Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-14 Thread John C Klensin


--On Monday, March 07, 2011 10:50 -0800 Randy Presuhn
randy_pres...@mindspring.com wrote:

 The IAB and IESG control STD1, and have every right and in
 fact a responsibility to say what status they think any
 document has.  You or anyone else can disagree and have your
 own list.
 
 The historicization of RFC 1227 provides an interesting
 example of this.  Without speculating on the motivations
 behind that decision, I think it does provide a clear example
 of an explicitly experimental protocol that was actually
 getting significant use at the time being declared historic.

This is pure speculation --if I ever knew, I've forgotten-- but
it is possible that questions about the reasons for that
decision and others contributed to the IESG's later
conclusion/policy that changing something to Historic requires
documentation in the RFC Series.   I've disagreed with that
conclusion from time to time on the grounds that it creates an
excessively heavyweight and resource-consuming requirement.
I've even proposed and advocated alternative ways to
appropriately document such decisions.  However, the motivation
for better documentation of reclassification decisions is clear.
Your comment shows why documenting these things in some
easily-accessible way is appropriate and desirable.

 john



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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-07 Thread Eliot Lear
Ran,

On the following point:

On 3/3/11 4:59 PM, RJ Atkinson wrote:
 Fourth, it is not appropriate for the IETF (or IESG) to reclassify any 
 RFC that was not originally published as an IETF track RFC.  The IETF
 simply lacks authority to reclassify such RFCs, although if the 
 original author explicitly consents in advance to the reclassification
 (e.g. recently for MD2/MD4) this can be done.  This is particularly 
 true for the older RFCs that appear to be the target of this I-D and 
 I-D author.  For those older RFCs, it isn't even the case the the 
 IETF Trust (or ISoc) hold any well defined rights.

The IAB and IESG control STD1, and have every right and in fact a
responsibility to say what status they think any document has.  You or
anyone else can disagree and have your own list.

Eliot


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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-07 Thread Randy Presuhn
Hi -

 From: Eliot Lear l...@cisco.com
 To: RJ Atkinson rja.li...@gmail.com
 Cc: ietf@ietf.org
 Sent: Monday, March 07, 2011 4:06 AM
 Subject: Re: Request for review of draft-yevstifeyev-genarea-historic-03
...
 The IAB and IESG control STD1, and have every right and in fact a
 responsibility to say what status they think any document has.  You or
 anyone else can disagree and have your own list.

The historicization of RFC 1227 provides an interesting example of
this.  Without speculating on the motivations behind that decision,
I think it does provide a clear example of an explicitly experimental
protocol that was actually getting significant use at the time being
declared historic.

Randy

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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-05 Thread RJ Atkinson

On 05  Mar 2011, at 01:35 , Mykyta Yevstifeyev wrote:
 I'd like to ask how was it done, what procedures were used.  

Existing IETF procedures were used, as best I understand, 
which shows that we do NOT need any new procedures.

As I noted, that use happened to have an incorrect result,
because people on the IESG were apparently unaware of 
the widespread use of that specification (albeit within
private networks on nearly all continents, rather than 
on the global Internet).

Many protocols are used primarily or exclusively within
private networks.  As many people have already said here,
it is impossible to measure such usage, which means mistakes 
are likely.  Better to leave things alone.

 I agree with you here - IETF does not have the authority
 on the RFCs from other streams.  For IAB, IRTF and IS
 streams it is clear, but as for pre-IETF ones?

Also quite clear.  Pre-IETF RFCs should be left alone.

Again, I do not believe this document is fixable.
I think it should be dropped, as should further 
discussion of publishing this document.

Yours,

Ran

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RE: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-04 Thread Murray S. Kucherawy
 -Original Message-
 From: ietf-boun...@ietf.org [mailto:ietf-boun...@ietf.org] On Behalf Of Joel 
 M. Halpern
 Sent: Thursday, March 03, 2011 7:41 AM
 To: Mykyta Yevstifeyev
 Cc: IETF Discussion; Scott O. Bradner
 Subject: Re: Request for review of draft-yevstifeyev-genarea-historic-03
 
 Our current definition for historic, and our current choices for when to
 move things, have worked sufficiently well.
 I have not seen any evidence that there is a problem that needs solving.
 I have also not seen any evidence that the changes you propose to the
 definitions would help anything.

+1

-MSK
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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-04 Thread Barry Leiba
 I agree with you that it is really hard and even impossible to determine
 what is going on in the Internet regarding some technology, protocol, etc.
 If we set the impossible criterion for the Historic documents, this will
 really make very few sense.  So, as I have been pointed out, I find removing
 the regulation about 'out-of-use' technology at all quite acceptable.  Do
 you agree?

It strikes me that we are spending time debating this to little
result, and we're missing one aspect of rough consensus, of which
Dave is always wont to remind me: someone has to agree with something
in order to make a start at moving to consensus.

So far, we've had several people chiming in to disagree with the need
for this document.  I propose this:

If anyone (other than the author) thinks this document *is* necessary,
please say so.  Until someone does, the rest of us may go about our
other work.  Lacking affirmative support, this document should go
away.

If support arrives, we can resume the debate.

Barry
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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-04 Thread Mykyta Yevstifeyev

03.03.2011 17:41, Joel M. Halpern wrote:

No, I do not agree with you.
Our current definition for historic, and our current choices for when 
to move things, have worked sufficiently well.

I have not seen any evidence that there is a problem that needs solving.
But I see.  IMO this is the absence of procedures either for 
reclassification of RFCs to Historic or bare publication of Historic 
RFCs (I mean such cases as RFC 6123 or RFC 6037, that is even an 
Independent Submission).
I have also not seen any evidence that the changes you propose to the 
definitions would help anything.


Yes, there are problems with our current definitions.
Those problems serve to keep us from declaring something historic when 
we shouldn't.
They do, as a side effect, make it harder to declare things historic 
even if they actually are?
I will even agree that there is a small cost to that.  Users of our 
standards may sometimes think some things are relevant that aren't.


But changing the definitions to make it easier to change the status 
does not actually change the problem.  The problem is that it is hard 
for anyone (the IETF, vendors, operators) to reliably know what is 
actually in use.
I agree with this.  But this is what we can already find in RFC 2026 - I 
mean the word 'obsolete' that is a synonym to the word 'out-of-use'.  If 
we think that is is really impossible to track this, we should update 
this definition.


Yours,
Joel

PS: I have actually noticed with several specifications I worked with 
that it can easily take 5 or 10 years for the actual usage (often not 
the initially expected usage) for a standards track or experimental 
protocol to emerge.  So premature declaration taht something is 
historic can do actual damage.

Mykyta Yevstifeyev


On 3/3/2011 10:28 AM, Mykyta Yevstifeyev wrote:

Joel,

I agree with you that it is really hard and even impossible to determine
what is going on in the Internet regarding some technology, protocol,
etc. If we set the impossible criterion for the Historic documents, this
will really make very few sense. So, as I have been pointed out, I find
removing the regulation about 'out-of-use' technology at all quite
acceptable. Do you agree?

And as for the comment from Dave.

03.03.2011 17:18, Dave CROCKER wrote:



On 3/3/2011 7:11 AM, Joel M. Halpern wrote:

The first point, to echo Andrew Sullivan, is that even if a protocol
is in use
on the public Internet, it is not always easy to detect.

...

The second point is that enterprise uses and other private network
uses are
still valid uses. The fact that a protocol may be used only inside a
virtual
private network, or only inside a corporate data center, or in only
within a
military facility, does NOT mean that it is not used. Such limited
use is still
valid use and should not result in our declaring something obsolete.



+1

Declaration of historic needs to be based on affirmative data. The
declaration is actually only important to make for protocols that are
known to be problematic.

This is already covered by the 'deprecated' criteria in my draft.

All the best,
Mykyta Yevstifeyev


Issuing a declaration for mere non-use is a matter of convenience, not
need, IMO.

d/


03.03.2011 17:11, Joel M. Halpern wrote:

There are, in my opinion, two problems with Mr. Yevstifeyev's
assertion below that it is easy to determine when things are out of 
use.

The first point, to echo Andrew Sullivan, is that even if a protocol
is in use on the public Internet, it is not always easy to detect. It
may be used in only some portions of the net. It may be used inside
some other protocol that makies detection ahrder.
The second point is that enterprise uses and other private network
uses are still valid uses. The fact that a protocol may be used only
inside a virtual private network, or only inside a corporate data
center, or in only within a military facility, does NOT mean that it
is not used. Such limited use is still valid use and should not result
in our declaring something obsolete.

Yours,
Joel

On 3/3/2011 4:27 AM, Mykyta Yevstifeyev wrote:

Hello Eliot,

Thank you for reading the document. Pleas efind some comments in-line.

2011/3/2, Eliot Learl...@cisco.com:

...

I bring to your attention RFC-4450, in which we made a bulk status
change of a bunch of PS to Historic precisely because we couldn't 
find

anyone using those protocols. However, such observations are
imprecise. For one, it is hard to observe what is going on on the
Internet, and those who do don't usually share their data (there is
some, but it is often regionally based, like the GINORMOUS store at
ETHZ). Another issue is that a protocol that is not detectable on the
Internet might be in use on private networks.


When we say 'out-of-use' we consider the usage of something in the
overall Internet. It is mostly not very difficault to find this out
via those people who take part in the IETF.

...








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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-04 Thread Mykyta Yevstifeyev

03.03.2011 17:59, RJ Atkinson wrote:

Earlier, Joel Halpern wrote:

The first point, to echo Andrew Sullivan, is that even if a protocol
is in use on the public Internet, it is not always easy to detect.
It may be used in only some portions of the net.  It may be used
inside some other protocol that makes detection ahrder.

The second point is that enterprise uses and other private network uses
are still valid uses. The fact that a protocol may be used only inside
a virtual private network, or only inside a corporate data center,
or in only within a military facility, does NOT mean that it is not used.
Such limited use is still valid use and should not result in our
declaring something obsolete.

+1 to all of the above.


As an example of the 2nd point above, earlier this decade the IESG
erroneously reclassified RFC-1108 as Historic, apparently because they
perceived it as not in use, even though it probably has more deployment
and broader implementation now than 10 or 15 years ago.
I'd like to ask how was it done, what procedures were used.  And then 
look at RFC 4450, that uses other procedures for the same purpose.  RFC 
6037. eg. has the third choice.  Should this continue?


Here are 3 examples of modern products that support it:
- Cisco IOS still supports RFC-1108, and has since the early 1990s.
   
http://www.cisco.com/en/US/docs/ios/sec_data_plane/configuration/guide/sec_cfg_ip_security.html
- Oracle (Sun) Solaris supports it, although they call it RIPSO.
   
http://download.oracle.com/docs/cd/E19109-01/tsolaris8/816-1048/6m7gaddht/index.html
- Trusted Linux/SE Linux also supports it.
   http://www.nsa.gov/research/selinux/list-archive/0605/thread_body18.shtml


A third issue is that one of the apparent objectives is to reclassify
a large number of RFCs that pre-date the IETF, and/or that were NOT
published as IETF track RFCs.  What we now call the Individual
Submission track is the oldest track of all, since the IETF
did not even exist until the middle 1980s, yet RFCs go back to 1969.


Fourth, it is not appropriate for the IETF (or IESG) to reclassify any
RFC that was not originally published as an IETF track RFC.  The IETF
simply lacks authority to reclassify such RFCs, although if the
original author explicitly consents in advance to the reclassification
(e.g. recently for MD2/MD4) this can be done.  This is particularly
true for the older RFCs that appear to be the target of this I-D and
I-D author.  For those older RFCs, it isn't even the case the the
IETF Trust (or ISoc) hold any well defined rights.
I agree with you here - IETF does not have the authority on the RFCs 
from other streams.  For IAB, IRTF and IS streams it is clear, but as 
for pre-IETF ones?


I also agree that IETF has the authority to define procedures for their 
own RFCs - in this way we should permit other streams' authorities do 
this on their own discretion.


So the document also needs to clearly say that only IETF track RFCs
are within the scope of this document, and that the document does
not apply to RFCs which pre-date the IETF existence or that were
not published as IETF-track RFCs.

Agreed - I'll make the corresponding changes.

Mykyta Yevstifeyev

Yours,

Ran



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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-03 Thread Mykyta Yevstifeyev
Hello Eliot,

Thank you for reading the document.  Pleas efind some comments in-line.

2011/3/2, Eliot Lear l...@cisco.com:
 Thank you for the opportunity to review this draft.  I do so merely as
 an individual.  It might be a good idea to provide some additional
 clarity on when to market something Historic, but your document requires
 a bit of clarity on its own as to what your motivating logic is.  Why,
 for instance, do you believe it is important to split deprecated and
 obsoleted?

In my opinion, the term 'obsoleted' means that it is out-of-use while
'deprected' means that it not recommended to be used and implemented
because of some reason.

 Also, Scott had to choose some language to describe
 Historic.  He probably did not mean for us to get hung up on the word
 superceded, a problem from which this draft seems to suffer.

RFC 2026 says that Historic is for RFCs that has been superseded by a
more recent specification or is for any other reason considered to be
obsolete.  However some recent observations have shown that everyone
has their own thoughts on what the word 'obsolete' means.  Some think
that it is the synonym yo the word 'superseded' while other consider
it to be 'deprectaed' as well.  I propose to provide the clarity on
this terms.

 I bring to your attention RFC-4450, in which we made a bulk status
 change of a bunch of PS to Historic precisely because we couldn't find
 anyone using those protocols.  However, such observations are
 imprecise.  For one, it is hard to observe what is going on on the
 Internet, and those who do don't usually share their data (there is
 some, but it is often regionally based, like the GINORMOUS store at
 ETHZ).  Another issue is that a protocol that is not detectable on the
 Internet might be in use on private networks.

When we say 'out-of-use' we consider the usage of something in the
overall Internet.  It is mostly not very difficault to find this out
via those people who take part in the IETF.

You've also given me the idea to mention the criterion for 'obsoleted'
documents such as it is the retired or revised Internet standard, per
RFC 2026.  I'll make this change in my working copy of the draft.

All the best,
Mykyta Yevstifeyev

 Eliot



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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-03 Thread Andrew Sullivan
On Thu, Mar 03, 2011 at 11:27:21AM +0200, Mykyta Yevstifeyev wrote:
 2011/3/2, Eliot Lear l...@cisco.com:

  imprecise.  For one, it is hard to observe what is going on on the
  Internet, and those who do don't usually share their data (there is
  some, but it is often regionally based, like the GINORMOUS store at
  ETHZ).  Another issue is that a protocol that is not detectable on the
  Internet might be in use on private networks.
 
 When we say 'out-of-use' we consider the usage of something in the
 overall Internet.  It is mostly not very difficault to find this out
 via those people who take part in the IETF.

If I read the above exchange correctly, Eliot Lear points out that it
is difficult to observe what's going on all over the Internet, on the
premise that the Internet is a bunch of interconnected networks and
you can't be sure that you've actually observed all of those networks
(some of which might be closed to you).

In response, Mykyta Yevstifeyev says, Oh, that's not hard.  People at
the IETF know.  This has no supporting argument for it at all.

I would like to suggest that the former position is the better one to
take.

A

-- 
Andrew Sullivan
a...@shinkuro.com
Shinkuro, Inc.
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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-03 Thread Mykyta Yevstifeyev

03.03.2011 13:56, Andrew Sullivan wrote:

On Thu, Mar 03, 2011 at 11:27:21AM +0200, Mykyta Yevstifeyev wrote:

2011/3/2, Eliot Learl...@cisco.com:

imprecise.  For one, it is hard to observe what is going on on the
Internet, and those who do don't usually share their data (there is
some, but it is often regionally based, like the GINORMOUS store at
ETHZ).  Another issue is that a protocol that is not detectable on the
Internet might be in use on private networks.


When we say 'out-of-use' we consider the usage of something in the
overall Internet.  It is mostly not very difficault to find this out
via those people who take part in the IETF.

If I read the above exchange correctly, Eliot Lear points out that it
is difficult to observe what's going on all over the Internet, on the
premise that the Internet is a bunch of interconnected networks and
you can't be sure that you've actually observed all of those networks
(some of which might be closed to you).

In response, Mykyta Yevstifeyev says, Oh, that's not hard.  People at
the IETF know.  This has no supporting argument for it at all.

I would like to suggest that the former position is the better one to
take.

Andrew, in this case how do you propose to formulate this?  Mykyta

A



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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-03 Thread Joel M. Halpern
There are, in my opinion, two problems with Mr. Yevstifeyev's assertion 
below that it is easy to determine when things are out of use.
The first point, to echo Andrew Sullivan, is that even if a protocol is 
in use on the public Internet, it is not always easy to detect.  It may 
be used in only some portions of the net.  It may be used inside some 
other protocol that makies detection ahrder.
The second point is that enterprise uses and other private network uses 
are still valid uses.  The fact that a protocol may be used only inside 
a virtual private network, or only inside a corporate data center, or in 
only within a military facility, does NOT mean that it is not used. 
Such limited use is still valid use and should not result in our 
declaring something obsolete.


Yours,
Joel

On 3/3/2011 4:27 AM, Mykyta Yevstifeyev wrote:

Hello Eliot,

Thank you for reading the document.  Pleas efind some comments in-line.

2011/3/2, Eliot Learl...@cisco.com:

...

I bring to your attention RFC-4450, in which we made a bulk status
change of a bunch of PS to Historic precisely because we couldn't find
anyone using those protocols.  However, such observations are
imprecise.  For one, it is hard to observe what is going on on the
Internet, and those who do don't usually share their data (there is
some, but it is often regionally based, like the GINORMOUS store at
ETHZ).  Another issue is that a protocol that is not detectable on the
Internet might be in use on private networks.


When we say 'out-of-use' we consider the usage of something in the
overall Internet.  It is mostly not very difficault to find this out
via those people who take part in the IETF.

...
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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-03 Thread Dave CROCKER



On 3/3/2011 7:11 AM, Joel M. Halpern wrote:

The first point, to echo Andrew Sullivan, is that even if a protocol is in use
on the public Internet, it is not always easy to detect.

...

The second point is that enterprise uses and other private network uses are
still valid uses. The fact that a protocol may be used only inside a virtual
private network, or only inside a corporate data center, or in only within a
military facility, does NOT mean that it is not used. Such limited use is still
valid use and should not result in our declaring something obsolete.



+1

Declaration of historic needs to be based on affirmative data.  The declaration 
is actually only important to make for protocols that are known to be problematic.


Issuing a declaration for mere non-use is a matter of convenience, not need, 
IMO.

d/
--

  Dave Crocker
  Brandenburg InternetWorking
  bbiw.net
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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-03 Thread Peter Saint-Andre
On 3/3/11 8:18 AM, Dave CROCKER wrote:
 
 
 On 3/3/2011 7:11 AM, Joel M. Halpern wrote:
 The first point, to echo Andrew Sullivan, is that even if a protocol
 is in use
 on the public Internet, it is not always easy to detect.
 ...
 The second point is that enterprise uses and other private network
 uses are
 still valid uses. The fact that a protocol may be used only inside a
 virtual
 private network, or only inside a corporate data center, or in only
 within a
 military facility, does NOT mean that it is not used. Such limited use
 is still
 valid use and should not result in our declaring something obsolete.
 
 
 +1
 
 Declaration of historic needs to be based on affirmative data.  The
 declaration is actually only important to make for protocols that are
 known to be problematic.
 
 Issuing a declaration for mere non-use is a matter of convenience, not
 need, IMO.

And, further, probably it would not be worth the trouble to investigate
whether a protocol is not actually used (proving a negative is hard).

Peter

-- 
Peter Saint-Andre
https://stpeter.im/





smime.p7s
Description: S/MIME Cryptographic Signature
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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-03 Thread Mykyta Yevstifeyev

Joel,

I agree with you that it is really hard and even impossible to determine 
what is going on in the Internet regarding some technology, protocol, 
etc.   If we set the impossible criterion for the Historic documents, 
this will really make very few sense.  So, as I have been pointed out, I 
find removing the regulation about 'out-of-use' technology at all quite 
acceptable.  Do you agree?


And as for the comment from Dave.

03.03.2011 17:18, Dave CROCKER wrote:



On 3/3/2011 7:11 AM, Joel M. Halpern wrote:
The first point, to echo Andrew Sullivan, is that even if a protocol 
is in use

on the public Internet, it is not always easy to detect.

...
The second point is that enterprise uses and other private network 
uses are
still valid uses. The fact that a protocol may be used only inside a 
virtual
private network, or only inside a corporate data center, or in only 
within a
military facility, does NOT mean that it is not used. Such limited 
use is still

valid use and should not result in our declaring something obsolete.



+1

Declaration of historic needs to be based on affirmative data.  The 
declaration is actually only important to make for protocols that are 
known to be problematic.

This is already covered by the 'deprecated' criteria in my draft.

All the best,
Mykyta Yevstifeyev


Issuing a declaration for mere non-use is a matter of convenience, not 
need, IMO.


d/


03.03.2011 17:11, Joel M. Halpern wrote:
There are, in my opinion, two problems with Mr. Yevstifeyev's 
assertion below that it is easy to determine when things are out of use.
The first point, to echo Andrew Sullivan, is that even if a protocol 
is in use on the public Internet, it is not always easy to detect.  It 
may be used in only some portions of the net.  It may be used inside 
some other protocol that makies detection ahrder.
The second point is that enterprise uses and other private network 
uses are still valid uses.  The fact that a protocol may be used only 
inside a virtual private network, or only inside a corporate data 
center, or in only within a military facility, does NOT mean that it 
is not used. Such limited use is still valid use and should not result 
in our declaring something obsolete.


Yours,
Joel

On 3/3/2011 4:27 AM, Mykyta Yevstifeyev wrote:

Hello Eliot,

Thank you for reading the document.  Pleas efind some comments in-line.

2011/3/2, Eliot Learl...@cisco.com:

...

I bring to your attention RFC-4450, in which we made a bulk status
change of a bunch of PS to Historic precisely because we couldn't find
anyone using those protocols.  However, such observations are
imprecise.  For one, it is hard to observe what is going on on the
Internet, and those who do don't usually share their data (there is
some, but it is often regionally based, like the GINORMOUS store at
ETHZ).  Another issue is that a protocol that is not detectable on the
Internet might be in use on private networks.


When we say 'out-of-use' we consider the usage of something in the
overall Internet.  It is mostly not very difficault to find this out
via those people who take part in the IETF.

...



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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-03 Thread Joel M. Halpern

No, I do not agree with you.
Our current definition for historic, and our current choices for when to 
move things, have worked sufficiently well.

I have not seen any evidence that there is a problem that needs solving.
I have also not seen any evidence that the changes you propose to the 
definitions would help anything.


Yes, there are problems with our current definitions.
Those problems serve to keep us from declaring something historic when 
we shouldn't.
They do, as a side effect, make it harder to declare things historic 
even if they actually are?
I will even agree that there is a small cost to that.  Users of our 
standards may sometimes think some things are relevant that aren't.


But changing the definitions to make it easier to change the status does 
not actually change the problem.  The problem is that it is hard for 
anyone (the IETF, vendors, operators) to reliably know what is actually 
in use.


Yours,
Joel

PS: I have actually noticed with several specifications I worked with 
that it can easily take 5 or 10 years for the actual usage (often not 
the initially expected usage) for a standards track or experimental 
protocol to emerge.  So premature declaration taht something is historic 
can do actual damage.


On 3/3/2011 10:28 AM, Mykyta Yevstifeyev wrote:

Joel,

I agree with you that it is really hard and even impossible to determine
what is going on in the Internet regarding some technology, protocol,
etc. If we set the impossible criterion for the Historic documents, this
will really make very few sense. So, as I have been pointed out, I find
removing the regulation about 'out-of-use' technology at all quite
acceptable. Do you agree?

And as for the comment from Dave.

03.03.2011 17:18, Dave CROCKER wrote:



On 3/3/2011 7:11 AM, Joel M. Halpern wrote:

The first point, to echo Andrew Sullivan, is that even if a protocol
is in use
on the public Internet, it is not always easy to detect.

...

The second point is that enterprise uses and other private network
uses are
still valid uses. The fact that a protocol may be used only inside a
virtual
private network, or only inside a corporate data center, or in only
within a
military facility, does NOT mean that it is not used. Such limited
use is still
valid use and should not result in our declaring something obsolete.



+1

Declaration of historic needs to be based on affirmative data. The
declaration is actually only important to make for protocols that are
known to be problematic.

This is already covered by the 'deprecated' criteria in my draft.

All the best,
Mykyta Yevstifeyev


Issuing a declaration for mere non-use is a matter of convenience, not
need, IMO.

d/


03.03.2011 17:11, Joel M. Halpern wrote:

There are, in my opinion, two problems with Mr. Yevstifeyev's
assertion below that it is easy to determine when things are out of use.
The first point, to echo Andrew Sullivan, is that even if a protocol
is in use on the public Internet, it is not always easy to detect. It
may be used in only some portions of the net. It may be used inside
some other protocol that makies detection ahrder.
The second point is that enterprise uses and other private network
uses are still valid uses. The fact that a protocol may be used only
inside a virtual private network, or only inside a corporate data
center, or in only within a military facility, does NOT mean that it
is not used. Such limited use is still valid use and should not result
in our declaring something obsolete.

Yours,
Joel

On 3/3/2011 4:27 AM, Mykyta Yevstifeyev wrote:

Hello Eliot,

Thank you for reading the document. Pleas efind some comments in-line.

2011/3/2, Eliot Learl...@cisco.com:

...

I bring to your attention RFC-4450, in which we made a bulk status
change of a bunch of PS to Historic precisely because we couldn't find
anyone using those protocols. However, such observations are
imprecise. For one, it is hard to observe what is going on on the
Internet, and those who do don't usually share their data (there is
some, but it is often regionally based, like the GINORMOUS store at
ETHZ). Another issue is that a protocol that is not detectable on the
Internet might be in use on private networks.


When we say 'out-of-use' we consider the usage of something in the
overall Internet. It is mostly not very difficault to find this out
via those people who take part in the IETF.

...





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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-03 Thread RJ Atkinson
Earlier, Joel Halpern wrote:
 The first point, to echo Andrew Sullivan, is that even if a protocol
 is in use on the public Internet, it is not always easy to detect.
 It may be used in only some portions of the net.  It may be used
 inside some other protocol that makes detection ahrder. 
 
 The second point is that enterprise uses and other private network uses 
 are still valid uses. The fact that a protocol may be used only inside 
 a virtual private network, or only inside a corporate data center,
 or in only within a military facility, does NOT mean that it is not used. 
 Such limited use is still valid use and should not result in our 
 declaring something obsolete.

+1 to all of the above.  


As an example of the 2nd point above, earlier this decade the IESG 
erroneously reclassified RFC-1108 as Historic, apparently because they 
perceived it as not in use, even though it probably has more deployment 
and broader implementation now than 10 or 15 years ago.  
Here are 3 examples of modern products that support it:
- Cisco IOS still supports RFC-1108, and has since the early 1990s.
  
http://www.cisco.com/en/US/docs/ios/sec_data_plane/configuration/guide/sec_cfg_ip_security.html
- Oracle (Sun) Solaris supports it, although they call it RIPSO.
  
http://download.oracle.com/docs/cd/E19109-01/tsolaris8/816-1048/6m7gaddht/index.html
- Trusted Linux/SE Linux also supports it.
  http://www.nsa.gov/research/selinux/list-archive/0605/thread_body18.shtml


A third issue is that one of the apparent objectives is to reclassify 
a large number of RFCs that pre-date the IETF, and/or that were NOT 
published as IETF track RFCs.  What we now call the Individual 
Submission track is the oldest track of all, since the IETF 
did not even exist until the middle 1980s, yet RFCs go back to 1969.


Fourth, it is not appropriate for the IETF (or IESG) to reclassify any 
RFC that was not originally published as an IETF track RFC.  The IETF
simply lacks authority to reclassify such RFCs, although if the 
original author explicitly consents in advance to the reclassification
(e.g. recently for MD2/MD4) this can be done.  This is particularly 
true for the older RFCs that appear to be the target of this I-D and 
I-D author.  For those older RFCs, it isn't even the case the the 
IETF Trust (or ISoc) hold any well defined rights.


So the document also needs to clearly say that only IETF track RFCs
are within the scope of this document, and that the document does
not apply to RFCs which pre-date the IETF existence or that were
not published as IETF-track RFCs.

Yours,

Ran



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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-03 Thread John C Klensin


--On Thursday, March 03, 2011 10:41 -0500 Joel M. Halpern
j...@joelhalpern.com wrote:

 No, I do not agree with you.
 Our current definition for historic, and our current choices
 for when to move things, have worked sufficiently well.
 I have not seen any evidence that there is a problem that
 needs solving.
 I have also not seen any evidence that the changes you propose
 to the definitions would help anything.
 
 Yes, there are problems with our current definitions.
 Those problems serve to keep us from declaring something
 historic when we shouldn't.
...

I pretty much agree with Joel (and others), but suggest that
there is another, better, solution to this problem (or at least
the version of it I understand).

Ultimately, whether under 2026 or your proposal, there are
ultimately two reasons for making something historic (this is
different from your Section 2 list; more about that below):

(i) No one is using the protocol and no one cares any
more about it. 

(ii) The protocol contains elements or defects that, in
retrospect, make it dangerous.

With the exceptions that are already covered by the existing
Obsoleted by category, the first is, as Joel points out, hard
to identify and get agreement about.   As other have suggested,
no one cares means no one cares, i.e., that putting
significant energy into trying to identify and classify those
documents is probably not a good use of community resources.
Reaching formal agreement about the second effectively requires
publication of an RFC that describes the problem, at which point
Obsoletes can be used and there is no reason to develop new
procedures.

For the few cases that are actually worth it, we do have the
ability to approve and publish documents that identify a
protocol as not recommended.  We don't use stand-alone
Applicability Statements very often any more, especially for
that purpose, but, if a particular protocol deserved the effort,
it would be lots easier --and lots less wear and tear on the
community in review and the RFC Editor in publication-- to write
an I-D that said the protocol described in RFC  has turned
out to be a bad idea because... Its use is Not Recommended.
than to republish or historicize as you suggest.

Trying to turn Historic even more into an ambiguous synonym for
old, unused, uninteresting, or bad just does not strike
me as a good idea, especially with the possibility of
applicability statements that are orthogonal to maturity level
classification on the books.

FWIW, your republication as historic approach is not feasible
for documents more than a few years old.  The rules about
information to be included in RFCs, how that information is
structured, IPR statements, etc., have evolved over the years.
Permitting republication of an old RFC in facsimile would often
break those rules.  Figuring out the mechanisms for getting
around that would cost far more in resources than the community
is, I believe, willing to invest.  If I thought that another
iteration would improve this proposal enough to make it
acceptable, I'd recommend that your Section 3.1 should be
required to address republication of new documents with
identical technical content with old ones in the light of those
rules.   But I don't think that is the case.

On a note of sadness rather than as a sales pitch, the community
has discussed several ways of dealing with what I think it the
underlying problem you are trying to address -- getting readers
of RFCs the most up to date information possible about those
documents and the status of the protocols they describe.   At
least some of them would have worked better than this, with less
load on the community.  For whatever reasons, none of them have
achieved sufficient consensus to move forward.  Against that
background, I can't imagine what would cause us to adopt a
weaker proposal that required more work.

regards,
john

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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-03 Thread Andrew Sullivan
On Thu, Mar 03, 2011 at 04:57:39PM +0200, Mykyta Yevstifeyev wrote:

 Andrew, in this case how do you propose to formulate this?  Mykyta

Not?  The goal you appear to have in this is to make the RFC series
tidy.  As the co-chair of a WG with an old and decidedly messy set of
protocol documents, I understand and value that desire.  But as the
same co-chair, I have to tell you that any assertion that some feature
(even if you think it is a dumb one that nobody ever should have used
anywhere for any reason) is unused is the sort of thing that leads you
into discussions of angels and pin-heads, trees falling in forests
with no-one to hear, and so no.

Heck, over in DNS land, we are barely willing to rely on features of
the protocol if we know that there is a 10 year old but once
widely-deployed piece of software that violated or didn't implement
that feature.

Setting up criteria that are formally nice but for which it is
impossible to construct a test is a bad idea.

A

-- 
Andrew Sullivan
a...@shinkuro.com
Shinkuro, Inc.
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Re: Request for review of draft-yevstifeyev-genarea-historic-03

2011-03-02 Thread Eliot Lear
Thank you for the opportunity to review this draft.  I do so merely as
an individual.  It might be a good idea to provide some additional
clarity on when to market something Historic, but your document requires
a bit of clarity on its own as to what your motivating logic is.  Why,
for instance, do you believe it is important to split deprecated and
obsoleted?  Also, Scott had to choose some language to describe
Historic.  He probably did not mean for us to get hung up on the word
superceded, a problem from which this draft seems to suffer.

I bring to your attention RFC-4450, in which we made a bulk status
change of a bunch of PS to Historic precisely because we couldn't find
anyone using those protocols.  However, such observations are
imprecise.  For one, it is hard to observe what is going on on the
Internet, and those who do don't usually share their data (there is
some, but it is often regionally based, like the GINORMOUS store at
ETHZ).  Another issue is that a protocol that is not detectable on the
Internet might be in use on private networks.

Eliot


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