] IPv6 PI assignment policy
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Thomas Drewermann
thomas at freifunk-rheinland.net
Sat Jun 27 15:29:54 CEST 2015
Hello Ondřej, list, the Freifunk communities are not going to give /64 to end users. There will be one single IPv6 address leased to end users connecting to the wireless networks. In Regards to the alliance out of some freifunk communities to obtain a PA-block: I don't think it makes any difference if there are 8 more prefixes /32 (from PA) or /48 (from PI) in the DFZ. Count of prefixes in the DFZ would be the same for both scenarios. Since no Freifunk communities has the need for a /32 prefix that would be a waste of addresses. Besides the costs of a LIR membership won't be easy to afford event not for 8 communities. @Sascha Luck: I think the policy should reflect that as it does for IPv4. Speaking in IPv4 this problem would not have occoured: "IP addresses used solely for the connection of an End User to a service provider (e.g. point-to-point links) are considered part of the service provider's infrastructure." That problem has already been identified. (page 8) https://ripe69.ripe.net/presentations/72-APWG_RS_Feedback_Final.pdf Thanks, Thomas Am 19.06.2015 21:52, schrieb Ondřej Caletka: > Dne 19.6.2015 v 13:56 Thomas Drewermann napsal(a): >> Dear colleagues, >> >> we recently requested an IPv6 assingment on behalf of one Freifunk >> Community in germany. >> They wanted to be indipendent from us and to take routing decisions on >> their own. >> As they are a freifunk community some of the PI assigment would be used >> to lease addresses to clients/users. >> According to NCC the policy currently doesn't permit usage of PI space. > Hello Thomas, list, > > I'm not sure what networks typically a freifunk community network > oparates. But if it can be compared to a very small "ISP" with tens to > hundreds customers, than the PI assignment is not an option due to its > fixed size of /48 which is simply not enough. You are not going to give > a single /64 to customer, are you? > > On the other hand, if the freifunk only operates a few hot spots, > comparable to some Wi-Fi service in a restaurant, etc. then all > addresses can be in my opinion counted as a part of organisation > infrastructure so the PI rules would not be violated. > >> Small Hotspot providers and especially Freifunk communities typically >> can not afford a LIR Membership to be independent. In my opinion the >> current policy makes it hard to adopt IPv6 in such cases. > Everybody would like to be independent to have some back-up scenario if > something happen to their main uplink ISP. However, every new PI > assignment have a permanent negative impact on the global routing table. > I therefore think it is reasonable to have some limit for obtaining > independent resources such as the RIPE NCC membership fees. > > What if the freifunk communities formed an alliance and become a LIR as > a part of the alliance? It would lower the costs of becoming a LIR and > at the same time allow communities to get enough independent IPv6 > addreses that could be assigned to customers. > >> I'd like to propose a change of the policy to allow PI addresses to be >> used for clients which don't belong the assigment-holder. This clients >> are connecting to networks which use address space of the holders PI >> assignment e.g. via wifi. > I don't think it's a good idea. There is a reason why the usage of PI > addresses is restricted. I think your proposal would lead to a situation > where everybody uses PI addresses just-in-case even if they don't really > need them, thus flodding the global routing table. > > Best regards, > Ondřej Caletka > CESNET > >> The difference between an assignment is that there is a single address >> provided to walk in wifi users rather than a whole subnet delegated for >> usage by the connecting client/user/customer. >> >> How do you think about that situation? >> What would be your thoughts on such a proposal? >> >> Regards >> Thomas Drewermann >> Freifunk Rheinland e.V. >
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