Hi Ole, all, Before initiating a WGLC for this document, I guess there is a pending discussion point: what to do with MAP1:1 mode.
Cheers, Med >-----Message d'origine----- >De : [email protected] >[mailto:[email protected]] De la part de Ole Troan >Envoyé : mercredi 13 février 2013 09:07 >À : Tom Taylor >Cc : Softwires >Objet : Re: [Softwires] MAP-04: BMR and forwarding rules > >I agree with Tom's proposed changes. >I'll put them in a upcoming revision 05, if no-one objects. >(I still think we can do a WGLC on revision 04). > >cheers, >Ole > > >> Remark: I'm not sure the two bullets (quoted further down) >tell the full story as they stand. I propose to modify them as follows: >> >> 1. Basic Mapping Rule (BMR) - mandatory. There can only be one >> Basic Mapping Rule per End-user IPv6 prefix. In combination >> with the End-user IPv6 prefix, the Basic Mapping Rule is used >> to derive the IPv4 prefix, address, or shared address and >> the PSID assigned to the CE. >> >> 2. Forwarding Mapping Rule (FMR) - optional, used for forwarding. >> The Basic Mapping Rule is also a Forwarding Mapping Rule. Each >> Forwarding Mapping Rule will result in an entry in the Rules >> table for the Rule IPv4 prefix. Given a destination >IPv4 address >> and port within the MAP domain, a MAP node can use the matching >> FMR to derive the End-user IPv6 address of the >interface through >> which that destination address-port combination can be reached. >> >> >> On 12/02/2013 9:22 AM, Ole Troan wrote: >>> Tom, >>> >>>> Thanks. What about the assertions in the bullets? >>> >>> sorry, may be my short term memory... what do you mean? >>> >>> cheers, >>> Ole >>> >>> >>>> >>>> On 12/02/2013 3:27 AM, Ole Troan wrote: >>>>> Tom, >>>>> >>>>>> I'm still hoping to see a response to this. >>>>>> >>>>>> On 06/02/2013 8:42 AM, Tom Taylor wrote: >>>>>>> Section 5 of the latest version of MAP has the following: >>>>>>> >>>>>>> 1. Basic Mapping Rule (BMR) - mandatory, used for >IPv4 prefix, >>>>>>> address or port set assignment. There can only >be one Basic >>>>>>> Mapping Rule per End-user IPv6 prefix. The >Basic Mapping Rule is >>>>>>> used to configure the MAP IPv6 address or prefix. >>>>>>> >>>>>>> 2. Forwarding Mapping Rule (FMR) - optional, used >for forwarding. >>>>>>> The Basic Mapping Rule is also a Forwarding >Mapping Rule. Each >>>>>>> Forwarding Mapping Rule will result in an entry >in the Rules >>>>>>> table for the Rule IPv4 prefix. >>>>>>> >>>>>>> Question: there will always be a BMR. In the absence of >additional >>>>>>> rules, how does a CE know whether it can use the BMR >for forwarding or >>>>>>> must always use the default rule? >>>>> >>>>> the answer to that is in section 7, last bullet. >>>>> >>>>> that is, the MAP CE must be configured to be in hub and >spoke mode or mesh mode. >>>>> which mode it is in decided if the BMR is used for >forwarding or not. >>>>> >>>>> cheers, >>>>> Ole >>>>> >>>>> >>> >>> >> _______________________________________________ >> Softwires mailing list >> [email protected] >> https://www.ietf.org/mailman/listinfo/softwires > >_______________________________________________ >Softwires mailing list >[email protected] >https://www.ietf.org/mailman/listinfo/softwires > _______________________________________________ Softwires mailing list [email protected] https://www.ietf.org/mailman/listinfo/softwires
