[address-policy-wg] Re: [ppml] article about IPv6 vs firewalls vs NAT in arstechnica (seen on slashdot)
JORDI PALET MARTINEZ jordi.palet at consulintel.es
Fri May 11 10:54:10 CEST 2007
If we want to avoid other entities acting as a central registry for ULA-central, then it is clear that the RIRs should do that, and for that, the only way is thru a policy. Regards, Jordi > De: Owen DeLong <owen at delong.com> > Responder a: <address-policy-wg-admin at ripe.net> > Fecha: Thu, 10 May 2007 23:12:21 -0700 > Para: "william(at)elan.net" <william at elan.net> > CC: Tony Hain <alh-ietf at tndh.net>, <vixie at vix.com>, <ppml at arin.net>, > "address-policy-wg at ripe.net" <address-policy-wg at ripe.net> > Asunto: [address-policy-wg] Re: [ppml] article about IPv6 vs firewalls vs NAT > in arstechnica (seen on slashdot) > > ULA Central is intended so that some subset of the internet can reliably > use it to interconnect while not being "globally" routed. > > The problem I have with this theory is that the delta between a > collection > of networks routing by mutual agreement and the internet is: > > A. Fuzzy > B. Non-Existant > C. There is no difference > D. Meaningless > E. Any and/or All of the above > > Pick your favorite answer from the above and you've pretty much got it. > If ULA central were limited to not exiting the local AS (in some > meaningful > way, like routers won't forward routes or traffic to ULA addresses to > external > adjacencies), then, I might see it as something other than an end-run on > the RIR process. However, in it's current state of "license for > anyone who > wants to run a competing RIR for networks that choose to interoperate > on this basis" I think it's a pretty bad idea. > > Owen > > > On May 11, 2007, at 12:03 AM, william(at)elan.net wrote: > >> >> I don't understand your point about why ULA need to be registered if >> its not going to be globally routed. Also PI is not the same as ULA - >> PI do come from RIRs and in IPv6 there was no way to get PI (except >> in a few special cases) until recent ARIN's micro-allocation policy. >> >> On Fri, 11 May 2007, Tony Hain wrote: >> >>> I agree that this will help inform the debate, and while Iljitsch >>> did a good >>> job of outlining the issue, he left out a significant point::: >>> People explicitly chose to be in the state of "as there is >>> currently no >>> obvious way to make services only available locally" by insisting >>> that the >>> local-scope addressing range have a global-scope as far as >>> application >>> developers were concerned. Now the application developers are >>> complaining >>> about the consequences of their choice, because the alternative to >>> 'no >>> routing path for an attack' is to insert a device that has to make >>> policy >>> decisions with limited information. >>> >>> The current ULA-central discussions will be directly involved in >>> this issue. >>> It is critical that all of the RIR's have policies establishing a >>> mechanism >>> for registering ULA-central prefixes & PI. For those who don't >>> recall, the >>> reason ULA-central was tabled was that it was seen as a potential >>> end-run to >>> acquire PI space in the absence of appropriate policy to do so out >>> of a >>> range recognized for global routing. >>> >>> The need for keeping some things local while others are global is >>> real, and >>> the lack of appropriate mechanisms to accomplish that through the >>> routing >>> system that is designed to deal with path selection leads to entire >>> industries for fragile work-arounds along with their increased >>> complexity. >>> >>> Tony >>> >>> >>>> -----Original Message----- >>>> From: ppml-bounces at arin.net [mailto:ppml-bounces at arin.net] On >>>> Behalf Of >>>> vixie at vix.com >>>> Sent: Thursday, May 10, 2007 9:59 PM >>>> To: ppml at arin.net >>>> Subject: [ppml] article about IPv6 vs firewalls vs NAT in >>>> arstechnica >>>> (seen on slashdot) >>>> >>>> i think that this article will help inform the debate around the >>>> ipv6 >>>> transition: >>>> >>>> http://arstechnica.com/articles/paedia/ipv6-firewall-mixed- >>>> blessing.ars >>>> _______________________________________________ >>>> This message sent to you through the ARIN Public Policy Mailing List >>>> (PPML at arin.net). >>>> Manage your mailing list subscription at: >>>> http://lists.arin.net/mailman/listinfo/ppml >>> >>> _______________________________________________ >>> This message sent to you through the ARIN Public Policy Mailing List >>> (PPML at arin.net). >>> Manage your mailing list subscription at: >>> http://lists.arin.net/mailman/listinfo/ppml >> _______________________________________________ >> This message sent to you through the ARIN Public Policy Mailing List >> (PPML at arin.net). >> Manage your mailing list subscription at: >> http://lists.arin.net/mailman/listinfo/ppml > ********************************************** The IPv6 Portal: http://www.ipv6tf.org Bye 6Bone. 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