Hi Francis, Yes, you are right. There is no explicit method in PCP to get the external IP address. You know we have both asked for it in early days of PCP but the WG consensus was that we can mimic this by using MAP with short lifetime.
As for your PS, this a discussion point for the PCP WG. Cheers, Med >-----Message d'origine----- >De : francis.dup...@fdupont.fr [mailto:francis.dup...@fdupont.fr] >Envoyé : jeudi 15 mars 2012 19:22 >À : BOUCADAIR Mohamed OLNC/NAD/TIP >Cc : draft-penno-softwire-sd...@tools.ietf.org; Softwires WG; >draft-cui-softwire-b4-translated-ds-lite >Objet : Re: [Softwires] draft-penno-softwire-sdnat vs. >draft-cui-softwire-b4-translated-ds-lite > > In your previous mail you wrote: > >> Med: Why you need an IPv4 address to run PCP? An implementation >> example would be as follows: >> >> * At bootstrap of the CPE, once an AFTR is discovered, use the Plain >> IPv6 PCP mode and the new opcode and options defined in >> http://tools.ietf.org/html/draft-tsou-pcp-natcoord-05#section-2 >> to retrieve an IPv4 address and set of port. > >=> the retrieval of the external address is a function which was >explicitely put out of PCP by the WG, for the second you'd like to use >an extension which was never discussed. To finish there is a difference >between discussing about getting the IPv4 address or getting it with >other parameters as port ranges, and my comment is only about the first >problem. > >Regards > >francis.dup...@fdupont.fr > >PS: I should add another dimension: do we want a solution for >DS-Lite or >a solution for DS-Lite, NAT44 or any other kind of IPv4 CGNs? > _______________________________________________ Softwires mailing list Softwires@ietf.org https://www.ietf.org/mailman/listinfo/softwires
