Hi Ron,

RFC2473 tells how to do generic encapsulation in IPv6 in full detail; your
document does not do that. It therefore needs to either give full detail
for such things as hop limit, traffic class, flow label, etc. or (preferably)
cite RFC2473 normatively and explain any differences there may be.

Thanks - Fred
[email protected]

> -----Original Message-----
> From: Ronald Bonica [mailto:[email protected]]
> Sent: Tuesday, March 31, 2015 3:09 PM
> To: Templin, Fred L; [email protected]; [email protected]
> Cc: Zuniga, Juan Carlos; [email protected]; 
> [email protected]
> Subject: RE: [Int-area] Start of WGLC for draft-ietf-intarea-gre-ipv6
> 
> Fred,
> 
> RFC 2743 specifies a different kind of encapsulation.
> 
> It's clear that we disagree on this point. So, why don't we look to the rest 
> of the WG and defer to their will.
> 
>                                                                               
>                             Ron
> 
> > -----Original Message-----
> > From: Templin, Fred L [mailto:[email protected]]
> > Sent: Tuesday, March 31, 2015 4:32 PM
> > To: Ronald Bonica; [email protected]; [email protected]
> > Cc: Zuniga, Juan Carlos; [email protected]; 
> > intarea-
> > [email protected]
> > Subject: RE: [Int-area] Start of WGLC for draft-ietf-intarea-gre-ipv6
> >
> > Hi Ron,
> >
> > > -----Original Message-----
> > > From: Ronald Bonica [mailto:[email protected]]
> > > Sent: Tuesday, March 31, 2015 1:04 PM
> > > To: Templin, Fred L; [email protected]; [email protected]
> > > Cc: Zuniga, Juan Carlos; [email protected];
> > > [email protected]
> > > Subject: RE: [Int-area] Start of WGLC for draft-ietf-intarea-gre-ipv6
> > >
> > > What value would that citation add?
> >
> > RFC2473 already specifies IPv6 encapsulation, decapsulation, packet size
> > issues etc. in detail. The RFC2473 text should therefore be cited 
> > normatively,
> > and your document should only say how it is different and why.
> >
> > Thanks - Fred
> > [email protected]
> >
> > >                         Ron
> > >
> > >
> > > > -----Original Message-----
> > > > From: Templin, Fred L [mailto:[email protected]]
> > > > Sent: Tuesday, March 31, 2015 2:56 PM
> > > > To: Ronald Bonica; [email protected]; [email protected]
> > > > Cc: Zuniga, Juan Carlos; [email protected];
> > > > intarea- [email protected]
> > > > Subject: RE: [Int-area] Start of WGLC for
> > > > draft-ietf-intarea-gre-ipv6
> > > >
> > > > Hi Ron and Carlos,
> > > >
> > > > I will change my "updates RFC2473" to "should cite RFC2473". That
> > > > RFC already supports encapsulation of GRE in IPv6 and should be cited as
> > such.
> > > >
> > > > Thanks - Fred
> > > > [email protected]
> > > >
> > > > > -----Original Message-----
> > > > > From: Ronald Bonica [mailto:[email protected]]
> > > > > Sent: Tuesday, March 31, 2015 11:30 AM
> > > > > To: Templin, Fred L; [email protected]; [email protected]
> > > > > Cc: Zuniga, Juan Carlos;
> > > > > [email protected];
> > > > > [email protected]
> > > > > Subject: RE: [Int-area] Start of WGLC for
> > > > > draft-ietf-intarea-gre-ipv6
> > > > >
> > > > > Fred,
> > > > >
> > > > > If the current document were published tomorrow, would RFC 2473
> > > > > implementation have to change in order to remain RFC 2473
> > > > > compliant? If
> > > > so, how? If not, the current document does not update RFC 2473.
> > > > >
> > > > >                                          Ron
> > > > >
> > > > >
> > > > > > -----Original Message-----
> > > > > > From: Templin, Fred L [mailto:[email protected]]
> > > > > > Sent: Tuesday, March 31, 2015 12:54 PM
> > > > > > To: Ronald Bonica; [email protected]; [email protected]
> > > > > > Cc: Zuniga, Juan Carlos;
> > > > > > [email protected];
> > > > > > intarea- [email protected]
> > > > > > Subject: RE: [Int-area] Start of WGLC for
> > > > > > draft-ietf-intarea-gre-ipv6
> > > > > >
> > > > > > Hi Ron,
> > > > > >
> > > > > > RFC2784 punts on IPv6. From Section 9:
> > > > > >
> > > > > > >   o IPv6 as Delivery and/or Payload Protocol
> > > > > > >
> > > > > > >     This specification describes the intersection of GRE currently
> > > > > > >     deployed by multiple vendors. IPv6 as delivery and/or payload
> > > > > > >     protocol is not included in the currently deployed versions 
> > > > > > > of GRE.
> > > > > >
> > > > > > RFC2784 should have cited RFC2473 as the normative reference for
> > > > > > generic encapsulation in IPv6 but didn't. But, that does not
> > > > > > mean that your document should make the same omission.
> > > > > >
> > > > > > Thanks - Fred
> > > > > > [email protected]
> > > > > >
> > > > > > > -----Original Message-----
> > > > > > > From: Ronald Bonica [mailto:[email protected]]
> > > > > > > Sent: Tuesday, March 31, 2015 9:26 AM
> > > > > > > To: [email protected]; [email protected]; Templin, Fred L
> > > > > > > Cc: Zuniga, Juan Carlos;
> > > > > > > [email protected];
> > > > > > > [email protected]
> > > > > > > Subject: Re: [Int-area] Start of WGLC for
> > > > > > > draft-ietf-intarea-gre-ipv6
> > > > > > >
> > > > > > > Fred,
> > > > > > >
> > > > > > > RFC 2784 doesn't update RFC 2473. This is because RFC 2784
> > > > > > > doesn't levy
> > > > > > any new requirements upon RFC 2473 implementations.
> > > > > > > Implementations that were RFC 2473 compliant the day before
> > > > > > > RFC
> > > > > > > 2784 was published remained compliant the day after RFC 2784
> > > > > > > was
> > > > published.
> > > > > > >
> > > > > > > Likewise, the current draft doesn't update RFC 2473. This is
> > > > > > > because the current draft doesn't levy any new requirements
> > > > > > > upon RFC
> > > > > > > 2473 implementations. Implementations that are RFC 2473
> > > > > > > compliant today will remain compliant the day after the current
> > draft is published.
> > > > > > >
> > > > > > >                                                        Ron
> > > > > > >
> > > > > > >
> > > > > > > >
> > > > > > > > On an even higher level note, RFC2473 already specifies
> > > > > > > > generic encapsulation within IPv6 which implicitly includes
> > > > > > > > GRE. So, if this document goes through it needs to say that it
> > updates RFC2473.
> > > > > > > >
> > > > > > > > Thanks ? Fred
> > > > > > > > [email protected]
> > > > > > > >

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