Hi,

> On Oct 17, 2016, at 8:16 PM, Yemin (Amy) <amy.ye...@huawei.com> wrote:
> 
> Hi Jouni,
>  
> You're right that the current draft text doesn't provide any information 
> about the discussion.
> So how about add the following text at the end of section 3.1:
> This document only defines the Availability TLV, how the existing Switching 
> Capability makes use of the Availability TLV will be addressed in a different 
> document. An example is to define a new type code for the Availability TLV, 
> if the Switching Capability-specific information (SCSI) supports TLV format.  

With some rewording I could be OK.. I am not going to be stubborn trying to 
block this document. Just add that the “different document” is “different 
future document” or something like that.

Anyway, I am still somewhat surprised there is now a document (this draft under 
review) defining a new extension to RFC4203 before there is a document that 
actually describes how to do that in a proper way, specifically if this draft 
does not want to do that. The order is imho wrong.. just saying..

- Jouni




>  
> Section 3 of RFC7688 provides clear definition for new SC and SCSI. But since 
> the conclusion is to use another different document, other than this document 
> to explain the technology specific usage(including the SC/SCSI allocation), 
> it’s preferred not to include the such text in this document.
>  
> BR,
> Amy
> -----Original Message-----
> From: jouni.nospam [mailto:jouni.nos...@gmail.com] 
> Sent: Monday, October 17, 2016 11:21 PM
> To: Yemin (Amy)
> Cc: gen-art@ietf.org; 
> draft-ietf-ccamp-ospf-availability-extension....@ietf.org
> Subject: Re: Gen-ATR review of draft-ietf-ccamp-ospf-availability-extension-07
>  
> Hi,
>  
>  
> > On Oct 17, 2016, at 1:06 AM, Yemin (Amy) <amy.ye...@huawei.com> wrote:
> > 
> > Hi Jouni,
> > 
> > Thanks very much for the comments. I fixed the nits in the draft.
> > 
> > Regarding the Switching Capability-specific information field, we had the 
> > discussion in WG, and here's the summary/conclusion:
> > It's decided that this document will just define the availability TLV, and 
> > a new draft will define its technology specific usage. 
>  
> Ok, thanks for sharing this. This document had no mention or guidance of this 
> kind of decision. I would have assumed some text since the extension defined 
> in this document is seemingly backwards incompatible without some glue. As 
> the text is now, is not sufficient.
>  
> I would appreciate text along lines that can be found in Section 3 of RFC7688 
> with an addition of the details you point out below regarding the allocation 
> of new Switching-capability types. Also, it would not hurt describing (with 
> the Switching-capability types text) how the situation where an existing 
> non-TLV Switching Capability-specific information and the new TLV-based 
> information have to coexist.. or whether that kind format is not supported.
>  
> - Jouni
>  
>  
> > For example, for the SCSI which supports TLV(e.g., OTN/WSON), a new type 
> > code is needed to make use of availability TLV.
> > For the SCSI who doesn’t support TLV(e.g., PSC), a new SC types is needed.
> > 
> > BR,
> > Amy
> > 
> > -----Original Message-----
> > From: jouni.nospam [mailto:jouni.nos...@gmail.com]
> > Sent: Monday, October 17, 2016 5:50 AM
> > To: gen-art@ietf.org
> > Cc: draft-ietf-ccamp-ospf-availability-extension....@ietf.org
> > Subject: Gen-ATR review of 
> > draft-ietf-ccamp-ospf-availability-extension-07
> > 
> > I am the assigned Gen-ART reviewer for this draft. The General Area Review 
> > Team (Gen-ART) reviews all IETF documents being processed by the IESG for 
> > the IETF Chair.  Please treat these comments just like any other last call 
> > comments.
> > 
> > For more information, please see the FAQ at
> > 
> > <http://wiki.tools.ietf.org/area/gen/trac/wiki/GenArtfaq>.
> > 
> > Document: draft-ietf-ccamp-ospf-availability-extension-07
> > Reviewer: Jouni Korhonen
> > Review Date:        2016-10-16
> > IETF LC End Date:   2016-10-24
> > IESG Telechat date: 2016-11-03
> > 
> > Summary:
> > 
> > Document is ready with nits.
> > 
> > Major issues:
> > 
> > None.
> > 
> > Minor issues:
> > 
> > It is not clear to me how the ISCD Availability sub-TLV is encoded
> > into RFC4203 Switching Capability-specific information field. This is
> > because RFC4203 lists specific encodings depending on “Switching Cap”
> > field and those encoded information fields seem not to be TLVs. I
> > would like to see some text that deals with switching cap, its
> > relation to the TLV described in this document and the coexistence
> > with existing capability specific information fields described in
> > RFC4203. If I did not understand something regarding the encoding that
> > is supposed to be trivial I am happy to told that ;)
> > 
> > Nits/editorial comments:
> > 
> > o Line 21: ISCD is not expanded.
> > o Line 142: unnecessary extra space in "a < availability”.
> > o Line 150: Space needed before the reference "protocol[ETPAI].”
> > o Line 142-.. TE is never expanded or part of the list acronyms.
> > o Lines 176-178: formatting issue with indentation, line spacing  and 
> > line endings (not a fullstop but ‘;’).
> > o Line 162: TLV is never expanded or  part of the list acronyms.
> > 
> > __________________________________________

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