[Moims-dai] Use of SYSML was RE: [EXTERNAL] Reminder of Skype call Tuesday

kearneysolutions at gmail.com kearneysolutions at gmail.com
Sun Mar 28 18:31:58 UTC 2021


Hey, David,

 

*	You made a comment “Should this be SysML?  Or both UML and SysML? “ 

I was really only asking which one Steve had used.  I thought I remembered
him saying early in the development that he used both, but wasn’t sure.  I
wasn’t advocating SysML, just trying to ensure the statement was
historically correct.  

 

The main point of the paragraph was “should not be used without close
scrutiny”.  It’s the standard CCSDS caveat that any prototype in support of
the standard does not carry the weight of the standard, and should be used
very carefully.  If you would like to reword it so as not to “conflate”
things, by all means proceed.  

 

I concede on all other points.  You’re certainly the greater expert in that
domain.  

 

   -=- Mike

 

Mike Kearney

Huntsville, Alabama, USA 

 

From: MOIMS-DAI <moims-dai-bounces at mailman.ccsds.org> On Behalf Of
david at giaretta.org
Sent: Friday, March 26, 2021 8:17 AM
To: 'MOIMS-Data Archive Interoperability' <moims-dai at mailman.ccsds.org>
Subject: Re: [Moims-dai] Use of SYSML was RE: [EXTERNAL] Reminder of Skype
call Tuesday

 

I forgot to suggest that if we follow MAL then the package structure could
be something like those below. My assumption is that we want the “top level”
to be generic, then we want separate packages as we include more specific
models e.g. for RepInfo or Provenance or archive access. In my draft I put
everything at the top level for convenience, but separating things into
sub-packages gives more flexibility.

a.	the OAIS-IF package: org.ccsds.moims.dai.oaisif; : 

a.	interface definitions: org.ccsds.moims.dai.oaisif.interfaces;

                                                               i.
RepresentationInformation detailed interfaces:
org.ccsds.moims.dai.oaisif.interfaces.repinfo;

                                                             ii.
Provenance detailed interfaces:
org.ccsds.moims.dai.oaisif.interfaces.provenance;

                                                           iii.
Negotiation interfaces detailed interfaces:
org.ccsds.moims.dai.oaisif.interfaces.negotiation;

                                                           iv.      Local
archive adapter detailed interfaces:
org.ccsds.moims.dai.oaisif.interfaces.local;

                                                             v.
Interfaces to be used by consumer applications:
org.ccsds.moims.dai.oaisif.interfaces.consumer;

1.	Interfaces to be used by consumer applications for table access:
org.ccsds.moims.dai.oaisif.interfaces.consumer.tables;
2.	Interfaces to be used by consumer applications for image access:
org.ccsds.moims.dai.oaisif.interfaces.consumer.image;
3.	etc

a.	Reference Implementation: org.ccsds.moims.dai.oaisif.impl;

                                                               i.
Reference Implementation for RepInfo:
org.ccsds.moims.dai.oaisif.impl.repinfo;

                                                             ii.
Reference Implementation for Provenance:
org.ccsds.moims.dai.oaisif.impl.provenance;

                                                           iii.
Reference Implementation for negotiation:
org.ccsds.moims.dai.oaisif.impl.negotiation;

                                                           iv.
Reference Implementation for reasonably generic fileserver archive local
access: org.ccsds.moims.dai.oaisif.impl.local.fileserver            

..David

   

 

From: MOIMS-DAI <moims-dai-bounces at mailman.ccsds.org
<mailto:moims-dai-bounces at mailman.ccsds.org> > On Behalf Of
david at giaretta.org <mailto:david at giaretta.org> 
Sent: 26 March 2021 11:58
To: 'MOIMS-Data Archive Interoperability' <moims-dai at mailman.ccsds.org
<mailto:moims-dai at mailman.ccsds.org> >
Subject: [Moims-dai] Use of SYSML was RE: [EXTERNAL] Reminder of Skype call
Tuesday

 

HI Mike

 

You made a comment “Should this be SysML?  Or both UML and SysML? “ 

 

My view is that I cannot see the reason for doing this in SYSML when we
already have the UML, unless there is some aspect of the system which only
SYSML enables us to design. Otherwise it is just unproductive.

 

The second paragraph you propose adding:

Users are cautioned that this is a prototype implementation of a model that
was used for development of the OAIS-IF standards, and they should not be
used without close scrutiny by the user organizations’s software development
and systems engineering staff to insure that they are suitable for their
intended use.  CCSDS is not responsible for any negative outcome that
results from the user’s application of the OAIS-IF UML Model(s).  In
particular, usage of those models in no way guarantees conformance to
OAIS-IF (see section 1.5.)  More information is available at the above link
on the SANA registry.  

 

This seems to be conflating the design model (UML encoded in XMI ?) with the
implementation. In terms of implementation I imagine we would have, for
example in Java,

(1) code for the interfaces, that can be generated automatically by design
tools, plus 

(2) code which implements those interfaces for some specific case, although
some code may be fairly general such as for the “negotiate” class.

 

I note that for Java, and maybe some other programming languages, we will
need to define a package structure for the interfaces. In my drafts I used
“info.oais.” because I own the domain oais.info. However perhaps there is
some CCSDS standard way of doing this. For example
https://public.ccsds.org/Pubs/523x1m1.pdf  says:

3.1.4The packages provided by the API shall be:

a)the MAL package: org.ccsds.moims.mo.mal; 

b)the data structures package: org.ccsds.moims.mo.mal.structures; 

c)the consumer package: org.ccsds.moims.mo.mal.consumer; 

d)the provider package: org.ccsds.moims.mo.mal.provider; 

e)the broker package: org.ccsds.moims.mo.mal.broker.

3.1.5The MAL package name shall be added to the SANA registry
JavaBindingNamespace and shall refer to the MAL Java API document ‘CCSDS
523.1-M-1’.

 

 

Cheers

 

..David

 

 

From: MOIMS-DAI <moims-dai-bounces at mailman.ccsds.org
<mailto:moims-dai-bounces at mailman.ccsds.org> > On Behalf Of
kearneysolutions at gmail.com <mailto:kearneysolutions at gmail.com> 
Sent: 24 March 2021 01:49
To: 'MOIMS-Data Archive Interoperability' <moims-dai at mailman.ccsds.org
<mailto:moims-dai at mailman.ccsds.org> >
Cc: 'Hughes, John S (US 398B)' <john.s.hughes at jpl.nasa.gov
<mailto:john.s.hughes at jpl.nasa.gov> >
Subject: Re: [Moims-dai] [EXTERNAL] Reminder of Skype call Tuesday

 

As discussed today, attached is my contribution concerning planned
availability of UML models.  Section 1.6.  

 

Steve, I shortened the file name a little bit because sometimes things get
flakey with a filename that’s too long.  Hope this works.  

 

   -=- Mike

 

Mike Kearney

Huntsville, Alabama, USA 

 

From: MOIMS-DAI <moims-dai-bounces at mailman.ccsds.org
<mailto:moims-dai-bounces at mailman.ccsds.org> > On Behalf Of Hughes, John S
(US 398B) via MOIMS-DAI
Sent: Tuesday, March 23, 2021 6:55 PM
To: MOIMS-Data Archive Interoperability <moims-dai at mailman.ccsds.org
<mailto:moims-dai at mailman.ccsds.org> >
Cc: Hughes, John S (US 398B) <john.s.hughes at jpl.nasa.gov
<mailto:john.s.hughes at jpl.nasa.gov> >
Subject: Re: [Moims-dai] [EXTERNAL] Reminder of Skype call Tuesday

 

Hi all,

As requested, attached is the document before changes were accepted.

Thanks,

Steve

 

From: MOIMS-DAI <moims-dai-bounces at mailman.ccsds.org
<mailto:moims-dai-bounces at mailman.ccsds.org> > On Behalf Of Hughes, John S
(US 398B) via MOIMS-DAI
Sent: Tuesday, March 23, 2021 8:53 AM
To: MOIMS-Data Archive Interoperability <moims-dai at mailman.ccsds.org
<mailto:moims-dai at mailman.ccsds.org> >
Cc: Hughes, John S (US 398B) <john.s.hughes at jpl.nasa.gov
<mailto:john.s.hughes at jpl.nasa.gov> >
Subject: Re: [Moims-dai] [EXTERNAL] Reminder of Skype call Tuesday

 

Hi all,

 

Attached is a copy of the OAIS IF BB with several options inserted for
discussion.

 

Thanks,

Steve

 

 

From: MOIMS-DAI <moims-dai-bounces at mailman.ccsds.org
<mailto:moims-dai-bounces at mailman.ccsds.org> > On Behalf Of
david at giaretta.org <mailto:david at giaretta.org> 
Sent: Monday, March 22, 2021 2:42 PM
To: MOIMS-DAI List <moims-dai at mailman.ccsds.org
<mailto:moims-dai at mailman.ccsds.org> >
Subject: [EXTERNAL] [Moims-dai] Reminder of Skype call Tuesday

 

Meeting: 10:00 Tuesday (Washington DC time), but because of Daylight Saving
Time changes the time for the meeting in Europe will be 1400 UK time, 1500
Paris time this week and next week. After that Europe also moves to Daylight
Saving Time and we return to the normal schedule.

 

If you do not receive a notification from Skype then please join it by
clicking the link:

https://join.skype.com/ykyu5SIPhSnD
<https://urldefense.us/v3/__https:/join.skype.com/ykyu5SIPhSnD__;!!PvBDto6Hs
4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqgkEoLluTN
tYk$> 

 

*Don't have Skype yet? Download it before you join https://www.skype.com
<https://urldefense.us/v3/__https:/www.skype.com__;!!PvBDto6Hs4WbVuu7!ZrV2Ce
xL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqgkEoLxkgiIxc$> 

 

Draft agenda:

1.	Feedback from MOIMS AD on books – I received the following rapid
response from Marc Duhaze. COMMENTS ADDED (please check, especially the text
proposed)

 


Hi All,

 

First of all, I’m a newbie in this domain, so please be tolerant ;)

 

 

About CCSDS 652.1-M-2-updated : (see
https://www.dropbox.com/s/80xzgt3qpql633k/652x1m2_20210116.doc?dl=0
<https://urldefense.us/v3/__https:/www.dropbox.com/s/80xzgt3qpql633k/652x1m2
_20210116.doc?dl=0__;!!PvBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5
jJjZgnWj0jcYWjblLFakbNqgkEoL_HHEd_w$> )

*	As it is mainly a clone of the ISO/IEC 17021-1 standard fitted in a
CCSDS template,

 

*	I have no specific comment, so it’s fine for me

READY TO  SEND TO AD

 

About CCSDS 653.0-R-1 : (see
https://www.dropbox.com/s/r2tmotj8ejw5lm0/CCSDS653.0R1-20210322.docx?dl=0
<https://urldefense.us/v3/__https:/www.dropbox.com/s/r2tmotj8ejw5lm0/CCSDS65
3.0R1-20210322.docx?dl=0__;!!PvBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYo
myknZ5jJjZgnWj0jcYWjblLFakbNqgkEoLzv1J72Q$> )

*	Initial page : reference should be CCSDS 653.0-R-1, no ?

DONE, also changed date to March 2021, but expect CCSDS Editor will make
appropriate changes

 

*	About Brigitte comment : p3-1 

*	“I would have expected a more "in depth" analysis of the project
documentation that should be preserved at each phase.”
*	David answer : “Yes, specific aspects of the project documentation
will almost certainly be preserved”

 

*	I’m not sure about what was expected by Brigitte and so if David
answers the question, however my opinion is that a lot of examples of
possible project documents are given for each “step” of the collection
group. So I assume that at the end of a phase, all the document produced
during the different steps of a collection group are preserved. So to answer
the Brigitte question, you should perhaps add a sentence in that way, at the
end of §3.2 

Sentence added at section 3.2 “Important types of information are identified
in section 4 and a number of checklists are provided in ANNEX C and ANNEX D,
but the variety of potential projects and their documents means that only
general guidelines can be given.”

 

*	About Mario comment : p4-4 

*	“All information in the PDI are already described in the OAIS book
at high level. In my understanding, the value of this book should be in
going one level down and prescribe, for each PDI, the minimum common
denominator of required information...”
*	David answer : “The point is that PDI, and in particular Provenance,
is to be collected throughout, rather than left to the end. In OAIS this is
implicit. This document makes it explicit.”

 

*	I’m not sure the answer covers the question raised by Mario. Is it
possible to split the information list provided for each type (Reference,
Provenance, Context, 
) into different categories such as  “required
information”, “recommended information”, “optional information” 
 ?

Add paragraph to 4.1.2

Of these the Provenance is likely to be required over the entire life of the
project, and beyond, being relevant to all subsequent outcomes of the
project, and so is always required. Reference, Fixity, Context and Access
Rights Information may not be required through all successive stages, unless
relevant to the Provenance.  

 

TO BE DISCUSSED

 

*	I agree with other answers to Mario and Brigitte comments and have
no other comment

OK

 

About CCSDS 652.0-W(M)-1.1 :  (see
<https://urldefense.us/v3/__https:/www.dropbox.com/s/q8uofeoewdllrrw/652x0w1
x1-20210322.doc?dl=0__;!!PvBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomykn
Z5jJjZgnWj0jcYWjblLFakbNqgkEoL-sjt_tM$>
https://www.dropbox.com/s/q8uofeoewdllrrw/652x0w1x1-20210322.doc?dl=0)

*	Page 1-5 : you missed a “written” : “Preservation Strategic Plan: A
written statement
”  to change to “
documented statement”

DONE

*	About Mario comment : p3-5

*	“This seems to me a characteristic of any good work position. I
would remove it from here. By the same token, you could also ask for full
medical coverage for the repository staff, 
”
*	David answer “We disagree. Our experience is that it is worth statin
this metric explicitly.  If one goes down the route you propose we could
remove most metrics”

 

*	Sorry Mario ;) , but I agree with David answer. @Mario, what about
you ?

OK

*	About Brigitte comments p5-1 and 5-11

*         “BBh34: besides adapting and changing its hardware and software,
it seems to me that the repository architecture should be designed so that
it can cope with these changes with a minimum of service perturbation (for
instance having dedicated test environment to validate new software release
and to train staff, provide possibilities of roll-back when installing new
version, privilege whenever possible backward compatibility).

If the repository architecture is not correctly dimensioned, any
intervention will lead to more or less important service interruptions.

Consider adding a requirement/metric dedicated to this issue (the
architecture must be designed and dimensioned to meet the preservation
objectives).”

*         David answer ” It was felt that, while what you write is correct,
it seemed unnecessary to demand that auditors review the overall design of
the archive, but the system requirement/design documents may be presented as
evidence”

*	BBh39: cf. BBh34. Prior to that, the repository architecture should
be adequately dimensioned
*	David answer :” Metrics covering adequate scaling already in the
document”

 

*	To me, the points raised by Brigitte are covered by exiting
requirements in the document such as 

*	“The repository shall identify and manage the risks to its
preservation operations and goals associated with system infrastructure.”
*	“The repository shall have adequate hardware and software support
for backup functionality sufficient for maintaining the system support to
preserve the repository content and tracking repository functions.  “ 

 

*	I agree with other answers to Mario and Brigitte comments and have
no other comment

OK

 

Regards.

Marc.

 

 

 

 

2.	OAIS – please add comments to OPEN OAIS RIDS, especially about DOI
and FAIR. It would be good to close these to the point of asking for being
able to ask for the agreement of the submitter.

 


 

 

 

 

 

 

 

 

 

Suggested Disposition

 


312
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=312__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoL8CfU-rI$> 

OAIS Jun

Section 

A

 

 

Consider updating text about existing archives.

 

 

NO CHANGE

Do not put anything in

 


322
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=322__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoLFY0hxp0$>  

OAIS Jun 

Section 

2 

		Clarify usefulness of OAIS for Interoperability,
re-reproducibility and re-use
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=322__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoLFY0hxp0$> 

The requirements for preservation are also important for current use of
information. This change will make that point clearer. 

 

CHANGE PROPOSED

	

325
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=325__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoLZptb0lQ$>  

OAIS Jun 

Section: 

9 

		NASA/JSC 1 Only one set of access rights per data object
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=325__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoLZptb0lQ$> 

Access control enforcement will be greatly simplified. 

 

CHANGE PROPOSED

	

326
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=326__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoLFi3pbPM$>  

OAIS Jun 

Section: 

2 

		INPE-1:Detailed review be made of Figure A-1 in page A-2 in
order that it may guaranteed that the functionally that it represents
-fully- corresponds to the naturally more detailed functionality that is
represented in the set of Figures 4-2 through 4-7.
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=326__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoLFi3pbPM$> 

he author of this proposal, for transforming it in a Brazilian Standard
(ABNT/BR) had to translate to the Portuguese the previous OAIS document ISO
14721:2012, which contains the document CCSDS 650.0-M-2. The proposal being
made in this current RID ha... 

 

NO CHANGE

Response has been proposed

	

327
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=327__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoLhg7m4yI$>  

OAIS Jun 

Section 

1 

		INPE-2: Cross-reference glossary term to first use
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=327__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoLhg7m4yI$> 

The author of this proposal, for transforming it in a Brazilian Standard
(ABNT/BR) had to translate to the Portuguese the previous OAIS document ISO
14721:2012, which contains the document CCSDS 650.0-M-2. The proposal being
made in this current RID h... 

 

NO CHANGE

	

328
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=328__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoLqa9ZwHc$>  

OAIS Jun 

Section 

1 

		INPE-3: Check that there are no missing DEFINITION(s) of
ACRONYM(s) or ABBREVIATION(s)
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=328__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoLqa9ZwHc$> 

The author of this proposal, for transforming it in a Brazilian Standard
(ABNT/BR) had to translate to the Portuguese the previous OAIS document ISO
14721:2012, which contains the document CCSDS 650.0-M-2. The proposal being
made in this current RID h... 

 

NO CHANGE

But ask if errors have been identified

	

329
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=329__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoLU619AnM$>  

OAIS Jun 

Section 

1 

		ESA - Definition of Persistent and Unique Identifiers
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=329__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoLU619AnM$> 

Missing definitions 

 

Needs discussion

	

330
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=330__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoL0I1-J9I$>  

OAIS Jun 

Section 

1 

		ESA-CA-01 Rotate Fig 4-29
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=330__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoL0I1-J9I$> 

Consistency with other OAIS figures 

 

NO CHANGE

	

331
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=331__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoLnl5RqA0$>  

OAIS Jun 

Section 

1 

		ESA-CA-02 Make references to FAIR
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=331__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoLnl5RqA0$> 

Beneficial to add reference to FAIR 

 

NO CHANGE

	

332
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=332__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoL8XIbduE$>  

OAIS Jun 

Section 

1 

		ESA-CA-03 Make reference to DOI
<https://urldefense.us/v3/__http:/review.oais.info/show_bug.cgi?id=332__;!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoL8XIbduE$> 

Reference to DOIs 

 

CHANGE AGREED

	

 

3.	OAIS-IF 

a.	Steve may sent out updated diagrams
b.	Updated detailed interface document available at
https://www.dropbox.com/s/56x45hsxy6xxt5y/OAIS-IF%20details20210319.docx?dl=
0
<https://urldefense.us/v3/__https:/www.dropbox.com/s/56x45hsxy6xxt5y/OAIS-IF
*20details20210319.docx?dl=0__;JQ!!PvBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeOD
xg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqgkEoL2qW6Snw$>  
c.	The last version of the draft GB is
https://www.dropbox.com/s/oze4kbj9z7rn9fk/OAIS-IF%20Rationale%20Scenarios%20
and%20Requirements-20210227.docx?dl=0
<https://urldefense.us/v3/__https:/www.dropbox.com/s/oze4kbj9z7rn9fk/OAIS-IF
*20Rationale*20Scenarios*20and*20Requirements-20210227.docx?dl=0__;JSUlJQ!!P
vBDto6Hs4WbVuu7!ZrV2CexL9YX24H0xAKavLeODxg1qYomyknZ5jJjZgnWj0jcYWjblLFakbNqg
kEoLAFSVm1k$>  .

. 

 

..David

 

 

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