Re: (ngtrans) Re: pTLA 3FFE:FFF0::/28 for test & example useper draft-blanchet-ipngwg-testadd-00.txt, closes 20Jun01

[Brian Haberman <[e-mail]>]

If you apply the mechanism defined in
draft-ietf-ipngwg-uni-based-mcast-01.txt,
Marc already has a range of multicast addresses.

Brian


Dirk Ooms wrote:
> 
> Would it be good to also reserve a range of multicast addresses for the
> same purpose?
> 
> dirk
> 
> Alain Durand wrote:
> >
> > Itojun:
> >
> > > >       marc's one is more like "how to write example configuration down onto
> > > >       manual pages".  since we don't know what IPv4 address the readers
> > > >       would use, we cannot really generate 6to4 prefix.
> >
> > Keith:
> >
> > >a.  perhaps this could be made clearer in the next version?
> > >     the current draft implies more than once that these addresses
> > >     could be used for testing or test networks, which is pretty
> > >     close to saying they can be used for private operational networks.
> > >     test networks sometimes evolve into operational networks if the
> > >     test is successful.
> >
> > The real value of Marc's draft is to give a prefix that we can use in example,
> > like in RFCs, books, white paper, config example, etc...
> > like the 555 area code in the movies.
> > Having address space for test network is a very different thing.
> > We have itojun's draft for that or we can suggest to use site local addresses.
> > I would like to suggest to Marc to remove any reference to test networks in
> > a future -01 draft.
> >
> > >b.  I wonder if 3FFE:FFF0:: addresses make good examples, since they
> > >     will "look different" than addresses in typical use (outside of
> > >     the 6bone).  Also, might it be useful to have multiple example
> > >     prefixes so that in examples citing addresses from different parts
> > >     of the net the different prefixes would be easily distinguishable?
> >
> > All we need is something that looks like a real IPv6 address but that is not
> > allocated to anyone. I do not think that the fact that the address starts with
> > a 2 or a 3 is relevant. This is the reason why I suggested 3ffe:5550::/28
> > to maintain the parallel with the 555 area code.
> > Also reserving a /28 prefix is large enough so any technical writer
> > can carve as many prefixes as needed out of it.
> >
> >          - Alain.
> 
> --
> Dirk Ooms                       mailto:[e-mail]
>                                 tel:[phone]
> Network Strategy Group (NSG)    http://aww.alcatel.com/nsg
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