Re: [Isis-wg] I-DAction:draft-ietf-ccamp-isis-interas-te-extension-03.txt

["Les Ginsberg (ginsberg)" <[e-mail]>]

Adrian -

Your proposal works for me.

   Les

> -----Original Message-----
> From: [e-mail] [mailto:[e-mail]] On
Behalf
> Of Adrian Farrel
> Sent: Wednesday, August 27, 2008 4:02 AM
> To: isis mailing list
> Subject: Re: [Isis-wg]I-DAction:draft-ietf-ccamp-isis-interas-te-
> extension-03.txt
> 
> Hi,
> 
> Yes, I think Les is right.
> 
> In RSVP we have got in a fine mess by having several objects with a
set of
> identical TLVs. The IANA registry is a mess because people forget to
> request
> that all of the objects are updated with a new TLV (or a place-holder
if
> the
> TLV isn't carried on the object).
> 
> So, creating a single tidy registry that both 141 and 22 can point to
> would
> be nice.
> 
> This looks pretty simple to me.
> 
> The registry is currently called: "Registry Name: Sub-TLVs for TLV 22"
> We would change this to "Registry Name: Sub-TLVs for TLVs 22, 141, and
> 222"
> 
> We would add columns to the registry to show:
> "May be present on TLV 22"
> "May be present on TLV 141"
> "May be present on TLV 222"
> 
> Does this work for everyone?
> 
> Cheers,
> Adrian
> 
> 
> ----- Original Message -----
> From: "Les Ginsberg (ginsberg)" <[e-mail]>
> To: "Mach Chen" <[e-mail]>om>; "isis mailing list"
<[e-mail]>
> Cc: "Hannes Gredler" <[e-mail]>
> Sent: Wednesday, August 27, 2008 9:38 AM
> Subject: Re: [Isis-wg]
> I-DAction:draft-ietf-ccamp-isis-interas-te-extension-03.txt
> 
> 
> > Mach -
> >
> > One editorial nit:
> >
> > In Section 3.1 2nd paragraph page 8:
> >
> > s/GNINFO/GENINFO
> >
> > On a more substantive note, the discussion of sub-TLV allocation
that
> > you added into Section 6.2 is clearly an improvement, but it still
gives
> > me cause for concern. You say:
> >
> > " the sub-TLVs which are defined in
> >   [ISIS-TE], [ISIS-TE-V3] and other documents for describing the TE
> >   properties of an TE link are applicable to describe an inter-AS TE
> >   link and MAY be included in the Inter-AS Reachability TLV when
> >   adverting inter-AS TE links. So, these sub-TLVs need to be
> >   registered in the ISIS sub-TLV registry for TLV 141. And in order
to
> >   simplify the registration, we suggest using the same registry
value
> >   as they are registered in the ISIS sub-TLV registry for TLV 22."
> >
> > This suggests that:
> >
> > 1)Every subTLV in the TLV22 registry needs to be added to the TLV141
> > subTLV registry - and any future definitions have to be added in
both
> > places regardless of whether they are for TLV22 or TLV141 (or both).
> >
> > 2)It may be acceptable for a subTLV which is used in both TLV22 and
> > TLV141 to have different number assignments in the two TLV
registries
> > (though you recommend against this).
> >
> > I would prefer that we insist upon a single shared registry so that
the
> > issues of duplicate registrations and/or different numerical
assignments
> > never arises.
> >
> > This would then eliminate the need to repeat the existing TLV22
subTLV
> > assignments in this document (as you do immediately below the quoted
> > text) - and it would eliminate confusion between the statement above
and
> > the statement later in the same section:
> >
> > "...the new sub-TLVs MUST be defined from a sub-
> >   TLV registry which is shared by these two TLVs."
> >
> >   Les
> >
> >> -----Original Message-----
> >> From: Mach Chen [mailto:[e-mail]]
> >> Sent: Monday, August 25, 2008 7:19 PM
> >> To: isis mailing list
> >> Cc: Hannes Gredler; Les Ginsberg (ginsberg)
> >> Subject: Fw: I-D
> > Action:draft-ietf-ccamp-isis-interas-te-extension-03.txt
> >>
> >> Hi,
> >>
> >> We have already updated the draft according to the comments
received
> >> during
> >> the ISIS WG Last Call from Hannes Gredler and Les Ginsberg.
> >>
> >> Hannes and Les, could you please confirm whether this revision
> > addresses
> >> your comments?
> >>
> >>
> >> Best regards,
> >> Mach
> >>
> >> --------------------------------------------------
> >> From: <[e-mail]>
> >> Sent: Monday, August 25, 2008 11:30 AM
> >> To: <[e-mail]>
> >> Cc: <[e-mail]>
> >> Subject: I-D
Action:draft-ietf-ccamp-isis-interas-te-extension-03.txt
> >>
> >> > A New Internet-Draft is available from the on-line
Internet-Drafts
> >> > directories.
> >> > This draft is a work item of the Common Control and Measurement
> > Plane
> >> > Working Group of the IETF.
> >> >
> >> >
> >> > Title           : ISIS Extensions in Support of Inter-AS
> > Multiprotocol
> >> > Label Switching (MPLS) and Generalized MPLS (GMPLS) Traffic
> > Engineering
> >> > Author(s)       : M. Chen, R. Zhang
> >> > Filename        :
draft-ietf-ccamp-isis-interas-te-extension-03.txt
> >> > Pages           : 20
> >> > Date            : 2008-08-24
> >> >
> >> > This document describes extensions to the ISIS (ISIS) protocol to
> >> > support Multiprotocol Label Switching (MPLS) and Generalized MPLS
> >> > (GMPLS) Traffic Engineering (TE) for multiple Autonomous Systems
> >> > (ASes). It defines ISIS-TE extensions for the flooding of TE
> >> > information about inter-AS links which can be used to perform
inter-
> >> > AS TE path computation.
> >> >
> >> >
> >> >
> >> > No support for flooding information from within one AS to another
AS
> >> > is proposed or defined in this document.
> >> >
> >> > Conventions used in this document
> >> >
> >> > The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL
NOT",
> >> > "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in
this
> >> > document are to be interpreted as described in RFC-2119
[RFC2119].
> >> >
> >> > A URL for this Internet-Draft is:
> >> >
> >
http://www.ietf.org/internet-drafts/draft-ietf-ccamp-isis-interas-te-
> >> extension-03.txt
> >> >
> >> > Internet-Drafts are also available by anonymous FTP at:
> >> > ftp://ftp.ietf.org/internet-drafts/
> >> >
> >> > Below is the data which will enable a MIME compliant mail reader
> >> > implementation to automatically retrieve the ASCII version of the
> >> > Internet-Draft.
> >> >
> >>
> >>
> >>
> >> > _______________________________________________
> >> > I-D-Announce mailing list
> >> > [e-mail]
> >> > https://www.ietf.org/mailman/listinfo/i-d-announce
> >> > Internet-Draft directories: http://www.ietf.org/shadow.html
> >> > or ftp://ftp.ietf.org/ietf/1shadow-sites.txt
> >> >
> >>
> >> begin 666 draft-ietf-ccamp-isis-interas-te-extension-03.txt
> >> M0V]N=&5N="U4>7!E.B!T97AT+W!L86EN#0I#;VYT96YT+4E$.B \,C P."TP
> >> <."TR-#(P,C,T.2Y)+41 :65T9BYO<F<^#0H-"@``
> >> `
> >> end
> >
> > _______________________________________________
> > Isis-wg mailing list
> > [e-mail]
> > https://www.ietf.org/mailman/listinfo/isis-wg
> >
> 
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