Any operator wired/wireless/whatever can deploy dual stack and NAT/CGN, and there is abundant evidence of that. Equally well, any operator can deploy stateless (once we actually have it) Some may also choose to do a mix. Some may do neither... In fact this is what is said to be an operator's choice.
-Woj. On 1 August 2011 17:24, Rémi Després <[email protected]> wrote: > Cameron, > > Thanks for the clarification. > More below. > > Le 1 août 2011 à 16:33, Cameron Byrne a écrit : > ... > > > Some providers may indeed prefer to have only a stateless solution, > especially in for DSL networks where ISP's provide CPE's, but there is no > technical reason preventing both solutions to coexist > > ... > > Many, if not most, 3gpp users get rfc1918 or bogon public addresses today. > Giving my users public addresses using 4v6 stateless probably does not make > sense for me or many similar mobile operators. ... there are not enough > public address to give these users (growth through 2015) each 2000 ports. > > I don't se a significant disagreement here. > > If you have an overwhelming need for dynamic port sharing, it has to be > faced, and you will go for CGN's. I don't argue against this. > > Some other operators may however have different constraints, and should be > permitted to operate whatever simpler solution applies to their case. > > Note that one can expect that in 2015 users should work mostly, if not > exclusively in IPv6, so that their need should be well well below 2000 IPv4 > ports for each. > > This is just a 3gpp data point, since the draft chooses to include 3gpp as > motivation. > > I appreciate that, and agree that the case for stateless A+P mapping is > clearer for DSL and optical fibers than for 3GPP > > > Regards, > RD > > > > > _______________________________________________ > Softwires mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/softwires > >
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