
From christopher.morrow@gmail.com  Fri Mar  1 08:36:39 2013
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From: Christopher Morrow <morrowc.lists@gmail.com>
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Subject: Re: [sidr] WGLC: draft-ietf-sidr-cps (end 2013-03-07 - Mar 07, 2013)
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Great... so assuming the authors deal with this set of comments we'll
ask them to spin a new version and submit that for WGLC when it
arrives?

Does that seem like a good path for those still listening?

-chris
co-chair-1-of-3

On Thu, Feb 28, 2013 at 9:30 AM, Sean Turner <turners@ieca.com> wrote:
> Below are some comments on the draft.  I also submitted my nits to the
> editors.
>
> 0) Based on the assumption that draft-newton-sidr-policy-qualifiers will be
> adopted because that's what the RIRs want should s1.2 or 1.5 also include
> some information about where it can be found?  This information would be
> identical to the URI included in the policy qualifier?
>
> 1) s1.6: CP - Is it worth nothing that there might be another CP for the
> BPKI?
>
> 2) s4.6.1: Not sure if this needs to go here but don't we need to say
> something about not renewing certificates forever?
>
> 3) draft-ietf-sidr-rtr-keying describes the procedures for operator
> generated keys (i.e., those that are not router generated).  A couple of
> questions come to mind:
>
> a) Should the CPS point to that draft in s6.1.2 or will the CPS be updated
> when draft-ietf-sidr-rtr-keying is published?
>
> b) draft-ietf-sidr-rtr-keying allows operators sign the private keys they
> generate and subsequently send back to the router.  Should this be
> explicitly called out in s4.5.1.  For s.4.5.2, is the returned signed-key an
> RPKI-Signed Object?
>
> spt
>
>
> On 2/21/13 11:30 PM, Chris Morrow wrote:
>>
>> WG folks,
>> As the subject states, let's please start a WGLC poll for the document:
>>     draft-ietf-sidr-cps-01
>>     <http://tools.ietf.org/html/draft-ietf-sidr-cps-01>
>>
>> with the abstract:
>>    "This document contains a template to be used for creating a
>>     Certification Practice Statement (CPS) for an Organization that is
>>     part of the Resource Public Key Infrastructure (RPKI), e.g., a
>>     resource allocation registry or an ISP."
>>
>> So far the authors have made a few revisions, with updates based on
>> comments/feedback, at this time the document has been stable for more
>> than 6 months time, let's move this along if there are no further
>> issues/addendums/questions/appendixes.
>>
>> thanks!
>> -chris
>> co-chair-1-of-3
>> _______________________________________________
>> sidr mailing list
>> sidr@ietf.org
>> https://www.ietf.org/mailman/listinfo/sidr
>>
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

From turners@ieca.com  Mon Mar  4 08:08:33 2013
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Cc: sidr wg list <sidr@ietf.org>
Subject: Re: [sidr] WGLC: draft-ietf-sidr-cps (end 2013-03-07 - Mar 07, 2013)
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Sounds like a plan to me.

spt

On 3/1/13 11:36 AM, Christopher Morrow wrote:
> Great... so assuming the authors deal with this set of comments we'll
> ask them to spin a new version and submit that for WGLC when it
> arrives?
>
> Does that seem like a good path for those still listening?
>
> -chris
> co-chair-1-of-3
>
> On Thu, Feb 28, 2013 at 9:30 AM, Sean Turner <turners@ieca.com> wrote:
>> Below are some comments on the draft.  I also submitted my nits to the
>> editors.
>>
>> 0) Based on the assumption that draft-newton-sidr-policy-qualifiers will be
>> adopted because that's what the RIRs want should s1.2 or 1.5 also include
>> some information about where it can be found?  This information would be
>> identical to the URI included in the policy qualifier?
>>
>> 1) s1.6: CP - Is it worth nothing that there might be another CP for the
>> BPKI?
>>
>> 2) s4.6.1: Not sure if this needs to go here but don't we need to say
>> something about not renewing certificates forever?
>>
>> 3) draft-ietf-sidr-rtr-keying describes the procedures for operator
>> generated keys (i.e., those that are not router generated).  A couple of
>> questions come to mind:
>>
>> a) Should the CPS point to that draft in s6.1.2 or will the CPS be updated
>> when draft-ietf-sidr-rtr-keying is published?
>>
>> b) draft-ietf-sidr-rtr-keying allows operators sign the private keys they
>> generate and subsequently send back to the router.  Should this be
>> explicitly called out in s4.5.1.  For s.4.5.2, is the returned signed-key an
>> RPKI-Signed Object?
>>
>> spt
>>
>>
>> On 2/21/13 11:30 PM, Chris Morrow wrote:
>>>
>>> WG folks,
>>> As the subject states, let's please start a WGLC poll for the document:
>>>      draft-ietf-sidr-cps-01
>>>      <http://tools.ietf.org/html/draft-ietf-sidr-cps-01>
>>>
>>> with the abstract:
>>>     "This document contains a template to be used for creating a
>>>      Certification Practice Statement (CPS) for an Organization that is
>>>      part of the Resource Public Key Infrastructure (RPKI), e.g., a
>>>      resource allocation registry or an ISP."
>>>
>>> So far the authors have made a few revisions, with updates based on
>>> comments/feedback, at this time the document has been stable for more
>>> than 6 months time, let's move this along if there are no further
>>> issues/addendums/questions/appendixes.
>>>
>>> thanks!
>>> -chris
>>> co-chair-1-of-3
>>> _______________________________________________
>>> sidr mailing list
>>> sidr@ietf.org
>>> https://www.ietf.org/mailman/listinfo/sidr
>>>
>> _______________________________________________
>> sidr mailing list
>> sidr@ietf.org
>> https://www.ietf.org/mailman/listinfo/sidr
>

From Sandra.Murphy@sparta.com  Mon Mar  4 14:14:33 2013
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From: "Murphy, Sandra" <Sandra.Murphy@sparta.com>
To: "George, Wes" <wesley.george@twcable.com>
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I thought I asked you this but I don't seem to see anything in my sent fold=
er.

Do  you want to speak (or want me to speak) about the as-migration draft on=
 the sidr agenda?

--Sandy

________________________________________
From: Murphy, Sandra
Sent: Monday, February 25, 2013 4:03 PM
To: sidr@ietf.org
Subject: request for agenda items

Any who would like to speak at sidr in the IETF86 meeting in Orlando, pleas=
e do send a message to the chairs and/or list.

--Sandy Murphy, speaking as one of the wg co-chairs=

From dmandelb@bbn.com  Mon Mar  4 15:16:37 2013
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Subject: Re: [sidr] WGLC:  draft-ietf-sidr-cps (end 2013-03-07 - Mar 07, 2013)
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Overall this looks good. I found one minor issue and a bunch of nits,
and I have some questions:


= minor =

4.6.7. Notification of Certificate Issuance by the CA to Other Entities:
There is no section 4.4.3.


= questions =

1.5.1. Organization administering the document: Should the address
and/or website of the organization also be included? That could help
disambiguate when there are multiple organizations with the same or
similar names.

4.1.2. Enrollment Process and Responsibilities: I found the second
sentence unclear. Are you trying to tell registries and ISPs that
certificates should be issued as part of their normal business
practices? Are you trying to say that *if* certificates are issued as
part of normal business practices *then* "a separate application to
request a certificate may not be necessary"?

4.6.1. Circumstance for Certificate Renewal: The phrase "unless the
private key has been reported as compromised" doesn't specify how a
compromised key can be reported. Should there be a reference to section
4.9.3?

4.7.1. Circumstance for Certificate Re-key: What Certificate Policy is
"Section 5.6 of the Certificate Policy" referring to? Section 5.6 of
RFC6484 doesn't mention validity intervals.

5.4.1. Types of Events Recorded: Why aren't "Key generation", "Software
and/or configuration updates to the CA", and "Clock adjustments" listed?

5.6. Key Changeover: Does mention of validity intervals belong in this
section?


= nits =

Multiple places: Should "the RPKI CP" be changed to "[RFC6484]"?

Preface: item 5 lists "Acknowledgments" three times (twice as
"Acknowledgments", once as "12").

1. Introduction: "(INRs, see definition in Section 1.7)" references a
non-existent section 1.7.

1.1. Overview: Change "as described in 2.4" to "as described in Section
2.4".

1.4.1. Appropriate Certificate Uses: Change "2.4" to "Section 2.4".

2.2. Publication of Certification Information: Should the hyphen in
"RPKI-signed objects" be changed to a space?

2.3. Time or Frequency of Publication: Change "nextScheduledUpdate" to
"nextUpdate".

3.1.2. Need for Names to be Meaningful: The first two sentences seem
redundant with section 3.1.5.

3.2.6. Criteria for Interoperation: Change "e g." to "e.g.".

4.1.1. Who Can Submit a Certificate Application: Should "this
Organization" be changed to "<Name of Organization>"?

4.2.2. Approval or Rejection of Certificate Applications: Change "3.2.1"
to "Section 3.2.1".

4.4.2. Publication of the Certificate by the CA: Insert space in
"notified>.<Describe".

4.6.4. Notification of New Certificate Issuance to Subscriber: Change
"4.3.2" to "Section 4.3.2".

4.7.2. Who May Request Certification of a New Public Key: Change "or" in
"holder or a certificate" to "of".

4.9.7. CRL Issuance Frequency: Change "nextScheduledUpdate" to
"nextUpdate".

5.7. Compromise and disaster recovery [OMITTED] and 5.8. CA or RA
Termination: These section numbers don't match up with rfc 6484.


From terry.manderson@icann.org  Mon Mar  4 15:40:46 2013
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From: Terry Manderson <terry.manderson@icann.org>
To: Christopher Morrow <morrowc.lists@gmail.com>
Date: Mon, 4 Mar 2013 15:40:29 -0800
Thread-Topic: [sidr] WGLC: draft-ietf-sidr-cps (end 2013-03-07 - Mar 07, 2013)
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Subject: Re: [sidr] WGLC: draft-ietf-sidr-cps (end 2013-03-07 - Mar 07, 2013)
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I'll go along with that.=20

I'm not seeing any major structural alterations to the draft (at this stage=
) by doing that.=20

Cheers,
Terry

On 02/03/2013, at 2:37 AM, "Christopher Morrow" <morrowc.lists@gmail.com> w=
rote:

> Great... so assuming the authors deal with this set of comments we'll
> ask them to spin a new version and submit that for WGLC when it
> arrives?
>=20
> Does that seem like a good path for those still listening?
>=20
> -chris
> co-chair-1-of-3
>=20
> On Thu, Feb 28, 2013 at 9:30 AM, Sean Turner <turners@ieca.com> wrote:
>> Below are some comments on the draft.  I also submitted my nits to the
>> editors.
>>=20
>> 0) Based on the assumption that draft-newton-sidr-policy-qualifiers will=
 be
>> adopted because that's what the RIRs want should s1.2 or 1.5 also includ=
e
>> some information about where it can be found?  This information would be
>> identical to the URI included in the policy qualifier?
>>=20
>> 1) s1.6: CP - Is it worth nothing that there might be another CP for the
>> BPKI?
>>=20
>> 2) s4.6.1: Not sure if this needs to go here but don't we need to say
>> something about not renewing certificates forever?
>>=20
>> 3) draft-ietf-sidr-rtr-keying describes the procedures for operator
>> generated keys (i.e., those that are not router generated).  A couple of
>> questions come to mind:
>>=20
>> a) Should the CPS point to that draft in s6.1.2 or will the CPS be updat=
ed
>> when draft-ietf-sidr-rtr-keying is published?
>>=20
>> b) draft-ietf-sidr-rtr-keying allows operators sign the private keys the=
y
>> generate and subsequently send back to the router.  Should this be
>> explicitly called out in s4.5.1.  For s.4.5.2, is the returned signed-ke=
y an
>> RPKI-Signed Object?
>>=20
>> spt
>>=20
>>=20
>> On 2/21/13 11:30 PM, Chris Morrow wrote:
>>>=20
>>> WG folks,
>>> As the subject states, let's please start a WGLC poll for the document:
>>>    draft-ietf-sidr-cps-01
>>>    <http://tools.ietf.org/html/draft-ietf-sidr-cps-01>
>>>=20
>>> with the abstract:
>>>   "This document contains a template to be used for creating a
>>>    Certification Practice Statement (CPS) for an Organization that is
>>>    part of the Resource Public Key Infrastructure (RPKI), e.g., a
>>>    resource allocation registry or an ISP."
>>>=20
>>> So far the authors have made a few revisions, with updates based on
>>> comments/feedback, at this time the document has been stable for more
>>> than 6 months time, let's move this along if there are no further
>>> issues/addendums/questions/appendixes.
>>>=20
>>> thanks!
>>> -chris
>>> co-chair-1-of-3
>>> _______________________________________________
>>> sidr mailing list
>>> sidr@ietf.org
>>> https://www.ietf.org/mailman/listinfo/sidr
>> _______________________________________________
>> sidr mailing list
>> sidr@ietf.org
>> https://www.ietf.org/mailman/listinfo/sidr
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

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Cc: sidr wg list <sidr@ietf.org>
Subject: Re: [sidr] WGLC: draft-ietf-sidr-cps (end 2013-03-07 - Mar 07, 2013)
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I guess I should have also said that I support moving this draft down 
the path towards publication.

spt

On 3/4/13 6:40 PM, Terry Manderson wrote:
> I'll go along with that.
>
> I'm not seeing any major structural alterations to the draft (at this stage) by doing that.
>
> Cheers,
> Terry
>
> On 02/03/2013, at 2:37 AM, "Christopher Morrow" <morrowc.lists@gmail.com> wrote:
>
>> Great... so assuming the authors deal with this set of comments we'll
>> ask them to spin a new version and submit that for WGLC when it
>> arrives?
>>
>> Does that seem like a good path for those still listening?
>>
>> -chris
>> co-chair-1-of-3
>>
>> On Thu, Feb 28, 2013 at 9:30 AM, Sean Turner <turners@ieca.com> wrote:
>>> Below are some comments on the draft.  I also submitted my nits to the
>>> editors.
>>>
>>> 0) Based on the assumption that draft-newton-sidr-policy-qualifiers will be
>>> adopted because that's what the RIRs want should s1.2 or 1.5 also include
>>> some information about where it can be found?  This information would be
>>> identical to the URI included in the policy qualifier?
>>>
>>> 1) s1.6: CP - Is it worth nothing that there might be another CP for the
>>> BPKI?
>>>
>>> 2) s4.6.1: Not sure if this needs to go here but don't we need to say
>>> something about not renewing certificates forever?
>>>
>>> 3) draft-ietf-sidr-rtr-keying describes the procedures for operator
>>> generated keys (i.e., those that are not router generated).  A couple of
>>> questions come to mind:
>>>
>>> a) Should the CPS point to that draft in s6.1.2 or will the CPS be updated
>>> when draft-ietf-sidr-rtr-keying is published?
>>>
>>> b) draft-ietf-sidr-rtr-keying allows operators sign the private keys they
>>> generate and subsequently send back to the router.  Should this be
>>> explicitly called out in s4.5.1.  For s.4.5.2, is the returned signed-key an
>>> RPKI-Signed Object?
>>>
>>> spt
>>>
>>>
>>> On 2/21/13 11:30 PM, Chris Morrow wrote:
>>>>
>>>> WG folks,
>>>> As the subject states, let's please start a WGLC poll for the document:
>>>>     draft-ietf-sidr-cps-01
>>>>     <http://tools.ietf.org/html/draft-ietf-sidr-cps-01>
>>>>
>>>> with the abstract:
>>>>    "This document contains a template to be used for creating a
>>>>     Certification Practice Statement (CPS) for an Organization that is
>>>>     part of the Resource Public Key Infrastructure (RPKI), e.g., a
>>>>     resource allocation registry or an ISP."
>>>>
>>>> So far the authors have made a few revisions, with updates based on
>>>> comments/feedback, at this time the document has been stable for more
>>>> than 6 months time, let's move this along if there are no further
>>>> issues/addendums/questions/appendixes.
>>>>
>>>> thanks!
>>>> -chris
>>>> co-chair-1-of-3
>>>> _______________________________________________
>>>> sidr mailing list
>>>> sidr@ietf.org
>>>> https://www.ietf.org/mailman/listinfo/sidr
>>> _______________________________________________
>>> sidr mailing list
>>> sidr@ietf.org
>>> https://www.ietf.org/mailman/listinfo/sidr
>> _______________________________________________
>> sidr mailing list
>> sidr@ietf.org
>> https://www.ietf.org/mailman/listinfo/sidr
>

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Subject: Re: [sidr] WGLC: draft-ietf-sidr-cps (end 2013-03-07 - Mar 07, 2013)
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On Mon, Mar 4, 2013 at 6:56 PM, Sean Turner <turners@ieca.com> wrote:
> I guess I should have also said that I support moving this draft down the
> path towards publication.
>

I got that :) I am/was/am waiting for the next rev to pop into the tracker.

> spt
>
>
> On 3/4/13 6:40 PM, Terry Manderson wrote:
>>
>> I'll go along with that.
>>
>> I'm not seeing any major structural alterations to the draft (at this
>> stage) by doing that.
>>
>> Cheers,
>> Terry
>>
>> On 02/03/2013, at 2:37 AM, "Christopher Morrow" <morrowc.lists@gmail.com>
>> wrote:
>>
>>> Great... so assuming the authors deal with this set of comments we'll
>>> ask them to spin a new version and submit that for WGLC when it
>>> arrives?
>>>
>>> Does that seem like a good path for those still listening?
>>>
>>> -chris
>>> co-chair-1-of-3
>>>
>>> On Thu, Feb 28, 2013 at 9:30 AM, Sean Turner <turners@ieca.com> wrote:
>>>>
>>>> Below are some comments on the draft.  I also submitted my nits to the
>>>> editors.
>>>>
>>>> 0) Based on the assumption that draft-newton-sidr-policy-qualifiers will
>>>> be
>>>> adopted because that's what the RIRs want should s1.2 or 1.5 also
>>>> include
>>>> some information about where it can be found?  This information would be
>>>> identical to the URI included in the policy qualifier?
>>>>
>>>> 1) s1.6: CP - Is it worth nothing that there might be another CP for the
>>>> BPKI?
>>>>
>>>> 2) s4.6.1: Not sure if this needs to go here but don't we need to say
>>>> something about not renewing certificates forever?
>>>>
>>>> 3) draft-ietf-sidr-rtr-keying describes the procedures for operator
>>>> generated keys (i.e., those that are not router generated).  A couple of
>>>> questions come to mind:
>>>>
>>>> a) Should the CPS point to that draft in s6.1.2 or will the CPS be
>>>> updated
>>>> when draft-ietf-sidr-rtr-keying is published?
>>>>
>>>> b) draft-ietf-sidr-rtr-keying allows operators sign the private keys
>>>> they
>>>> generate and subsequently send back to the router.  Should this be
>>>> explicitly called out in s4.5.1.  For s.4.5.2, is the returned
>>>> signed-key an
>>>> RPKI-Signed Object?
>>>>
>>>> spt
>>>>
>>>>
>>>> On 2/21/13 11:30 PM, Chris Morrow wrote:
>>>>>
>>>>>
>>>>> WG folks,
>>>>> As the subject states, let's please start a WGLC poll for the document:
>>>>>     draft-ietf-sidr-cps-01
>>>>>     <http://tools.ietf.org/html/draft-ietf-sidr-cps-01>
>>>>>
>>>>> with the abstract:
>>>>>    "This document contains a template to be used for creating a
>>>>>     Certification Practice Statement (CPS) for an Organization that is
>>>>>     part of the Resource Public Key Infrastructure (RPKI), e.g., a
>>>>>     resource allocation registry or an ISP."
>>>>>
>>>>> So far the authors have made a few revisions, with updates based on
>>>>> comments/feedback, at this time the document has been stable for more
>>>>> than 6 months time, let's move this along if there are no further
>>>>> issues/addendums/questions/appendixes.
>>>>>
>>>>> thanks!
>>>>> -chris
>>>>> co-chair-1-of-3
>>>>> _______________________________________________
>>>>> sidr mailing list
>>>>> sidr@ietf.org
>>>>> https://www.ietf.org/mailman/listinfo/sidr
>>>>
>>>> _______________________________________________
>>>> sidr mailing list
>>>> sidr@ietf.org
>>>> https://www.ietf.org/mailman/listinfo/sidr
>>>
>>> _______________________________________________
>>> sidr mailing list
>>> sidr@ietf.org
>>> https://www.ietf.org/mailman/listinfo/sidr
>>
>>
>

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Subject: Re: [sidr] WGLC:  draft-ietf-sidr-cps (end 2013-03-07 - Mar 07, 2013)
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On 3/4/13 6:16 PM, David Mandelberg wrote:
> Overall this looks good. I found one minor issue and a bunch of nits,
> and I have some questions:
>
>
> = minor =
>
> 4.6.7. Notification of Certificate Issuance by the CA to Other Entities:
> There is no section 4.4.3.
fixed.
> = questions =
>
> 1.5.1. Organization administering the document: Should the address
> and/or website of the organization also be included? That could help
> disambiguate when there are multiple organizations with the same or
> similar names.
reworded to include these additional pieces of info.
> 4.1.2. Enrollment Process and Responsibilities: I found the second
> sentence unclear. Are you trying to tell registries and ISPs that
> certificates should be issued as part of their normal business
> practices? Are you trying to say that *if* certificates are issued as
> part of normal business practices *then* "a separate application to
> request a certificate may not be necessary"?
the text is saying that an org allocating INRs is already establishing a
relationship with the subject, and thus need not repeat that process when
it issues an RPKI cert.
> 4.6.1. Circumstance for Certificate Renewal: The phrase "unless the
> private key has been reported as compromised" doesn't specify how a
> compromised key can be reported. Should there be a reference to section
> 4.9.3?
added forward pointer.
> 4.7.1. Circumstance for Certificate Re-key: What Certificate Policy is
> "Section 5.6 of the Certificate Policy" referring to? Section 5.6 of
> RFC6484 doesn't mention validity intervals.
The CP used to refer to this validity interval issue, but
it later changed, as did the admonition. We'll delete the paragraph.
> 5.4.1. Types of Events Recorded: Why aren't "Key generation", "Software
> and/or configuration updates to the CA", and "Clock adjustments" listed?
>
> 5.6. Key Changeover: Does mention of validity intervals belong in this
> section?
>
>
> = nits =
>
> Multiple places: Should "the RPKI CP" be changed to "[RFC6484]"?
sure.
> Preface: item 5 lists "Acknowledgments" three times (twice as
> "Acknowledgments", once as "12").
fixed.
> 1. Introduction: "(INRs, see definition in Section 1.7)" references a
> non-existent section 1.7.
changed to 1.6
> 1.1. Overview: Change "as described in 2.4" to "as described in Section
> 2.4".
fixed.
> 1.4.1. Appropriate Certificate Uses: Change "2.4" to "Section 2.4".
fixed
> 2.2. Publication of Certification Information: Should the hyphen in
> "RPKI-signed objects" be changed to a space?
yes, fixed.
> 2.3. Time or Frequency of Publication: Change "nextScheduledUpdate" to
> "nextUpdate".
fixed.
> 3.1.2. Need for Names to be Meaningful: The first two sentences seem
> redundant with section 3.1.5.
removed redundant sentences.
> 3.2.6. Criteria for Interoperation: Change "e g." to "e.g.".
fixed.
> 4.1.1. Who Can Submit a Certificate Application: Should "this
> Organization" be changed to "<Name of Organization>"?
reworded.
> 4.2.2. Approval or Rejection of Certificate Applications: Change "3.2.1"
> to "Section 3.2.1".
fixed
> 4.4.2. Publication of the Certificate by the CA: Insert space in
> "notified>.<Describe".
fixed.
> 4.6.4. Notification of New Certificate Issuance to Subscriber: Change
> "4.3.2" to "Section 4.3.2".
fixed.
> 4.7.2. Who May Request Certification of a New Public Key: Change "or" in
> "holder or a certificate" to "of".
fixed.
> 4.9.7. CRL Issuance Frequency: Change "nextScheduledUpdate" to
> "nextUpdate".
fixed.
> 5.7. Compromise and disaster recovery [OMITTED] and 5.8. CA or RA
> Termination: These section numbers don't match up with rfc 6484.
Whoops. the CP lost an [OMITTED] subsection # here. "CA or RA 
Termination" is supposed to be 5.8, not 5.7.
so the CPS is correct, re alignment with RFC 3647. Guess we'll have to 
issue an editorial errata for the CP.

Steve

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Subject: Re: [sidr] WGLC:  draft-ietf-sidr-cps (end 2013-03-07 - Mar 07, 2013)
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Sean,

Thanks for the review.
> Below are some comments on the draft. I also submitted my nits to the 
> editors.
>
> 0) Based on the assumption that draft-newton-sidr-policy-qualifiers 
> will be adopted because that's what the RIRs want should s1.2 or 1.5 
> also include some information about where it can be found? This 
> information would be identical to the URI included in the policy 
> qualifier?

> 1) s1.6: CP - Is it worth nothing that there might be another CP for 
> the BPKI?
I added the following ext:

If a BPKI is employed by a CA, it may have its own CP, separate from the 
RPKI CP.


> 2) s4.6.1: Not sure if this needs to go here but don't we need to say 
> something about not renewing certificates forever?
I am reluctant to point out one example of a bad PKI practice, when 
there are so many more ...
> 3) draft-ietf-sidr-rtr-keying describes the procedures for operator 
> generated keys (i.e., those that are not router generated). A couple 
> of questions come to mind:
>
> a) Should the CPS point to that draft in s6.1.2 or will the CPS be 
> updated when draft-ietf-sidr-rtr-keying is published?
We could update the CPS with a pointer to rtr-keying when it is 
published. It would be a very minor update,
as an informational reference. If the chairs prefer, we can add a 
reference to the I-D, and have this doc held
in the RFC Editor's queue waiting for that doc to be approved.
> b) draft-ietf-sidr-rtr-keying allows operators sign the private keys 
> they generate and subsequently send back to the router. Should this be 
> explicitly called out in s4.5.1. For s.4.5.2, is the returned 
> signed-key an RPKI-Signed Object?
The first comment does not seem to apply to 4.5.1/2. Could you clarify?

The returned signed-key is not an RPKI signed object, as defined in RFC 
6488. Such objects are stored in the
repository system, not just passed between a local operator's system and 
a router.

Steve

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    Sean,<br>
    <br>
    Thanks for the review.<br>
    <blockquote cite="mid:512F69F1.4090301@ieca.com" type="cite">Below
      are some comments on the draft.&nbsp; I also submitted my nits to the
      editors.
      <br>
      <br>
      0) Based on the assumption that
      draft-newton-sidr-policy-qualifiers will be adopted because that's
      what the RIRs want should s1.2 or 1.5 also include some
      information about where it can be found?&nbsp; This information would
      be identical to the URI included in the policy qualifier?
      <br>
    </blockquote>
    <br>
    <blockquote cite="mid:512F69F1.4090301@ieca.com" type="cite">
      1) s1.6: CP - Is it worth nothing that there might be another CP
      for the BPKI?
      <br>
    </blockquote>
    I added the following ext: <br>
    <br>
    <meta name="Title" content="">
    <p class="MsoPlainText" style="margin-right:-45.0pt">If a BPKI is
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    <blockquote cite="mid:512F69F1.4090301@ieca.com" type="cite">
      2) s4.6.1: Not sure if this needs to go here but don't we need to
      say something about not renewing certificates forever?
      <br>
    </blockquote>
    I am reluctant to point out one example of a bad PKI practice, when
    there are so many more ...<br>
    <blockquote cite="mid:512F69F1.4090301@ieca.com" type="cite">
      3) draft-ietf-sidr-rtr-keying describes the procedures for
      operator generated keys (i.e., those that are not router
      generated).&nbsp; A couple of questions come to mind:
      <br>
      <br>
      a) Should the CPS point to that draft in s6.1.2 or will the CPS be
      updated when draft-ietf-sidr-rtr-keying is published?
      <br>
    </blockquote>
    We could update the CPS with a pointer to rtr-keying when it is
    published. It would be a very minor update,<br>
    as an informational reference. If the chairs prefer, we can add a
    reference to the I-D, and have this doc held <br>
    in the RFC Editor's queue waiting for that doc to be approved.<br>
    <blockquote cite="mid:512F69F1.4090301@ieca.com" type="cite">
      b) draft-ietf-sidr-rtr-keying allows operators sign the private
      keys they generate and subsequently send back to the router.&nbsp;
      Should this be explicitly called out in s4.5.1.&nbsp; For s.4.5.2, is
      the returned signed-key an RPKI-Signed Object?
      <br>
    </blockquote>
    The first comment does not seem to apply to 4.5.1/2. Could you
    clarify?<br>
    <br>
    The returned signed-key is not an RPKI signed object, as defined in
    RFC 6488. Such objects are stored in the <br>
    repository system, not just passed between a local operator's system
    and a router.<br>
    <br>
    Steve<br>
  </body>
</html>

--------------050806090709040507020008--

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Sean,

I forgot to reply to your first comment. See what happens when you label 
it "0"?

0) Based on the assumption that draft-newton-sidr-policy-qualifiers will 
be adopted because that's what the RIRs want should s1.2 or 1.5 also 
include some information about where it can be found?  This information 
would be identical to the URI included in the policy qualifier?

I suggest the following added text for 1.2:

<If this document is available via the Internet, the CA can insert the 
URI for the CPS here. It should be the same URI that appears as a policy 
qualifier in the CA certificate for the CA, if the CA elects to make use 
of that feature.>

Steve

--------------050301040508080209090107
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    Sean,<br>
    <br>
    I forgot to reply to your first comment. See what happens when you
    label it "0"?<br>
    <br>
    0) Based on the assumption that draft-newton-sidr-policy-qualifiers
    will be adopted because that's what the RIRs want should s1.2 or 1.5
    also include some information about where it can be found?&nbsp; This
    information would be identical to the URI included in the policy
    qualifier? <br>
    <br>
    I suggest the following added text for 1.2:<br>
    <br>
    <meta name="Title" content="">
    <span style="font-size:12.0pt;mso-bidi-font-size:10.0pt;
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minor-fareast;mso-ansi-language:EN-US;mso-fareast-language:EN-US;mso-bidi-language:
      AR-SA">&lt;If this document is available via the Internet, the CA
      can insert the URI for
      the CPS here. It should be the same URI that appears as a policy
      qualifier in
      the CA certificate for the CA, if the CA elects to make use of
      that
      feature.&gt;</span>
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    Steve<br>
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--------------050301040508080209090107--

From randy@psg.com  Tue Mar  5 13:56:34 2013
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Date: Wed, 06 Mar 2013 06:56:31 +0900
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From: Randy Bush <randy@psg.com>
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Subject: Re: [sidr] slight whoops ...
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> 0) Based on the assumption that draft-newton-sidr-policy-qualifiers will 
> be adopted

i simply do not understand the utility of that draft

either no one ever sees the urls, or they are a malware attack vector.

randy

From kent@bbn.com  Tue Mar  5 14:44:47 2013
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Subject: Re: [sidr] slight whoops ...
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Typically the rationale for the URI is so that the a CA can satisfy it's 
legal counsel that
potential relying parties have been informed, via the URI, of the 
presence of a CPS, and
that RPs who care can download and read it before maknig use of the 
certs issued by the CA.

Its a CYA mechanism.

Steve

>> 0) Based on the assumption that draft-newton-sidr-policy-qualifiers will
>> be adopted
> i simply do not understand the utility of that draft
>
> either no one ever sees the urls, or they are a malware attack vector.
>
> randy
>


From randy@psg.com  Tue Mar  5 14:47:06 2013
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> Typically the rationale for the URI is so that the a CA can satisfy
> it's legal counsel that potential relying parties have been informed,
> via the URI, of the presence of a CPS, and that RPs who care can
> download and read it before maknig use of the certs issued by the CA.
> 
> Its a CYA mechanism.

it is an arin disease that opens the user to malware attack.  just say
no.

randy

From jcurran@arin.net  Tue Mar  5 16:24:05 2013
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From: John Curran <jcurran@arin.net>
To: Randy Bush <randy@psg.com>
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On Mar 5, 2013, at 5:47 PM, Randy Bush <randy@psg.com> wrote:

>> Typically the rationale for the URI is so that the a CA can satisfy
>> it's legal counsel that potential relying parties have been informed,
>> via the URI, of the presence of a CPS, and that RPs who care can
>> download and read it before maknig use of the certs issued by the CA.
>>=20
>> Its a CYA mechanism.
>=20
> it is an arin disease that opens the user to malware attack.  just say
> no.

Randy - Feel free to omit the URI to the CPS in certs that you issue, but=20
that should not preclude others from including them so if they so desire.

Thanks!
/John

John Curran
President and CEO
ARIN



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On 06/03/2013, at 8:44 AM, Stephen Kent <kent@bbn.com> wrote:

> Typically the rationale for the URI is so that the a CA can satisfy =
it's legal counsel that
> potential relying parties have been informed, via the URI, of the =
presence of a CPS, and
> that RPs who care can download and read it before maknig use of the =
certs issued by the CA.
>=20
> Its a CYA mechanism.
>=20
> Steve

I support this draft as APNIC has a similar requirement to satisfy our =
legal counsel in the manner described by Steve.

thanks,

-George=

From Sandra.Murphy@sparta.com  Wed Mar  6 11:30:29 2013
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The sidr agenda is rather light.  Many of those who are on the agenda indic=
ated that they did not think that they would need much time.=0A=
=0A=
There's a pattern in this working group to add things to the agenda at the =
last moment.  But we meet Monday morning, which is leaving things a bit lat=
e.=0A=
=0A=
If you would like to have some time during the meeting, please do contact t=
he chairs asap.=0A=
=0A=
--Sandy, speaking as one of three co-chairs=

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That works for me.

spt

On 3/5/13 4:52 PM, Stephen Kent wrote:
> Sean,
>
> I forgot to reply to your first comment. See what happens when you label
> it "0"?
>
> 0) Based on the assumption that draft-newton-sidr-policy-qualifiers will
> be adopted because that's what the RIRs want should s1.2 or 1.5 also
> include some information about where it can be found?  This information
> would be identical to the URI included in the policy qualifier?
>
> I suggest the following added text for 1.2:
>
> <If this document is available via the Internet, the CA can insert the
> URI for the CPS here. It should be the same URI that appears as a policy
> qualifier in the CA certificate for the CA, if the CA elects to make use
> of that feature.>
>
> Steve

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On 3/5/13 4:11 PM, Stephen Kent wrote:
> Sean,
>
> Thanks for the review.
>> Below are some comments on the draft.  I also submitted my nits to the
>> editors.
>>
>> 0) Based on the assumption that draft-newton-sidr-policy-qualifiers
>> will be adopted because that's what the RIRs want should s1.2 or 1.5
>> also include some information about where it can be found?  This
>> information would be identical to the URI included in the policy
>> qualifier?
>
>> 1) s1.6: CP - Is it worth nothing that there might be another CP for
>> the BPKI?
> I added the following ext:
>
> If a BPKI is employed by a CA, it may have its own CP, separate from the
> RPKI CP.

wm

>> 2) s4.6.1: Not sure if this needs to go here but don't we need to say
>> something about not renewing certificates forever?
> I am reluctant to point out one example of a bad PKI practice, when
> there are so many more ...

When you put it that way :)

>> 3) draft-ietf-sidr-rtr-keying describes the procedures for operator
>> generated keys (i.e., those that are not router generated).  A couple
>> of questions come to mind:
>>
>> a) Should the CPS point to that draft in s6.1.2 or will the CPS be
>> updated when draft-ietf-sidr-rtr-keying is published?
> We could update the CPS with a pointer to rtr-keying when it is
> published. It would be a very minor update,
> as an informational reference. If the chairs prefer, we can add a
> reference to the I-D, and have this doc held
> in the RFC Editor's queue waiting for that doc to be approved.

wfm

>> b) draft-ietf-sidr-rtr-keying allows operators sign the private keys
>> they generate and subsequently send back to the router. Should this be
>> explicitly called out in s4.5.1.  For s.4.5.2, is the returned
>> signed-key an RPKI-Signed Object?
> The first comment does not seem to apply to 4.5.1/2. Could you clarify?

Yep you're right it doesn't apply.

> The returned signed-key is not an RPKI signed object, as defined in RFC
> 6488. Such objects are stored in the
> repository system, not just passed between a local operator's system and
> a router.

ack

Thanks for dealing with these.

spt

> Steve

From Sandra.Murphy@sparta.com  Thu Mar  7 08:05:31 2013
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From: "Murphy, Sandra" <Sandra.Murphy@sparta.com>
To: "sidr@ietf.org" <sidr@ietf.org>
Thread-Topic: Tues sidr meeting
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We have two slots for the meeting next week,=20

0900-1130 EDT  Monday Morning Session I =20
1030-1130 EDT  Tuesday Morning Session II =20

The agenda is pretty light, particularly considering that most presenters h=
ave said they only need a little time.  The chairs think we could get throu=
gh the agenda on Monday.

The slot on Tuesday could be used for free-ranging discussion of some thorn=
y topic.  If anyone has such a topic they would like to use that time for, =
please do suggest it.

If no topics for Tuesday are suggested by tomorrow, the chairs think we sho=
uld release the slot for others to use. =20

So, if you have topics to suggest, please send them to the list BY TOMORROW=
 (FRIDAY) NOON EST.  If none appear, the chairs will release the Tue sessio=
n.

--Sandy, speaking as 1 of 3 co-chairs=

From Sandra.Murphy@sparta.com  Thu Mar  7 08:19:20 2013
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From: "Murphy, Sandra" <Sandra.Murphy@sparta.com>
To: "sidr@ietf.org" <sidr@ietf.org>
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Our first slot in Monday morning.  The slides need to be uploaded to the me=
eting materials site before hand.

Presenters, please get your slides to the chairs (ALL the chairs) by Sunday=
 1700 EST.  We can track you down during the reception if we haven't receiv=
ed them by then!

Please do remember to *number your slides*.  Those participating remotely v=
ery much appreciate having that reference for following along.

--Sandy=

From danny@tcb.net  Thu Mar  7 11:54:53 2013
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Subject: Re: [sidr] slight whoops ...
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I understand why ARIN wants this -- I'm sure our legal folks would want 
something similar if we were in their predicament (i.e., one more place 
for indemnification against failures, compromises, actions of 
[grand]parents, etc..), reading the current RPA makes this clear:

S.7 ...."You shall indemnify, defend, and hold harmless ARIN and CAs 
and each of its respective parent and subsidiaries, each of their 
respective predecessors, successors and assigns, each of their 
respective employees, representatives, agents, attorneys, advisors, 
trustees, directors, officers, managers, and members from any and all 
claims, demands, disputes, actions, suits, proceedings, judgments, 
damages, injuries, losses, expenses, costs and fees(including reasonable 
attorneysâ€™ fees and expenses), interests, fines and penalties of 
whatever nature (collectively, â€œClaimsâ€)"......

With the likes of grandparenting and the potential implications RPKI 
could have on operational systems and real networks, this seems quite 
prudent to me.  Furthermore, I'm not sure how anyone that operates 
infrastructure could be expected to take on liability where their 
"parent" or others in the system could impact the service they provide, 
and they could be liable.  The joys of production...

> it is an arin disease that opens the user to malware attack.  just 
> say
> no.

I'm not sure I understand how this "opens the user to malware attack", 
could you please explain?  I understand the DoS vector, this certainly 
exists for all of RPKI, but I don't understand "malware attack" and 
think if you have any additional text related to that it ought to be 
reflected alongside the current DoS text in the Security Considerations.

-danny





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Subject: Re: [sidr] slight whoops ...
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On Thu, Mar 7, 2013 at 2:54 PM,  <danny@tcb.net> wrote:
> I'm not sure I understand how this "opens the user to malware attack", could
> you please explain?  I understand the DoS vector, this certainly exists for
> all of RPKI, but I don't understand "malware attack"


please click on this link to accept my TOS:
  <https://badplace.com/malwareCPS.cps.doc.exe.pdf.gif>

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On 2013-03-07 13:18, Christopher Morrow wrote:

>
> please click on this link to accept my TOS:
>   <https://badplace.com/malwareCPS.cps.doc.exe.pdf.gif>

That could be included anywhere - and if it's in a resource certificate 
then you've got far bigger problems than a "malware attack", methinks.

Heck, this might well serve as an early indicator of compromise, if we 
really believe this is a legitimate issue.

It also applies to ANY publication mechanism in any protocol, so I 
think it's rather a bit of a reach.  Of course, I look forward to text 
from "malware attacks" in all IETF documents going forward, and this one 
specifically..  :-)

-danny


From christopher.morrow@gmail.com  Thu Mar  7 12:26:45 2013
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On Thu, Mar 7, 2013 at 3:25 PM, Danny McPherson <danny@tcb.net> wrote:
> On 2013-03-07 13:18, Christopher Morrow wrote:
>
>>
>> please click on this link to accept my TOS:
>>   <https://badplace.com/malwareCPS.cps.doc.exe.pdf.gif>
>
>
> That could be included anywhere - and if it's in a resource certificate then
> you've got far bigger problems than a "malware attack", methinks.

agreed, there's also dns pinning and a host of other ways.

> Heck, this might well serve as an early indicator of compromise, if we
> really believe this is a legitimate issue.
>
> It also applies to ANY publication mechanism in any protocol, so I think
> it's rather a bit of a reach.  Of course, I look forward to text from
> "malware attacks" in all IETF documents going forward, and this one
> specifically..  :-)

yea, it'll be fun! :)

-chris

> -danny
>

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On Mar 7, 2013, at 3:18 PM, Christopher Morrow wrote:

> On Thu, Mar 7, 2013 at 2:54 PM,  <danny@tcb.net> wrote:
>> I'm not sure I understand how this "opens the user to malware =
attack", could
>> you please explain?  I understand the DoS vector, this certainly =
exists for
>> all of RPKI, but I don't understand "malware attack"
>=20
>=20
> please click on this link to accept my TOS:
>  <https://badplace.com/malwareCPS.cps.doc.exe.pdf.gif>

Wait, does that mean that the sidr mailing list is a malware vector too? =
 Maybe we should shut the list down too?  ;)

Eric


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On Thu, Mar 7, 2013 at 3:46 PM, Eric Osterweil <eosterweil@verisign.com> wrote:
>
> On Mar 7, 2013, at 3:18 PM, Christopher Morrow wrote:
>
>> On Thu, Mar 7, 2013 at 2:54 PM,  <danny@tcb.net> wrote:
>>> I'm not sure I understand how this "opens the user to malware attack", could
>>> you please explain?  I understand the DoS vector, this certainly exists for
>>> all of RPKI, but I don't understand "malware attack"
>>
>>
>> please click on this link to accept my TOS:
>>  <https://badplace.com/malwareCPS.cps.doc.exe.pdf.gif>
>
> Wait, does that mean that the sidr mailing list is a malware vector too?  Maybe we should shut the list down too?  ;)
>

yes, please download this update to your codec, it'll make viewing the
mailing list easier:
  <http://codecupgrades.com/i/will/not/spit/in/your/ear.exe>

From warren@kumari.net  Thu Mar  7 14:26:03 2013
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On Mar 7, 2013, at 4:58 PM, Christopher Morrow <morrowc.lists@gmail.com> =
wrote:

> On Thu, Mar 7, 2013 at 3:46 PM, Eric Osterweil =
<eosterweil@verisign.com> wrote:
>>=20
>> On Mar 7, 2013, at 3:18 PM, Christopher Morrow wrote:
>>=20
>>> On Thu, Mar 7, 2013 at 2:54 PM,  <danny@tcb.net> wrote:
>>>> I'm not sure I understand how this "opens the user to malware =
attack", could
>>>> you please explain?  I understand the DoS vector, this certainly =
exists for
>>>> all of RPKI, but I don't understand "malware attack"
>>>=20
>>>=20
>>> please click on this link to accept my TOS:
>>> <https://badplace.com/malwareCPS.cps.doc.exe.pdf.gif>
>>=20
>> Wait, does that mean that the sidr mailing list is a malware vector =
too?  Maybe we should shut the list down too?  ;)
>>=20
>=20
> yes, please download this update to your codec, it'll make viewing the
> mailing list easier:
>  <http://codecupgrades.com/i/will/not/spit/in/your/ear.exe>

That URL didn't work for me, but I think it is my machine, not your =
Internet, because a Nigerian prince sent me the same link and it didn't =
work then either=85.

W

> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
>=20

--
I once absend-mindedly ordered Three Mile Island dressing in a =
restaurant and, with great presence of mind, they brought Thousand =
Island Dressing and a bottle of chili sauce.
    -- Terry Pratchett



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Subject: [sidr] invitation to repeat IEPG presentation at sidr
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I see that you have a presentation on the agenda for the IEPG meeting on Su=
nday about RPKI Spider:

* Erik Osterweil (20 min)
  RPKI monitoring system RPKI Spider
  (http://rpkispider.verisignlabs.com/), measurements we've been
  collecting, and events we've seen.


This sounds like it would be of interest to the sidr working group and woul=
d complement two presentations already on the agenda.

Would you be willing and able to repeat that presentation in the sidr meeti=
ng?  If so, do you have any preference for the Monday 9am slot or the Tues =
10:30 slot?  (There's current consideration of cancelling the Tue slot, but=
 that won't happen if that's when you could make it.)

--Sandy, speaking as 1 of 3 co-chairs=

From Sandra.Murphy@sparta.com  Fri Mar  8 10:10:47 2013
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From: "Murphy, Sandra" <Sandra.Murphy@sparta.com>
To: "sidr@ietf.org" <sidr@ietf.org>
Thread-Topic: ORIGINs
Thread-Index: AQHOHCfs3cfQG/cxxkuNsRMS+Ut9iw==
Date: Fri, 8 Mar 2013 18:10:07 +0000
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Subject: [sidr] ORIGINs
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In reviewing the discussions about the threat document, the wg eventual con=
sensus wrt one topic was not clear to the chairs.

The ORIGIN attribute was mentioned by some as having the potential to be us=
ed out-of-spec to influence routing through the neighbor (and their neighbo=
rs, etc.).

One response was that there is no way to verify the authenticity of the ORI=
GIN's original value, so the origin AS could mis-use this attribute no matt=
er what we do.

Also, a later discussion pointed out that the original need for the ORIGN a=
ttribute had long since been OBE, but that ISPs had re-purposed the attribu=
te for influencing traffic.  Several operators mentioned that ISPs find it =
useful to modify this attribute and spoke against protecting the integrity =
(ie preventing the modification).

The current draft does not mention the ORIGIN attribute as a threat.

Is that the right outcome?  That is, was the desired outcome:

(1)  yes, we know it is a threat but we know we can't & don't want to prote=
ct it, so might as well leave it out.   (current state). why do make-work.

(2)  we should mention it as a threat but then mention the bits about can't=
 authenticate the original value and don't want to protect the integrity (i=
e want to permit modification).

If there's no interest in changing, the threats draft stands as it is on th=
is point.

--Sandy=

From Sandra.Murphy@sparta.com  Fri Mar  8 12:46:05 2013
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From: "Murphy, Sandra" <Sandra.Murphy@sparta.com>
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We did get additional requests and/or suggestions for invitations for furth=
er speakers.  So for now, it looks like we could be tight to fit it into Mo=
nday.  So we will not release the Tues morning slot.

--Sandy

________________________________________
From: Murphy, Sandra
Sent: Thursday, March 07, 2013 11:04 AM
To: sidr@ietf.org
Subject: Tues sidr meeting

We have two slots for the meeting next week,

0900-1130 EDT  Monday Morning Session I
1030-1130 EDT  Tuesday Morning Session II

The agenda is pretty light, particularly considering that most presenters h=
ave said they only need a little time.  The chairs think we could get throu=
gh the agenda on Monday.

The slot on Tuesday could be used for free-ranging discussion of some thorn=
y topic.  If anyone has such a topic they would like to use that time for, =
please do suggest it.

If no topics for Tuesday are suggested by tomorrow, the chairs think we sho=
uld release the slot for others to use.

So, if you have topics to suggest, please send them to the list BY TOMORROW=
 (FRIDAY) NOON EST.  If none appear, the chairs will release the Tue sessio=
n.

--Sandy, speaking as 1 of 3 co-chairs=

From danny@tcb.net  Sun Mar 10 09:00:57 2013
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Subject: Re: [sidr] ORIGINs
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On 2013-03-08 11:10, Murphy, Sandra wrote:
> In reviewing the discussions about the threat document, the wg
> eventual consensus wrt one topic was not clear to the chairs.
>
> The ORIGIN attribute was mentioned by some as having the potential to
> be used out-of-spec to influence routing through the neighbor (and
> their neighbors, etc.).
>
> One response was that there is no way to verify the authenticity of
> the ORIGIN's original value, so the origin AS could mis-use this
> attribute no matter what we do.

The origin AS sets the value of the attribute to whatever THEY desire 
-- the concern was that upstream ASes can manipulate this to launch 
"traffic attraction attacks".  This happens today with some of our 
transit providers, and we'd like the option to be able to mitigate that 
attack if we're going to put a bunch of stuff in place to secure 
inter-domain routing on the Internet.

> Also, a later discussion pointed out that the original need for the
> ORIGN attribute had long since been OBE,

Many origin ASes set the value to various upstreams intentionally today 
to impact path selection in upstream ASes, so it is very much in use 
today, even if not for the originally envisaged application.

> but that ISPs had re-purposed
> the attribute for influencing traffic.  Several operators mentioned
> that ISPs find it useful to modify this attribute and spoke against
> protecting the integrity (ie preventing the modification).

Right, that want to be able to exploit traffic attraction attack 
vectors, whereas, as an origin AS I'd like to have the capability to 
prevent that.

> The current draft does not mention the ORIGIN attribute as a threat.
>
> Is that the right outcome?

No.

> That is, was the desired outcome:
>
> (1)  yes, we know it is a threat but we know we can't & don't want to
> protect it, so might as well leave it out.   (current state). why do
> make-work.

It's not make-work, it is a clear threat - you say yourself in the 
question.  It needs to be reflected in the threats draft and 
accommodated in subsequent requirements and solutions work.  We should 
not keep it out of the threat draft simply because the solution does not 
currently accommodate it (we've done lots of that already).

> (2)  we should mention it as a threat but then mention the bits about
> can't authenticate the original value and don't want to protect the
> integrity (ie want to permit modification).

It's a threat, we don't need to have a solution here, we're talking 
about the threats draft.  It should lead to a requirement and then the 
solution can be developed.

> If there's no interest in changing, the threats draft stands as it is
> on this point.

How many times do I need to defend this operational feedback before 
it's considered and accommodate in the threats draft?

-danny



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Wes,

Comments inline.

spt

On 2/27/13 5:39 PM, George, Wes wrote:
> I gave this a review since I am one of the folks who raised my hand as willing to be the resident PKI n00b to make sure that things like this are clear to "router guys" who are dealing with PKI for the first time outside of maybe generating the SSH keys for tty access to a router.

Thanks for following through.

> The second paragraph of the intro, starting with the sentence "The router-driven model is most..." is difficult to parse (grammatically). I recommend re-wording to eliminate "often times for human subscribers" from the middle of the phrase and generally streamline the point being made here.

We're trying to head off the typical knee-jerk reaction about non-client 
generated keys where somebody says oh no can't do that because that's 
what their BPKI does.  But, I get your point.  How about:

The difference between the two methods is where the keys are generated: 
on the router in the router-driven method and elsewhere in the 
operator-driven model.  Different equipment necessitates the two 
methods.  Some equipment doesn't allow the private key to be off-loaded 
while other equipment does.  Off-loading private keys supports 
hot-swappable routers that need to have the same private key needs 
installed in the soon-to-be online router that was installed in the 
soon-to-be offline router.

Do you think we need to say anything like:

NOTE: Unlike humans, routers can be easily cloned; hence, operators 
generating the private keys make sense.

> Editorial nit: multiple instances of %s/drive/driven

I must have had Bullitt on the TV in the background when I was revising 
this draft.

> 3. instead of serial/craft, I'd just say console.
> Or more generally, you could refer to in-band management vs out of band, as that covers a wider set of scenarios than specifically referring to an Ethernet port and a serial port. Yes, that doesn't exactly cover the hair-split when people use a management Ethernet port connected to a separate management network for "in band" (non-console) management of the device, but maybe that's clear enough, I don't know.

I can go with in-band vs out-of-band management.

> I also don't think proprietary is the right word. Console access via a terminal server is pretty universal, and unless there's some sort of a tool pushing out the initial config snippets over console to bootstrap the box so that it can talk to it inband and finish the provisioning, "operator going typey-typey on a terminal" is definitely not proprietary either.

roger that console it is.

> Another thought - console access via remote terminal server isn't actually secure in every case. In a typical setup you have:
> User host -> (ssh) bastion/jump box -> (telnet) local terminal server -> RS232/USB connection to console
> Unless the path between the jump box and the local terminal server is such that it is nearly impossible to sniff the traffic (private network, direct connection, etc) using this to provision sensitive config might be ill-advised. Might be worth explicitly stating that for this reason, use of the console to provision the SIDR keys is NOT recommended.

This sounds like a good security consideration.

> It's not clear to me whether the method being described in this first part of section 3 is actually important. Do you actually have to do something different in the way that you bring a router online (get it basic connectivity to the network) in this process in order to preserve proper security and trust for the keys, or is this just illustrating a typical process to provision a router from bare metal such that you have secure access to it to further manipulate the configuration? Is certificate-based authentication (instead of password auth) a MUST, or a SHOULD, or does it matter? If this is just illustrating a standard example, you can probably just say something like "this assumes that standard (BCP?) procedures have been followed to initially configure the router for secure remote access, via either inband or out of band means" and then just specify that it's necessary to have the secure connection between the router and operator before the router keying for SIDR is done
  (because

....). Some of this is down in the security considerations today, and I 
think it's important to actually discuss it here instead since it's 
basically a critical part of the provisioning process. The key (pun very 
much intended) thing here is to highlight things that are different from 
normal provisioning and explain why they're important.

I was shooting for something more narrative, but yeah I could see that 
it would make sense to say here's what's different.  Now, any idea where 
this BCP is? :)  I'm not sure there is one.

> 3.1 - wouldn't it be sFTP/SCP or HTTPS or some similar?

I think you're referring to this:

  The response can be returned using
  the application/pkcs7-mime media type [RFC5751] if the router
  supports protocols such as FTP and HTTP.

And the answer might be maybe.  In the router-generated case, what's 
being returned in the public key certificate, which is well going to be 
made public so it's not necessary to secure it.  Then, again if there's 
a protected channel open continuing to use it is okay.  Not sure how to 
explain that but I can give it a shot.

> Direct/indirect makes sense, but the process for indirect transfer is a little light on details - what steps must be taken to ensure that the keys are not compromised in this transfer, either from the router or to the RPKI CA? Even a reference to section 5 might be enough to cover this.

Ah for this section, the only key transferred is public and it's in the 
PKCS#10, which is the only thing that gets transferred.  But, you asking 
this question makes me think I should make it clearer about what's being 
transfer and why anybody'd care.

> Also, I don't follow your last sentence "...linkage between private key and a router..." - why is that important?

The idea is that you want to be able to know the router's got the 
private key associated with the public key.  Another way to say this is 
POP - and I agree this could be made clearer.  Something like:

  Note that even if the operator can not get the private key off the
  router this still provides a linkage between a private key and a
  router.  That is the server can do a proof of possession (POP),
   as required by [RFC6484].

> 3.2 "installed over the ssh session..." - are we talking simple copy and paste of a huge string of text representing the key, or is it actually SCP/SFTP of a file that is then read into the router's config via additional commands?
> If you're talking copy/paste, it's probably worth warning that for keys over a certain size, this method is error-prone. I've seen a lot of mangled config because someone exceeded a paste buffer when trying to copy/paste a config, especially over a 9600 bps console at the other end of 90ms of latency.

An excellent point, but I'm sure hope it's commands and not ctrl-c/v.

> 5. when you talk about offload methods, you should probably specify the required/recommended security precautions associated with handling the key so that it isn't intercepted across the transfer method used (e.g. use SNMPv3 with encryption, use sFTP/SCP, CLI with SSH, etc, as well as any considerations around chain of possession and level of trust as the keys are stored and transferred between old and new box. There are a lot of risk factors if a tech is transferring it to his (possibly compromised) laptop when compared with transferring to parts of the infrastructure (a config repository server, for example) that are properly hardened.
> Also need to discuss sneakernet transfer, where I dump the key to a local storage device so that the tech can plug it into the new RP/RE and upload it that way. This is sometimes important if the box is having issues and as a result has limited connectivity to offload the keys. Any considerations to ensure proper security in a transfer like that?

All good points and that means I need to get out a new version ;)

> Thanks,
>
> Wes George
>
>
>
>> -----Original Message-----
>> From: sidr-bounces@ietf.org [mailto:sidr-bounces@ietf.org] On Behalf Of
>> internet-drafts@ietf.org
>> Sent: Saturday, February 23, 2013 10:41 AM
>> To: i-d-announce@ietf.org
>> Cc: sidr@ietf.org
>> Subject: [sidr] I-D Action: draft-ietf-sidr-rtr-keying-01.txt
>>
>>
>> A New Internet-Draft is available from the on-line Internet-Drafts
>> directories.
>>   This draft is a work item of the Secure Inter-Domain Routing Working
>> Group of the IETF.
>>
>>        Title           : Router Keying for BGPsec
>>        Author(s)       : Sean Turner
>>                            Keyur Patel
>>                            Randy Bush
>>        Filename        : draft-ietf-sidr-rtr-keying-01.txt
>>        Pages           : 9
>>        Date            : 2013-02-23
>>
>> Abstract:
>>     BGPsec-speaking routers must be provisioned with private keys and the
>>     corresponding public key must be published in the global RPKI
>>     (Resource Public Key Infrastructure).  This document describes two
>>     ways of provisioning public/private keys, router-driven and operator-
>>     driven.
>>
>>
>> The IETF datatracker status page for this draft is:
>> https://datatracker.ietf.org/doc/draft-ietf-sidr-rtr-keying
>>
>> There's also a htmlized version available at:
>> http://tools.ietf.org/html/draft-ietf-sidr-rtr-keying-01
>>
>> A diff from the previous version is available at:
>> http://www.ietf.org/rfcdiff?url2=draft-ietf-sidr-rtr-keying-01
>>
>>
>> Internet-Drafts are also available by anonymous FTP at:
>> ftp://ftp.ietf.org/internet-drafts/
>>
>> _______________________________________________
>> sidr mailing list
>> sidr@ietf.org
>> https://www.ietf.org/mailman/listinfo/sidr
>
> This E-mail and any of its attachments may contain Time Warner Cable proprietary information, which is privileged, confidential, or subject to copyright belonging to Time Warner Cable. This E-mail is intended solely for the use of the individual or entity to which it is addressed. If you are not the intended recipient of this E-mail, you are hereby notified that any dissemination, distribution, copying, or action taken in relation to the contents of and attachments to this E-mail is strictly prohibited and may be unlawful. If you have received this E-mail in error, please notify the sender immediately and permanently delete the original and any copy of this E-mail and any printout.
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From christopher.morrow@gmail.com  Sun Mar 10 11:05:16 2013
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Subject: Re: [sidr] ORIGINs
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On Sun, Mar 10, 2013 at 12:00 PM, Danny McPherson <danny@tcb.net> wrote:
> On 2013-03-08 11:10, Murphy, Sandra wrote:
>>
>> In reviewing the discussions about the threat document, the wg
>> eventual consensus wrt one topic was not clear to the chairs.
>>
>> The ORIGIN attribute was mentioned by some as having the potential to
>> be used out-of-spec to influence routing through the neighbor (and
>> their neighbors, etc.).
>>
>> One response was that there is no way to verify the authenticity of
>> the ORIGIN's original value, so the origin AS could mis-use this
>> attribute no matter what we do.
>
>
> The origin AS sets the value of the attribute to whatever THEY desire -- the
> concern was that upstream ASes can manipulate this to launch "traffic
> attraction attacks".  This happens today with some of our transit providers,
> and we'd like the option to be able to mitigate that attack if we're going
> to put a bunch of stuff in place to secure inter-domain routing on the
> Internet.
>
>
>> Also, a later discussion pointed out that the original need for the
>> ORIGN attribute had long since been OBE,
>
>
> Many origin ASes set the value to various upstreams intentionally today to
> impact path selection in upstream ASes, so it is very much in use today,
> even if not for the originally envisaged application.
>
>
>> but that ISPs had re-purposed
>> the attribute for influencing traffic.  Several operators mentioned
>> that ISPs find it useful to modify this attribute and spoke against
>> protecting the integrity (ie preventing the modification).
>
>
> Right, that want to be able to exploit traffic attraction attack vectors,
> whereas, as an origin AS I'd like to have the capability to prevent that.
>
>
>> The current draft does not mention the ORIGIN attribute as a threat.
>>
>> Is that the right outcome?
>
>
> No.
>
>
>> That is, was the desired outcome:
>>
>> (1)  yes, we know it is a threat but we know we can't & don't want to
>> protect it, so might as well leave it out.   (current state). why do
>> make-work.
>
>
> It's not make-work, it is a clear threat - you say yourself in the question.
> It needs to be reflected in the threats draft and accommodated in subsequent
> requirements and solutions work.  We should not keep it out of the threat
> draft simply because the solution does not currently accommodate it (we've
> done lots of that already).
>
>
>> (2)  we should mention it as a threat but then mention the bits about
>> can't authenticate the original value and don't want to protect the
>> integrity (ie want to permit modification).
>
>
> It's a threat, we don't need to have a solution here, we're talking about
> the threats draft.  It should lead to a requirement and then the solution
> can be developed.
>
>
>> If there's no interest in changing, the threats draft stands as it is
>> on this point.
>
>
> How many times do I need to defend this operational feedback before it's
> considered and accommodate in the threats draft?

I think the question was a survey sort of question: 'Should this be in
the threats doc? Is the intent to come back and say: "Yes, origin
changes along the path for many reasons, we want to protect against
this." (ie: origin changes are a threat) OR "Yes, origin changes along
the path, we actually want to keep this feature available.'

There were at least 2 people talking about origin, one from either
side I think... so clarification would be good.

> -danny
>
>
>
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

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On Sun, Mar 10, 2013 at 2:05 PM, Christopher Morrow
<morrowc.lists@gmail.com> wrote:
> On Sun, Mar 10, 2013 at 12:00 PM, Danny McPherson <danny@tcb.net> wrote:
>> On 2013-03-08 11:10, Murphy, Sandra wrote:
>>>
>>> In reviewing the discussions about the threat document, the wg
>>> eventual consensus wrt one topic was not clear to the chairs.
>>>
>>> The ORIGIN attribute was mentioned by some as having the potential to
>>> be used out-of-spec to influence routing through the neighbor (and
>>> their neighbors, etc.).
>>>
>>> One response was that there is no way to verify the authenticity of
>>> the ORIGIN's original value, so the origin AS could mis-use this
>>> attribute no matter what we do.
>>
>>
>> The origin AS sets the value of the attribute to whatever THEY desire -- the
>> concern was that upstream ASes can manipulate this to launch "traffic
>> attraction attacks".  This happens today with some of our transit providers,
>> and we'd like the option to be able to mitigate that attack if we're going
>> to put a bunch of stuff in place to secure inter-domain routing on the
>> Internet.
>>
>>
>>> Also, a later discussion pointed out that the original need for the
>>> ORIGN attribute had long since been OBE,
>>
>>
>> Many origin ASes set the value to various upstreams intentionally today to
>> impact path selection in upstream ASes, so it is very much in use today,
>> even if not for the originally envisaged application.
>>
>>
>>> but that ISPs had re-purposed
>>> the attribute for influencing traffic.  Several operators mentioned
>>> that ISPs find it useful to modify this attribute and spoke against
>>> protecting the integrity (ie preventing the modification).
>>
>>
>> Right, that want to be able to exploit traffic attraction attack vectors,
>> whereas, as an origin AS I'd like to have the capability to prevent that.
>>
>>
>>> The current draft does not mention the ORIGIN attribute as a threat.
>>>
>>> Is that the right outcome?
>>
>>
>> No.
>>
>>
>>> That is, was the desired outcome:
>>>
>>> (1)  yes, we know it is a threat but we know we can't & don't want to
>>> protect it, so might as well leave it out.   (current state). why do
>>> make-work.
>>
>>
>> It's not make-work, it is a clear threat - you say yourself in the question.
>> It needs to be reflected in the threats draft and accommodated in subsequent
>> requirements and solutions work.  We should not keep it out of the threat
>> draft simply because the solution does not currently accommodate it (we've
>> done lots of that already).
>>
>>
>>> (2)  we should mention it as a threat but then mention the bits about
>>> can't authenticate the original value and don't want to protect the
>>> integrity (ie want to permit modification).
>>
>>
>> It's a threat, we don't need to have a solution here, we're talking about
>> the threats draft.  It should lead to a requirement and then the solution
>> can be developed.
>>
>>
>>> If there's no interest in changing, the threats draft stands as it is
>>> on this point.
>>
>>
>> How many times do I need to defend this operational feedback before it's
>> considered and accommodate in the threats draft?
>
> I think the question was a survey sort of question: 'Should this be in
> the threats doc? Is the intent to come back and say: "Yes, origin
> changes along the path for many reasons, we want to protect against
> this." (ie: origin changes are a threat) OR "Yes, origin changes along
> the path, we actually want to keep this feature available.'
>
> There were at least 2 people talking about origin, one from either
> side I think... so clarification would be good.

oops, unfinished thought: "your message provides at least 1 bit of
clarification"

would you be interested in providing stephen with some text for the
threats doc about this?

-chris

>> -danny
>>
>>
>>
>> _______________________________________________
>> sidr mailing list
>> sidr@ietf.org
>> https://www.ietf.org/mailman/listinfo/sidr

From jgs@juniper.net  Sun Mar 10 15:34:03 2013
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From: "John G. Scudder" <jgs@juniper.net>
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Cc: sidr@ietf.org
Subject: Re: [sidr] ORIGINs
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Danny and Sandy,

It seems to me that the question of whether an intermediate AS monkeying =
with ORIGIN is an "attack" or not depends on what one understands the =
correct and intended operation of ORIGIN to be. The problem is, as =
you've rightly said, ORIGIN's (ahem) original purpose was obsolete =
almost as soon as it was introduced, and since then we have decades of =
uncoordinated operational (ab)use of ORIGIN. I'm not aware of any broad =
consensus on best practice for the current use of ORIGIN, and I'm sure =
there's no standard for it, other than what the BGP standard says which =
is as previously noted, effectively obsolete.=20

If I parse Danny's email right, he's saying that he wishes he could rely =
on ORIGIN to be untouched by intermediate ASes, so that he can use it to =
"impact path selection" by them. I presume that he's not actually =
relying on this, though, since the facts on the ground (as he points =
out) are that various intermediate ASes do adjust the value of ORIGIN.

I'm not aware of any of the operators who do adjust ORIGIN in their =
networks having spoken up (though I may easily have overlooked some). If =
correct, I suspect this is simply because they're not following SIDR. =
However, I don't interpret this silence as meaning that all operators =
agree that ORIGIN should be immutable once launched.

So, we have the following schools of thought on ORIGIN:

- It's an interdomain policy knob to be used solely by the originator.
- Or, it may be used as an intradomain policy knob by a transit AS.

It's tempting, though futile, to say "a plague on both your houses!", =
because the standard doesn't say it's either of those things. It does =
say it "SHOULD NOT be changed by any other speaker", which offers some =
support for Danny's point of view. But really, spec-lawyers can't =
convincingly support either approach, since the spec doesn't frame =
ORIGIN as a policy tool at all.

For my own part, I think twiddling ORIGIN at any point on the path is an =
abomination and I wish it had never become practice. However, as with so =
many things about BGP, it's an abomination that HAS become practice, and =
I think we would be well-advised to be careful in trying to stuff this =
little genie back into its bottle.

All that said, I guess I prefer Sandy's option (2) -- given there's an =
identified issue, why not write it down, if only to avoid recapitulating =
quite so much of this conversation in the future? (And for the sake of =
this discussion I assume characterizing it as a "threat" uses "threat" =
as a term of art and not a value judgement -- see my first paragraph =
above regarding "attack".)

--John

On Mar 10, 2013, at 12:00 PM, Danny McPherson <danny@tcb.net> wrote:

> On 2013-03-08 11:10, Murphy, Sandra wrote:
>> In reviewing the discussions about the threat document, the wg
>> eventual consensus wrt one topic was not clear to the chairs.
>>=20
>> The ORIGIN attribute was mentioned by some as having the potential to
>> be used out-of-spec to influence routing through the neighbor (and
>> their neighbors, etc.).
>>=20
>> One response was that there is no way to verify the authenticity of
>> the ORIGIN's original value, so the origin AS could mis-use this
>> attribute no matter what we do.
>=20
> The origin AS sets the value of the attribute to whatever THEY desire =
-- the concern was that upstream ASes can manipulate this to launch =
"traffic attraction attacks".  This happens today with some of our =
transit providers, and we'd like the option to be able to mitigate that =
attack if we're going to put a bunch of stuff in place to secure =
inter-domain routing on the Internet.
>=20
>> Also, a later discussion pointed out that the original need for the
>> ORIGN attribute had long since been OBE,
>=20
> Many origin ASes set the value to various upstreams intentionally =
today to impact path selection in upstream ASes, so it is very much in =
use today, even if not for the originally envisaged application.
>=20
>> but that ISPs had re-purposed
>> the attribute for influencing traffic.  Several operators mentioned
>> that ISPs find it useful to modify this attribute and spoke against
>> protecting the integrity (ie preventing the modification).
>=20
> Right, that want to be able to exploit traffic attraction attack =
vectors, whereas, as an origin AS I'd like to have the capability to =
prevent that.
>=20
>> The current draft does not mention the ORIGIN attribute as a threat.
>>=20
>> Is that the right outcome?
>=20
> No.
>=20
>> That is, was the desired outcome:
>>=20
>> (1)  yes, we know it is a threat but we know we can't & don't want to
>> protect it, so might as well leave it out.   (current state). why do
>> make-work.
>=20
> It's not make-work, it is a clear threat - you say yourself in the =
question.  It needs to be reflected in the threats draft and =
accommodated in subsequent requirements and solutions work.  We should =
not keep it out of the threat draft simply because the solution does not =
currently accommodate it (we've done lots of that already).
>=20
>> (2)  we should mention it as a threat but then mention the bits about
>> can't authenticate the original value and don't want to protect the
>> integrity (ie want to permit modification).
>=20
> It's a threat, we don't need to have a solution here, we're talking =
about the threats draft.  It should lead to a requirement and then the =
solution can be developed.
>=20
>> If there's no interest in changing, the threats draft stands as it is
>> on this point.
>=20
> How many times do I need to defend this operational feedback before =
it's considered and accommodate in the threats draft?
>=20
> -danny
>=20
>=20
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr



From Sandra.Murphy@sparta.com  Sun Mar 10 19:53:53 2013
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But not enough slides.=0A=
=0A=
Presenters are urged to send their slides to the chairs just as soon as pos=
sible.  ASAP.  RSN.=0A=
=0A=
--Sandy, speaking as a wg co-chair=

From Sandra.Murphy@sparta.com  Sun Mar 10 22:15:24 2013
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From: "Murphy, Sandra" <Sandra.Murphy@sparta.com>
To: "sidr@ietf.org" <sidr@ietf.org>
Thread-Topic: need jabber scribe and minutes taker
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As always, we will need to identify a minute taker and jabber scribe.  We c=
an't start unless we have someone taking minutes and the chairs will be bus=
y with the presentations.=0A=
=0A=
Note that the etherpad capability lets minutes taking be a collaborative ef=
fort.  But we still need to identify someone.=0A=
=0A=
Please do consider volunteering.=0A=
=0A=
--Sandy=

From mlepinski.ietf@gmail.com  Mon Mar 11 06:48:18 2013
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Subject: [sidr] draft-newton-sidr-policy-qualifiers-01
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I have now read this document. [Also, thanks to the document authors,
the -01 version is a significant improvement over the -00 version]

At the meeting, both APNIC and ARIN said they would like to put these
URIs into certificates they issue.

This appears to place no burden whatsoever on the relying party. (And
some relying parties might actually find these URIs useful for finding
applicable CPS documents.)

This seems like quite a reasonable document, and I do not anticipate
that it would take a lot of working group cycles to process this
document. I would, therefore, support adoption of this document by the
working group.

- Matt Lepinski

From andy@arin.net  Mon Mar 11 06:54:51 2013
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Subject: Re: [sidr] draft-newton-sidr-policy-qualifiers-01
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On 3/11/13 9:48 AM, "Matthew Lepinski" <mlepinski.ietf@gmail.com> wrote:

>This seems like quite a reasonable document, and I do not anticipate
>that it would take a lot of working group cycles to process this
>document. I would, therefore, support adoption of this document by the
>working group.

Thank you Matt. And since you beat me to getting a message to the list
regarding the adoption of this draft, I would like to ask the working
group to adopt this draft as a work item.

-andy


From carlosm3011@gmail.com  Mon Mar 11 06:56:59 2013
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Date: Mon, 11 Mar 2013 09:56:55 -0400
From: "Carlos M. Martinez" <carlosm3011@gmail.com>
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Cc: "sidr@ietf.org" <sidr@ietf.org>
Subject: Re: [sidr] draft-newton-sidr-policy-qualifiers-01
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I support WG adoption of this draft.

~Carlos

On 3/11/13 9:54 AM, Andy Newton wrote:
> On 3/11/13 9:48 AM, "Matthew Lepinski" <mlepinski.ietf@gmail.com> wrote:
> 
>> This seems like quite a reasonable document, and I do not anticipate
>> that it would take a lot of working group cycles to process this
>> document. I would, therefore, support adoption of this document by the
>> working group.
> 
> Thank you Matt. And since you beat me to getting a message to the list
> regarding the adoption of this draft, I would like to ask the working
> group to adopt this draft as a work item.
> 
> -andy
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 

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Date: Mon, 11 Mar 2013 09:59:14 -0400
From: "Carlos M. Martinez" <carlosm3011@gmail.com>
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Subject: Re: [sidr] Fwd: New Version Notification for draft-rogaglia-sidr-multiple-publication-points-02.txt
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As requested by the chairs, I'm sending this email requesting WG
adoption of this item.

Warm regards and thank you to all who provided feedback.

~Carlos

On 2/25/13 3:24 PM, Carlos M. Martinez wrote:
> Folks,
> 
> we've submitted a -02
> 
> regards
> 
> ~Carlos
> 
> 
> -------- Original Message --------
> Subject: 	New Version Notification for
> draft-rogaglia-sidr-multiple-publication-points-02.txt
> Date: 	Mon, 25 Feb 2013 12:23:09 -0800
> From: 	internet-drafts@ietf.org
> To: 	carlos@lacnic.net
> CC: 	rogaglia@cisco.com, terry.manderson@icann.org
> 
> 
> 
> A new version of I-D, draft-rogaglia-sidr-multiple-publication-points-02.txt
> has been successfully submitted by Carlos Martinez and posted to the
> IETF repository.
> 
> Filename:	 draft-rogaglia-sidr-multiple-publication-points
> Revision:	 02
> Title:		 Multiple Repository Publication Points support in the Resource Public Key Infrastructure (RPKI)
> Creation date:	 2013-02-25
> Group:		 Individual Submission
> Number of pages: 13
> URL:             http://www.ietf.org/internet-drafts/draft-rogaglia-sidr-multiple-publication-points-02.txt
> Status:          http://datatracker.ietf.org/doc/draft-rogaglia-sidr-multiple-publication-points
> Htmlized:        http://tools.ietf.org/html/draft-rogaglia-sidr-multiple-publication-points-02
> Diff:            http://www.ietf.org/rfcdiff?url2=draft-rogaglia-sidr-multiple-publication-points-02
> 
> Abstract:
>    The Resource Public Key Infrastructure (RPKI) depends on Relying
>    Parties (RP) ability to access its Trust Anchors' certificate
>    specified in the different "Trust Anchor Locator (TAL)" files and the
>    Repository Objects located at the Certificate Authorities (CA)
>    repositories hosted in its respective publication point.  This
>    document updates [RFC6490] by allowing multiple URI associated to a
>    single public key in a TAL file and introduces the concept of
>    multiple repository publication point operators for every CA in the
>    RPKI.  This document provides also recommendation for the RP behavior
>    when analyzing signed objects that include multiple publications
>    points.
> 
>                                                                                   
> 
> 
> The IETF Secretariat
> 
> 
> 
> 
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 

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Subject: Re: [sidr] draft-newton-sidr-policy-qualifiers-01
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+1

spt

On 3/11/13 9:56 AM, Carlos M. Martinez wrote:
> I support WG adoption of this draft.
>
> ~Carlos
>
> On 3/11/13 9:54 AM, Andy Newton wrote:
>> On 3/11/13 9:48 AM, "Matthew Lepinski" <mlepinski.ietf@gmail.com> wrote:
>>
>>> This seems like quite a reasonable document, and I do not anticipate
>>> that it would take a lot of working group cycles to process this
>>> document. I would, therefore, support adoption of this document by the
>>> working group.
>>
>> Thank you Matt. And since you beat me to getting a message to the list
>> regarding the adoption of this draft, I would like to ask the working
>> group to adopt this draft as a work item.
>>
>> -andy
>>
>> _______________________________________________
>> sidr mailing list
>> sidr@ietf.org
>> https://www.ietf.org/mailman/listinfo/sidr
>>
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
>

From aservin@lacnic.net  Mon Mar 11 07:39:24 2013
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Subject: Re: [sidr] draft-newton-sidr-policy-qualifiers-01
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	I have read and support.

Regards,
as

On 11/03/2013 10:54, Andy Newton wrote:
> On 3/11/13 9:48 AM, "Matthew Lepinski" <mlepinski.ietf@gmail.com> wrote:
> 
>> This seems like quite a reasonable document, and I do not anticipate
>> that it would take a lot of working group cycles to process this
>> document. I would, therefore, support adoption of this document by the
>> working group.
> 
> Thank you Matt. And since you beat me to getting a message to the list
> regarding the adoption of this draft, I would like to ask the working
> group to adopt this draft as a work item.
> 
> -andy
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 

From internet-drafts@ietf.org  Mon Mar 11 09:06:38 2013
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Subject: [sidr] I-D Action: draft-ietf-sidr-rpki-rtr-protocol-mib-07.txt
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A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
 This draft is a work item of the Secure Inter-Domain Routing Working Group=
 of the IETF.

	Title           : Definitions of Managed Objects for the RPKI-Router Proto=
col
	Author(s)       : Randy Bush
                          Bert Wijnen
                          Keyur Patel
                          Michael Baer
	Filename        : draft-ietf-sidr-rpki-rtr-protocol-mib-07.txt
	Pages           : 25
	Date            : 2013-03-11

Abstract:
   This document defines a portion of the Management Information Base
   (MIB) for use with network management protocols in the Internet
   community.  In particular, it describes objects used for monitoring
   the RPKI Router protocol.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-sidr-rpki-rtr-protocol-mib

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-sidr-rpki-rtr-protocol-mib-07

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-sidr-rpki-rtr-protocol-mib-07


Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From rogaglia@cisco.com  Mon Mar 11 09:52:49 2013
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From: "Roque Gagliano (rogaglia)" <rogaglia@cisco.com>
To: Andy Newton <andy@arin.net>
Thread-Topic: [sidr] draft-newton-sidr-policy-qualifiers-01
Thread-Index: AQHOHnjbTE9XgwNV9kiTRp6Wv6dcEg==
Date: Mon, 11 Mar 2013 16:52:47 +0000
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I support this document and I volunteer review.=20

I suffered this problem in a previous job.

Also CPS URIs in certificates are common practice. See the "Certificate Pol=
icies" extension from my personal certificate issued by Verisign where a CP=
S pointer qualifier (id-qt-cps) is present:

        X509v3 extensions:
            X509v3 Basic Constraints:=20
                CA:FALSE
            X509v3 Certificate Policies:=20
                Policy: 2.16.840.1.113733.1.7.23.1
                  CPS: https://www.verisign.com/rpa

Obs: CPS OID =3D  1.3.6.1.5.5.7.2.1 (id-qt-cps)

Roque

On Mar 11, 2013, at 2:54 PM, Andy Newton <andy@arin.net> wrote:

> On 3/11/13 9:48 AM, "Matthew Lepinski" <mlepinski.ietf@gmail.com> wrote:
>=20
>> This seems like quite a reasonable document, and I do not anticipate
>> that it would take a lot of working group cycles to process this
>> document. I would, therefore, support adoption of this document by the
>> working group.
>=20
> Thank you Matt. And since you beat me to getting a message to the list
> regarding the adoption of this draft, I would like to ask the working
> group to adopt this draft as a work item.
>=20
> -andy
>=20
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


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I suport this document being adopted.

-George


From randy@psg.com  Mon Mar 11 10:15:00 2013
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> I suport this document being adopted.

as do i.  we should definitely discuss it.

but, as stated previously, i have serious reservations about it.  at a
minimum, the sec cons must say that the uri can be an attack vector.

randy

From randy@psg.com  Mon Mar 11 10:16:10 2013
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> As requested by the chairs, I'm sending this email requesting WG
> adoption of this item.

agree it should be adopted as a wg document so that we can discuss it.
this does not imply i [completely] support it becoming an rfc.

randy

From jcurran@arin.net  Mon Mar 11 11:28:47 2013
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Subject: Re: [sidr] draft-newton-sidr-policy-qualifiers-01
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On Mar 11, 2013, at 1:14 PM, Randy Bush <randy@psg.com> wrote:

> but, as stated previously, i have serious reservations about it.  at a
> minimum, the sec cons must say that the uri can be an attack vector.

Such as the following?

"RPKI Certificates contain URIs, all of which have potential of being attac=
k=20
 vectors. An additional policy-qualifier URI adds one more potential vector=
=20
 for attack, which should be considered before dereferencing it."=20

(or should the first statement above go into the RPKI framework document?)

/John




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Subject: Re: [sidr] draft-newton-sidr-policy-qualifiers-01
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I also support adoption of this draft.

Steve



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Subject: Re: [sidr] ORIGINs
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Danny,

We have been told by several operators that the values stated in Section 
4.3 of RFC 4271 are not what is used today. We also have been told that, 
contrary to the "SHOULD NOT" in Section 5.1.1 of this RFC, it is not 
uncommon for ASes to change this value, en route. Given these two 
observations, I don't see how one can argue that protecting this 
attribute via a PATHSEC mechanism makes sense.

Separately, there is the issue of whether it makes sense to address the 
security of the ORIGIN attribute in the threats document. The SIDR 
charter states that the path security goal is "Is the AS-Path 
represented in the route the same as the path through ?which the NLRI 
traveled" There are a variety of other attributes that do not directly 
support this goal, and which are not being addressed as part of the 
PATHSEC model. The threats document already addresses this issue, in the 
Residual Vulnerabilities section. I suggest the following updated text 
for that section, to better explain the criteria for inclusion and 
exclusion in that document:

PATHSEC is not planned to protect all attributes associated with an 
AS_PATH,even though some of these attributes may be employed as inputs 
to routing decisions.Thus attacks that modify (or strip) these other 
attributes are not prevented/detected by PATHSEC.The SIDR charter calls 
for protecting only the info needed to verify that a received route 
traversed the ASes enumerated in the AS_PATH, and that the NLRI in the 
route is what was advertised.(The AS_PATH data also may have traversed 
ASes within a confederation that are not represented. However, these 
ASes are not externally visible, and thus do not influence route 
selection, so their omission in this context is not a security concern.) 
Thus, protection of other attributes is outside the scope of the 
charter, at the time this document was prepared.

--------------080808040505050501010009
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<html>
  <head>
    <meta content="text/html; charset=us-ascii"
      http-equiv="Content-Type">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    <small>Danny,</small><br>
    <br>
    <span style="mso-bidi-font-size:12.0pt;font-family:Courier">We have
      been told by several operators that the values stated in Section
      4.3 of RFC 4271 are not what is used today. We also have been told
      that, contrary to the &#8220;SHOULD NOT&#8221; in Section 5.1.1 of this RFC,
      it is not uncommon for ASes to change this value, en route. Given
      these two observations, I don&#8217;t see how one can argue that
      protecting this attribute via a PATHSEC mechanism makes sense.<o:p></o:p></span><br>
    <br>
    <span style="mso-bidi-font-size:12.0pt;font-family:Courier">Separately,
there

      is the issue of whether it makes sense to <o:p></o:p></span><span
      style="mso-bidi-font-size:12.0pt;font-family:Courier">address the
      security of the ORIGIN attribute in the threats document. The SIDR
      charter states that the path security goal is &#8220;</span><span
      style="mso-bidi-font-size:
      12.0pt;font-family:Courier;mso-bidi-font-family:Arial">Is the
      AS-Path represented in the route the same as the path through
      &#8232;which the NLRI traveled&#8221; There are a variety of other attributes
      that do not directly support this goal, and which are not being
      addressed as part of the PATHSEC model. The threats document
      already addresses this issue, in the Residual Vulnerabilities
      section. I suggest the following updated text for that section, to
      better explain the criteria for inclusion and exclusion in that
      document:</span><span
      style="mso-bidi-font-size:12.0pt;font-family:Courier;mso-bidi-font-family:&quot;Times

      New Roman&quot;; mso-fareast-language:EN-US"><br>
    </span><br>
    <span
      style="mso-bidi-font-size:12.0pt;font-family:Courier;mso-bidi-font-family:&quot;Times

      New Roman&quot;; mso-fareast-language:EN-US">PATHSEC is not
      planned to protect all attributes associated with an AS_PATH,<span
        style="color:red"> even though </span>some of these attributes
      <span style="color:red">may be</span> employed as inputs to
      routing decisions.<span style="mso-spacerun:yes">&nbsp; </span>Thus
      attacks that modify (or strip) these other attributes are not
      prevented/detected by PATHSEC.<span style="mso-spacerun:yes">&nbsp; </span>The
      SIDR charter calls for protecting only the info needed to verify
      that a received route traversed the ASes enumerated in the
      AS_PATH, and that the NLRI in the route is what was advertised.<span
        style="mso-spacerun:yes">&nbsp; </span>(<span style="color:red">The
        AS_PATH data also may have traversed ASes within&nbsp;a confederation
        that are not represented. However, these ASes are not externally
        visible, and thus do not influence route selection, so their
        omission in this context is not a security concern.</span>)
      Thus, protection of other attributes is outside the scope of the
      charter, at the time this document was prepared.</span><br>
  </body>
</html>

--------------080808040505050501010009--

From danny@tcb.net  Mon Mar 11 12:52:24 2013
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Subject: Re: [sidr] draft-newton-sidr-policy-qualifiers-01
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Me too...

On Mar 11, 2013, at 3:25 PM, Stephen Kent <kent@bbn.com> wrote:

> I also support adoption of this draft.
> 
> Steve
> 
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 


From markk@arin.net  Mon Mar 11 12:54:42 2013
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From: Mark Kosters <markk@arin.net>
To: George Michaelson <ggm@apnic.net>, "sidr@ietf.org" <sidr@ietf.org>
Thread-Topic: [sidr] draft-newton-sidr-policy-qualifiers-01
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I do as well.

Mark

On 3/11/13 12:56 PM, "George Michaelson" <ggm@apnic.net> wrote:

>I suport this document being adopted.


From alexey.melnikov@isode.com  Mon Mar 11 13:40:25 2013
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Subject: [sidr] Acceptance call for draft-newton-sidr-policy-qualifiers-01
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On 11/03/2013 13:54, Andy Newton wrote:
> On 3/11/13 9:48 AM, "Matthew Lepinski" <mlepinski.ietf@gmail.com> wrote:
>
>> This seems like quite a reasonable document, and I do not anticipate
>> that it would take a lot of working group cycles to process this
>> document. I would, therefore, support adoption of this document by the
>> working group.
> Thank you Matt. And since you beat me to getting a message to the list
> regarding the adoption of this draft, I would like to ask the working
> group to adopt this draft as a work item.

On behalf of SIDR chairs I am starting 3 weeks WG acceptance call on 
this document.


From heas@shrubbery.net  Mon Mar 11 13:46:23 2013
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Subject: Re: [sidr] ORIGINs
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Sun, Mar 10, 2013 at 10:00:53AM -0600, Danny McPherson:
> The origin AS sets the value of the attribute to whatever THEY desire 
> -- the concern was that upstream ASes can manipulate this to launch 
> "traffic attraction attacks".  This happens today with some of our 
> transit providers, and we'd like the option to be able to mitigate that 
> attack if we're going to put a bunch of stuff in place to secure 
> inter-domain routing on the Internet.

Whether anyone likes it, it has become a TE knob of sorts, in a protocol
with few such knobs, and many smaller transit providers rely upon it to
affect route selection for non-malicious reasons, such as to balance their
own transit links.  Without providing an alternative, it will be crippling
to many to inhibit its use as such.

From internet-drafts@ietf.org  Mon Mar 11 14:52:33 2013
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Subject: [sidr] I-D Action: draft-ietf-sidr-rpki-rtr-impl-03.txt
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A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
 This draft is a work item of the Secure Inter-Domain Routing Working Group=
 of the IETF.

	Title           : RPKI Router Implementation Report
	Author(s)       : Randy Bush
                          Rob Austein
                          Keyur Patel
                          Hannes Gredler
                          Matthias Waehlisch
	Filename        : draft-ietf-sidr-rpki-rtr-impl-03.txt
	Pages           : 9
	Date            : 2013-03-11

Abstract:
   This document is an implementation report for the RPKI Router
   protocol as defined in [RFC6810].  The editor did not verify the
   accuracy of the information provided by respondents.  The respondents
   are experts with the implementations they reported on, and their
   responses are considered authoritative for the implementations for
   which their responses represent.  Respondents were asked to only use
   the YES answer if the feature had at least been tested in the lab.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-sidr-rpki-rtr-impl

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-sidr-rpki-rtr-impl-03

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-sidr-rpki-rtr-impl-03


Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From randy@psg.com  Mon Mar 11 15:45:18 2013
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heas,

> Whether anyone likes it, it has become a TE knob of sorts, in a protocol
> with few such knobs, and many smaller transit providers rely upon it to
> affect route selection for non-malicious reasons, such as to balance their
> own transit links.  Without providing an alternative, it will be crippling
> to many to inhibit its use as such.

that is not exactly the qestion, thought i gives a hint.  by "smaller
transit providers rely on it" do you mean that the value is legitimately
set or altered by other than the originating AS?  if so, then signing it
would be bad.  if not, it could be good.  so could you please clarify?

randy

From heas@shrubbery.net  Mon Mar 11 15:47:47 2013
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Mon, Mar 11, 2013 at 03:45:17PM -0700, Randy Bush:
> heas,
> 
> > Whether anyone likes it, it has become a TE knob of sorts, in a protocol
> > with few such knobs, and many smaller transit providers rely upon it to
> > affect route selection for non-malicious reasons, such as to balance their
> > own transit links.  Without providing an alternative, it will be crippling
> > to many to inhibit its use as such.
> 
> that is not exactly the qestion, thought i gives a hint.  by "smaller
> transit providers rely on it" do you mean that the value is legitimately
> set or altered by other than the originating AS?  if so, then signing it
> would be bad.  if not, it could be good.  so could you please clarify?

that is exactly what I am implying/saying.

From mlepinski.ietf@gmail.com  Mon Mar 11 15:59:34 2013
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Subject: Re: [sidr] ORIGINs
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--047d7b67893a4cc5d004d7ae2067
Content-Type: text/plain; charset=ISO-8859-1

I do not have an opinion about what in particular the Threats document
should say (or not say) about the ORIGIN attribute. However, I am quite
concerned about potential hurdles to BGPSEC deployment. It appears that
breaking a current (non- standard) use of ORIGIN had little if any benefit
since no one seems to use ORIGIN for its originally intended purpose.
Therefore, I would like not create a new reason for some operators to
deploy BGPSEC.

-Matt L.
On Mar 11, 2013 6:47 PM, "heasley" <heas@shrubbery.net> wrote:

> Mon, Mar 11, 2013 at 03:45:17PM -0700, Randy Bush:
> > heas,
> >
> > > Whether anyone likes it, it has become a TE knob of sorts, in a
> protocol
> > > with few such knobs, and many smaller transit providers rely upon it to
> > > affect route selection for non-malicious reasons, such as to balance
> their
> > > own transit links.  Without providing an alternative, it will be
> crippling
> > > to many to inhibit its use as such.
> >
> > that is not exactly the qestion, thought i gives a hint.  by "smaller
> > transit providers rely on it" do you mean that the value is legitimately
> > set or altered by other than the originating AS?  if so, then signing it
> > would be bad.  if not, it could be good.  so could you please clarify?
>
> that is exactly what I am implying/saying.
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
>

--047d7b67893a4cc5d004d7ae2067
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<p dir=3D"ltr">I do not have an opinion about what in particular the Threat=
s document should say (or not say) about the ORIGIN attribute. However, I a=
m quite concerned about potential hurdles to BGPSEC deployment. It appears =
that breaking a current (non- standard) use of ORIGIN had little if any ben=
efit since no one seems to use ORIGIN for its originally intended purpose. =
Therefore, I would like not create a new reason for some operators to deplo=
y BGPSEC.</p>

<p dir=3D"ltr">-Matt L.</p>
<div class=3D"gmail_quote">On Mar 11, 2013 6:47 PM, &quot;heasley&quot; &lt=
;<a href=3D"mailto:heas@shrubbery.net">heas@shrubbery.net</a>&gt; wrote:<br=
 type=3D"attribution"><blockquote class=3D"gmail_quote" style=3D"margin:0 0=
 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Mon, Mar 11, 2013 at 03:45:17PM -0700, Randy Bush:<br>
&gt; heas,<br>
&gt;<br>
&gt; &gt; Whether anyone likes it, it has become a TE knob of sorts, in a p=
rotocol<br>
&gt; &gt; with few such knobs, and many smaller transit providers rely upon=
 it to<br>
&gt; &gt; affect route selection for non-malicious reasons, such as to bala=
nce their<br>
&gt; &gt; own transit links. =A0Without providing an alternative, it will b=
e crippling<br>
&gt; &gt; to many to inhibit its use as such.<br>
&gt;<br>
&gt; that is not exactly the qestion, thought i gives a hint. =A0by &quot;s=
maller<br>
&gt; transit providers rely on it&quot; do you mean that the value is legit=
imately<br>
&gt; set or altered by other than the originating AS? =A0if so, then signin=
g it<br>
&gt; would be bad. =A0if not, it could be good. =A0so could you please clar=
ify?<br>
<br>
that is exactly what I am implying/saying.<br>
_______________________________________________<br>
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</blockquote></div>

--047d7b67893a4cc5d004d7ae2067--

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From: "Murphy, Sandra" <Sandra.Murphy@sparta.com>
To: "sidr@ietf.org" <sidr@ietf.org>
Thread-Topic: [sidr] ORIGINs
Thread-Index: AQHOHCfs3cfQG/cxxkuNsRMS+Ut9i5ifW6CAgAHiGYCAACE5gIAAAKgAgAADUwD//73bFw==
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>Therefore, I would like not create a new reason for some operators to depl=
oy BGPSEC.

>From the tone of the remarks preceding this sentence, it seems that you mig=
ht have misplaced a "not" in here somewhere.

Could you clarify?

--Sandy


--_000_24B20D14B2CD29478C8D5D6E9CBB29F65C234F82Hermescolumbiaa_
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<html dir=3D"ltr">
<head>
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1">
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</head>
<body fpstyle=3D"1" ocsi=3D"0">
<div style=3D"direction: ltr;font-family: Arial;color: #000000;font-size: 1=
0pt;"><span style=3D"font-family: Times; font-size: medium; ">&gt;Therefore=
, I would like not create a new reason for some operators to deploy BGPSEC.=
</span>
<div><font face=3D"Times" size=3D"3"><br>
</font></div>
<div><font face=3D"Times" size=3D"3">From the tone of the remarks preceding=
 this sentence, it seems that you might have misplaced a &quot;not&quot; in=
 here somewhere.</font></div>
<div><font face=3D"Times" size=3D"3"><br>
</font></div>
<div><font face=3D"Times" size=3D"3">Could you clarify?</font></div>
<div><font face=3D"Times" size=3D"3"><br>
</font></div>
<div><font face=3D"Times" size=3D"3">--Sandy<br>
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From Sandra.Murphy@sparta.com  Mon Mar 11 16:16:24 2013
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From: "Murphy, Sandra" <Sandra.Murphy@sparta.com>
To: "sidr@ietf.org" <sidr@ietf.org>
Thread-Topic: old discussion on ORIGIN
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Date: Mon, 11 Mar 2013 23:15:34 +0000
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I'd like to point the wg to a previous discussion of the use of ORIGIN over=
 a few days in October 2012.  We're revisiting some of the same ground now.=
=0A=
=0A=
Start with http://www.ietf.org/mail-archive/web/sidr/current/msg05179.html =
and follow the thread "origin attribute".  It was a short but intense discu=
ssion, with Shane, Warren, Heasley, Roque and Brian describing some ways th=
at the ORIGIN is currently used by operators.=0A=
=0A=
--Sandy, speaking as one of the wg co-chairs=0A=
=0A=

From mlepinski.ietf@gmail.com  Mon Mar 11 17:33:05 2013
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--20cf300fb4cdba18f004d7af6e64
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I am sorry.

"I do not want to sign ORIGIN if doing so will create a new obstacle to
deploying BGPSEC"
On Mar 11, 2013 7:05 PM, "Murphy, Sandra" <Sandra.Murphy@sparta.com> wrote:

>  >Therefore, I would like not create a new reason for some operators to
> deploy BGPSEC.
>
>  From the tone of the remarks preceding this sentence, it seems that you
> might have misplaced a "not" in here somewhere.
>
>  Could you clarify?
>
>  --Sandy
>
>>
>>
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
>
>

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<p dir=3D"ltr">I am sorry. </p>
<p dir=3D"ltr">&quot;I do not want to sign ORIGIN if doing so will create a=
 new obstacle to deploying BGPSEC&quot;</p>
<div class=3D"gmail_quote">On Mar 11, 2013 7:05 PM, &quot;Murphy, Sandra&qu=
ot; &lt;<a href=3D"mailto:Sandra.Murphy@sparta.com">Sandra.Murphy@sparta.co=
m</a>&gt; wrote:<br type=3D"attribution"><blockquote class=3D"gmail_quote" =
style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">





<div>
<div style=3D"direction:ltr;font-size:10pt;font-family:Arial"><span style=
=3D"font-family:Times;font-size:medium">&gt;Therefore, I would like not cre=
ate a new reason for some operators to deploy BGPSEC.</span>
<div><font face=3D"Times" size=3D"3"><br>
</font></div>
<div><font face=3D"Times" size=3D"3">From the tone of the remarks preceding=
 this sentence, it seems that you might have misplaced a &quot;not&quot; in=
 here somewhere.</font></div>
<div><font face=3D"Times" size=3D"3"><br>
</font></div>
<div><font face=3D"Times" size=3D"3">Could you clarify?</font></div>
<div><font face=3D"Times" size=3D"3"><br>
</font></div>
<div><font face=3D"Times" size=3D"3">--Sandy<br>
</font>
<div style=3D"font-size:16px;font-family:Times New Roman">
<div>
<div class=3D"gmail_quote">
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
<br>
</blockquote>
</div>
</div>
</div>
</div>
</div>
</div>

<br>_______________________________________________<br>
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Subject: Re: [sidr] ORIGINs
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On 2013-03-11 18:33, Matthew Lepinski wrote:
> I am sorry.
>
> "I do not want to sign ORIGIN if doing so will create a new obstacle
> to deploying BGPSEC"

And I'm saying that the ability (i.e., option) to protect the ORIGIN as 
set by the originating AS is IMO one reason that's a positive to deploy 
BGPSEC for me (i.e., to minimize traffic attraction attacks and hose me 
as a stub for the ASes we have that are stub ASes).  If 84% of the ASes 
are stubs, I gotta believe some of the others would agree with this, 
while I certainly understand why intermediate ASes want to muck with it.

If others disagree, well, I'm at peace with that...

-danny


From danny@tcb.net  Mon Mar 11 20:34:47 2013
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Cc: sidr <sidr@ietf.org>
Subject: Re: [sidr] ORIGINs
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On 2013-03-11 13:31, Stephen Kent wrote:
> Danny,
>
>  We have been told by several operators that the values stated in
> Section 4.3 of RFC 4271 are not what is used today. We also have been
> told that, contrary to the "SHOULD NOT" in Section 5.1.1 of this RFC,
> it is not uncommon for ASes to change this value, en route. Given
> these two observations, I don't see how one can argue that protecting
> this attribute via a PATHSEC mechanism makes sense.

84% of ASes are stubs, apparently.  Many of our own ASes are stubs and 
we buy transit services in some places from some of the ISPs that like 
to muck with the ORIGIN code to exploit traffic attraction attacks. I'd 
like a secure routing protocol to be derived from requirements that 
accommodate issues that both ISPs and stub ASes are concerned with.  
That's what I'd like as an operator. If this is yet another thing that 
you believe is beyond the scope of SIDR because the current BGPSEC spec 
doesn't accommodate it then why don't we stop pretending to be writing 
threats and requirements documents and you just publish your BGPSEC 
spec?

>  Separately, there is the issue of whether it makes sense to address
> the security of the ORIGIN attribute in the threats document. The 
> SIDR
> charter states that the path security goal is "Is the AS-Path
> represented in the route the same as the path through â€¨which the NLRI
> traveled"

Careful, I'm not sure the current BGPSEC spec does that at all for the 
"AS_PATH", and it actually diverges in some places.  If you're going to 
use the charter again to nix this requirement as an acceptable residual 
vulnerability in the threats draft then it's crystal clear to me that 
you and the BGPSEC design team simply want to publish the BGPSEC draft 
as you've already envisioned and you don't want to accommodate my 
operational requirements.  If that's the case then let's just kill the 
threats and requirements documents and save everyone's time.

> There are a variety of other attributes that do not directly
> support this goal, and which are not being addressed as part of the
> PATHSEC model.

Right, and I think they should be, as they all impact BGP path 
selection in various ways.

> The threats document already addresses this issue, in
> the Residual Vulnerabilities section.

Out of curiosity, does anyone intend to ever address the growing list 
of "residual vulnerabilities" or is this merely a place to catalog 
requirements that would rather not be addressed?

> I suggest the following updated
> text for that section, to better explain the criteria for inclusion
> and exclusion in that document:
>
> PATHSEC is not planned to protect all attributes associated with an
> AS_PATH, even though some of these attributes may be employed as
> inputs to routing decisions. Thus attacks that modify (or strip) 
> these
> other attributes are not prevented/detected by PATHSEC. The SIDR
> charter calls for protecting only the info needed to verify that a
> received route traversed the ASes enumerated in the AS_PATH, and that
> the NLRI in the route is what was advertised. (The AS_PATH data also
> may have traversed ASes within a confederation that are not
> represented. However, these ASes are not externally visible, and thus
> do not influence route selection, so their omission in this context 
> is
> not a security concern.) Thus, protection of other attributes is
> outside the scope of the charter, at the time this document was
> prepared.

Again, I'd like some clarity on how long we're going to hide behind an 
explicitly worded charter, or if we're actually going to address any of 
these issues?

-danny


From kent@bbn.com  Tue Mar 12 06:07:56 2013
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Subject: Re: [sidr] ORIGINs
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Danny,
> On 2013-03-11 13:31, Stephen Kent wrote:
>> Danny,
>>
>>  We have been told by several operators that the values stated in
>> Section 4.3 of RFC 4271 are not what is used today. We also have been
>> told that, contrary to the "SHOULD NOT" in Section 5.1.1 of this RFC,
>> it is not uncommon for ASes to change this value, en route. Given
>> these two observations, I don't see how one can argue that protecting
>> this attribute via a PATHSEC mechanism makes sense.
>
> 84% of ASes are stubs, apparently.  Many of our own ASes are stubs and 
> we buy transit services in some places from some of the ISPs that like 
> to muck with the ORIGIN code to exploit traffic attraction attacks. 
> I'd like a secure routing protocol to be derived from requirements 
> that accommodate issues that both ISPs and stub ASes are concerned 
> with.  That's what I'd like as an operator. If this is yet another 
> thing that you believe is beyond the scope of SIDR because the current 
> BGPSEC spec doesn't accommodate it then why don't we stop pretending 
> to be writing threats and requirements documents and you just publish 
> your BGPSEC spec?
I am writing a threats doc consistent with the SIDR WG charter. WGs have 
charters to help scope the
set of problems that they address. If the WG recharters to extend the 
scope of what security concerns are to be addressed, then this doc will 
be revised accordingly.
> Separately, there is the issue of whether it makes sense to address
>> the security of the ORIGIN attribute in the threats document. The SIDR
>> charter states that the path security goal is "Is the AS-Path
>> represented in the route the same as the path through â€¨which the NLRI
>> traveled"
>
> Careful, I'm not sure the current BGPSEC spec does that at all for the 
> "AS_PATH", and it actually diverges in some places.  If you're going 
> to use the charter again to nix this requirement as an acceptable 
> residual vulnerability in the threats draft then it's crystal clear to 
> me that you and the BGPSEC design team simply want to publish the 
> BGPSEC draft as you've already envisioned and you don't want to 
> accommodate my operational requirements.  If that's the case then 
> let's just kill the threats and requirements documents and save 
> everyone's time.
I'm sorry that you seem to be uncomfortable working within the WG charter.
> There are a variety of other attributes that do not directly
>> support this goal, and which are not being addressed as part of the
>> PATHSEC model.
>
> Right, and I think they should be, as they all impact BGP path 
> selection in various ways.
>
>> The threats document already addresses this issue, in
>> the Residual Vulnerabilities section.
>
> Out of curiosity, does anyone intend to ever address the growing list 
> of "residual vulnerabilities" or is this merely a place to catalog 
> requirements that would rather not be addressed?
The previous bullet in this section deals with route leaks, and says:

       If, at a latertime, the SIDR charter is amended to include route 
leaks, and an

appropriate definition exists, this document should be revised.


I'm happy to add an analogous sentence to this bullet as well.
> I suggest the following updated
>> text for that section, to better explain the criteria for inclusion
>> and exclusion in that document:
>>
>> PATHSEC is not planned to protect all attributes associated with an
>> AS_PATH, even though some of these attributes may be employed as
>> inputs to routing decisions. Thus attacks that modify (or strip) these
>> other attributes are not prevented/detected by PATHSEC. The SIDR
>> charter calls for protecting only the info needed to verify that a
>> received route traversed the ASes enumerated in the AS_PATH, and that
>> the NLRI in the route is what was advertised. (The AS_PATH data also
>> may have traversed ASes within a confederation that are not
>> represented. However, these ASes are not externally visible, and thus
>> do not influence route selection, so their omission in this context is
>> not a security concern.) Thus, protection of other attributes is
>> outside the scope of the charter, at the time this document was
>> prepared.
>
> Again, I'd like some clarity on how long we're going to hide behind an 
> explicitly worded charter, or if we're actually going to address any 
> of these issues?
As far as I'm concerned, we're going to follow IETF procedures.

Steve

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    <br>
    <div class="moz-cite-prefix">Danny,<br>
    </div>
    <blockquote cite="mid:58e88a56a071774a598154fbe4e6d8d8@tcb.net"
      type="cite">On 2013-03-11 13:31, Stephen Kent wrote:
      <br>
      <blockquote type="cite">Danny,
        <br>
        <br>
        Â We have been told by several operators that the values stated
        in
        <br>
        Section 4.3 of RFC 4271 are not what is used today. We also have
        been
        <br>
        told that, contrary to the "SHOULD NOT" in Section 5.1.1 of this
        RFC,
        <br>
        it is not uncommon for ASes to change this value, en route.
        Given
        <br>
        these two observations, I don't see how one can argue that
        protecting
        <br>
        this attribute via a PATHSEC mechanism makes sense.
        <br>
      </blockquote>
      <br>
      84% of ASes are stubs, apparently.Â  Many of our own ASes are stubs
      and we buy transit services in some places from some of the ISPs
      that like to muck with the ORIGIN code to exploit traffic
      attraction attacks. I'd like a secure routing protocol to be
      derived from requirements that accommodate issues that both ISPs
      and stub ASes are concerned with.Â  That's what I'd like as an
      operator. If this is yet another thing that you believe is beyond
      the scope of SIDR because the current BGPSEC spec doesn't
      accommodate it then why don't we stop pretending to be writing
      threats and requirements documents and you just publish your
      BGPSEC spec?
      <br>
    </blockquote>
    I am writing a threats doc consistent with the SIDR WG charter. WGs
    have charters to help scope the<br>
    set of problems that they address. If the WG recharters to extend
    the scope of what security concerns are to be addressed, then this
    doc will be revised accordingly.<br>
    <blockquote cite="mid:58e88a56a071774a598154fbe4e6d8d8@tcb.net"
      type="cite">Â 
      Separately, there is the issue of whether it makes sense to
      address
      <br>
      <blockquote type="cite">the security of the ORIGIN attribute in
        the threats document. The SIDR
        <br>
        charter states that the path security goal is "Is the AS-Path
        <br>
        represented in the route the same as the path through â€¨which the
        NLRI
        <br>
        traveled"
        <br>
      </blockquote>
      <br>
      Careful, I'm not sure the current BGPSEC spec does that at all for
      the "AS_PATH", and it actually diverges in some places.Â  If you're
      going to use the charter again to nix this requirement as an
      acceptable residual vulnerability in the threats draft then it's
      crystal clear to me that you and the BGPSEC design team simply
      want to publish the BGPSEC draft as you've already envisioned and
      you don't want to accommodate my operational requirements.Â  If
      that's the case then let's just kill the threats and requirements
      documents and save everyone's time.
      <br>
    </blockquote>
    I'm sorry that you seem to be uncomfortable working within the WG
    charter. <br>
    <blockquote cite="mid:58e88a56a071774a598154fbe4e6d8d8@tcb.net"
      type="cite">
      There are a variety of other attributes that do not directly
      <br>
      <blockquote type="cite">support this goal, and which are not being
        addressed as part of the
        <br>
        PATHSEC model.
        <br>
      </blockquote>
      <br>
      Right, and I think they should be, as they all impact BGP path
      selection in various ways.
      <br>
      <br>
      <blockquote type="cite">The threats document already addresses
        this issue, in
        <br>
        the Residual Vulnerabilities section.
        <br>
      </blockquote>
      <br>
      Out of curiosity, does anyone intend to ever address the growing
      list of "residual vulnerabilities" or is this merely a place to
      catalog requirements that would rather not be addressed?
      <br>
    </blockquote>
    The previous bullet in this section deals with route leaks, and
    says:<br>
    <br>
    <meta name="Title" content="">
    <p class="MsoPlainText">Â Â Â Â Â  If, at a later<span
        style="mso-spacerun:yes"> </span>time, the
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    </p>
    <p class="MsoPlainText"><span style="mso-spacerun:yes">Â Â Â Â Â  </span>appropriate
definition
      exists, this document should be revised.<o:p></o:p></p>
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<![endif]--><!--StartFragment--><!--EndFragment--><br>
    I'm happy to add an analogous sentence to this bullet as well.<br>
    <blockquote cite="mid:58e88a56a071774a598154fbe4e6d8d8@tcb.net"
      type="cite">
      I suggest the following updated
      <br>
      <blockquote type="cite">text for that section, to better explain
        the criteria for inclusion
        <br>
        and exclusion in that document:
        <br>
        <br>
        PATHSEC is not planned to protect all attributes associated with
        an
        <br>
        AS_PATH, even though some of these attributes may be employed as
        <br>
        inputs to routing decisions. Thus attacks that modify (or strip)
        these
        <br>
        other attributes are not prevented/detected by PATHSEC. The SIDR
        <br>
        charter calls for protecting only the info needed to verify that
        a
        <br>
        received route traversed the ASes enumerated in the AS_PATH, and
        that
        <br>
        the NLRI in the route is what was advertised. (The AS_PATH data
        also
        <br>
        may have traversed ASes within a confederation that are not
        <br>
        represented. However, these ASes are not externally visible, and
        thus
        <br>
        do not influence route selection, so their omission in this
        context is
        <br>
        not a security concern.) Thus, protection of other attributes is
        <br>
        outside the scope of the charter, at the time this document was
        <br>
        prepared.
        <br>
      </blockquote>
      <br>
      Again, I'd like some clarity on how long we're going to hide
      behind an explicitly worded charter, or if we're actually going to
      address any of these issues?
      <br>
    </blockquote>
    As far as I'm concerned, we're going to follow IETF procedures.<br>
    <br>
    Steve<br>
  </body>
</html>

--------------000005060707070708080308--

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Subject: Re: [sidr] ORIGINs
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On 2013-03-12 07:07, Stephen Kent wrote:

> As far as I'm concerned, we're going to follow IETF procedures.

That charter was intentionally worded when it was written so that the 
solution envisaged would be the only thing worked on here, absent being 
information by any actual threats or subsequent requirements, which are 
being carefully backwards engineered here to the solution that was 
brought into the WG.

Alas....

-danny


From mlepinski.ietf@gmail.com  Tue Mar 12 06:38:57 2013
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To: Danny McPherson <danny@tcb.net>
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Subject: Re: [sidr] ORIGINs
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--485b397dd783359e5b04d7ba6904
Content-Type: text/plain; charset=ISO-8859-1

A quick clarification: The current BGPSEC protocol specification can easily
be modified to protect the ORIGIN attribute. (That is, prevent it from
being modified by intermediate ASes.)

I can very quickly put out an update to the BGPSEC protocol specification
if the working group decides that there is a requirement to protect the
ORIGIN attribute.

It is valuable to have this discussion. I am personally sceptical of
preventing the modification of the ORIGIN attribute. However, if others in
the writhing group see value in protecting the ORIGIN attribute, then I
want to know about it. (And it is certainly the case that I understand the
issue better now than I did before this discussion started.)

-Matt Lepinski
On Mar 11, 2013 11:34 PM, "Danny McPherson" <danny@tcb.net> wrote:

> On 2013-03-11 13:31, Stephen Kent wrote:
>
>> Danny,
>>
>>  We have been told by several operators that the values stated in
>> Section 4.3 of RFC 4271 are not what is used today. We also have been
>> told that, contrary to the "SHOULD NOT" in Section 5.1.1 of this RFC,
>> it is not uncommon for ASes to change this value, en route. Given
>> these two observations, I don't see how one can argue that protecting
>> this attribute via a PATHSEC mechanism makes sense.
>>
>
> 84% of ASes are stubs, apparently.  Many of our own ASes are stubs and we
> buy transit services in some places from some of the ISPs that like to muck
> with the ORIGIN code to exploit traffic attraction attacks. I'd like a
> secure routing protocol to be derived from requirements that accommodate
> issues that both ISPs and stub ASes are concerned with.  That's what I'd
> like as an operator. If this is yet another thing that you believe is
> beyond the scope of SIDR because the current BGPSEC spec doesn't
> accommodate it then why don't we stop pretending to be writing threats and
> requirements documents and you just publish your BGPSEC spec?
>
>   Separately, there is the issue of whether it makes sense to address
>> the security of the ORIGIN attribute in the threats document. The SIDR
>> charter states that the path security goal is "Is the AS-Path
>> represented in the route the same as the path through which the NLRI
>> traveled"
>>
>
> Careful, I'm not sure the current BGPSEC spec does that at all for the
> "AS_PATH", and it actually diverges in some places.  If you're going to use
> the charter again to nix this requirement as an acceptable residual
> vulnerability in the threats draft then it's crystal clear to me that you
> and the BGPSEC design team simply want to publish the BGPSEC draft as
> you've already envisioned and you don't want to accommodate my operational
> requirements.  If that's the case then let's just kill the threats and
> requirements documents and save everyone's time.
>
>  There are a variety of other attributes that do not directly
>> support this goal, and which are not being addressed as part of the
>> PATHSEC model.
>>
>
> Right, and I think they should be, as they all impact BGP path selection
> in various ways.
>
>  The threats document already addresses this issue, in
>> the Residual Vulnerabilities section.
>>
>
> Out of curiosity, does anyone intend to ever address the growing list of
> "residual vulnerabilities" or is this merely a place to catalog
> requirements that would rather not be addressed?
>
>  I suggest the following updated
>> text for that section, to better explain the criteria for inclusion
>> and exclusion in that document:
>>
>> PATHSEC is not planned to protect all attributes associated with an
>> AS_PATH, even though some of these attributes may be employed as
>> inputs to routing decisions. Thus attacks that modify (or strip) these
>> other attributes are not prevented/detected by PATHSEC. The SIDR
>> charter calls for protecting only the info needed to verify that a
>> received route traversed the ASes enumerated in the AS_PATH, and that
>> the NLRI in the route is what was advertised. (The AS_PATH data also
>> may have traversed ASes within a confederation that are not
>> represented. However, these ASes are not externally visible, and thus
>> do not influence route selection, so their omission in this context is
>> not a security concern.) Thus, protection of other attributes is
>> outside the scope of the charter, at the time this document was
>> prepared.
>>
>
> Again, I'd like some clarity on how long we're going to hide behind an
> explicitly worded charter, or if we're actually going to address any of
> these issues?
>
> -danny
>
> ______________________________**_________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/**listinfo/sidr<https://www.ietf.org/mailman/listinfo/sidr>
>

--485b397dd783359e5b04d7ba6904
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<p dir=3D"ltr">A quick clarification: The current BGPSEC protocol specifica=
tion can easily be modified to protect the ORIGIN attribute. (That is, prev=
ent it from being modified by intermediate ASes.)</p>
<p dir=3D"ltr">I can very quickly put out an update to the BGPSEC protocol =
specification if the working group decides that there is a requirement to p=
rotect the ORIGIN attribute. </p>
<p dir=3D"ltr">It is valuable to have this discussion. I am personally scep=
tical of preventing the modification of the ORIGIN attribute. However, if o=
thers in the writhing group see value in protecting the ORIGIN attribute, t=
hen I want to know about it. (And it is certainly the case that I understan=
d the issue better now than I did before this discussion started.)</p>

<p dir=3D"ltr">-Matt Lepinski</p>
<div class=3D"gmail_quote">On Mar 11, 2013 11:34 PM, &quot;Danny McPherson&=
quot; &lt;<a href=3D"mailto:danny@tcb.net">danny@tcb.net</a>&gt; wrote:<br =
type=3D"attribution"><blockquote class=3D"gmail_quote" style=3D"margin:0 0 =
0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
On 2013-03-11 13:31, Stephen Kent wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
Danny,<br>
<br>
=A0We have been told by several operators that the values stated in<br>
Section 4.3 of RFC 4271 are not what is used today. We also have been<br>
told that, contrary to the &quot;SHOULD NOT&quot; in Section 5.1.1 of this =
RFC,<br>
it is not uncommon for ASes to change this value, en route. Given<br>
these two observations, I don&#39;t see how one can argue that protecting<b=
r>
this attribute via a PATHSEC mechanism makes sense.<br>
</blockquote>
<br>
84% of ASes are stubs, apparently. =A0Many of our own ASes are stubs and we=
 buy transit services in some places from some of the ISPs that like to muc=
k with the ORIGIN code to exploit traffic attraction attacks. I&#39;d like =
a secure routing protocol to be derived from requirements that accommodate =
issues that both ISPs and stub ASes are concerned with. =A0That&#39;s what =
I&#39;d like as an operator. If this is yet another thing that you believe =
is beyond the scope of SIDR because the current BGPSEC spec doesn&#39;t acc=
ommodate it then why don&#39;t we stop pretending to be writing threats and=
 requirements documents and you just publish your BGPSEC spec?<br>

<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
=A0Separately, there is the issue of whether it makes sense to address<br>
the security of the ORIGIN attribute in the threats document. The SIDR<br>
charter states that the path security goal is &quot;Is the AS-Path<br>
represented in the route the same as the path through which the NLRI<br>
traveled&quot;<br>
</blockquote>
<br>
Careful, I&#39;m not sure the current BGPSEC spec does that at all for the =
&quot;AS_PATH&quot;, and it actually diverges in some places. =A0If you&#39=
;re going to use the charter again to nix this requirement as an acceptable=
 residual vulnerability in the threats draft then it&#39;s crystal clear to=
 me that you and the BGPSEC design team simply want to publish the BGPSEC d=
raft as you&#39;ve already envisioned and you don&#39;t want to accommodate=
 my operational requirements. =A0If that&#39;s the case then let&#39;s just=
 kill the threats and requirements documents and save everyone&#39;s time.<=
br>

<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
There are a variety of other attributes that do not directly<br>
support this goal, and which are not being addressed as part of the<br>
PATHSEC model.<br>
</blockquote>
<br>
Right, and I think they should be, as they all impact BGP path selection in=
 various ways.<br>
<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
The threats document already addresses this issue, in<br>
the Residual Vulnerabilities section.<br>
</blockquote>
<br>
Out of curiosity, does anyone intend to ever address the growing list of &q=
uot;residual vulnerabilities&quot; or is this merely a place to catalog req=
uirements that would rather not be addressed?<br>
<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
I suggest the following updated<br>
text for that section, to better explain the criteria for inclusion<br>
and exclusion in that document:<br>
<br>
PATHSEC is not planned to protect all attributes associated with an<br>
AS_PATH, even though some of these attributes may be employed as<br>
inputs to routing decisions. Thus attacks that modify (or strip) these<br>
other attributes are not prevented/detected by PATHSEC. The SIDR<br>
charter calls for protecting only the info needed to verify that a<br>
received route traversed the ASes enumerated in the AS_PATH, and that<br>
the NLRI in the route is what was advertised. (The AS_PATH data also<br>
may have traversed ASes within a confederation that are not<br>
represented. However, these ASes are not externally visible, and thus<br>
do not influence route selection, so their omission in this context is<br>
not a security concern.) Thus, protection of other attributes is<br>
outside the scope of the charter, at the time this document was<br>
prepared.<br>
</blockquote>
<br>
Again, I&#39;d like some clarity on how long we&#39;re going to hide behind=
 an explicitly worded charter, or if we&#39;re actually going to address an=
y of these issues?<br>
<br>
-danny<br>
<br>
______________________________<u></u>_________________<br>
sidr mailing list<br>
<a href=3D"mailto:sidr@ietf.org" target=3D"_blank">sidr@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/sidr" target=3D"_blank">ht=
tps://www.ietf.org/mailman/<u></u>listinfo/sidr</a><br>
</blockquote></div>

--485b397dd783359e5b04d7ba6904--

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Subject: Re: [sidr] ORIGINs
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On Tue, Mar 12, 2013 at 9:38 AM, Matthew Lepinski
<mlepinski.ietf@gmail.com> wrote:
> A quick clarification: The current BGPSEC protocol specification can easily
> be modified to protect the ORIGIN attribute. (That is, prevent it from being
> modified by intermediate ASes.)
>
> I can very quickly put out an update to the BGPSEC protocol specification if
> the working group decides that there is a requirement to protect the ORIGIN
> attribute.

I wonder if it's worth protecting it as an option?
In other words protect origin at the origin's discretion.

> It is valuable to have this discussion. I am personally sceptical of
> preventing the modification of the ORIGIN attribute. However, if others in

it seems like there are thorns to watch out for, for sure... and
mandatory action will certainly have us falling into the thorns minus
protection.

> the writhing group see value in protecting the ORIGIN attribute, then I want

autocorrect or freudian slip? :)

> to know about it. (And it is certainly the case that I understand the issue
> better now than I did before this discussion started.)
>
> -Matt Lepinski
>
> On Mar 11, 2013 11:34 PM, "Danny McPherson" <danny@tcb.net> wrote:
>>
>> On 2013-03-11 13:31, Stephen Kent wrote:
>>>
>>> Danny,
>>>
>>>  We have been told by several operators that the values stated in
>>> Section 4.3 of RFC 4271 are not what is used today. We also have been
>>> told that, contrary to the "SHOULD NOT" in Section 5.1.1 of this RFC,
>>> it is not uncommon for ASes to change this value, en route. Given
>>> these two observations, I don't see how one can argue that protecting
>>> this attribute via a PATHSEC mechanism makes sense.
>>
>>
>> 84% of ASes are stubs, apparently.  Many of our own ASes are stubs and we
>> buy transit services in some places from some of the ISPs that like to muck
>> with the ORIGIN code to exploit traffic attraction attacks. I'd like a
>> secure routing protocol to be derived from requirements that accommodate
>> issues that both ISPs and stub ASes are concerned with.  That's what I'd
>> like as an operator. If this is yet another thing that you believe is beyond
>> the scope of SIDR because the current BGPSEC spec doesn't accommodate it
>> then why don't we stop pretending to be writing threats and requirements
>> documents and you just publish your BGPSEC spec?
>>
>>>  Separately, there is the issue of whether it makes sense to address
>>> the security of the ORIGIN attribute in the threats document. The SIDR
>>> charter states that the path security goal is "Is the AS-Path
>>> represented in the route the same as the path through which the NLRI
>>> traveled"
>>
>>
>> Careful, I'm not sure the current BGPSEC spec does that at all for the
>> "AS_PATH", and it actually diverges in some places.  If you're going to use
>> the charter again to nix this requirement as an acceptable residual
>> vulnerability in the threats draft then it's crystal clear to me that you
>> and the BGPSEC design team simply want to publish the BGPSEC draft as you've
>> already envisioned and you don't want to accommodate my operational
>> requirements.  If that's the case then let's just kill the threats and
>> requirements documents and save everyone's time.
>>
>>> There are a variety of other attributes that do not directly
>>> support this goal, and which are not being addressed as part of the
>>> PATHSEC model.
>>
>>
>> Right, and I think they should be, as they all impact BGP path selection
>> in various ways.
>>
>>> The threats document already addresses this issue, in
>>> the Residual Vulnerabilities section.
>>
>>
>> Out of curiosity, does anyone intend to ever address the growing list of
>> "residual vulnerabilities" or is this merely a place to catalog requirements
>> that would rather not be addressed?
>>
>>> I suggest the following updated
>>> text for that section, to better explain the criteria for inclusion
>>> and exclusion in that document:
>>>
>>> PATHSEC is not planned to protect all attributes associated with an
>>> AS_PATH, even though some of these attributes may be employed as
>>> inputs to routing decisions. Thus attacks that modify (or strip) these
>>> other attributes are not prevented/detected by PATHSEC. The SIDR
>>> charter calls for protecting only the info needed to verify that a
>>> received route traversed the ASes enumerated in the AS_PATH, and that
>>> the NLRI in the route is what was advertised. (The AS_PATH data also
>>> may have traversed ASes within a confederation that are not
>>> represented. However, these ASes are not externally visible, and thus
>>> do not influence route selection, so their omission in this context is
>>> not a security concern.) Thus, protection of other attributes is
>>> outside the scope of the charter, at the time this document was
>>> prepared.
>>
>>
>> Again, I'd like some clarity on how long we're going to hide behind an
>> explicitly worded charter, or if we're actually going to address any of
>> these issues?
>>
>> -danny
>>
>> _______________________________________________
>> sidr mailing list
>> sidr@ietf.org
>> https://www.ietf.org/mailman/listinfo/sidr
>
>
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
>

From randy@psg.com  Tue Mar 12 08:00:19 2013
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Subject: Re: [sidr] ORIGINs
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> A quick clarification: The current BGPSEC protocol specification can
> easily be modified to protect the ORIGIN attribute. (That is, prevent
> it from being modified by intermediate ASes.)

ops with deep clue and who i respct have spoken.  don't do it.

randy

From andy@arin.net  Tue Mar 12 10:03:11 2013
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From: Andy Newton <andy@arin.net>
To: "carlos@lacnic.net" <carlos@lacnic.net>, "sidr@ietf.org" <sidr@ietf.org>
Thread-Topic: [sidr] Fwd: New Version Notification for draft-rogaglia-sidr-multiple-publication-points-02.txt
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On 3/11/13 9:59 AM, "Carlos M. Martinez" <carlosm3011@gmail.com> wrote:

>As requested by the chairs, I'm sending this email requesting WG
>adoption of this item.

I support the adoption of this draft as a working group item.

-andy


From Sandra.Murphy@sparta.com  Tue Mar 12 10:55:17 2013
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From: "Murphy, Sandra" <Sandra.Murphy@sparta.com>
To: "sidr@ietf.org" <sidr@ietf.org>
Thread-Topic: wg adoption call for draft-rogaglia-sidr-multiple-publication-points
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The authors of draft-rogaglia-sidr-multiple-publication-points have request=
ed wg adoption.=0A=
=0A=
See http://tools.ietf.org/html/draft-rogaglia-sidr-multiple-publication-poi=
nts =0A=
=0A=
Please do respond to the list as to whether you support the wg adopting thi=
s as a work item.  Note that you do not need to comment on the content of t=
his draft at this time.  You are asked to indicate if you think that this i=
s work that the wg should be doing and whether this draft is an acceptable =
starting point.  Adding whether you can/will review or not is useful.=0A=
=0A=
This adoption call will end on Tuesday, March 26, 2013 (extra time because =
many of those in the wg are busy at the ietf this week).=0A=
=0A=
--Sandy=

From kent@bbn.com  Tue Mar 12 12:15:48 2013
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Subject: Re: [sidr] wg adoption call for draft-rogaglia-sidr-multiple-publication-points
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I think we should explore how to make TAs maximally accessible. I don't 
know if I believe that
revising the TAL format is necessary, but ...

So, yes, I support adoption of this doc as a starting point for the 
discussion.

Steve
On 3/12/13 1:54 PM, Murphy, Sandra wrote:
> The authors of draft-rogaglia-sidr-multiple-publication-points have requested wg adoption.
>
> See http://tools.ietf.org/html/draft-rogaglia-sidr-multiple-publication-points
>
> Please do respond to the list as to whether you support the wg adopting this as a work item.  Note that you do not need to comment on the content of this draft at this time.  You are asked to indicate if you think that this is work that the wg should be doing and whether this draft is an acceptable starting point.  Adding whether you can/will review or not is useful.
>
> This adoption call will end on Tuesday, March 26, 2013 (extra time because many of those in the wg are busy at the ietf this week).
>
> --Sandy
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
>


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Cc: sidr <sidr@ietf.org>
Subject: Re: [sidr] ORIGINs
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On 12/03/13 10:21 -0400, Christopher Morrow wrote:
> On Tue, Mar 12, 2013 at 9:38 AM, Matthew Lepinski
> <mlepinski.ietf@gmail.com> wrote:
> > A quick clarification: The current BGPSEC protocol specification can easily
> > be modified to protect the ORIGIN attribute. (That is, prevent it from being
> > modified by intermediate ASes.)
> >
> > I can very quickly put out an update to the BGPSEC protocol specification if
> > the working group decides that there is a requirement to protect the ORIGIN
> > attribute.
> 
> I wonder if it's worth protecting it as an option?
> In other words protect origin at the origin's discretion.

Although I was skeptical of origin code validation, this seems like another
reasonable alternative.  As an operator, I wouldn't mind the option of only
optionally validating origin code, or conversely on sending side allow those
who choose to have it validated as you suggest take the risk that the only
path in some cases may be dropped by others doing validation (if the majority
of their transit providers are already doing origin code manipulation for
instance). I'm seeing origin manipulation already from certain peers and I
believe some in the same situation many have choosen to flatten origin
themselves (set to igp on incoming) as a result to prevent it from affecting
their BGP decision process.  Other stub AS may use origin code as a traffic
engineering knob internally.  For these reasons, I think origin code
validation should be optional at best (this threat is not high on my list
frankly).

Jon

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On 3/12/13 1:54 PM, Murphy, Sandra wrote:
> The authors of draft-rogaglia-sidr-multiple-publication-points have requested wg adoption.

Support for discussion -- it's important to support high availability by 
*some* mechanism.

Andrew

From madi@cnnic.cn  Tue Mar 12 13:53:50 2013
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I support adoption of this document, the discussion of which is going to =
make a better RPKI deployment.=20


Di Ma
China Internet Network Information Center =A3=A8CNNIC=A3=A9


=D4=DA 2013-3-12=A3=AC=CF=C2=CE=E71:54=A3=AC"Murphy, Sandra" =
<Sandra.Murphy@sparta.com> =D0=B4=B5=C0=A3=BA

> The authors of draft-rogaglia-sidr-multiple-publication-points have =
requested wg adoption.
>=20
> See =
http://tools.ietf.org/html/draft-rogaglia-sidr-multiple-publication-points=
=20
>=20
> Please do respond to the list as to whether you support the wg =
adopting this as a work item.  Note that you do not need to comment on =
the content of this draft at this time.  You are asked to indicate if =
you think that this is work that the wg should be doing and whether this =
draft is an acceptable starting point.  Adding whether you can/will =
review or not is useful.
>=20
> This adoption call will end on Tuesday, March 26, 2013 (extra time =
because many of those in the wg are busy at the ietf this week).
>=20
> --Sandy
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


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Subject: Re: [sidr] wg adoption call for draft-rogaglia-sidr-multiple-publication-points
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	Support and willing to review and comment.

.as

On 12/03/2013 13:54, Murphy, Sandra wrote:
> The authors of draft-rogaglia-sidr-multiple-publication-points have requested wg adoption.
> 
> See http://tools.ietf.org/html/draft-rogaglia-sidr-multiple-publication-points 
> 
> Please do respond to the list as to whether you support the wg adopting this as a work item.  Note that you do not need to comment on the content of this draft at this time.  You are asked to indicate if you think that this is work that the wg should be doing and whether this draft is an acceptable starting point.  Adding whether you can/will review or not is useful.
> 
> This adoption call will end on Tuesday, March 26, 2013 (extra time because many of those in the wg are busy at the ietf this week).
> 
> --Sandy
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 

From achi@bbn.com  Wed Mar 13 07:19:51 2013
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Subject: [sidr] NotFound vs Uninitialized
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Yesterday, Ruediger talked about a 4th validation state for BGP routes 
(RFC 6811 gives only 3).  After thinking about it more, I believe it may 
be helpful to call this validation state "Uninitialized".  Here's why.

First, for the purposes of this discussion, we assume that the 
validating cache has a "complete" snapshot of the global RPKI.  The 
definition of "complete" must be tuned via the validator settings 
according to local policy, but that's a separate conversation.

I believe Ruediger is talking about the actual variable *in the router* 
that stores validation state.  Currently, in the router, the three 
prescribed validation states for a BGP route are (RFC 6811):

    o  NotFound: No VRP Covers the Route Prefix.

    o  Valid: At least one VRP Matches the Route Prefix.

    o  Invalid: At least one VRP Covers the Route Prefix, but no VRP
       Matches it.

There's a hidden assumption in this trichotomy: that the snapshot has 
been completely transferred to the router (via the rpki-rtr), and all 
related processing is complete.  "NotFound" really means "I have 
searched the complete set of VRPs, and no VRP Covers the route prefix." 
  Similarly, "Invalid" really means "I have searched the complete set of 
VRPs, and at least one VRP Covers the route prefix, but no VRP Matches it."

During startup, however, it's important to for a validation state 
variable to start in a 4th state ("Uninitialized").  "Uninitialized" 
says "I haven't finished receiving/processing all the VRPs yet".  This 
is different from "NotFound".  In fact, filters would potentially treat 
this "Uninitialized" state differently from "NotFound".

In some sense this is just an implementation issue, but it is something 
that an implementer could easily get wrong.  You probably DON'T want 
your variables to start out in the "NotFound" state.

Andrew

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On 3/13/13 10:19 AM, Andrew Chi wrote:
> Yesterday, Ruediger talked about a 4th validation state for BGP routes
> (RFC 6811 gives only 3).  After thinking about it more, I believe it may
> be helpful to call this validation state "Uninitialized".  Here's why.

After talking to Doug and Sriram, it sounds like others already had this 
discussion and used the term "Undefined."  That's probably a better 
word, since one might need it for more than just startup conditions.

So do we explicitly call out this state and give it a label, or just 
leave it up to implementers and local policy?  Given that there are 
already several implementations, perhaps there's already a conclusion to 
this?

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On 3/13/13 10:19 AM, Andrew Chi wrote:
> Yesterday, Ruediger talked about a 4th validation state for BGP routes
> (RFC 6811 gives only 3).  After thinking about it more, I believe it may
> be helpful to call this validation state "Uninitialized".  Here's why.

After talking to Doug and Sriram, it sounds like others already had this 
discussion using the term "Undefined."  That's probably a better word, 
since one might need it for more than just startup conditions.

Should we explicitly call out this state?  Did we already decide not to?

From jayb@braeburn.org  Wed Mar 13 12:03:48 2013
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Subject: Re: [sidr] NotFound vs Uninitialized
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Andrew Chi writes:
 > On 3/13/13 10:19 AM, Andrew Chi wrote:
 > > Yesterday, Ruediger talked about a 4th validation state for BGP ro=
utes
 > > (RFC 6811 gives only 3).  After thinking about it more, I believe =
it may
 > > be helpful to call this validation state "Uninitialized".  Here's =
why.
 >=20
 > After talking to Doug and Sriram, it sounds like others already had =
this=20
 > discussion using the term "Undefined."  That's probably a better wor=
d,=20
 > since one might need it for more than just startup conditions.
 >=20
 > Should we explicitly call out this state=3F  Did we already decide n=
ot to=3F

Hi,

Not commenting for now on the need for a new term or the choices
offered, but I did want to point out that junos has a "4th" state now:=20=


Per
http://www.ripe.net/lir-services/resource-management/certification/rout=
er-configuration:=20

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Note: There is an additional state in JunOS called =E2=80=9Cunverified=E2=
=80=9D, which
indicates prefixes that haven=E2=80=99t been policed. This means there =
may be
a BGP neighbour session that doesn=E2=80=99t have an import policy
route-validation applied. You can verify this with the following
command:

junos.rpki.example.net> show route protocol bgp validation-state unveri=
fied

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

We can hash out whether another standard state is required, but I
wanted to urge that in the end we arrive at a set of states with names
that have clear and unambiguous meanings.

Thanks.

=09=09=09=09=09=09=09Jay B.



From oliver.borchert@nist.gov  Wed Mar 13 18:16:09 2013
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From: "Borchert, Oliver" <oliver.borchert@nist.gov>
To: Andrew Chi <achi@bbn.com>
Date: Wed, 13 Mar 2013 21:16:01 -0400
Thread-Topic: [sidr] NotFound vs Uninitialized
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Subject: Re: [sidr] NotFound vs Uninitialized
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On 3/13/13 1:28 PM, "Andrew Chi" <achi@bbn.com> wrote:


>On 3/13/13 10:19 AM, Andrew Chi wrote:
>> Yesterday, Ruediger talked about a 4th validation state for BGP routes
>> (RFC 6811 gives only 3).  After thinking about it more, I believe it may
>> be helpful to call this validation state "Uninitialized".  Here's why.
>
>After talking to Doug and Sriram, it sounds like others already had this
>discussion using the term "Undefined."  That's probably a better word,
>since one might need it for more than just startup conditions.
>
>Should we explicitly call out this state?  Did we already decide not to?

As you correctly state Doug and Sriram, we do allow the validation state
"undefined" in our implementations BGP-Srx and QuaggaSRx. This is for the
timeframe where no information regarding the particular prefix/origin is
known or during its calculation. In our implementation for instance we
out-sorced the internal validation process into its own API - checking the
prefix-origin against the output of the validation cache outside of the
router. During this timeframe (which is a very short timeframe for origin
validation - but longer for path validation) we provide the state
"undefined" to allow the router to continue processing the update until
the final validation result is available and handed back to the router. We
added policies that can specifically deal with this situation which allows
us for instance to ignore the update until a calculated result (one of the
three specified ones) is available. But IMHO this is an implementation
specific solution and others might do it differently.

The main problem, as far as I understood it after talking to Ruediger
yesterday, is the timeframe in which the router fetches new information.
In other words the timeframe between "Serial Query" and "End of Data" -
RFC 6810. During this time new ROAS will be introduced or removed from the
router. If during this time the router reacts to each change individually
without waiting for the "big picture" of this particular
fetch/synchronization, the following problem can arise:

In case a route with a x/24 prefix has the validation result of "NotFound"
and a new ROA is introduced with a lesser specific prefix and insufficient
max length or even another ASN, this route will automatically change its
state from "NotFound" to "Invalid". If on top of this the prefix in
question belongs to the route that is selected, a withdrawal of this route
occurs.
Now an additional ROA is introduced that contains the exact x/24 prefix
including the same ASN, the route's validation state switches from
"Invalid" to "Valid" and the route will be re-selected. If the router
would have waited with its processing of the new information until all new
information are added to the system, the route never would have been
switched to "Invalid". In contrary, it would have switched right away from
"NotFound" to "Valid" without passing "Invalid" and therefore no change in
path selection would have occurred.

For this I see two solutions:
(A) The validation cache MUST send the deltas ordered from more specific
to less specific prefixes.
(B) The router does not process the new information until "End of Data"

Thinking further about (A) it would only solve the problem of a ROA
specifying the lesser specific prefixes that would invalidate the more
specific prefix but not the problem of a "same" specific prefix with a
different ASN. Here the temporary switch to "Invalid" will occur.
This leaves us with only solution (B) that requires the router to wait
until the cache update is performed (receiving "End of Data"), before
using the new information "snapshot". But to not having to wait with
calculating validation results until the update is performed, the old
"snapshot" should be used.

But this problem will not be resolved by adding a fourth state
"undefined". It is more a Best Practice kind of thing which the
implementer MUST be aware of.

Going back to the missing state "undefined", I think this is an
implementation dependent solution that actually only exists during the
time until either a validation state is calculated or during a power up or
until the FIRST "End of Data" is received from the validation cache - I
would not call it uninitialized because it also includes the time between
validation request and validation result as described earlier. This time
is short but not to neglectable, especially during table dumps.

Said that I firmly believe the state "undefined" should be added for
clarity and allowing a defined asynchronous processing of update
validation without delays of regular update-processing due to the fact of
a synchronization between router and cache. But again this could also be
only seen as too much implementation dependent.

Maybe one more information to our implementation, we allow to freely
configure our initialization state, which is by default "undefined" but
can be configured to any other state and therefore provide the operator
with a maximum on flexibility on how to proceed in this case.

Oliver


---------------------------------------------------------------------------
-

Oliver Borchert =AD Computer Scientist
National Institute of Standards and Technology
phone: 301-975-4856, fax: 301-975-6238


From randy@psg.com  Thu Mar 14 03:55:21 2013
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Subject: Re: [sidr] NotFound vs Uninitialized
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what will an operator do differently for these two shades of grey?

what is the trust difference?

was this perhaps discussed extensively before?  what did the security
folk tell us in that discussion?

randy

From aservin@lacnic.net  Thu Mar 14 06:51:45 2013
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   After talking to Oliver and the comments of Andy I think that it 
might valuable that fourth state.

   Trying to respond to Randy I thought that it may be useful to know if 
a route is unknown (prefix holder does not care about the prefix, i 
might not trust it) or "undefined" (i lost connectivity with the cache)

   Perhaps adding a very low preference to unknown (not signed, perhaps 
unsecure?) and leave undefined untouched?

   Does it make sense?

/as


El 14-03-2013 03:55, Randy Bush escribiÃ³:
> what will an operator do differently for these two shades of grey?
>
> what is the trust difference?
>
> was this perhaps discussed extensively before?  what did the security
> folk tell us in that discussion?
>
> randy
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


From dougm@nist.gov  Thu Mar 14 08:07:48 2013
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From: "Montgomery, Douglas" <dougm@nist.gov>
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I remember, and agree with the decision to not try to distinguish among var=
ious flavors of INVALID.

I think this discussion is different.   RFC6811 provides a complete 3 state=
 taxonomy for the result of origin validation, but is based on some assumpt=
ions (e.g., reasonable access ("loose consistency") to RPKI (or other DB) i=
nformation).

"UNDEFINED" is a implementation realization that there are circumstances wh=
en the implicit assumptions of RFC6811 may not hold, and one may like to ha=
ve routing policies that take that fact into consideration.

So far we have waived our hands and said smart people won't let those assum=
ptions fail.  Folks who are worried about new systemic dependencies  betwee=
n routing and global info systems would appreciate the ability to write pur=
poseful policies that could deal with the scenario "what if we can't perfor=
m the validation function as defined?".

I can think of scenarios in which I might treat UNDEFINED different than UN=
KNOWN/NOT-FOUND.

I don't think could/should standardize all circumstances under which the re=
sult UNDEFINED is returned - other than the situations in which the assumpt=
ions of RFC6811 aren't met, or the validation function is unable to execute=
 the defined validation algorithm.

dougm
--
Doug Montgomery - Manager Internet and Scalable Systems Research  / ITL / N=
IST

________________________________________
From: sidr-bounces@ietf.org [sidr-bounces@ietf.org] On Behalf Of aservin [a=
servin@lacnic.net]
Sent: Thursday, March 14, 2013 9:51 AM
To: sidr@ietf.org
Subject: Re: [sidr] NotFound vs Uninitialized

   After talking to Oliver and the comments of Andy I think that it
might valuable that fourth state.

   Trying to respond to Randy I thought that it may be useful to know if
a route is unknown (prefix holder does not care about the prefix, i
might not trust it) or "undefined" (i lost connectivity with the cache)

   Perhaps adding a very low preference to unknown (not signed, perhaps
unsecure?) and leave undefined untouched?

   Does it make sense?

/as


El 14-03-2013 03:55, Randy Bush escribi=F3:
> what will an operator do differently for these two shades of grey?
>
> what is the trust difference?
>
> was this perhaps discussed extensively before?  what did the security
> folk tell us in that discussion?
>
> randy
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

_______________________________________________
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https://www.ietf.org/mailman/listinfo/sidr=

From oliver.borchert@nist.gov  Thu Mar 14 08:18:34 2013
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From: "Borchert, Oliver" <oliver.borchert@nist.gov>
To: Randy Bush <randy@psg.com>, sidr wg <sidr@ietf.org>
Date: Thu, 14 Mar 2013 11:18:31 -0400
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I prefer Undefined over Uninitialized and therefore use Undefined below.

> 
> what will an operator do differently for these two shades of grey?
> 

The "Undefined" state is most likely to change shortly after assigned. If processed as "NotFound" and selected but validated as "Invalid" it would have to be withdrawn right away. A well-defined temporary state such as "Undefined" allows scripting policies such as "Ignore until validation state is available" 

> what is the trust difference?
> 

"FotFound" is a well-defined state within the Cache. It gives a clear answer about the content of the cache. It is what it is, no information found in the cache. 
"Undefined" on the other hand tells me that currently no cache information is available and I simply don't know if it is "NotFound", "Valid", or "Invalid" - I personally have some trouble just assuming a state.

> was this perhaps discussed extensively before?  what did the security folk
> tell us in that discussion?
> 

I don't remember this topic being discussed publicly but at NIST, we spend some time around this topic. And as one of the previous emails shows, at least one other implementation next to ours independently introduced this state.
 
> randy

Oliver

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On 3/14/13 6:55 AM, Randy Bush wrote:
> what will an operator do differently for these two shades of grey?

Good question.  *Operators*, would you ever treat these differently?

> what is the trust difference?

NotFound: The global RPKI doesn't know this route, i.e., *nobody* knows.
Undefined: *I* don't know what the RPKI says about this route.

From Sandra.Murphy@sparta.com  Thu Mar 14 10:55:14 2013
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From: "Murphy, Sandra" <Sandra.Murphy@sparta.com>
To: Andrew Chi <achi@bbn.com>, "sidr@ietf.org" <sidr@ietf.org>
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>> what will an operator do differently for these two shades of grey?=0A=
>=0A=
>Good question.  *Operators*, would you ever treat these differently?=0A=
=0A=
I thought Ruediger was saying that the need for this 4th state arose as his=
 company was studying using RPKI.=0A=
=0A=
Ruediger, was there a difficulty?  a need not met by just 3 states?  can yo=
u say what it was?=0A=
=0A=
--Sandy, speaking as regular ol' wg member=0A=

From dougm@nist.gov  Thu Mar 14 11:02:14 2013
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From: "Montgomery, Douglas" <dougm@nist.gov>
To: Andrew Chi <achi@bbn.com>, "sidr@ietf.org" <sidr@ietf.org>
Date: Thu, 14 Mar 2013 14:02:13 -0400
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Not an ops person - so take with a grain of salt - but imagine a world N years from now where I only accept routes that have VALID origins.  All others routes are dropped.    

Imagine a net/power/nature event that both reboots my routers and all of the caches that I speak too.   If may prefer to reboot the routing system without validation, until enough infrastructure is up to begin validation. 

dougm
--
Doug Montgomery - Manager Internet and Scalable Systems Research Group  / ITL / NIST
________________________________________
From: sidr-bounces@ietf.org [sidr-bounces@ietf.org] On Behalf Of Andrew Chi [achi@bbn.com]
Sent: Thursday, March 14, 2013 1:16 PM
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Subject: Re: [sidr] NotFound vs Uninitialized

On 3/14/13 6:55 AM, Randy Bush wrote:
> what will an operator do differently for these two shades of grey?

Good question.  *Operators*, would you ever treat these differently?

> what is the trust difference?

NotFound: The global RPKI doesn't know this route, i.e., *nobody* knows.
Undefined: *I* don't know what the RPKI says about this route.
_______________________________________________
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From Jac.Kloots@surfnet.nl  Thu Mar 14 11:21:28 2013
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On Thu, 14 Mar 2013, Murphy, Sandra wrote:

>>> what will an operator do differently for these two shades of grey?
>>
>> Good question.  *Operators*, would you ever treat these differently?
>
> I thought Ruediger was saying that the need for this 4th state arose as 
> his company was studying using RPKI.

>From what I understood he's missing a state for unverifiable resources. eg. 
when the validator isn't reachable.

Reading the RFC6811 again, I think the state is covered by the NotFound 
state; No VRP Covers the Route Prefix.

The problem arises when strict RPKI policing is used. Using a strict policy 
you'd only accept Valid prefixes and drop _all_ the others.

For this case a 4th state could be introduced. This state would only be 
assigned if there are no entries in the entire VRP. The strict policy should 
then accept Valids and 4th state prefixes.

Jac

>
> Ruediger, was there a difficulty?  a need not met by just 3 states?  can 
> you say what it was?
>
> --Sandy, speaking as regular ol' wg member
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
>

-- 
Jac Kloots
Network Services
SURFnet bv

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To: "Montgomery, Douglas" <dougm@nist.gov>
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Cc: "sidr@ietf.org" <sidr@ietf.org>
Subject: Re: [sidr] NotFound vs Uninitialized
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Thu, Mar 14, 2013 at 02:02:13PM -0400, Montgomery, Douglas:
> Not an ops person - so take with a grain of salt - but imagine a world N years from now where I only accept routes that have VALID origins.  All others routes are dropped.    
> 
> Imagine a net/power/nature event that both reboots my routers and all of the caches that I speak too.   If may prefer to reboot the routing system without validation, until enough infrastructure is up to begin validation. 

or your validation server is remote - within a prefix that will not be
accepted because it is NotFound/Undefined?

> dougm
> --
> Doug Montgomery - Manager Internet and Scalable Systems Research Group  / ITL / NIST
> ________________________________________
> From: sidr-bounces@ietf.org [sidr-bounces@ietf.org] On Behalf Of Andrew Chi [achi@bbn.com]
> Sent: Thursday, March 14, 2013 1:16 PM
> To: sidr@ietf.org
> Subject: Re: [sidr] NotFound vs Uninitialized
> 
> On 3/14/13 6:55 AM, Randy Bush wrote:
> > what will an operator do differently for these two shades of grey?
> 
> Good question.  *Operators*, would you ever treat these differently?
> 
> > what is the trust difference?
> 
> NotFound: The global RPKI doesn't know this route, i.e., *nobody* knows.
> Undefined: *I* don't know what the RPKI says about this route.
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From kent@bbn.com  Thu Mar 14 14:04:07 2013
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Date: Thu, 14 Mar 2013 17:03:58 -0400
From: Stephen Kent <kent@bbn.com>
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Subject: [sidr] comments on the repository analysis I-D
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--------------030804080901060905050506
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During the first SIDR session I commented that I agree with the need to 
explore new
paradigms for distributing RPKI repository data, but that i was very 
disappointed with
the analysis being used to motivate the exploration.

Attached are my comments on the I-D inn question.  I have used MS Word 
with change control
to associate the comments (and some edits) with the original text. I 
rendered this as a PDF,
so that list members do not need to use MS Word.  I am happy to provide 
the Word doc to the
authors if they wish.

Steve

--------------030804080901060905050506
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--------------030804080901060905050506--

From randy@psg.com  Thu Mar 14 14:10:40 2013
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From: Randy Bush <randy@psg.com>
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Subject: Re: [sidr] NotFound vs Uninitialized
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> NotFound: The global RPKI doesn't know this route, i.e., *nobody*
> knows.

nope.  a cache can not make such an absolute statement

randy

From achi@bbn.com  Thu Mar 14 20:00:17 2013
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Subject: Re: [sidr] NotFound vs Uninitialized
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On 3/14/13 5:10 PM, Randy Bush wrote:
>> NotFound: The global RPKI doesn't know this route, i.e., *nobody*
>> knows.
>
> nope.  a cache can not make such an absolute statement

I thought someone might pick on that!  I was trying to capture the 
intuition rather than the definition; apologies for being imprecise.

Randy, are you implying that in the operator's shoes, the shades of gray 
are not really that distinct?  Meaning that it will never be completely 
safe to drop NotFound?  Just trying to understand.

From randy@psg.com  Fri Mar 15 00:54:54 2013
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> Randy, are you implying that in the operator's shoes, the shades of
> gray are not really that distinct?  Meaning that it will never be
> completely safe to drop NotFound?

my *personal* take is drop invalid and keep the rest.  not sure if i
wanna up-pref valid, though i might.  i would be pretty comfortable to
up-metric valid.

randy

From oleg@ripe.net  Fri Mar 15 11:44:24 2013
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Subject: Re: [sidr] comments on the repository analysis I-D
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Stephen Kent wrote:
> During the first SIDR session I commented that I agree with the need to explore new
> paradigms for distributing RPKI repository data, but that i was very disappointed with
> the analysis being used to motivate the exploration.
>
> Attached are my comments on the I-D inn question.  I have used MS Word with change control
> to associate the comments (and some edits) with the original text. I rendered this as a PDF,
> so that list members do not need to use MS Word.  I am happy to provide the Word doc to the
> authors if they wish.
>
> Steve

Thanks a lot, Steve!
Looks quite constructive.
We'll work on a new version of the document; I already have some questions, not only to you, but also to WG in general. I'll
aggregate them and post to this list.

-- 
Oleg Muravskiy
RIPE NCC


From iesg-secretary@ietf.org  Fri Mar 15 14:03:50 2013
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Subject: [sidr] Protocol Action: 'Definitions of Managed Objects for the RPKI-Router	Protocol' to Proposed Standard	(draft-ietf-sidr-rpki-rtr-protocol-mib-07.txt)
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The IESG has approved the following document:
- 'Definitions of Managed Objects for the RPKI-Router Protocol'
  (draft-ietf-sidr-rpki-rtr-protocol-mib-07.txt) as Proposed Standard

This document is the product of the Secure Inter-Domain Routing Working
Group.

The IESG contact persons are Stewart Bryant and Adrian Farrel.

A URL of this Internet Draft is:
http://datatracker.ietf.org/doc/draft-ietf-sidr-rpki-rtr-protocol-mib/




Technical Summary

This document defines a portion of the Management Information Base
(MIB) for use with network management protocols in the Internet
community. In particular, it describes objects used for monitoring
the RPKI Router protocol. 

Working Group Summary

This document is non controversial and didn't have many WG reviews,
but is believed to be a good quality document. 

Document Quality

I am not aware of any existing implementations.

Bert Wijnen, one of the authors is a MIB Doctors.
Advice was requested from the Ops Ads on the 14th
December on whether further review was required.


Personnel
Alexey Melnikov is the Document Shepherd.
Stewart Bryant is the Responsible Area Director.


RFC Editor Note
 In section 5, pls change:
   rpkiRouter            { mib-2 XXX }
into
   rpkiRtrMIB            { mib-2 XXX }





From iesg-secretary@ietf.org  Fri Mar 15 14:03:51 2013
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The IESG has approved the following document:
- 'Definitions of Managed Objects for the RPKI-Router Protocol'
  (draft-ietf-sidr-rpki-rtr-protocol-mib-07.txt) as Proposed Standard

This document is the product of the Secure Inter-Domain Routing Working
Group.

The IESG contact persons are Stewart Bryant and Adrian Farrel.

A URL of this Internet Draft is:
http://datatracker.ietf.org/doc/draft-ietf-sidr-rpki-rtr-protocol-mib/




Technical Summary

This document defines a portion of the Management Information Base
(MIB) for use with network management protocols in the Internet
community. In particular, it describes objects used for monitoring
the RPKI Router protocol. 

Working Group Summary

This document is non controversial and didn't have many WG reviews,
but is believed to be a good quality document. 

Document Quality

I am not aware of any existing implementations.

Bert Wijnen, one of the authors is a MIB Doctors.
Advice was requested from the Ops Ads on the 14th
December on whether further review was required.


Personnel
Alexey Melnikov is the Document Shepherd.
Stewart Bryant is the Responsible Area Director.


RFC Editor Note
 In section 5, pls change:
   rpkiRouter            { mib-2 XXX }
into
   rpkiRtrMIB            { mib-2 XXX }





From arturo.servin@gmail.com  Mon Mar 18 07:33:32 2013
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Hi,

	Some comments about Steve comments:

Comment 1 (also related with 44): I agree that ISPs may operate caches
in behalf end-users ASNs, but also I think that more than 1 cache may be
operated by a single ISP. Imagine a global ASN operator with routers in
several places. Are they going to have just one master cache? Or are
they have one or two (backup), and just in one location? Considering
this, even the 40k clients may be low as worse case IMHO.

Comment 10: Not sure if I understand the point, but because we do not
trust fully on BIND we also operate DNS with NSD. In fact, I agree with
the authors that we have a problem depending on just one implementation
of rsync.

Comment 28: For LACNIC ~ 2,500 members and ~ 2,200 PI. But as opposite
to RIPE NCC, PI holders are members as well (not sure if this is
relevant to the numbers)

Comment 31: I do not have numbers of prefixes per ROA, but it is a
number that we could get soon.

Comment 44: Does any body has a pointer of that proposal?

Comment 46: This is hard to answer. I have heard some operators asking
for minutes to have fresh new ROAs. Some others do not mind and request
objects every few hours. What is the middle or agreed value? (also
related with 55)

Comment 57: I think the reason is that CDNs today work on http and we
know them more or less well. Although possible it would be more
expensive and complex to have rsync-CDNs. Also this is related to
comment 54, the "single point" is "magically" distributed by the CDN
responding with the "closest" point as it is done today for http content.

	Hope it helps for the discussion and to improve the document.

Regards,
as




On 3/14/13 6:03 PM, Stephen Kent wrote:
> During the first SIDR session I commented that I agree with the need to
> explore new
> paradigms for distributing RPKI repository data, but that i was very
> disappointed with
> the analysis being used to motivate the exploration.
> 
> Attached are my comments on the I-D inn question.  I have used MS Word
> with change control
> to associate the comments (and some edits) with the original text. I
> rendered this as a PDF,
> so that list members do not need to use MS Word.  I am happy to provide
> the Word doc to the
> authors if they wish.
> 
> Steve
> 
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 

From christopher.morrow@gmail.com  Mon Mar 18 08:35:08 2013
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I'm not a fan of word in general.. but this comment numbering rules ;)

On Mon, Mar 18, 2013 at 10:33 AM, Arturo Servin <arturo.servin@gmail.com> w=
rote:
> Hi,
>
>         Some comments about Steve comments:
>
> Comment 1 (also related with 44): I agree that ISPs may operate caches
> in behalf end-users ASNs, but also I think that more than 1 cache may be
> operated by a single ISP. Imagine a global ASN operator with routers in
> several places. Are they going to have just one master cache? Or are
> they have one or two (backup), and just in one location? Considering
> this, even the 40k clients may be low as worse case IMHO.

oops, so... we need to be clear in terminology here there are at least:
  o publication points - places/machines AS Operators would make their
authoritative information available to the world.
  o 'gatherer' machines - machines an AS Operator would use to gather
repository data from all of the publication points.
  o caches - systems inside of and AS which provide the digested data
to the routers of that operator's network.

Note that:
  1) a publication point may share common hardware/network/etc with
another publication point (shared/hosted model)
  2) a AS Operator may operate more than one 'gatherer' perhaps they
partition the publication space ? or some other strategy is in use
(local decisions not really relevant, I think, for overall discussion)
  3) a cache may be only internal facing "all for me, only!" or it may
provide the cache services for external parties (customers,
random-joe-internet-operator, researchers).
  4) it's entirely up to the AS operator to decide how many and in
what configuration the caches are in his/her network.

I think that most of Tim/Oleg's doc is about publication points and
the load placed on the entire system by gatherers... I don't think
they tackle the cache part at all in their doc.

As to the end of the comment in question:
 "So, I don=92t think this
parameter is a good estimate (worst case, but
probably not representative). "

I think it's fair to state: "The worst case today is AS's =3D=3D Gatherers"
which is the intent of tim/oleg's work here... I think :)

I think another part of Stephen's comment is really that there's the
potential for an AS operator to run a gatherer for his/her customer's
to benefit from... That doesn't seem unreasonable, but it's not
knowable how many WILL do that, so I'd err on the side of worst-case
and jump to #AS =3D=3D #gatherers. (as long as that's stated clearly)

As to the memory limits imposed by platforms chosen for the study,
it's probably fair to not that any system which drives toward
max-memory+ is going to hit a cliff in performance when the system is
forced to swap :( try to avoid swap... it's slow (so I hear).

> Comment 10: Not sure if I understand the point, but because we do not
> trust fully on BIND we also operate DNS with NSD. In fact, I agree with
> the authors that we have a problem depending on just one implementation
> of rsync.
>
> Comment 28: For LACNIC ~ 2,500 members and ~ 2,200 PI. But as opposite
> to RIPE NCC, PI holders are members as well (not sure if this is
> relevant to the numbers)
>
> Comment 31: I do not have numbers of prefixes per ROA, but it is a
> number that we could get soon.
>
> Comment 44: Does any body has a pointer of that proposal?

I suspect this is actually a comment about cache's not gatherers?
Either way I'm not sure a 2x factor matters in end here...

> Comment 46: This is hard to answer. I have heard some operators asking
> for minutes to have fresh new ROAs. Some others do not mind and request
> objects every few hours. What is the middle or agreed value? (also
> related with 55)

this, I think, is from some of the discussions Danny/Eric have been
driving about time to get CRL updates out everywhere, or times to get
a new ROA published and seen 'everywhere'. I believe we ended up
talking about a time of on the order of 2-5 minutes for: "Have new
prefix, make roa, get published and distributed"

I don't know that that number matters a LOT today, it will certainly
be much more interesting as a target in a few more years (when
deployment is further along).

> Comment 57: I think the reason is that CDNs today work on http and we
> know them more or less well. Although possible it would be more
> expensive and complex to have rsync-CDNs. Also this is related to

'rsync cdn' =3D=3D 'lots of rsync servers' really, right? since really you
are essentially making new 'cache' (at the cdn) for each client... the
only think you're winning with this approach (and rsync) is moving the
tcp endpoint closer (maybe) to your client/requestor.

Has anyone (not to derail too far) thought about git or another
network-based RCS system for this? It seems that (as much as I was
poking the tiger on the IETF thread about this) the checkpointing and
such is attractive... done right, it'd even give the history data that
some folks want for the changes to objects.

> comment 54, the "single point" is "magically" distributed by the CDN

for comment 54, I think the text is talking about: "with all RP's
talking to all PubPoints, as the time horizon on changes gets smaller
(from 1-3 hrs to 10 mins) each RP will have to talk to the PubPoints
more often, leading to more concurrency at each PubPoint over time"

Making the overall connection time shorter for these conversations
could alleviate the concurrency problem.

> responding with the "closest" point as it is done today for http content.
>
>         Hope it helps for the discussion and to improve the document.
>
> Regards,
> as
>
>
>
>
> On 3/14/13 6:03 PM, Stephen Kent wrote:
>> During the first SIDR session I commented that I agree with the need to
>> explore new
>> paradigms for distributing RPKI repository data, but that i was very
>> disappointed with
>> the analysis being used to motivate the exploration.
>>
>> Attached are my comments on the I-D inn question.  I have used MS Word
>> with change control
>> to associate the comments (and some edits) with the original text. I
>> rendered this as a PDF,
>> so that list members do not need to use MS Word.  I am happy to provide
>> the Word doc to the
>> authors if they wish.
>>
>> Steve
>>
>>
>> _______________________________________________
>> sidr mailing list
>> sidr@ietf.org
>> https://www.ietf.org/mailman/listinfo/sidr
>>
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

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I'll just address one of your comments here and I'll save the rest until =
I have time to talk to Tim and Oleg as we update this document based on =
all the feedback.

I had proposed to the mailing list a DVCS like approach to replace =
rsync, but after more consideration I joined with Tim and Oleg to work =
on these documents instead.

Some of the reasons are:

* What do you do in the case of a merge conflict? They require human =
intervention which means that any solution should prevent merge =
conflicts. It might be possible to get existing DVCS to always prefer =
one changeset over another changeset but I imagine that the logic for =
which should 'win' could get tricky given the number of publishers here. =
Do you use time to determine which one is newer? Who knows if the other =
servers have their clocks set correctly. Do you use the manifests? I =
don't believe that there is a practical, simple solution to this for =
existing DVCS's, but admittedly I haven't looked into this a great deal =
so I could be wrong...
* Is there a standard for the DVCS? Would we be moving from one =
non-standard program, rsync, to another, say Git?
* This one is my opinion. It is only worthwhile to force consistency for =
a single publication point (not up/down in a delegated world). =
Otherwise, the system becomes incredibly complex and rife with a new =
attack vector where a child could "freeze" a parent and prevent it from =
publishing if the parent and child have to coordinate to guarantee =
consistency across the two. Of course this only gets worse the deeper =
the hierarchy is.

I had started writing a Git-like DVCS that would detect file based =
changes, would not ever have merge conflicts (solving issue #1) and =
could be proposed as a standard (solving issue #2). After considering =
#3, I decided that consistency was only practical at a single =
publication point instead of trying to force it up/down the hierarchy I =
decided that the extra complexity of a DVCS solution was not better than =
a simple HTTP/XML with a session id and version id as we proposed in =
draft-tbruijnzeels-sidr-delta-protocol.  It might also be less CDN =
friendly depending on the implementation, but that wasn't a real concern =
to me.

There is another possible technical hurdle to overcome which has to do =
how Git/Mercurial/etc. implement a custom file system of sorts, which =
enables super fast checkout, but getting this to be cross platform might =
be a lot of work. Hint: they aren't doing file copying. :)  Nothing that =
couldn't be overcome, but this is a lot more work that the immutable =
data structures side of the DVCS IMHO.

I agree that it does have some nice properties.

* It could be used without the publication protocol which means it could =
be used by the existing code bases that write to file systems that are =
in use at the RIR's today. It would simply require the process that =
writes to the file system to indicate that it would like to 'commit' =
when it completed writing changes to the repository. This is 100% =
possible with the delta protocol that we described, however it does not =
provide any mechanism to do so.
* You could view point in time history of what a particular instance =
saw. This very well may help with debugging real world issues.

Just one final thought: there is nothing that says you couldn't take a =
DVCS approach that used the delta protocol we described. The proposed =
protocol simply describes the format of the messages that are sent over =
the wire and some very basic information about the state of the =
publication server (session id and version id).=20

Anyway, as someone who has considered this in the past I just wanted to =
document some of my thoughts regarding the idea.

Just my 2 cents.
-Bryan

On Mar 18, 2013, at 11:35 AM, Christopher Morrow =
<morrowc.lists@gmail.com> wrote:

> I'm not a fan of word in general.. but this comment numbering rules ;)
>=20
> On Mon, Mar 18, 2013 at 10:33 AM, Arturo Servin =
<arturo.servin@gmail.com> wrote:
>> Hi,
>>=20
>>        Some comments about Steve comments:
>>=20
>> Comment 1 (also related with 44): I agree that ISPs may operate =
caches
>> in behalf end-users ASNs, but also I think that more than 1 cache may =
be
>> operated by a single ISP. Imagine a global ASN operator with routers =
in
>> several places. Are they going to have just one master cache? Or are
>> they have one or two (backup), and just in one location? Considering
>> this, even the 40k clients may be low as worse case IMHO.
>=20
> oops, so... we need to be clear in terminology here there are at =
least:
>  o publication points - places/machines AS Operators would make their
> authoritative information available to the world.
>  o 'gatherer' machines - machines an AS Operator would use to gather
> repository data from all of the publication points.
>  o caches - systems inside of and AS which provide the digested data
> to the routers of that operator's network.
>=20
> Note that:
>  1) a publication point may share common hardware/network/etc with
> another publication point (shared/hosted model)
>  2) a AS Operator may operate more than one 'gatherer' perhaps they
> partition the publication space ? or some other strategy is in use
> (local decisions not really relevant, I think, for overall discussion)
>  3) a cache may be only internal facing "all for me, only!" or it may
> provide the cache services for external parties (customers,
> random-joe-internet-operator, researchers).
>  4) it's entirely up to the AS operator to decide how many and in
> what configuration the caches are in his/her network.
>=20
> I think that most of Tim/Oleg's doc is about publication points and
> the load placed on the entire system by gatherers... I don't think
> they tackle the cache part at all in their doc.
>=20
> As to the end of the comment in question:
> "So, I don=92t think this
> parameter is a good estimate (worst case, but
> probably not representative). "
>=20
> I think it's fair to state: "The worst case today is AS's =3D=3D =
Gatherers"
> which is the intent of tim/oleg's work here... I think :)
>=20
> I think another part of Stephen's comment is really that there's the
> potential for an AS operator to run a gatherer for his/her customer's
> to benefit from... That doesn't seem unreasonable, but it's not
> knowable how many WILL do that, so I'd err on the side of worst-case
> and jump to #AS =3D=3D #gatherers. (as long as that's stated clearly)
>=20
> As to the memory limits imposed by platforms chosen for the study,
> it's probably fair to not that any system which drives toward
> max-memory+ is going to hit a cliff in performance when the system is
> forced to swap :( try to avoid swap... it's slow (so I hear).
>=20
>> Comment 10: Not sure if I understand the point, but because we do not
>> trust fully on BIND we also operate DNS with NSD. In fact, I agree =
with
>> the authors that we have a problem depending on just one =
implementation
>> of rsync.
>>=20
>> Comment 28: For LACNIC ~ 2,500 members and ~ 2,200 PI. But as =
opposite
>> to RIPE NCC, PI holders are members as well (not sure if this is
>> relevant to the numbers)
>>=20
>> Comment 31: I do not have numbers of prefixes per ROA, but it is a
>> number that we could get soon.
>>=20
>> Comment 44: Does any body has a pointer of that proposal?
>=20
> I suspect this is actually a comment about cache's not gatherers?
> Either way I'm not sure a 2x factor matters in end here...
>=20
>> Comment 46: This is hard to answer. I have heard some operators =
asking
>> for minutes to have fresh new ROAs. Some others do not mind and =
request
>> objects every few hours. What is the middle or agreed value? (also
>> related with 55)
>=20
> this, I think, is from some of the discussions Danny/Eric have been
> driving about time to get CRL updates out everywhere, or times to get
> a new ROA published and seen 'everywhere'. I believe we ended up
> talking about a time of on the order of 2-5 minutes for: "Have new
> prefix, make roa, get published and distributed"
>=20
> I don't know that that number matters a LOT today, it will certainly
> be much more interesting as a target in a few more years (when
> deployment is further along).
>=20
>> Comment 57: I think the reason is that CDNs today work on http and we
>> know them more or less well. Although possible it would be more
>> expensive and complex to have rsync-CDNs. Also this is related to
>=20
> 'rsync cdn' =3D=3D 'lots of rsync servers' really, right? since really =
you
> are essentially making new 'cache' (at the cdn) for each client... the
> only think you're winning with this approach (and rsync) is moving the
> tcp endpoint closer (maybe) to your client/requestor.
>=20
> Has anyone (not to derail too far) thought about git or another
> network-based RCS system for this? It seems that (as much as I was
> poking the tiger on the IETF thread about this) the checkpointing and
> such is attractive... done right, it'd even give the history data that
> some folks want for the changes to objects.
>=20
>> comment 54, the "single point" is "magically" distributed by the CDN
>=20
> for comment 54, I think the text is talking about: "with all RP's
> talking to all PubPoints, as the time horizon on changes gets smaller
> (from 1-3 hrs to 10 mins) each RP will have to talk to the PubPoints
> more often, leading to more concurrency at each PubPoint over time"
>=20
> Making the overall connection time shorter for these conversations
> could alleviate the concurrency problem.
>=20
>> responding with the "closest" point as it is done today for http =
content.
>>=20
>>        Hope it helps for the discussion and to improve the document.
>>=20
>> Regards,
>> as
>>=20
>>=20
>>=20
>>=20
>> On 3/14/13 6:03 PM, Stephen Kent wrote:
>>> During the first SIDR session I commented that I agree with the need =
to
>>> explore new
>>> paradigms for distributing RPKI repository data, but that i was very
>>> disappointed with
>>> the analysis being used to motivate the exploration.
>>>=20
>>> Attached are my comments on the I-D inn question.  I have used MS =
Word
>>> with change control
>>> to associate the comments (and some edits) with the original text. I
>>> rendered this as a PDF,
>>> so that list members do not need to use MS Word.  I am happy to =
provide
>>> the Word doc to the
>>> authors if they wish.
>>>=20
>>> Steve
>>>=20
>>>=20
>>> _______________________________________________
>>> sidr mailing list
>>> sidr@ietf.org
>>> https://www.ietf.org/mailman/listinfo/sidr
>>>=20
>> _______________________________________________
>> sidr mailing list
>> sidr@ietf.org
>> https://www.ietf.org/mailman/listinfo/sidr
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


--Apple-Mail=_2670E664-7C49-4F80-99B0-91B0B562220D
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=windows-1252

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dwindows-1252"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I'll =
just address one of your comments here and I'll save the rest until I =
have time to talk to Tim and Oleg as we update this document based on =
all the feedback.<div><br></div><div>I had proposed to the mailing list =
a DVCS like approach to replace rsync, but after more consideration I =
joined with Tim and Oleg to work on these documents =
instead.</div><div><br></div><div>Some of the reasons =
are:</div><div><br></div><div>* What do you do in the case of a merge =
conflict? They require human intervention which means that any solution =
should prevent merge conflicts. It might be possible to get existing =
DVCS to always prefer one changeset over another changeset but I imagine =
that the logic for which should 'win' could get tricky given the number =
of publishers here. Do you use time to determine which one is newer? Who =
knows if the other servers have their clocks set correctly. Do you use =
the manifests? I don't believe that there is a practical, simple =
solution to this for existing DVCS's, but admittedly I haven't looked =
into this a great deal so I could be wrong...</div><div>* Is there a =
standard for the DVCS? Would we be moving from one non-standard program, =
rsync, to another, say Git?</div><div>* This one is my opinion. It is =
only worthwhile to force consistency for a single publication point (not =
up/down in a delegated world). Otherwise, the system becomes incredibly =
complex and rife with a new attack vector where a child could "freeze" a =
parent and prevent it from publishing if the parent and child have to =
coordinate to guarantee consistency across the two. Of course this only =
gets worse the deeper the hierarchy is.</div><div><br></div><div>I had =
started writing a Git-like DVCS that would detect file based changes, =
would not ever have merge conflicts (solving issue #1) and could be =
proposed as a standard (solving issue #2). After considering #3, I =
decided that consistency was only practical at a single publication =
point instead of trying to force it up/down the hierarchy I decided that =
the extra complexity of a DVCS solution was not better than a simple =
HTTP/XML with a session id and version id as we proposed in&nbsp;<a =
href=3D"http://datatracker.ietf.org/doc/draft-tbruijnzeels-sidr-delta-prot=
ocol">draft-tbruijnzeels-sidr-delta-protocol</a>. &nbsp;It might also be =
less CDN friendly depending on the implementation, but that wasn't a =
real concern to me.</div><div><br></div><div>There is another possible =
technical hurdle to overcome which has to do how Git/Mercurial/etc. =
implement a custom file system of sorts, which enables super fast =
checkout, but getting this to be cross platform might be a lot of work. =
Hint: they aren't doing file copying. :) &nbsp;Nothing that couldn't be =
overcome, but this is a lot more work that the immutable data structures =
side of the DVCS IMHO.</div><div><br></div><div>I agree that it does =
have some nice properties.</div><div><br></div><div>* It could be used =
without the publication protocol which means it could be used by the =
existing code bases that write to file systems that are in use at the =
RIR's today. It would simply require the process that writes to the file =
system to indicate that it would like to 'commit' when it completed =
writing changes to the repository. This is 100% possible with the delta =
protocol that we described, however it does not provide any mechanism to =
do so.</div><div>* You could view point in time history of what a =
particular instance saw. This very well may help with debugging real =
world issues.</div><div><br></div><div>Just one final thought: there is =
nothing that says you couldn't take a DVCS approach that used the delta =
protocol we described. The proposed protocol simply describes the format =
of the messages that are sent over the wire and some very basic =
information about the state of the publication server (session id and =
version id).&nbsp;</div><div><br></div><div>Anyway, as someone who has =
considered this in the past I just wanted to document some of my =
thoughts regarding the idea.</div><div><br></div><div>Just my 2 =
cents.</div><div>-Bryan</div><div><br></div><div><div><div>On Mar 18, =
2013, at 11:35 AM, Christopher Morrow &lt;<a =
href=3D"mailto:morrowc.lists@gmail.com">morrowc.lists@gmail.com</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><blockquote =
type=3D"cite">I'm not a fan of word in general.. but this comment =
numbering rules ;)<br><br>On Mon, Mar 18, 2013 at 10:33 AM, Arturo =
Servin &lt;<a =
href=3D"mailto:arturo.servin@gmail.com">arturo.servin@gmail.com</a>&gt; =
wrote:<br><blockquote type=3D"cite">Hi,<br><br> =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Some comments about Steve =
comments:<br><br>Comment 1 (also related with 44): I agree that ISPs may =
operate caches<br>in behalf end-users ASNs, but also I think that more =
than 1 cache may be<br>operated by a single ISP. Imagine a global ASN =
operator with routers in<br>several places. Are they going to have just =
one master cache? Or are<br>they have one or two (backup), and just in =
one location? Considering<br>this, even the 40k clients may be low as =
worse case IMHO.<br></blockquote><br>oops, so... we need to be clear in =
terminology here there are at least:<br> &nbsp;o publication points - =
places/machines AS Operators would make their<br>authoritative =
information available to the world.<br> &nbsp;o 'gatherer' machines - =
machines an AS Operator would use to gather<br>repository data from all =
of the publication points.<br> &nbsp;o caches - systems inside of and AS =
which provide the digested data<br>to the routers of that operator's =
network.<br><br>Note that:<br> &nbsp;1) a publication point may share =
common hardware/network/etc with<br>another publication point =
(shared/hosted model)<br> &nbsp;2) a AS Operator may operate more than =
one 'gatherer' perhaps they<br>partition the publication space ? or some =
other strategy is in use<br>(local decisions not really relevant, I =
think, for overall discussion)<br> &nbsp;3) a cache may be only internal =
facing "all for me, only!" or it may<br>provide the cache services for =
external parties (customers,<br>random-joe-internet-operator, =
researchers).<br> &nbsp;4) it's entirely up to the AS operator to decide =
how many and in<br>what configuration the caches are in his/her =
network.<br><br>I think that most of Tim/Oleg's doc is about publication =
points and<br>the load placed on the entire system by gatherers... I =
don't think<br>they tackle the cache part at all in their doc.<br><br>As =
to the end of the comment in question:<br> "So, I don=92t think =
this<br>parameter is a good estimate (worst case, but<br>probably not =
representative). "<br><br>I think it's fair to state: "The worst case =
today is AS's =3D=3D Gatherers"<br>which is the intent of tim/oleg's =
work here... I think :)<br><br>I think another part of Stephen's comment =
is really that there's the<br>potential for an AS operator to run a =
gatherer for his/her customer's<br>to benefit from... That doesn't seem =
unreasonable, but it's not<br>knowable how many WILL do that, so I'd err =
on the side of worst-case<br>and jump to #AS =3D=3D #gatherers. (as long =
as that's stated clearly)<br><br>As to the memory limits imposed by =
platforms chosen for the study,<br>it's probably fair to not that any =
system which drives toward<br>max-memory+ is going to hit a cliff in =
performance when the system is<br>forced to swap :( try to avoid swap... =
it's slow (so I hear).<br><br><blockquote type=3D"cite">Comment 10: Not =
sure if I understand the point, but because we do not<br>trust fully on =
BIND we also operate DNS with NSD. In fact, I agree with<br>the authors =
that we have a problem depending on just one implementation<br>of =
rsync.<br><br>Comment 28: For LACNIC ~ 2,500 members and ~ 2,200 PI. But =
as opposite<br>to RIPE NCC, PI holders are members as well (not sure if =
this is<br>relevant to the numbers)<br><br>Comment 31: I do not have =
numbers of prefixes per ROA, but it is a<br>number that we could get =
soon.<br><br>Comment 44: Does any body has a pointer of that =
proposal?<br></blockquote><br>I suspect this is actually a comment about =
cache's not gatherers?<br>Either way I'm not sure a 2x factor matters in =
end here...<br><br><blockquote type=3D"cite">Comment 46: This is hard to =
answer. I have heard some operators asking<br>for minutes to have fresh =
new ROAs. Some others do not mind and request<br>objects every few =
hours. What is the middle or agreed value? (also<br>related with =
55)<br></blockquote><br>this, I think, is from some of the discussions =
Danny/Eric have been<br>driving about time to get CRL updates out =
everywhere, or times to get<br>a new ROA published and seen =
'everywhere'. I believe we ended up<br>talking about a time of on the =
order of 2-5 minutes for: "Have new<br>prefix, make roa, get published =
and distributed"<br><br>I don't know that that number matters a LOT =
today, it will certainly<br>be much more interesting as a target in a =
few more years (when<br>deployment is further along).<br><br><blockquote =
type=3D"cite">Comment 57: I think the reason is that CDNs today work on =
http and we<br>know them more or less well. Although possible it would =
be more<br>expensive and complex to have rsync-CDNs. Also this is =
related to<br></blockquote><br>'rsync cdn' =3D=3D 'lots of rsync =
servers' really, right? since really you<br>are essentially making new =
'cache' (at the cdn) for each client... the<br>only think you're winning =
with this approach (and rsync) is moving the<br>tcp endpoint closer =
(maybe) to your client/requestor.<br><br>Has anyone (not to derail too =
far) thought about git or another<br>network-based RCS system for this? =
It seems that (as much as I was<br>poking the tiger on the IETF thread =
about this) the checkpointing and<br>such is attractive... done right, =
it'd even give the history data that<br>some folks want for the changes =
to objects.<br><br><blockquote type=3D"cite">comment 54, the "single =
point" is "magically" distributed by the CDN<br></blockquote><br>for =
comment 54, I think the text is talking about: "with all RP's<br>talking =
to all PubPoints, as the time horizon on changes gets smaller<br>(from =
1-3 hrs to 10 mins) each RP will have to talk to the PubPoints<br>more =
often, leading to more concurrency at each PubPoint over =
time"<br><br>Making the overall connection time shorter for these =
conversations<br>could alleviate the concurrency =
problem.<br><br><blockquote type=3D"cite">responding with the "closest" =
point as it is done today for http content.<br><br> =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Hope it helps for the =
discussion and to improve the =
document.<br><br>Regards,<br>as<br><br><br><br><br>On 3/14/13 6:03 PM, =
Stephen Kent wrote:<br><blockquote type=3D"cite">During the first SIDR =
session I commented that I agree with the need to<br>explore =
new<br>paradigms for distributing RPKI repository data, but that i was =
very<br>disappointed with<br>the analysis being used to motivate the =
exploration.<br><br>Attached are my comments on the I-D inn question. =
&nbsp;I have used MS Word<br>with change control<br>to associate the =
comments (and some edits) with the original text. I<br>rendered this as =
a PDF,<br>so that list members do not need to use MS Word. &nbsp;I am =
happy to provide<br>the Word doc to the<br>authors if they =
wish.<br><br>Steve<br><br><br>____________________________________________=
___<br>sidr mailing list<br><a =
href=3D"mailto:sidr@ietf.org">sidr@ietf.org</a><br>https://www.ietf.org/ma=
ilman/listinfo/sidr<br><br></blockquote>__________________________________=
_____________<br>sidr mailing list<br><a =
href=3D"mailto:sidr@ietf.org">sidr@ietf.org</a><br>https://www.ietf.org/ma=
ilman/listinfo/sidr<br></blockquote>______________________________________=
_________<br>sidr mailing list<br><a =
href=3D"mailto:sidr@ietf.org">sidr@ietf.org</a><br>https://www.ietf.org/ma=
ilman/listinfo/sidr<br></blockquote></div><br></div></body></html>=

--Apple-Mail=_2670E664-7C49-4F80-99B0-91B0B562220D--

From kent@bbn.com  Mon Mar 18 09:47:23 2013
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From: Stephen Kent <kent@bbn.com>
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Subject: Re: [sidr] comments on the repository analysis I-D
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Arturo,

> Hi,
>
> 	Some comments about Steve comments:
>
> Comment 1 (also related with 44): I agree that ISPs may operate caches
> in behalf end-users ASNs, but also I think that more than 1 cache may be
> operated by a single ISP. Imagine a global ASN operator with routers in
> several places. Are they going to have just one master cache? Or are
> they have one or two (backup), and just in one location? Considering
> this, even the 40k clients may be low as worse case IMHO.
See Chris's comment re the issue of "gather's" vs. caches, for a more
precise description of this issue.
> Comment 10: Not sure if I understand the point, but because we do not
> trust fully on BIND we also operate DNS with NSD. In fact, I agree with
> the authors that we have a problem depending on just one implementation
> of rsync.
My point was that there are circumstances in which there is a de facto 
single implementation and
that folks have survived. But, I agree with the principle stated here, 
so, never mind ,...
> Comment 28: For LACNIC ~ 2,500 members and ~ 2,200 PI. But as opposite
> to RIPE NCC, PI holders are members as well (not sure if this is
> relevant to the numbers)
Thanks. I suspected that the dichotomty cited in the RIPE context might
not be representative of all RIRs, as your reply conformed.
> Comment 31: I do not have numbers of prefixes per ROA, but it is a
> number that we could get soon.
I think it will be useful to have such #'s from several sources.
> Comment 44: Does any body has a pointer of that proposal?
http://www.iepg.org/2012-07-ietf84/120729-randy.pdf
> Comment 46: This is hard to answer. I have heard some operators asking
> for minutes to have fresh new ROAs. Some others do not mind and request
> objects every few hours. What is the middle or agreed value? (also
> related with 55)
There are at least two issue here: how quickly a new/changed ROA is 
published
after it is created/modified, and how quickly one should expect all
RPs to have acquired this info. The RPKI propagation model for ROAs was
based on the observation that, typically, the binding between an address 
space holder
and the AS originating routes to that space changed very infrequently, and
not very fast. Conversations with RIR staff supported this notion, based on
IRR DB experience. So, suggesting that this data needs to be propagated in
minutes, vs. 1/2 a day, is quite a change.
> Comment 57: I think the reason is that CDNs today work on http and we
> know them more or less well. Although possible it would be more
> expensive and complex to have rsync-CDNs. Also this is related to
> comment 54, the "single point" is "magically" distributed by the CDN
> responding with the "closest" point as it is done today for http content.
My comment was independent of the use of CDNs; an RIR could maintain a 
master DB
for RPKI data and push copies to multiple caches for access by RPs, 
using rsync.
But, I agree that it is attractive to explore using CDNs, IF we can make use
of appropriate security mechanisms to ensure that RPs know that the 
current version data
and deltas are authentic.

Steve

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On Mon, Mar 18, 2013 at 12:22 PM, Bryan Weber <brweber2@yahoo.com> wrote:
> Anyway, as someone who has considered this in the past I just wanted to
> document some of my thoughts regarding the idea.

awesome, thanks! I didn't imagine one monolithic repository, but one
per pub-point.. I don't think conflicts exist if you simple sync
always from each repository... well, the conflicts seem simpler to get
out of: "master always wins".

In the end though, I was just imagining :) I'm not wedded to the idea/concept.

From wesley.george@twcable.com  Mon Mar 18 11:35:12 2013
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> -----Original Message-----
> From: Sean Turner [mailto:turners@ieca.com]
>
>
> Comments inline.
[WEG] me too
>
>
> We're trying to head off the typical knee-jerk reaction about non-client
> generated keys where somebody says oh no can't do that because that's
> what their BPKI does.  But, I get your point.  How about:
>
> The difference between the two methods is where the keys are generated:
> on the router in the router-driven method and elsewhere in the operator-
> driven model.  Different equipment necessitates the two methods.  Some
> equipment doesn't allow the private key to be off-loaded while other
> equipment does.  Off-loading private keys supports hot-swappable routers
> that need to have the same private key needs installed in the soon-to-be
> online router that was installed in the soon-to-be offline router.
[WEG] yes this is much clearer
>
> Do you think we need to say anything like:
>
> NOTE: Unlike humans, routers can be easily cloned; hence, operators
> generating the private keys make sense.
>
[WEG] I'm not sure I follow the logic on this one, so I don't have a good a=
nswer for you - is it meant to be a justification of using the operator-gen=
erated model, or a recommendation to do so, or something else?

> >
> > The key (pun very
> much intended) thing here is to highlight things that are different from
> normal provisioning and explain why they're important.
>
> I was shooting for something more narrative, but yeah I could see that
> it would make sense to say here's what's different.  Now, any idea where
> this BCP is? :)  I'm not sure there is one.
[WEG] There isn't a BCP in the IETF sense of the word. I was thinking more =
generally in terms of the fact that most folks who can provision a router f=
rom bare metal know how to do this, IOW, it's common practice. If we really=
 need a reference, modulus the specific commands being typed, any "how to e=
nable SSH access to your RouterBrand (tm) router using the  fantastic and i=
ntuitive IJunSRScreenOS CLI" documentation would probably be sufficient to =
serve as a baseline for something like: "this document assumes that the rea=
der is capable of provisioning a router for SSH access per the manufacturer=
's instructions. The following additional steps are necessary/recommended t=
o prepare for keying the router for SIDR because of foo" where foo would be=
 any security recommendations like requiring certificate-based authenticati=
on, etc. Basically, limit your discussion to things that are either critica=
l enough that you don't want to simply assume they'll be present in the ven=
dor documentation, or different from the norm because that's what's necessa=
ry for your process to be secure.
>
>
> Ah for this section, the only key transferred is public and it's in the
> PKCS#10, which is the only thing that gets transferred.  But, you asking
> this question makes me think I should make it clearer about what's being
> transfer and why anybody'd care.
[WEG] Yes, your brief explanation above makes this much clearer, so adding =
it will be helpful
>
> > Also, I don't follow your last sentence "...linkage between private
> key and a router..." - why is that important?
>
> The idea is that you want to be able to know the router's got the
> private key associated with the public key.  Another way to say this is
> POP - and I agree this could be made clearer.  Something like:
>
>   Note that even if the operator can not get the private key off the
>   router this still provides a linkage between a private key and a
>   router.  That is the server can do a proof of possession (POP),
>    as required by [RFC6484].
[WEG] Makes more sense, but "this" is ambiguous in the above sentence, even=
 when read with the preceding text. Replacing "this" with its antecedent wi=
ll help.
>
> > 3.2 "installed over the ssh session..." - are we talking simple copy
> and paste of a huge string of text representing the key, or is it
> actually SCP/SFTP of a file that is then read into the router's config
> via additional commands?
> > If you're talking copy/paste, it's probably worth warning that for
> keys over a certain size, this method is error-prone. I've seen a lot of
> mangled config because someone exceeded a paste buffer when trying to
> copy/paste a config, especially over a 9600 bps console at the other end
> of 90ms of latency.
>
> An excellent point, but I'm sure hope it's commands and not ctrl-c/v.
[WEG] well... I (and probably lots of other people) learned from the school=
 of hard knocks on this one, so I'd say it's a point worth making explicitl=
y.

Wes George


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Subject: Re: [sidr] RPKI operations list?
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At Sun, 3 Feb 2013 13:01:25 -0500, Osterweil, Eric wrote:
> 
> Is there an operations list somewhere for RPKI repository
> operations?  We're hoping there's some forum where all of the RIRs
> and (any other repo ops) are listening/talking?  We've been seeing
> some anomalies in the deployed RPKI repositories and we'd like to
> plug in (especially if there are already some conversations going
> about what we've been seeing).

Sorry, I was on holiday back when Eric first posted this, thanks to
Andrew Chi for pointing it out to me.

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Subject: Re: [sidr] comments on the repository analysis I-D
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--Multipart_Tue_Mar_19_11:51:33_2013-1
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> oops, so... we need to be clear in terminology here there are at least:
>   o publication points - places/machines AS Operators would make their
> authoritative information available to the world.
>   o 'gatherer' machines - machines an AS Operator would use to gather
> repository data from all of the publication points.
>   o caches - systems inside of and AS which provide the digested data
> to the routers of that operator's network.

from the emulation preso series


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--Multipart_Tue_Mar_19_11:51:33_2013-1--

From aservin@lacnic.net  Tue Mar 19 03:57:07 2013
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Date: Tue, 19 Mar 2013 07:56:50 -0300
From: Arturo Servin <aservin@lacnic.net>
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Subject: Re: [sidr] RPKI operations list?
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	Thanks!

	I think it would be very valuable to interchange operational experience
and help our still small community to communicate (and make it grow)

Regards
.as

On 19/03/2013 01:06, Rob Austein wrote:
> At Sun, 3 Feb 2013 13:01:25 -0500, Osterweil, Eric wrote:
>>
>> Is there an operations list somewhere for RPKI repository
>> operations?  We're hoping there's some forum where all of the RIRs
>> and (any other repo ops) are listening/talking?  We've been seeing
>> some anomalies in the deployed RPKI repositories and we'd like to
>> plug in (especially if there are already some conversations going
>> about what we've been seeing).
> 
> Sorry, I was on holiday back when Eric first posted this, thanks to
> Andrew Chi for pointing it out to me.
> 
> rpki@rpki.net is available for this purpose.  Traffic is sporadic but
> generally low.  List was very recently converted to Mailman.
> 
> List info:
>    https://lists.rpki.net/mailman/listinfo/rpki
> 
> Mailman web interface uses a server certificate issued by private CA.
> CA certificate, and PGP signed version for anyone who might care:
>    http://www.hactrn.net/cacert.cer
>    http://www.hactrn.net/cacert.asc
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 

From carlosm3011@gmail.com  Tue Mar 19 08:01:45 2013
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From: "Carlos M. Martinez" <carlosm3011@gmail.com>
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References: <89FE469F-C657-4E38-91F8-F1B3E791BFE5@verisign.com> <20130319040619.A22F217098@thrintun.hactrn.net> <51484472.1040802@lacnic.net>
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Subject: Re: [sidr] RPKI operations list?
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Make it grow? I hope there wasn't an IETF-pun intended there ...

</joke>

:D


On 3/19/13 7:56 AM, Arturo Servin wrote:
> 
> 	Thanks!
> 
> 	I think it would be very valuable to interchange operational experience
> and help our still small community to communicate (and make it grow)
> 
> Regards
> .as
> 
> On 19/03/2013 01:06, Rob Austein wrote:
>> At Sun, 3 Feb 2013 13:01:25 -0500, Osterweil, Eric wrote:
>>>
>>> Is there an operations list somewhere for RPKI repository
>>> operations?  We're hoping there's some forum where all of the RIRs
>>> and (any other repo ops) are listening/talking?  We've been seeing
>>> some anomalies in the deployed RPKI repositories and we'd like to
>>> plug in (especially if there are already some conversations going
>>> about what we've been seeing).
>>
>> Sorry, I was on holiday back when Eric first posted this, thanks to
>> Andrew Chi for pointing it out to me.
>>
>> rpki@rpki.net is available for this purpose.  Traffic is sporadic but
>> generally low.  List was very recently converted to Mailman.
>>
>> List info:
>>    https://lists.rpki.net/mailman/listinfo/rpki
>>
>> Mailman web interface uses a server certificate issued by private CA.
>> CA certificate, and PGP signed version for anyone who might care:
>>    http://www.hactrn.net/cacert.cer
>>    http://www.hactrn.net/cacert.asc
>> _______________________________________________
>> sidr mailing list
>> sidr@ietf.org
>> https://www.ietf.org/mailman/listinfo/sidr
>>
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 

From aservin@lacnic.net  Tue Mar 19 08:02:49 2013
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Subject: Re: [sidr] RPKI operations list?
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	Sorry, typo.

	Morning without coffee.

:)


On 3/19/13 12:01 PM, Carlos M. Martinez wrote:
> Make it grow? I hope there wasn't an IETF-pun intended there ...
> 
> </joke>
> 
> :D
> 
> 
> On 3/19/13 7:56 AM, Arturo Servin wrote:
>>
>> 	Thanks!
>>
>> 	I think it would be very valuable to interchange operational experience
>> and help our still small community to communicate (and make it grow)
>>
>> Regards
>> .as
>>
>> On 19/03/2013 01:06, Rob Austein wrote:
>>> At Sun, 3 Feb 2013 13:01:25 -0500, Osterweil, Eric wrote:
>>>>
>>>> Is there an operations list somewhere for RPKI repository
>>>> operations?  We're hoping there's some forum where all of the RIRs
>>>> and (any other repo ops) are listening/talking?  We've been seeing
>>>> some anomalies in the deployed RPKI repositories and we'd like to
>>>> plug in (especially if there are already some conversations going
>>>> about what we've been seeing).
>>>
>>> Sorry, I was on holiday back when Eric first posted this, thanks to
>>> Andrew Chi for pointing it out to me.
>>>
>>> rpki@rpki.net is available for this purpose.  Traffic is sporadic but
>>> generally low.  List was very recently converted to Mailman.
>>>
>>> List info:
>>>    https://lists.rpki.net/mailman/listinfo/rpki
>>>
>>> Mailman web interface uses a server certificate issued by private CA.
>>> CA certificate, and PGP signed version for anyone who might care:
>>>    http://www.hactrn.net/cacert.cer
>>>    http://www.hactrn.net/cacert.asc
>>> _______________________________________________
>>> sidr mailing list
>>> sidr@ietf.org
>>> https://www.ietf.org/mailman/listinfo/sidr
>>>
>> _______________________________________________
>> sidr mailing list
>> sidr@ietf.org
>> https://www.ietf.org/mailman/listinfo/sidr
>>

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On Tue, Mar 19, 2013 at 5:51 AM, Randy Bush <randy@psg.com> wrote:
>> oops, so... we need to be clear in terminology here there are at least:
>>   o publication points - places/machines AS Operators would make their
>> authoritative information available to the world.
>>   o 'gatherer' machines - machines an AS Operator would use to gather
>> repository data from all of the publication points.
>>   o caches - systems inside of and AS which provide the digested data
>> to the routers of that operator's network.
>
> from the emulation preso series

your slide confuses me... with the arrows from ARIN -> cache1-asia
(etc) seeming to imply a push from rpki-ARIN (which I assume is the
pub point for arin?) to the cache1-asia system?

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On 3/19/2013 12:06 AM, Rob Austein wrote:
> rpki@rpki.net is available for this purpose.

Thanks, Rob!



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> your slide confuses me... with the arrows from ARIN -> cache1-asia
> (etc) seeming to imply a push from rpki-ARIN (which I assume is the
> pub point for arin?) to the cache1-asia system?

push is your imagination.  control flow is not intended, otherwise
interpub would be unnecessarily 'interesing'.  the arrows show direction
of data flow.

randy

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On Wed, Mar 20, 2013 at 1:29 AM, Randy Bush <randy@psg.com> wrote:
>> your slide confuses me... with the arrows from ARIN -> cache1-asia
>> (etc) seeming to imply a push from rpki-ARIN (which I assume is the
>> pub point for arin?) to the cache1-asia system?
>
> push is your imagination.  control flow is not intended, otherwise
> interpub would be unnecessarily 'interesing'.  the arrows show direction
> of data flow.

ah-ha! :) gotcha.

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On 2013-03-18 10:47, Stephen Kent wrote:

> There are at least two issue here: how quickly a new/changed ROA is 
> published
> after it is created/modified, and how quickly one should expect all
> RPs to have acquired this info. The RPKI propagation model for ROAs 
> was
> based on the observation that, typically, the binding between an
> address space holder
> and the AS originating routes to that space changed very 
> infrequently, and
> not very fast. Conversations with RIR staff supported this notion, 
> based on
> IRR DB experience. So, suggesting that this data needs to be 
> propagated in
> minutes, vs. 1/2 a day, is quite a change.

No, it's not.

The system converges at the speed of routing today, if I have to wait 
12 hours to mitigate an attack for someone then that could be a problem. 
If the RIR's actually conducted any qualitative study to this effect 
I'd appreciate a reference - I've seen none.  However, I can say for 
certain that there are many companies that need "minutes" of 
convergence, just like they have today, else they won't be able to 
perform things like DDoS mitigation for hours or longer, and that's not 
acceptable to many current operations.  We have a business that utilizes 
this today.

We've already had this discussion here.

-danny


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Subject: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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Interesting presentation here:

http://www.cs.bu.edu/~goldbe/papers/Cooper_RPKI_BFOC.pdf

"The RPKI (Resource Public Key Infrastructure) is a new infrastructure 
to secure Internet routing
Itâ€™s been in deployment since ~2011 But, it also creates new risks 
(misconfigurations and takedowns)
that could make IP prefixes unreachable"

Given we've been concerned (and vocal) about this from an operational 
perspective since RPKI's proposed "tight coupling" into BGPSEC 
discussions many years ago...

-danny


From jcurran@istaff.org  Wed Mar 20 06:17:17 2013
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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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On Mar 20, 2013, at 6:50 AM, Danny McPherson <danny@tcb.net> wrote:

> Interesting presentation here:
>=20
> http://www.cs.bu.edu/~goldbe/papers/Cooper_RPKI_BFOC.pdf
>=20
> "The RPKI (Resource Public Key Infrastructure) is a new infrastructure =
to secure Internet routing
> It=92s been in deployment since ~2011 But, it also creates new risks =
(misconfigurations and takedowns)
> that could make IP prefixes unreachable"
>=20
> Given we've been concerned (and vocal) about this from an operational =
perspective since RPKI's proposed "tight coupling" into BGPSEC =
discussions many years ago...

So, I'm a little confused...  (wouldn't be the first time :-)

The presentation states "Importantly, RPKI validity must impact routing=20=

decisions.", which I guess we have to take as a truism if RPKI is to =
have=20
any effect at all on routing security.  It then goes on to equate cert
revocation (and resulting loss of a ROA) with an impact to reachability.=20=


I don't understand how they conclude that loss of a ROA would be a=20
reachability impacting event (on its own), since any party using =20
routing policy as outlined in <draft-ietf-sidr-origin-ops-20> is
almost certainly going to end up using an announcement which is=20
now NotFound origin instead...=20

Danny - Is there really a "tight coupling" if providers are=20
following the recommend BGP origin validation best practices?

/John


From arturo.servin@gmail.com  Wed Mar 20 06:20:36 2013
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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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	And THE organization can also take down bgp-peers, shutdown interfaces,
etc.

	At the end, it is its space, they can revoke certs.

Cheers,
as

On 3/20/13 9:50 AM, Danny McPherson wrote:
> 
> Interesting presentation here:
> 
> http://www.cs.bu.edu/~goldbe/papers/Cooper_RPKI_BFOC.pdf
> 
> "The RPKI (Resource Public Key Infrastructure) is a new infrastructure
> to secure Internet routing
> Itâ€™s been in deployment since ~2011 But, it also creates new risks
> (misconfigurations and takedowns)
> that could make IP prefixes unreachable"
> 
> Given we've been concerned (and vocal) about this from an operational
> perspective since RPKI's proposed "tight coupling" into BGPSEC
> discussions many years ago...
> 
> -danny
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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> Danny - Is there really a "tight coupling" if providers are 
> following the recommend BGP origin validation best practices?

I said BGPSEC...  

-danny


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Subject: [sidr] Fwd: Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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>> Danny - Is there really a "tight coupling" if providers are=20
>> following the recommend BGP origin validation best practices?
>=20
> I said BGPSEC... =20

However, my statement does apply to origin validation as well, in some envis=
aged deployment models...

-danny




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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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On Mar 20, 2013, at 7:21 AM, Danny McPherson <danny@tcb.net> wrote:

>> Danny - Is there really a "tight coupling" if providers are 
>> following the recommend BGP origin validation best practices?
> 
> I said BGPSEC...  

Got it - the presentation suggests that RPKI poses risks to network
reachability due to attack vectors on the certificate infrastructure
that impact ROAs, the loss of which may not actually cause reachability
issues if people are following best-practices, but would be true if 
there were a tight-coupling to routing, which there isn't with BGP 
origin preference, but might be with BGPSEC...  

I'm not sure I'd use that particular presentation's logic to try to 
make a point, but it's your example... ;-)

/John



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Danny,
> On 2013-03-18 10:47, Stephen Kent wrote:
>
>> There are at least two issue here: how quickly a new/changed ROA is 
>> published
>> after it is created/modified, and how quickly one should expect all
>> RPs to have acquired this info. The RPKI propagation model for ROAs was
>> based on the observation that, typically, the binding between an
>> address space holder
>> and the AS originating routes to that space changed very 
>> infrequently, and
>> not very fast. Conversations with RIR staff supported this notion, 
>> based on
>> IRR DB experience. So, suggesting that this data needs to be 
>> propagated in
>> minutes, vs. 1/2 a day, is quite a change.
>
> No, it's not.
My comment applies to the statement about the frequency with which IRR 
DB entries, some of which are
very analogous to ROAs, change. Your assertion (below) might be that 
folks who do not rely on these
dabatases accept changes in asserted prefix/ASN bindings at the speed of 
routing updates. I
agree with that observaiton, but note that it's also what made the 
Pakistan Telecom vs. YouTube
incident possible.
> The system converges at the speed of routing today, if I have to wait 
> 12 hours to mitigate an attack for someone then that could be a 
> problem. If the RIR's actually conducted any qualitative study to this 
> effect I'd appreciate a reference - I've seen none. However, I can say 
> for certain that there are many companies that need "minutes" of 
> convergence, just like they have today, else they won't be able to 
> perform things like DDoS mitigation for hours or longer, and that's 
> not acceptable to many current operations. We have a business that 
> utilizes this today.
You cite DDoS mitigation as _an_ example, whereas it seems to be more 
_the_ example. Also, it's not clear
that asserting a new origin AS for a target of such an attack is the 
only way to deal with the problem,
just the way that it is performed today, for ASes that do not make 
arrangements in advance to counter
such attacks.

Steve

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<html>
  <head>
    <meta content="text/html; charset=us-ascii"
      http-equiv="Content-Type">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    Danny,<br>
    <blockquote cite="mid:c0d347637bb3c667692c02cfca25c1f9@tcb.net"
      type="cite">On 2013-03-18 10:47, Stephen Kent wrote:
      <br>
      <br>
      <blockquote type="cite">There are at least two issue here: how
        quickly a new/changed ROA is published
        <br>
        after it is created/modified, and how quickly one should expect
        all
        <br>
        RPs to have acquired this info. The RPKI propagation model for
        ROAs was
        <br>
        based on the observation that, typically, the binding between an
        <br>
        address space holder
        <br>
        and the AS originating routes to that space changed very
        infrequently, and
        <br>
        not very fast. Conversations with RIR staff supported this
        notion, based on
        <br>
        IRR DB experience. So, suggesting that this data needs to be
        propagated in
        <br>
        minutes, vs. 1/2 a day, is quite a change.
        <br>
      </blockquote>
      <br>
      No, it's not.
      <br>
    </blockquote>
    My comment applies to the statement about the frequency with which
    IRR DB entries, some of which are<br>
    very analogous to ROAs, change. Your assertion (below) might be that
    folks who do not rely on these<br>
    dabatases accept changes in asserted prefix/ASN bindings at the
    speed of routing updates. I<br>
    agree with that observaiton, but note that it's also what made the
    Pakistan Telecom vs. YouTube<br>
    incident possible. <br>
    <blockquote cite="mid:c0d347637bb3c667692c02cfca25c1f9@tcb.net"
      type="cite">The system converges at the speed of routing today, if
      I have to wait 12 hours to mitigate an attack for someone then
      that could be a problem. If the RIR's actually conducted any
      qualitative study to this effect I'd appreciate a reference - I've
      seen none.&nbsp; However, I can say for certain that there are many
      companies that need "minutes" of convergence, just like they have
      today, else they won't be able to perform things like DDoS
      mitigation for hours or longer, and that's not acceptable to many
      current operations.&nbsp; We have a business that utilizes this today.
      <br>
    </blockquote>
    You cite DDoS mitigation as <u>an</u> example, whereas it seems to
    be more <u>the</u> example. Also, it's not clear<br>
    that asserting a new origin AS for a target of such an attack is the
    only way to deal with the problem,<br>
    just the way that it is performed today, for ASes that do not make
    arrangements in advance to counter<br>
    such attacks.<br>
    <br>
    Steve<br>
  </body>
</html>

--------------010608080509090208060902--

From carlosm3011@gmail.com  Wed Mar 20 07:17:44 2013
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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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<disclaimer: i haven't read the paper in full, i've started and so far
it seems more solid than the slide deck>

I agree with John's observations. We need to stop making the statement
"no roa == no route", because it's simply not true.

So far in my reading of the full paper, many of the 'vulnerabilities'
they mention (quotes intended, I'm not sure the word is properly applied
given the context) appear to (1) depend of how RPs handle the 'Unknown'
validity state, and, more deeply, (2) to the very nature of the
tree-based model of trust.

For (1), I believe that we're still a long way from dropping unknowns,
and we're definitely going to 'build the road as we go' (paraphrasing a
very well known Chilean poet). Additional work might be needed in this area.

For (2), I share the misgivings, but, do we have anything better ?
Should we stop using tree-based models of trust until we do? I don't
think so. Until now, this has worked reasonably well. Given the sheer
amount of certification authorities out there, the fiascos like Digi
Notar have not been that many. In the case of the RPKI we are talking
about a more restricted universe that can be audited more easily and
into which other safeguards could be built.

cheers!

~Carlos




On 3/20/13 10:17 AM, John Curran wrote:
> On Mar 20, 2013, at 6:50 AM, Danny McPherson <danny@tcb.net> wrote:
> 
>> Interesting presentation here:
>>
>> http://www.cs.bu.edu/~goldbe/papers/Cooper_RPKI_BFOC.pdf
>>
>> "The RPKI (Resource Public Key Infrastructure) is a new infrastructure to secure Internet routing
>> It’s been in deployment since ~2011 But, it also creates new risks (misconfigurations and takedowns)
>> that could make IP prefixes unreachable"
>>
>> Given we've been concerned (and vocal) about this from an operational perspective since RPKI's proposed "tight coupling" into BGPSEC discussions many years ago...
> 
> So, I'm a little confused...  (wouldn't be the first time :-)
> 
> The presentation states "Importantly, RPKI validity must impact routing 
> decisions.", which I guess we have to take as a truism if RPKI is to have 
> any effect at all on routing security.  It then goes on to equate cert
> revocation (and resulting loss of a ROA) with an impact to reachability. 
> 
> I don't understand how they conclude that loss of a ROA would be a 
> reachability impacting event (on its own), since any party using  
> routing policy as outlined in <draft-ietf-sidr-origin-ops-20> is
> almost certainly going to end up using an announcement which is 
> now NotFound origin instead... 
> 
> Danny - Is there really a "tight coupling" if providers are 
> following the recommend BGP origin validation best practices?
> 
> /John
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 

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Cc: "sidr@ietf.org" <sidr@ietf.org>
Subject: Re: [sidr] comments on the repository analysis I-D
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On Mar 20, 2013, at 9:44 AM, Stephen Kent <kent@bbn.com>=20
> You cite DDoS mitigation as an example, whereas it seems to be more the ex=
ample.

Bah..  How many examples do you need? =20

> Also, it's not clear
> that asserting a new origin AS for a target of such an attack is the only w=
ay to deal with the problem,
> just the way that it is performed today, for ASes that do not make arrange=
ments in advance to counter
> such attacks.

Hah, right. If you've any magic the industry would be interested in it Dr. K=
ent.  Until then, please try not to break current capabilities that real ope=
rators broadly use..

-danny=

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<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><br></div><div><br>On Mar 20, 2013, at 9:44 AM, Stephen Kent &lt;<a href="mailto:kent@bbn.com">kent@bbn.com</a>&gt;&nbsp;<br></div><blockquote type="cite">
    You cite DDoS mitigation as <u>an</u> example, whereas it seems to
    be more <u>the</u> example. </blockquote><div><br></div>Bah.. &nbsp;How many examples do you need? &nbsp;<div><br><blockquote type="cite">Also, it's not clear<br>
    that asserting a new origin AS for a target of such an attack is the
    only way to deal with the problem,<br>
    just the way that it is performed today, for ASes that do not make
    arrangements in advance to counter<br>
    such attacks.</blockquote><br></div><div>Hah, right. If you've any magic the industry would be interested in it Dr. Kent. &nbsp;Until then, please try not to break current capabilities that real operators broadly use..</div><div><br></div><div>-danny</div></body></html>
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From: "Roque Gagliano (rogaglia)" <rogaglia@cisco.com>
To: Danny McPherson <danny@tcb.net>
Thread-Topic: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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Date: Wed, 20 Mar 2013 15:00:43 +0000
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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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Danny,

Thanks for the link. I read the doc.

I do not believe the work has been peer-reviewed and I detected a couple =
of bizarre statements (such as deleting an object =3D revocation or the =
idea of "overwriting" a ROA to replace an existing one).

What I believe it adds to our work are a number of scenarios on how to =
implement grand-parenting (not all valid) if we ever decide to take that =
problem.

What specific finding(s) concerns you?

Roque


On Mar 20, 2013, at 1:50 PM, Danny McPherson <danny@tcb.net> wrote:

>=20
> Interesting presentation here:
>=20
> http://www.cs.bu.edu/~goldbe/papers/Cooper_RPKI_BFOC.pdf
>=20
> "The RPKI (Resource Public Key Infrastructure) is a new infrastructure =
to secure Internet routing
> It=92s been in deployment since ~2011 But, it also creates new risks =
(misconfigurations and takedowns)
> that could make IP prefixes unreachable"
>=20
> Given we've been concerned (and vocal) about this from an operational =
perspective since RPKI's proposed "tight coupling" into BGPSEC =
discussions many years ago...
>=20
> -danny
>=20
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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--bcaec5523bb6d7363a04d85cb023
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Hey Danny,

I read the paper.  Maybe it's that I'm missing the voice-over for the
slides, but I don't really see anything new here.  Every new security
mechanism creates a new DOS possibility.  If you screw up your HTTPS cert
or your CA revokes it, your website goes down.  This happens because only
hard failures can provide real security guarantees.  As the presentation
notes, soft failure produces vulnerability -- a "depref invalid" policy
allows sub-prefix hijacking.

One other thing to note is that manipulation is indistinguishable from
legitimate revocation, at a technical level.  So the only solution here is
at the human layer, for RPKI relying party software to have operator
overrides.  Randy stated this better than I at a RIPE meeting many moons
ago -- with the RPKI, we're automatically handling a common error (hijacks
and fat-fingers) at the expense of having to deal manually with an uncommon
error (manipulation).

--Richard




On Wed, Mar 20, 2013 at 8:50 AM, Danny McPherson <danny@tcb.net> wrote:

>
> Interesting presentation here:
>
> http://www.cs.bu.edu/~goldbe/**papers/Cooper_RPKI_BFOC.pdf<http://www.cs.=
bu.edu/~goldbe/papers/Cooper_RPKI_BFOC.pdf>
>
> "The RPKI (Resource Public Key Infrastructure) is a new infrastructure to
> secure Internet routing
> It=92s been in deployment since ~2011 But, it also creates new risks
> (misconfigurations and takedowns)
> that could make IP prefixes unreachable"
>
> Given we've been concerned (and vocal) about this from an operational
> perspective since RPKI's proposed "tight coupling" into BGPSEC discussion=
s
> many years ago...
>
> -danny
>
> ______________________________**_________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/**listinfo/sidr<https://www.ietf.org/mailman=
/listinfo/sidr>
>

--bcaec5523bb6d7363a04d85cb023
Content-Type: text/html; charset=windows-1252
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Hey Danny,<div><br></div><div>I read the paper. =A0Maybe it&#39;s that I&#3=
9;m missing the voice-over for the slides, but I don&#39;t really see anyth=
ing new here. =A0Every new security mechanism creates a new DOS possibility=
. =A0If you screw up your HTTPS cert or your CA revokes it, your website go=
es down. =A0This happens because only hard failures can provide real securi=
ty guarantees. =A0As the presentation notes, soft failure produces vulnerab=
ility -- a &quot;depref invalid&quot; policy allows sub-prefix hijacking.</=
div>
<div><br></div><div>One other thing to note is that manipulation is indisti=
nguishable from legitimate revocation, at a technical level. =A0So the only=
 solution here is at the human layer, for RPKI relying party software to ha=
ve operator overrides. =A0Randy stated this better than I at a RIPE meeting=
 many moons ago -- with the RPKI, we&#39;re automatically handling a common=
 error (hijacks and fat-fingers) at the expense of having to deal manually =
with an uncommon error (manipulation).</div>
<div><br></div><div>--Richard</div><div><br></div><div><br></div><div><br><=
br><div class=3D"gmail_quote">On Wed, Mar 20, 2013 at 8:50 AM, Danny McPher=
son <span dir=3D"ltr">&lt;<a href=3D"mailto:danny@tcb.net" target=3D"_blank=
">danny@tcb.net</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><br>
Interesting presentation here:<br>
<br>
<a href=3D"http://www.cs.bu.edu/~goldbe/papers/Cooper_RPKI_BFOC.pdf" target=
=3D"_blank">http://www.cs.bu.edu/~goldbe/<u></u>papers/Cooper_RPKI_BFOC.pdf=
</a><br>
<br>
&quot;The RPKI (Resource Public Key Infrastructure) is a new infrastructure=
 to secure Internet routing<br>
It=92s been in deployment since ~2011 But, it also creates new risks (misco=
nfigurations and takedowns)<br>
that could make IP prefixes unreachable&quot;<br>
<br>
Given we&#39;ve been concerned (and vocal) about this from an operational p=
erspective since RPKI&#39;s proposed &quot;tight coupling&quot; into BGPSEC=
 discussions many years ago...<br>
<br>
-danny<br>
<br>
______________________________<u></u>_________________<br>
sidr mailing list<br>
<a href=3D"mailto:sidr@ietf.org" target=3D"_blank">sidr@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/sidr" target=3D"_blank">ht=
tps://www.ietf.org/mailman/<u></u>listinfo/sidr</a><br>
</blockquote></div><br></div>

--bcaec5523bb6d7363a04d85cb023--

From danny@tcb.net  Wed Mar 20 08:21:22 2013
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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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On 2013-03-20 09:00, Roque Gagliano (rogaglia) wrote:

> I do not believe the work has been peer-reviewed and I detected a
> couple of bizarre statements (such as deleting an object = revocation
> or the idea of "overwriting" a ROA to replace an existing one).

Much of the work presented here is not "peer reviewed'.  Paper is here:

http://www.cs.bu.edu/~goldbe/papers/RPKImanip.html

I'm sure the authors would welcome comments.

> What I believe it adds to our work are a number of scenarios on how
> to implement grand-parenting (not all valid) if we ever decide to 
> take
> that problem.
>
> What specific finding(s) concerns you?

The general observation as an operator that this would potentially 
impact my operations (and reachability to my peers, etc..) but is 
outside of my control, and that sufficient buffers are required here. 
Nothing new, just another datapoint for folks with various 
perspectives..

-danny





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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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On 2013-03-20 09:15, Richard Barnes wrote:

>
> One other thing to note is that manipulation is indistinguishable
> from legitimate revocation, at a technical level. Â So the only
> solution here is at the human layer, for RPKI relying party software
> to have operator overrides. Â Randy stated this better than I at a 
> RIPE
> meeting many moons ago -- with the RPKI, we're automatically handling
> a common error (hijacks and fat-fingers) at the expense of having to
> deal manually with an uncommon error (manipulation).

Yeh, I understand.  I'm saying as an operator this continues to concern 
me.  Just a datapoint for the WG.  Take it or leave it..

-danny



From russw@riw.us  Wed Mar 20 08:45:31 2013
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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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> I agree with John's observations. We need to stop making the statement
> "no roa == no route", because it's simply not true.

There's something I probably don't understand here...

1. SIDR's ROA/RPKI infrastructure is designed to provide security for
route origination.

2. Security for route origination means that you shouldn't be able to
advertise routes unless someone in the infrastructure (other than you)
has stated (publicly through a signed certificate) "this is a valid route."

3. But... If there's no certificate for a route, it's perfectly fine to
advertise it and route to it.

It seems, to me, that if the RPKI can't be used to actually validate who
owns what route with certainty, we're going to a lot of trouble for
nothing... Or maybe folks are trying to have their cake and eat it to.
"We'll provide solid security which you can ignore if you like, no
problem."

I know this goes back to the difference between "unknown," and
"invalid," but if all address space which no-one actually claims is open
for whatever use anyone wants, then are we really making any progress in
any meaningful way?

Just a thought...

:-)

Russ

From rogaglia@cisco.com  Wed Mar 20 08:58:14 2013
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From: "Roque Gagliano (rogaglia)" <rogaglia@cisco.com>
To: Danny McPherson <danny@tcb.net>
Thread-Topic: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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Date: Wed, 20 Mar 2013 15:58:06 +0000
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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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inline.

On Mar 20, 2013, at 4:21 PM, Danny McPherson <danny@tcb.net> wrote:

> On 2013-03-20 09:00, Roque Gagliano (rogaglia) wrote:
>=20
>> I do not believe the work has been peer-reviewed and I detected a
>> couple of bizarre statements (such as deleting an object =3D =
revocation
>> or the idea of "overwriting" a ROA to replace an existing one).
>=20
> Much of the work presented here is not "peer reviewed'.  Paper is =
here:
>=20
> http://www.cs.bu.edu/~goldbe/papers/RPKImanip.html
>=20
> I'm sure the authors would welcome comments.
>=20
>> What I believe it adds to our work are a number of scenarios on how
>> to implement grand-parenting (not all valid) if we ever decide to =
take
>> that problem.
>>=20
>> What specific finding(s) concerns you?
>=20
> The general observation as an operator that this would potentially =
impact my operations (and reachability to my peers, etc..) but is =
outside of my control, and that sufficient buffers are required here. =
Nothing new, just another datapoint for folks with various =
perspectives..
>=20

got it.=20

Roque

> -danny
>=20
>=20
>=20
>=20


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From jakob.heitz@ericsson.com  Wed Mar 20 12:01:23 2013
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From: Jakob Heitz <jakob.heitz@ericsson.com>
To: Russ White <russw@riw.us>, "sidr@ietf.org" <sidr@ietf.org>
Thread-Topic: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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On , Russ White <> wrote:

>> I agree with John's observations. We need to stop making the
>> statement "no roa =3D=3D no route", because it's simply not true.
>=20
> There's something I probably don't understand here...
>=20
> 1. SIDR's ROA/RPKI infrastructure is designed to provide security for
> route origination.=20
>=20
> 2. Security for route origination means that you shouldn't be able to
> advertise routes unless someone in the infrastructure (other than you)
> has stated (publicly through a signed certificate) "this is a
> valid route."
>=20
> 3. But... If there's no certificate for a route, it's
> perfectly fine to
> advertise it and route to it.
>=20
> It seems, to me, that if the RPKI can't be used to actually
> validate who
> owns what route with certainty, we're going to a lot of trouble for
> nothing... Or maybe folks are trying to have their cake and eat it to.
> "We'll provide solid security which you can ignore if you like, no
> problem."=20
>=20
> I know this goes back to the difference between "unknown," and
> "invalid," but if all address space which no-one actually
> claims is open
> for whatever use anyone wants, then are we really making any
> progress in
> any meaningful way?

There is a difference.
Invalid: someone is certified to own it and someone ELSE is originating.
Unknown: No one is certified owner.


--=20
Jakob Heitz.

From russw@riw.us  Wed Mar 20 12:09:57 2013
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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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> There is a difference.
> Invalid: someone is certified to own it and someone ELSE is originating.
> Unknown: No one is certified owner.

Yes, I know that --but when someone says this:

> I agree with John's observations. We need to stop making the
> statement "no roa == no route", because it's simply not true.

In response to a paper that says removing ROAs is a form of DoS, or that
there are potential problems in the space of the relationship between
the registry and the address owner, then we've moved from "unknown," to
"contested." The response given essentially says, "don't worry about
attacks, because in the case of attacks, we'll just ignore those ROA
thingies."

If that's the case, then why bother with the ROAs in the first place?

Again, you can't have your cake and eat it too... Either ROAs mean
something, and attacks against the ROA system are a real threat, or the
attacks are not worth worrying about --in which case, the ROAs
themselves don't mean anything from day one.

:-)

Russ


From jcurran@istaff.org  Wed Mar 20 12:41:59 2013
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On Mar 20, 2013, at 1:10 PM, Russ White <russw@riw.us> wrote:

> In response to a paper that says removing ROAs is a form of DoS, or that
> there are potential problems in the space of the relationship between
> the registry and the address owner, then we've moved from "unknown," to
> "contested." The response given essentially says, "don't worry about
> attacks, because in the case of attacks, we'll just ignore those ROA
> thingies."

The problem in the paper was equating removing ROAs with DoS attacks
with actual reachability implications.

> If that's the case, then why bother with the ROAs in the first place?

ROAs provide a method to give your correct routes precedence over other
routes from (hostile) sources.  It is an optional service, and loss of 
the RPKI system is not loss of connectivity. 

The fact that it is optional doesn't mean that it won't be valued by
many folks for its use in routine operations.  (Just as you may value
having an alarm system for your home because of the protection it provides, 
its failure doesn't also automatically unlock your front door...)

> Again, you can't have your cake and eat it too... Either ROAs mean
> something, and attacks against the ROA system are a real threat, or the
> attacks are not worth worrying about --in which case, the ROAs
> themselves don't mean anything from day one.

Loss of a ROA (e.g. due to an attack on the RPKI system) does not 
cause a _reachability event_ if folks are using best practices for 
route precedence; that's what was implied in the paper and is wrong.  
Successful attacks against the RPKI system do have an impact, but it 
is simply that you are again vulnerable to route hijacking.

FYI,
/John






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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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> Loss of a ROA (e.g. due to an attack on the RPKI system) does not 
> cause a _reachability event_ if folks are using best practices for 
> route precedence; that's what was implied in the paper and is wrong.  
> Successful attacks against the RPKI system do have an impact, but it 
> is simply that you are again vulnerable to route hijacking.

How often do you think an attacker would bother with taking out a ROA
without taking out the route as well? But this misses the larger point
--if the ROAs are supposed to provide security, then either:

1. Removing the ROAs is a problem in terms of increased risk, which is a
problem which needs to be addressed.

-OR-

2. Removing the ROAs isn't a problem, in which case we have to ask --why
bother?

You're trying to have your cake and eat it to. ROAs are important unless
they're not important, and you can't tell the difference by looking at
the RPKI system itself.

:-)

Russ


From Sandra.Murphy@sparta.com  Wed Mar 20 13:14:42 2013
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Speaking as a regular ol' member=0A=
=0A=
>It seems, to me, that if the RPKI can't be used to actually validate who=
=0A=
>owns what route with certainty, we're going to a lot of trouble for=0A=
>nothing... Or maybe folks are trying to have their cake and eat it to.=0A=
>"We'll provide solid security which you can ignore if you like, no=0A=
>problem."=0A=
=0A=
Routing policy has always been left to the local operator.  You suggest a c=
hange to a mandated global common policy.  I don't think that could ever fl=
y with the operators.=0A=
=0A=
>I know this goes back to the difference between "unknown," and=0A=
>"invalid," but if all address space which no-one actually claims is open=
=0A=
>for whatever use anyone wants, then are we really making any progress in=
=0A=
>any meaningful way?=0A=
=0A=
So a flag day would be preferable, when everyone would be required to have =
certified their address space?=0A=
=0A=
If not, incremental deployment requires handling the case of "no-one actual=
ly claims" the space.=0A=
=0A=
For the "no-one actually claims" space, that space will be subject to the s=
ame attacks as exist now.  Pretty much the same with any new but unused pro=
tection system.=0A=
=0A=
--Sandy, speaking as regular ol' member=0A=
=0A=

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On Mar 20, 2013, at 1:51 PM, Russ White <russw@riw.us> wrote:

> How often do you think an attacker would bother with taking out a ROA
> without taking out the route as well?

Invert the question... Of the thousands of entities that could today 
inject (hostile) routes and do a hijack today, how many of them will 
be able to also mount an attack against the RPKI infrastructure?

> But this misses the larger point
> --if the ROAs are supposed to provide security, then either:
> 
> 1. Removing the ROAs is a problem in terms of increased risk, which is a
> problem which needs to be addressed.

I never argued with addressing the risks that might be posed; I was pointing 
out that the risk does not equate (on its own) with a reachability event, as 
alluded to by the paper.

/John

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Cc: "sidr@ietf.org" <sidr@ietf.org>
Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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>> It seems, to me, that if the RPKI can't be used to actually validate who
>> owns what route with certainty, we're going to a lot of trouble for
>> nothing... Or maybe folks are trying to have their cake and eat it to.
>> "We'll provide solid security which you can ignore if you like, no
>> problem."
> 
> Routing policy has always been left to the local operator.  You suggest a change to a mandated global common policy.  I don't think that could ever fly with the operators.

Of course --but clearly there is a difference between "not present," and
"under attack," something the current RPKI codes don't take into account.

> So a flag day would be preferable, when everyone would be required to have certified their address space?

Since it's going to take 20 years to deploy anyway (according to various
comments at the mic over the years, and on this and other lists)...

Or perhaps we need a way of telling whether something should have an
entry or not.

:-)

Russ



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Cc: "sidr@ietf.org" <sidr@ietf.org>
Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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>> 1. Removing the ROAs is a problem in terms of increased risk, which is a
>> problem which needs to be addressed.
> 
> I never argued with addressing the risks that might be posed; I was pointing 
> out that the risk does not equate (on its own) with a reachability event, as 
> alluded to by the paper.

That all depends on the policy undertaken by each specific provider,
doesn't it? How can you tell the difference between a route with no ROA
because the registry has decertified, and a route with no ROA simply
because one hasn't ever been created? If the registries issue "negative
ROAs," for all the address space they own, doesn't that immediately
break anyone who doesn't participate?

It seems, to me, that there's a problem in here that's likely to bite
someone in the butt once things really start to deploy (if they ever
really do start to deploy).

But, it's fine, we can put our fingers in our ears, say, "lalalala" as
loud as possible, and hope it's not "me" who gets the first crack as
being bitten by this particular bug.

As Danny said --this is a salient point in the conversation. I'll extend
that to say that if I were a provider, this would be a salient point in
my decision about deploying --or not-- this mechanism.

:-)

Russ


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Cc: "Murphy, Sandra" <Sandra.Murphy@sparta.com>, "sidr@ietf.org" <sidr@ietf.org>
Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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	That could be attacked as well. Then we will have something to tell
that an entry exists for the table that tells that roas exists.

:)

	What we probably need need is something that flags that a Certificate
or a ROA has disappeared in the last X time. Then as operator we could
take the action to decide if this was an attack or a valid revocation.

	
Regards,
as

On 3/20/13 5:20 PM, Russ White wrote:
> 
>>> It seems, to me, that if the RPKI can't be used to actually validate who
>>> owns what route with certainty, we're going to a lot of trouble for
>>> nothing... Or maybe folks are trying to have their cake and eat it to.
>>> "We'll provide solid security which you can ignore if you like, no
>>> problem."
>>
>> Routing policy has always been left to the local operator.  You suggest a change to a mandated global common policy.  I don't think that could ever fly with the operators.
> 
> Of course --but clearly there is a difference between "not present," and
> "under attack," something the current RPKI codes don't take into account.
> 
>> So a flag day would be preferable, when everyone would be required to have certified their address space?
> 
> Since it's going to take 20 years to deploy anyway (according to various
> comments at the mic over the years, and on this and other lists)...
> 
> Or perhaps we need a way of telling whether something should have an
> entry or not.
> 
> :-)
> 
> Russ
> 
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 

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From: "Murphy, Sandra" <Sandra.Murphy@sparta.com>
To: Russ White <russw@riw.us>, John Curran <jcurran@istaff.org>
Thread-Topic: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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Speaking as regular ol' member=0A=
=0A=
>That all depends on the policy undertaken by each specific provider,=0A=
>doesn't it? How can you tell the difference between a route with no ROA=0A=
>because the registry has decertified, and a route with no ROA simply=0A=
>because one hasn't ever been created?=0A=
=0A=
To an ISP who wants to reclaim address space from a customer who has walked=
 or violated their agreement, the ability to decertify that allocated space=
 is a very good feature.=0A=
=0A=
You certainly would not want to end up with a system that would not allow r=
eclaiming address space.=0A=
=0A=
--Sandy=

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> 	What we probably need need is something that flags that a Certificate
> or a ROA has disappeared in the last X time. Then as operator we could
> take the action to decide if this was an attack or a valid revocation.

That is probably a good idea... But since the ROAs are time based
themselves, it might be hard to do (?).

:-)

Russ



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Thread-Topic: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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On 3/20/13 4:41 PM, "Russ White" <russw@riw.us> wrote:

>
>> 	What we probably need need is something that flags that a Certificate
>> or a ROA has disappeared in the last X time. Then as operator we could
>> take the action to decide if this was an attack or a valid revocation.
>
>That is probably a good idea... But since the ROAs are time based
>themselves, it might be hard to do (?).

?

Maybe you mean they are signed by certs that have validity periods?

Monitor and log rpki-rtr protocol - look for ROA withdraws.  Wireshark
module to do that for you is here:
http://www-x.antd.nist.gov/bgpsrx/

Given that the kind of transformations that Sharon's work describes might
be the desirable actions of an ISP reclaiming resources from an
ex-customer, what actions will we take to decide otherwise?  Sandy's point
that such action might be viewed differently looking up the tree, rather
than down.

dougm


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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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On Mar 20, 2013, at 2:26 PM, Russ White <russw@riw.us> wrote:

>> I never argued with addressing the risks that might be posed; I was =
pointing=20
>> out that the risk does not equate (on its own) with a reachability =
event, as=20
>> alluded to by the paper.
>=20
> That all depends on the policy undertaken by each specific provider,
> doesn't it?

Correct.  We have an ID which makes recommendations (but it is still
up to each provider what their specific policy will be)

=46rom <draft-ietf-sidr-origin-ops-20> -=20

   "Announcements with Valid origins SHOULD be preferred over those with
   NotFound or Invalid origins, if the latter are accepted at all.

   Announcements with NotFound origins SHOULD be preferred over those
   with Invalid origins.

   Announcements with Invalid origins SHOULD NOT be used, but MAY be
   used to meet special operational needs.  In such circumstances, the
   announcement SHOULD have a lower preference than that given to Valid
   or NotFound.

   When first deploying origin validation, it may be prudent to not drop
   announcements with Invalid orgins until inspection of logs, SNMP, or
   other data indicate that the correct result would be obtained."

> How can you tell the difference between a route with no ROA
> because the registry has decertified, and a route with no ROA simply
> because one hasn't ever been created?

No ROA is no ROA...  Should give way to routes with Valid origins.

> It seems, to me, that there's a problem in here that's likely to bite
> someone in the butt once things really start to deploy (if they ever
> really do start to deploy).

If that's the case, you might want to make some suggestions of =
alternative=20
text for "Section 5. Routing Policy" of draft-ietf-sidr-origin-ops-20>. =20=

As it is, it looks fairly solid in describing the situation at initial=20=

deployment and factors that an operator might want to consider in =
setting
their local policy.

Thanks!
/John


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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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On 20/03/2013 17:41, Russ White wrote:
> 
>> 	What we probably need need is something that flags that a Certificate
>> or a ROA has disappeared in the last X time. Then as operator we could
>> take the action to decide if this was an attack or a valid revocation.
> 
> That is probably a good idea... But since the ROAs are time based
> themselves, it might be hard to do (?).
> 
> :-)

	Not sure if it is so hard.

	If the ROA expires because of the date is not longer valid, then there
is normal and a high probability that there is no attack.

	Only, if the ROA is valid in the previous state and in the current is
revoked or missing, then you will alert.

> 
> Russ
> 

/as

From oliver.borchert@nist.gov  Wed Mar 20 16:00:05 2013
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To: Arturo Servin <arturo.servin@gmail.com>, "sidr@ietf.org" <sidr@ietf.org>
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> On 20/03/2013 17:41, Russ White wrote:
> >
> >> 	What we probably need need is something that flags that a
> >> Certificate or a ROA has disappeared in the last X time. Then as
> >> operator we could take the action to decide if this was an attack or a valid
> revocation.
> >
> > That is probably a good idea... But since the ROAs are time based
> > themselves, it might be hard to do (?).
> >
> > :-)
> 
> 	Not sure if it is so hard.
> 
> 	If the ROA expires because of the date is not longer valid, then there
> is normal and a high probability that there is no attack.
> 
> 	Only, if the ROA is valid in the previous state and in the current is
> revoked or missing, then you will alert.
> 
> >
> > Russ
> >
> 
> /as

But what does the alert tell me? 
What if one is multi homed, uses two ROAs then switches to be single homed and revokes the second ROA. In this case the owner revoked the ROA and this is not an attack - here the alert is not of help at all!

Oliver


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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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On 20/03/2013 20:00, Borchert, Oliver wrote:
>> On 20/03/2013 17:41, Russ White wrote:
>>>
>>>> 	What we probably need need is something that flags that a
>>>> Certificate or a ROA has disappeared in the last X time. Then as
>>>> operator we could take the action to decide if this was an attack or a valid
>> revocation.
>>>
>>> That is probably a good idea... But since the ROAs are time based
>>> themselves, it might be hard to do (?).
>>>
>>> :-)
>>
>> 	Not sure if it is so hard.
>>
>> 	If the ROA expires because of the date is not longer valid, then there
>> is normal and a high probability that there is no attack.
>>
>> 	Only, if the ROA is valid in the previous state and in the current is
>> revoked or missing, then you will alert.
>>
>>>
>>> Russ
>>>
>>
>> /as
> 
> But what does the alert tell me? 
> What if one is multi homed, uses two ROAs then switches to be single homed and revokes the second ROA. In this case the owner revoked the ROA and this is not an attack - here the alert is not of help at all!
> 
> Oliver

	That is the problem. It is almost impossible to know when a ROA is
revoked legally or by accident/attack. This would only be a mechanism to
alert when something changes, then you to decide as operator what to do.
But most probably you will end up ignoring all the alerts unless there
is a big fuss about it.

/as


> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 

From danny@tcb.net  Wed Mar 20 19:57:30 2013
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Cc: "sidr wg list \(sidr@ietf.org\)" <sidr@ietf.org>
Subject: Re: [sidr] DDoS mitigation example (was: RE: comments on the repository analysis I-D)
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On Mar 20, 2013, at 7:23 PM, "Sriram, Kotikalapudi" <kotikalapudi.sriram@nis=
t.gov> wrote:

> The DDoS mitigation example was discussed before.
> It appeared there was a reasonable solution.
> Please see this post:
> http://www.ietf.org/mail-archive/web/sidr/current/msg05605.html=20

Might work for Joel, not me...

-danny=


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From: Oleg Muravskiy <oleg@ripe.net>
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Subject: Re: [sidr] comments on the repository analysis I-D
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Hi Christopher,

Christopher Morrow wrote:
> Comment 1 (also related with 44): I agree that ISPs may operate caches in behalf end-users ASNs, but also I think that more than 1
> cache may be operated by a single ISP. Imagine a global ASN operator with routers in several places. Are they going to have just
> one master cache? Or are they have one or two (backup), and just in one location? Considering this, even the 40k clients may be
> low as worse case IMHO.
> oops, so... we need to be clear in terminology here there are at least:
>   o publication points - places/machines AS Operators would make their
> authoritative information available to the world.

In our analysis we associate number of CAs in the global RPKI with the number of distinct IP resource holders.

You seem to associate publication points (that directly relate to CAs) with AS Operators.
Since it's a second place where publication points are associated with AS Operators (another is the "RPKI rsync Download Delay
Modeling" presentation), I wonder if I miss something?

-- 
Oleg Muravskiy
RIPE NCC


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Cc: "Sriram, Kotikalapudi" <kotikalapudi.sriram@nist.gov>, "sidr wg list \(sidr@ietf.org\)" <sidr@ietf.org>
Subject: Re: [sidr] DDoS mitigation example (was: RE: comments on the repository analysis I-D)
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..in line..

On Wed, Mar 20, 2013 at 10:57 PM, Danny McPherson <danny@tcb.net> wrote:

>
> On Mar 20, 2013, at 7:23 PM, "Sriram, Kotikalapudi" <
> kotikalapudi.sriram@nist.gov> wrote:
>
> > The DDoS mitigation example was discussed before.
> > It appeared there was a reasonable solution.
> > Please see this post:
> > http://www.ietf.org/mail-archive/web/sidr/current/msg05605.html
>
> Might work for Joel, not me...
>
> -danny
>


Could you help us understand why?  In the thread, it sounds like it
will/does work for Joel as your customer, as he specifically mentions using
Verisign for mitigation.  Is Joel mistaken?  Is there something about
Verisign's deployment that prevents this from working as a temporary
measure in an emergency situation?




> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
>

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<div dir=3D"ltr"><br><div class=3D"gmail_extra">..in line..<br><br><div cla=
ss=3D"gmail_quote">On Wed, Mar 20, 2013 at 10:57 PM, Danny McPherson <span =
dir=3D"ltr">&lt;<a href=3D"mailto:danny@tcb.net" target=3D"_blank">danny@tc=
b.net</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div class=3D"im"><br>
On Mar 20, 2013, at 7:23 PM, &quot;Sriram, Kotikalapudi&quot; &lt;<a href=
=3D"mailto:kotikalapudi.sriram@nist.gov">kotikalapudi.sriram@nist.gov</a>&g=
t; wrote:<br>
<br>
&gt; The DDoS mitigation example was discussed before.<br>
&gt; It appeared there was a reasonable solution.<br>
&gt; Please see this post:<br>
&gt; <a href=3D"http://www.ietf.org/mail-archive/web/sidr/current/msg05605.=
html" target=3D"_blank">http://www.ietf.org/mail-archive/web/sidr/current/m=
sg05605.html</a><br>
<br>
</div>Might work for Joel, not me...<br>
<div class=3D"HOEnZb"><div class=3D"h5"><br>
-danny<br></div></div></blockquote><div><br></div><div><br></div><div style=
>Could you help us understand why? =A0In the thread, it sounds like it will=
/does work for Joel as your customer, as he specifically mentions using Ver=
isign for mitigation. =A0Is Joel mistaken? =A0Is there something about Veri=
sign&#39;s deployment that prevents this from working as a temporary measur=
e in an emergency situation? =A0=A0</div>
<div><br></div><div><br></div><div>=A0</div><blockquote class=3D"gmail_quot=
e" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">=
<div class=3D"HOEnZb"><div class=3D"h5">
_______________________________________________<br>
sidr mailing list<br>
<a href=3D"mailto:sidr@ietf.org">sidr@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/sidr" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/sidr</a><br>
</div></div></blockquote></div><br></div></div>

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From shane@castlepoint.net  Thu Mar 21 07:25:16 2013
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Cc: "sidr@ietf.org" <sidr@ietf.org>
Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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On Mar 20, 2013, at 2:35 PM, "Murphy, Sandra" <Sandra.Murphy@sparta.com> =
wrote:
> Speaking as regular ol' member
>=20
>> That all depends on the policy undertaken by each specific provider,
>> doesn't it? How can you tell the difference between a route with no =
ROA
>> because the registry has decertified, and a route with no ROA simply
>> because one hasn't ever been created?
>=20
> To an ISP who wants to reclaim address space from a customer who has =
walked or violated their agreement, the ability to decertify that =
allocated space is a very good feature.

One would hope that ISP's are smart enough to have signed legally =
binding agreements with their customers to whom they've 'leased' IP =
address space, as part of the customer's Internet transit service.  And, =
if such a situation were to arise, they would first look to seek advice =
from their legal counsel *before* taking any actions which may result in =
damages/harm being caused to that former customer's operations, such as =
revocation of certificates that would decertify the address space =
occupied by that customer.  Generally, but perhaps not always, both =
parties usually come to a mutual agreement as to a timetable whereby the =
former customer is able to renumber out of the former address space in =
order to return it.


> You certainly would not want to end up with a system that would not =
allow reclaiming address space.

One should question the validity of this statement in the face of IPv6, =
which (for all intents and purposes) is nearly "unlimited".  On the one =
hand, RIR's have (IMO) extremely generous allocation policies for IPv6 =
address space, at the moment, and any business would be foolish to not =
consider approaching their RIR(s) to acquire PIv6 space to number their =
networks to never have to worry about having to renumber (ever).  On the =
other hand, for those sites that may not be fortunate enough to acquire =
PIv6 space and, instead, need PAv6 addresses ... the future is far from =
certain.  However, in my opinion, the following are at least plausible =
in the near future:
a) "Loss" of IPv6 addresses, due to customer's walking, is considered by =
ISP's as an acceptable cost of doing business, i.e.: not worth the costs =
to engage legal counsel to reclaim them;
b) We (the IETF -or- /the market/) figure out less painful multi-homing =
with PAv6 addresses.  The IETF may yet figure this out with something =
like ILNP (Experimental) or something that is developed in HOMENET.  =
OTOH, the market may solve this on its own by adopting ULAv6+NPTv6.

Just my $0.02,

-shane


> --Sandy
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
>=20



From randy@psg.com  Thu Mar 21 07:36:10 2013
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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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aside from sharon, who is at bu, having gotten her degree at princeton,
how did it get in the $subject?

randy, who is not learning anything else new from this rinse repeat

From shane@castlepoint.net  Thu Mar 21 08:20:05 2013
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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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On Mar 21, 2013, at 8:36 AM, Randy Bush <randy@psg.com> wrote:
> randy, who is not learning anything else new from this rinse repeat

So, you're stating that operator input wrt impacts the RPKI will have on =
their networks is not useful to SIDR?  OK, got it.

-shane=


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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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>> randy, who is not learning anything else new from this rinse repeat 
> So, you're stating that operator input wrt impacts the RPKI will have
> on their networks is not useful to SIDR?  OK, got it.

no.  i am saying nobody seems to be saying anything that has not already
been said.

but if you're uninterested in input, i can understand that

randy

From Sandra.Murphy@sparta.com  Thu Mar 21 08:27:46 2013
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From: "Murphy, Sandra" <Sandra.Murphy@sparta.com>
To: Shane Amante <shane@castlepoint.net>, Randy Bush <randy@psg.com>
Thread-Topic: [sidr] Princeton University:: Impacting IP Address Reachability	via RPKI Manipulations
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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability	via RPKI Manipulations
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=0A=
>> randy, who is not learning anything else new from this rinse repeat=0A=
=0A=
>So, you're stating that operator input wrt impacts the RPKI will have on t=
heir networks is not useful to =0A=
>SIDR?  OK, got it.=0A=
=0A=
Randy said "nothing new", not "nothing".=0A=
=0A=
--Sandy, speaking as regular ol' member.=

From christopher.morrow@gmail.com  Thu Mar 21 08:27:47 2013
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Subject: Re: [sidr] comments on the repository analysis I-D
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On Thu, Mar 21, 2013 at 6:09 AM, Oleg Muravskiy <oleg@ripe.net> wrote:
> Hi Christopher,
>
> Christopher Morrow wrote:
>> Comment 1 (also related with 44): I agree that ISPs may operate caches in behalf end-users ASNs, but also I think that more than 1
>> cache may be operated by a single ISP. Imagine a global ASN operator with routers in several places. Are they going to have just
>> one master cache? Or are they have one or two (backup), and just in one location? Considering this, even the 40k clients may be
>> low as worse case IMHO.
>> oops, so... we need to be clear in terminology here there are at least:
>>   o publication points - places/machines AS Operators would make their
>> authoritative information available to the world.
>
> In our analysis we associate number of CAs in the global RPKI with the number of distinct IP resource holders.
>

sure, and as a proxy for that 'AS Operator', it's not a 1:1
correlation to be sure but it should be reasonably close, no?

> You seem to associate publication points (that directly relate to CAs) with AS Operators.
> Since it's a second place where publication points are associated with AS Operators (another is the "RPKI rsync Download Delay
> Modeling" presentation), I wonder if I miss something?

most likely you are not... I think I jump to 'CA == REPO ==
AS-Operator == ASN allocated' because lacking any direct data
otherwise it seems like a good estimation of numbers. Essentially each
ASN allocated is going to be a repository that needs to be gathered,
right? If there are 10% more repositories due to EndSite allocations
without an ASN also allocated to them I think it's still in the
ballpark to say "number of Repos == ASN allocation number".

I could be wrong.

From randy@psg.com  Thu Mar 21 08:43:52 2013
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>> In our analysis we associate number of CAs in the global RPKI with
>> the number of distinct IP resource holders.
> sure, and as a proxy for that 'AS Operator', it's not a 1:1
> correlation to be sure but it should be reasonably close, no?

do we have anything other than conjecture on which to base estimations
of the numbers of CAs or repositories?

> I jump to 'CA == REPO == AS-Operator == ASN allocated' because lacking
> any direct data otherwise it seems like a good estimation of numbers.

great example of conjecture.  do you have any fact/measurement-based
idea of how many CAs or repositories there might be five or ten years
from now?  the only data i have is the small number of IRR repositories
and whois servers.  and i suspect/hope that is a poor estimator.

but i very strongly doubt that any significant portion of the stub ASs,
84% of the ASs, will run CAs.

randy

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On Thu, Mar 21, 2013 at 11:43 AM, Randy Bush <randy@psg.com> wrote:
>>> In our analysis we associate number of CAs in the global RPKI with
>>> the number of distinct IP resource holders.
>> sure, and as a proxy for that 'AS Operator', it's not a 1:1
>> correlation to be sure but it should be reasonably close, no?
>
> do we have anything other than conjecture on which to base estimations
> of the numbers of CAs or repositories?

no, since there aren't any CA's in existence... we have, or I have, a
model that says:
  "If you want to publish a ROA, you need to have a CA and you need to
run a publication point"

To me that means at the least every ASN will have a publication point
(and this a roa and a CA).

>> I jump to 'CA == REPO == AS-Operator == ASN allocated' because lacking
>> any direct data otherwise it seems like a good estimation of numbers.
>
> great example of conjecture.  do you have any fact/measurement-based
> idea of how many CAs or repositories there might be five or ten years
> from now?  the only data i have is the small number of IRR repositories
> and whois servers.  and i suspect/hope that is a poor estimator.

I really don't know how to estimate ASIDE from saying: "it seems
reasonable that the repo number will track with assigned ASN"

I could be wrong, I could also be corrected if someone else has a
compelling story... I don't think it's harmful to say "tracks to ASN
numbers" though, if it's too large a number we can be surprised by
performance... if it's too small, we can also be surprised :)

> but i very strongly doubt that any significant portion of the stub ASs,
> 84% of the ASs, will run CAs.

they may not.
they may use a hosted-model product.
I suspect that very soon after 'hosted model' comes into being in the
large, the operators of these systems will realize that if someone
dislikes one of their customers they can't survive as a business if
all other customers also disappear. They will be forced to run the
system with unique names/ips for each customer (names at a minimum so
they can shift problem children away).

So, in the above case... CA == ASN == REPO

-chris

From joelja@bogus.com  Thu Mar 21 09:46:14 2013
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Subject: Re: [sidr] DDoS mitigation example (was: RE: comments on the repository analysis I-D)
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On 3/20/13 7:57 PM, Danny McPherson wrote:
> On Mar 20, 2013, at 7:23 PM, "Sriram, Kotikalapudi" <kotikalapudi.sriram@nist.gov> wrote:
>
>> The DDoS mitigation example was discussed before.
>> It appeared there was a reasonable solution.
>> Please see this post:
>> http://www.ietf.org/mail-archive/web/sidr/current/msg05605.html
> Might work for Joel, not me...
That's entirely possible. I was only filtering through my experience as 
one customer.
> -danny
> _______________________________________________
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From sharon.goldbe@gmail.com  Thu Mar 21 09:48:52 2013
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From: Sharon Goldberg <goldbe@cs.bu.edu>
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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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Thanks for the interest in our work. We wanted to clarify a few points:

-- We have a technical report, which contains motivation and details
that the slide deck does not. See
http://www.cs.bu.edu/~goldbe/papers/RPKImanip.pdf

-- As we point out in the paper (and as John Curran, Carlos, and
others have noted here) a missing ROA will not necessarily make the
target unreachable. That depends on the policy at relying parties. We
discuss this in Section 3 of the report.  For example, if a route for
a prefix becomes invalid due to a missing/invalid ROA, and if everyone
uses a "drop invalid" policy, that prefix would become unreachable.
However, with other policies (e.g. depref invalid) the prefix may
still be reachable.

-- Per John Curran and others' points, we want to emphasize that a
missing ROA can make a route either unknown or invalid. That depends
on whether there is another ROA for a covering prefix and a different
AS (see http://tools.ietf.org/html/rfc6483#section-2).

-- We show that it is possible to revoke a ROA surreptitiously,
through methods other than (the obvious) revocation lists. See Section
2.2.1 of the report.

-- We show that targeted revocation can be accomplished by entities
other than a ROA's issuer, some of which may control many ROAs. The
means by which this is accomplished often looks similar to
grandparenting. See Sections 2.2.2, 2.2.3, and 2.3 of the report.

-- We agree with the observation that watching the RPKI repositories
for changes/anomalies is a good first to step to mitigating the impact
of manipulations.  We are working on such a system right now.

More comments are welcome.

Sharon, Leo, Danny, Ethan, and Kyle
(At Boston University, not Princeton!)

-- 
Sharon Goldberg
Computer Science, Boston University
http://www.cs.bu.edu/~goldbe

From randy@psg.com  Thu Mar 21 10:55:10 2013
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> I have, a model that says:
>  "If you want to publish a ROA, you need to have a CA and you need to
>run a publication point"
>land this a roa and a CA).
Wherever did you get that?   what is the ratio of hosted LIRs to delegated today?
-- 
phone email, so sucky

From jcurran@istaff.org  Thu Mar 21 12:27:44 2013
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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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On Mar 21, 2013, at 12:48 PM, Sharon Goldberg <goldbe@cs.bu.edu> wrote:

> Thanks for the interest in our work. We wanted to clarify a few points:
> 
> -- We have a technical report, which contains motivation and details
> that the slide deck does not. See
> http://www.cs.bu.edu/~goldbe/papers/RPKImanip.pdf

Sharon - 
 
  Thanks for the pointer to the paper - it appears to be a far more 
  complete treatment of the topic than the summary slide deck.

/John


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On Thu, Mar 21, 2013 at 1:55 PM, Randy Bush <randy@psg.com> wrote:
>> I have, a model that says:
>>  "If you want to publish a ROA, you need to have a CA and you need to
>>run a publication point"
>>land this a roa and a CA).
>
> Wherever did you get that?

I figured in the worst case you'd end up with 1:1... I don't think
it'll be much worse than 1:1, it could be better, of course.

> what is the ratio of hosted LIRs to delegated today?

not sure... I believe that hosted == delegated though in the long run,
from the perspective of what ip/name you have to connect to in order
to access the data stored in the repositories.

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On 2013-03-21 10:45, joel jaeggli wrote:

>> Might work for Joel, not me...
> That's entirely possible. I was only filtering through my experience
> as one customer.

Yep, I concur, hence my comment :-)

We have _lots of customers with varying requirements and capabilities, 
not that that's in scope of SIDR.

-danny


From kent@bbn.com  Thu Mar 21 13:11:23 2013
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Subject: Re: [sidr] comments on the repository analysis I-D
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Chris,

> ...most likely you are not... I think I jump to 'CA == REPO ==
> AS-Operator == ASN allocated' because lacking any direct data
> otherwise it seems like a good estimation of numbers. Essentially each
> ASN allocated is going to be a repository that needs to be gathered,
> right? If there are 10% more repositories due to EndSite allocations
> without an ASN also allocated to them I think it's still in the
> ballpark to say "number of Repos == ASN allocation number".
>
> I could be wrong.
>
So far the 1,300+ folks who have signed up for managed CA services have also
let the RIRs manage their pub points, which dramatically reduces the
number of repositories. That could change over time, e.g., if these
folks become unhappy with the repository management, but for now I think
it is reasonable to assume a much smaller number of repositories, which
is what Sriram and I did in our model.



From kent@bbn.com  Thu Mar 21 13:15:13 2013
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Subject: Re: [sidr] comments on the repository analysis I-D
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Chris,

> On Thu, Mar 21, 2013 at 11:43 AM, Randy Bush <randy@psg.com> wrote:
>>>> In our analysis we associate number of CAs in the global RPKI with
>>>> the number of distinct IP resource holders.
>>> sure, and as a proxy for that 'AS Operator', it's not a 1:1
>>> correlation to be sure but it should be reasonably close, no?
>> do we have anything other than conjecture on which to base estimations
>> of the numbers of CAs or repositories?
> no, since there aren't any CA's in existence...
well, there are over 1,300 so far, but almost all are managed CAs.
>   we have, or I have, a
> model that says:
>    "If you want to publish a ROA, you need to have a CA and you need to
> run a publication point"
still true, even for managed CAs.
> To me that means at the least every ASN will have a publication point
> (and this a roa and a CA).
it's a ROA, a manifest, a CRL, maybe a GB record, and a CA cert in the 
parent's pub point.
>
>>> I jump to 'CA == REPO == AS-Operator == ASN allocated' because lacking
>>> any direct data otherwise it seems like a good estimation of numbers.
>> great example of conjecture.  do you have any fact/measurement-based
>> idea of how many CAs or repositories there might be five or ten years
>> from now?  the only data i have is the small number of IRR repositories
>> and whois servers.  and i suspect/hope that is a poor estimator.
> I really don't know how to estimate ASIDE from saying: "it seems
> reasonable that the repo number will track with assigned ASN"
see my earlier comment re this possible equivalency.
> I could be wrong, I could also be corrected if someone else has a
> compelling story... I don't think it's harmful to say "tracks to ASN
> numbers" though, if it's too large a number we can be surprised by
> performance... if it's too small, we can also be surprised :)
>
>> but i very strongly doubt that any significant portion of the stub ASs,
>> 84% of the ASs, will run CAs.
> they may not.
> they may use a hosted-model product.
but even in the "hosted model" each of these fokks is represented by
a CA and a pub point. I think the only issue is whether each is a separate
repository.
> I suspect that very soon after 'hosted model' comes into being in the
> large, the operators of these systems will realize that if someone
> dislikes one of their customers they can't survive as a business if
> all other customers also disappear. They will be forced to run the
> system with unique names/ips for each customer (names at a minimum so
> they can shift problem children away).
>
> So, in the above case... CA == ASN == REPO
>
I don't understand that last argument. Can you expand on it?

Thanks,

Steve

From morrowc@ops-netman.net  Thu Mar 21 13:29:26 2013
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On 03/21/2013 04:11 PM, Stephen Kent wrote:
> Chris,
> 
>> ...most likely you are not... I think I jump to 'CA == REPO ==
>> AS-Operator == ASN allocated' because lacking any direct data
>> otherwise it seems like a good estimation of numbers. Essentially each
>> ASN allocated is going to be a repository that needs to be gathered,
>> right? If there are 10% more repositories due to EndSite allocations
>> without an ASN also allocated to them I think it's still in the
>> ballpark to say "number of Repos == ASN allocation number".
>>
>> I could be wrong.
>>
> So far the 1,300+ folks who have signed up for managed CA services have
> also
> let the RIRs manage their pub points, which dramatically reduces the
> number of repositories. That could change over time, e.g., if these

TODAY it reduces the number, yes. 100% agree.
TOMORROW the number of repositories, even those which are 'hosted' will
be split up by name and/or ip-address...

I have a feeling these will be like DNS servers and likely ripe (ha!)
points for attack by bad folks. So sharing fate for all customers just
seems like a bad idea.

> folks become unhappy with the repository management, but for now I think
> it is reasonable to assume a much smaller number of repositories, which
> is what Sriram and I did in our model.

yup. but having the ability to increase the number of repositories in
the model means we can say: "today with N repositories and M objects we
see times of Y. Tomorrow when we have X repositories with Y objects we
should see times of Z"

-chris

From danny@tcb.net  Thu Mar 21 13:42:17 2013
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Subject: Re: [sidr] comments on the repository analysis I-D
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On 2013-03-21 14:29, Chris Morrow wrote:

> TODAY it reduces the number, yes. 100% agree.
> TOMORROW the number of repositories, even those which are 'hosted' 
> will
> be split up by name and/or ip-address...
>
> I have a feeling these will be like DNS servers and likely ripe (ha!)
> points for attack by bad folks. So sharing fate for all customers 
> just
> seems like a bad idea.
>
>> folks become unhappy with the repository management, but for now I 
>> think
>> it is reasonable to assume a much smaller number of repositories, 
>> which
>> is what Sriram and I did in our model.
>
> yup. but having the ability to increase the number of repositories in
> the model means we can say: "today with N repositories and M objects 
> we
> see times of Y. Tomorrow when we have X repositories with Y objects 
> we
> should see times of Z"

Agreed.

Additionally, this perspective may well change when things like BGPSEC 
router keys need to be published and then ingested by operational 
routers for update signing, as the trust model is fairly different, 
methinks.

Even the "84%'r" morons (i.e., all those stub ASes) might recognize 
this as a threat to their operational autonomy.

fail open,

-danny



From morrowc@ops-netman.net  Thu Mar 21 13:46:57 2013
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On 03/21/2013 04:15 PM, Stephen Kent wrote:
> Chris,
> 
>> On Thu, Mar 21, 2013 at 11:43 AM, Randy Bush <randy@psg.com> wrote:
>>>>> In our analysis we associate number of CAs in the global RPKI with
>>>>> the number of distinct IP resource holders.
>>>> sure, and as a proxy for that 'AS Operator', it's not a 1:1
>>>> correlation to be sure but it should be reasonably close, no?
>>> do we have anything other than conjecture on which to base estimations
>>> of the numbers of CAs or repositories?
>> no, since there aren't any CA's in existence...
> well, there are over 1,300 so far, but almost all are managed CAs.
>>   we have, or I have, a
>> model that says:
>>    "If you want to publish a ROA, you need to have a CA and you need to
>> run a publication point"
>
> still true, even for managed CAs.
>
>> To me that means at the least every ASN will have a publication point
>> (and this a roa and a CA).
>
> it's a ROA, a manifest, a CRL, maybe a GB record, and a CA cert in the
> parent's pub point.

sure, I abbreviated the list.

>>
>>>> I jump to 'CA == REPO == AS-Operator == ASN allocated' because lacking
>>>> any direct data otherwise it seems like a good estimation of numbers.
>>> great example of conjecture.  do you have any fact/measurement-based
>>> idea of how many CAs or repositories there might be five or ten years
>>> from now?  the only data i have is the small number of IRR repositories
>>> and whois servers.  and i suspect/hope that is a poor estimator.
>> I really don't know how to estimate ASIDE from saying: "it seems
>> reasonable that the repo number will track with assigned ASN"
>
> see my earlier comment re this possible equivalency.
>
>> I could be wrong, I could also be corrected if someone else has a
>> compelling story... I don't think it's harmful to say "tracks to ASN
>> numbers" though, if it's too large a number we can be surprised by
>> performance... if it's too small, we can also be surprised :)
>>
>>> but i very strongly doubt that any significant portion of the stub ASs,
>>> 84% of the ASs, will run CAs.
>> they may not.
>> they may use a hosted-model product.
>
> but even in the "hosted model" each of these folks is represented by
> a CA and a pub point. I think the only issue is whether each is a separate
> repository.

correct. one contiguous repo is a great target ... once or twice that'll
work, then the repository operator will split all customers into
separate names at the least that she can steer to infrastructure in case
of a problem.

>
>> I suspect that very soon after 'hosted model' comes into being in the
>> large, the operators of these systems will realize that if someone
>> dislikes one of their customers they can't survive as a business if
>> all other customers also disappear. They will be forced to run the
>> system with unique names/ips for each customer (names at a minimum so
>> they can shift problem children away).
>>
>> So, in the above case... CA == ASN == REPO
>>
>
> I don't understand that last argument. Can you expand on it?

Today, if you look at:
  dig NS ly
  ly.cctld.authdns.ripe.net. is one of the servers listed...

  ripe sets up a separate name/ip for each CC they serve. This gives
them the flexibility to move one victim off to a dedicated server(s) in
the case of really bad problems.

I suspect that the hosted repository model will evolve to this over time.
-chris

From christopher.morrow@gmail.com  Thu Mar 21 13:59:52 2013
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On Thu, Mar 21, 2013 at 4:42 PM, Danny McPherson <danny@tcb.net> wrote:
> On 2013-03-21 14:29, Chris Morrow wrote:
>
>> TODAY it reduces the number, yes. 100% agree.
>> TOMORROW the number of repositories, even those which are 'hosted' will
>> be split up by name and/or ip-address...
>>
>> I have a feeling these will be like DNS servers and likely ripe (ha!)
>> points for attack by bad folks. So sharing fate for all customers just
>> seems like a bad idea.
>>
>>> folks become unhappy with the repository management, but for now I think
>>> it is reasonable to assume a much smaller number of repositories, which
>>> is what Sriram and I did in our model.
>>
>>
>> yup. but having the ability to increase the number of repositories in
>> the model means we can say: "today with N repositories and M objects we
>> see times of Y. Tomorrow when we have X repositories with Y objects we
>> should see times of Z"
>
>
> Agreed.
>
> Additionally, this perspective may well change when things like BGPSEC
> router keys need to be published and then ingested by operational routers
> for update signing, as the trust model is fairly different, methinks.

so, to me, this is just 'more objects with a tight(er) timeframe on
delivery' right?

meaning: today you have (for sake of the conversation) relatively
static content in the repository, where data changes 1/2/3
objects/day, and it's important to get the data distributed, but
(again, for the conversation) 24hrs is 'fine' as a timeline between:
"publish object" and "rendered onto the router".

but: tomorrow if you followed (for the sake of the conversation)
Sriram's model of 'roll router keys hourly to ensure ttls on routes'
(loosely paraphrased and with times I don't even think he put into his
slides/discussions), you'd be talking about #-of-routers * 24 objects
changing every day, and with a timescale for: "publish" to "render" on
the order of 1hr. (likely less than 1hr, something closer to 5-10
minutes has been discussed previously).

right?

-chris

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Chris,
> ...
>
> TODAY it reduces the number, yes. 100% agree.
> TOMORROW the number of repositories, even those which are 'hosted' will
> be split up by name and/or ip-address...
I think the operative term is "might" vs. "will."
> I have a feeling these will be like DNS servers and likely ripe (ha!)
> points for attack by bad folks. So sharing fate for all customers just
> seems like a bad idea.
A single repository need not translate into a single instance of the files
associated with that repository, right?
>> folks become unhappy with the repository management, but for now I think
>> it is reasonable to assume a much smaller number of repositories, which
>> is what Sriram and I did in our model.
> yup. but having the ability to increase the number of repositories in
> the model means we can say: "today with N repositories and M objects we
> see times of Y. Tomorrow when we have X repositories with Y objects we
> should see times of Z"
yes, it is reasonable to incorporate knobs into models to allow
folks to explore their favorite scenarios.

Steve


From morrowc@ops-netman.net  Thu Mar 21 14:24:19 2013
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Subject: Re: [sidr] comments on the repository analysis I-D
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On 03/21/2013 05:14 PM, Stephen Kent wrote:
> Chris,
>> ...
>>
>> TODAY it reduces the number, yes. 100% agree.
>> TOMORROW the number of repositories, even those which are 'hosted' will
>> be split up by name and/or ip-address...
>
> I think the operative term is "might" vs. "will."

sure, I'm just looking at what's happened in other things that look like
this. I could be wrong.

>
>> I have a feeling these will be like DNS servers and likely ripe (ha!)
>> points for attack by bad folks. So sharing fate for all customers just
>> seems like a bad idea.
>
> A single repository need not translate into a single instance of the files
> associated with that repository, right?
>

it's a single hostname/ip-address-set right?
  rsync://repository.arin.net/

I think we'll see, for example:
  rsync://customer1.repository.arin.net/

hostnames are free, ip-addresses (for a registry) are free :)
having all your customers down because someone dislikes visa.com (who
chose to use the hosted repository model) is ... unsatisfactory (and
likely expensive)

>>> folks become unhappy with the repository management, but for now I think
>>> it is reasonable to assume a much smaller number of repositories, which
>>> is what Sriram and I did in our model.
>> yup. but having the ability to increase the number of repositories in
>> the model means we can say: "today with N repositories and M objects we
>> see times of Y. Tomorrow when we have X repositories with Y objects we
>> should see times of Z"
>
> yes, it is reasonable to incorporate knobs into models to allow
> folks to explore their favorite scenarios.

cool. thanks!

From danny@tcb.net  Thu Mar 21 14:42:47 2013
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Subject: Re: [sidr] comments on the repository analysis I-D
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> so, to me, this is just 'more objects with a tight(er) timeframe on
> delivery' right?
>
> meaning: today you have (for sake of the conversation) relatively
> static content in the repository, where data changes 1/2/3
> objects/day, and it's important to get the data distributed, but
> (again, for the conversation) 24hrs is 'fine' as a timeline between:
> "publish object" and "rendered onto the router".
>
> but: tomorrow if you followed (for the sake of the conversation)
> Sriram's model of 'roll router keys hourly to ensure ttls on routes'
> (loosely paraphrased and with times I don't even think he put into 
> his
> slides/discussions), you'd be talking about #-of-routers * 24 objects
> changing every day, and with a timescale for: "publish" to "render" 
> on
> the order of 1hr. (likely less than 1hr, something closer to 5-10
> minutes has been discussed previously).
>
> right?

Yeah, I think so under steady state.

It gets more interesting when the RIR is attacked and I can't reach 
them, or I have a failure of a control card or systems where I cache 
them locally, or something to that effect.

AND I have to know when *everyone* else in the system picks them up and 
pushes them out to their routers in preparation for validation so that I 
know when it's safe to starting signing with them, etc..

-danny


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On Thu, Mar 21, 2013 at 5:42 PM, Danny McPherson <danny@tcb.net> wrote:
>
>> so, to me, this is just 'more objects with a tight(er) timeframe on
>> delivery' right?
>>
>> meaning: today you have (for sake of the conversation) relatively
>> static content in the repository, where data changes 1/2/3
>> objects/day, and it's important to get the data distributed, but
>> (again, for the conversation) 24hrs is 'fine' as a timeline between:
>> "publish object" and "rendered onto the router".
>>
>> but: tomorrow if you followed (for the sake of the conversation)
>> Sriram's model of 'roll router keys hourly to ensure ttls on routes'
>> (loosely paraphrased and with times I don't even think he put into his
>> slides/discussions), you'd be talking about #-of-routers * 24 objects
>> changing every day, and with a timescale for: "publish" to "render" on
>> the order of 1hr. (likely less than 1hr, something closer to 5-10
>> minutes has been discussed previously).
>>
>> right?
>
>
> Yeah, I think so under steady state.
>
> It gets more interesting when the RIR is attacked and I can't reach them, or
> I have a failure of a control card or systems where I cache them locally, or
> something to that effect.
>
> AND I have to know when *everyone* else in the system picks them up and
> pushes them out to their routers in preparation for validation so that I
> know when it's safe to starting signing with them, etc..

true, but the repository conversation stops at: "all gatherers in the
system have the data"

inside each ASN it's really up to the ASN operator to get from
gatherer -> cache -> router in a 'timely fashion'.

From danny@tcb.net  Thu Mar 21 19:30:42 2013
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Subject: Re: [sidr] comments on the repository analysis I-D
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> true, but the repository conversation stops at: "all gatherers in the
> system have the data"
>
> inside each ASN it's really up to the ASN operator to get from
> gatherer -> cache -> router in a 'timely fashion'.

If you're signing a route with something, and your upstreams are 
signing their secure path elements of that route with something, and my 
routers haven't been provisioned (from data obtained from the RPKI) to 
validate with the corresponding public versions of those somethings (for 
whatever reason - e.g., latency in fetching, DoS, failure, etc..), then 
this *tight coupling* between the public key repositories (i.e., RPKI) 
will result in my router as a relying party not having the information 
it need to validate those signed somethings, and I therefore "downgrade" 
or break for that route.

You not knowing when I have the information to validate something 
because I may not have fetched it from the RPKI yet (or ingested it in 
my routers yet, for whatever reason) means you can't send a route with 
the new signatures because it will fail validation, thereby causing a 
downgrade attack or something to break for the route.

This "looseness" about an expanding array of validation states and 
acceptable downgrade attacks in BGPSEC because the RPKI may not be 
available, or local systems may be operating on stale data, continues to 
give me pause given the overhead we're introducing and the expanding set 
of residual vulnerabilities some are willing to accept.

-danny


From randy@psg.com  Thu Mar 21 21:27:44 2013
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>> So far the 1,300+ folks who have signed up for managed CA services
>> have also let the RIRs manage their pub points, which dramatically
>> reduces the number of repositories. That could change over time,
>> e.g., if these

this is measurement

> TODAY it reduces the number, yes. 100% agree.
> TOMORROW the number of repositories, even those which are 'hosted'
> will be split up by name and/or ip-address...

this is pure conjecture.  can we please reduce the ratio of the latter
to the former?

randy

From morrowc@ops-netman.net  Thu Mar 21 21:32:41 2013
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On 03/22/2013 12:27 AM, Randy Bush wrote:
>>> So far the 1,300+ folks who have signed up for managed CA services
>>> have also let the RIRs manage their pub points, which dramatically
>>> reduces the number of repositories. That could change over time,
>>> e.g., if these
> 
> this is measurement
> 
>> TODAY it reduces the number, yes. 100% agree.
>> TOMORROW the number of repositories, even those which are 'hosted'
>> will be split up by name and/or ip-address...
> 
> this is pure conjecture.  can we please reduce the ratio of the latter
> to the former?

sure thing.
how do you propose we measure how large the number of CA/Repositories is
going to be in 1yr? 5 yrs? 10 yrs?

-chris

From randy@psg.com  Thu Mar 21 22:50:03 2013
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> how do you propose we measure how large the number of CA/Repositories is
> going to be in 1yr? 5 yrs? 10 yrs?

we can not measure the future until it gets here.  the best we can do is
estimate it based on the present and past.

i could conject that ten years from now we will have one repository run
by itu-i.  i could conject that ten years from now we have one
repository per announced prefix.  all pure bs.

randy

From morrowc@ops-netman.net  Fri Mar 22 06:55:24 2013
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On 03/22/2013 01:50 AM, Randy Bush wrote:
>> how do you propose we measure how large the number of CA/Repositories is
>> going to be in 1yr? 5 yrs? 10 yrs?
> 
> we can not measure the future until it gets here.  the best we can do is
> estimate it based on the present and past.

which was what I was doing, actually.

> i could conject that ten years from now we will have one repository run
> by itu-i.  i could conject that ten years from now we have one
> repository per announced prefix.  all pure bs.

sure. but again, past experience points to the hosted model eventually
looking like distinct repositories per customer, which looks like
'number of repositories == number of ASN allocated'.

-chris

From randy@psg.com  Fri Mar 22 06:57:37 2013
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> past experience points to the hosted model eventually looking like
> distinct repositories per customer, which looks like 'number of
> repositories == number of ASN allocated'.

actual experience is five large hosted repositories.

randy

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On Mar 20, 2013, at 7:32 PM, Arturo Servin <arturo.servin@gmail.com> =
wrote:

>=20
>=20
> On 20/03/2013 20:00, Borchert, Oliver wrote:

<snip>

>> But what does the alert tell me?=20
>> What if one is multi homed, uses two ROAs then switches to be single =
homed and revokes the second ROA. In this case the owner revoked the ROA =
and this is not an attack - here the alert is not of help at all!
>>=20
>> Oliver
>=20
> 	That is the problem. It is almost impossible to know when a ROA =
is
> revoked legally or by accident/attack. This would only be a mechanism =
to
> alert when something changes, then you to decide as operator what to =
do.
> But most probably you will end up ignoring all the alerts unless there
> is a big fuss about it.

I think this thread brings up a very important (but subtle point).  =
Knowing that i) a ROA exists, but is not present is different than ii) a =
ROA that has been removed by a resource holder, and _that_ is different =
than iii) the grand-parenting issue=85 (though that could be a vector to =
effect case i), above)=85 For example:
i) An adversary intercepts a TCP session and selectively removes =
branches of a repo (including some ROAs) during an rsync session so that =
attestation is affected=85  Yes, yes, I know the crypto makes this =
apparent, but that's at the cache-level=85 The RP just knows that there =
ain't no ROA there...
ii) (As mentioned above), resource holder changes their peering=85
iii) A resource holder surgically takes a descendant's allocations away=85=


I think it is very important (as I think Doug M alluded to) that there =
be an understanding and some expressiveness around these corner cases.  =
If something is there, if something is validated, if something is not =
there, if something is missing (i.e. _should_ be there, but isn't) are =
all different.  With an understanding of these sorts of things, =
operators might be able to find policy knobs that they can use, and with =
_that_ maybe we can get some informed requirements=85  Well, ideally, =
anyway=85 ;)

Eric=

From eosterweil@verisign.com  Fri Mar 22 08:08:15 2013
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Subject: Re: [sidr] comments on the repository analysis I-D
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On Mar 22, 2013, at 9:57 AM, Randy Bush <randy@psg.com> wrote:

>> past experience points to the hosted model eventually looking like
>> distinct repositories per customer, which looks like 'number of
>> repositories =3D=3D number of ASN allocated'.
>=20
> actual experience is five large hosted repositories.

Randy, sound _engineering_ is predicated (in large part) on evaluation =
and reducing risks.  Using predictive models (especially those based on =
sound reasonable or observable assumptions) to estimate unknowns is =
pretty common, among conscientious engineers (and scientists, fwiw).  =
This is particularly true during the early phases of design work and =
requirements analysis (the latter of which, I think we are still =
missing?).  It seems to me that Chris is practicing very advisable =
prudence.  Conversely, the ready-fire-aim approach is=85 well, an odd =
position to be advocating here=85

I'd suggest that if you don't like Chris' model, you propose one that =
you have more faith in.  I (for one) would greatly appreciate seeing =
your insights in that regard.

Eric=

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On Mar 22, 2013, at 9:08 AM, "Osterweil, Eric" <eosterweil@verisign.com> =
wrote:
> On Mar 22, 2013, at 9:57 AM, Randy Bush <randy@psg.com> wrote:
>=20
>>> past experience points to the hosted model eventually looking like
>>> distinct repositories per customer, which looks like 'number of
>>> repositories =3D=3D number of ASN allocated'.
>>=20
>> actual experience is five large hosted repositories.
>=20
> Randy, sound _engineering_ is predicated (in large part) on evaluation =
and reducing risks.  Using predictive models (especially those based on =
sound reasonable or observable assumptions) to estimate unknowns is =
pretty common, among conscientious engineers (and scientists, fwiw).  =
This is particularly true during the early phases of design work and =
requirements analysis (the latter of which, I think we are still =
missing?).  It seems to me that Chris is practicing very advisable =
prudence.  Conversely, the ready-fire-aim approach is=85 well, an odd =
position to be advocating here=85
>=20
> I'd suggest that if you don't like Chris' model, you propose one that =
you have more faith in.  I (for one) would greatly appreciate seeing =
your insights in that regard.

To add to Eric's excellent points above.  _Capacity_Planning_ of =
networks, (which we've done since the dawn of time), depends on =
observations of historical utilization of physical/logical paths across =
the network.  However, historical utilization does not tell you the =
whole story, due to (as just one example) [very] large, but *pending* =
(i.e.: not turned up) customer wins.  In that case, we apply sound =
engineering to /forecast/ and then input that forecast into __models__ =
to determine what will be the growth of the network and then =
plan/execute augments appropriately.  In some circumstances, these =
exercises are performed over much longer time-scales, particularly when =
the operator is facing the need to actually build and/or move physical =
infrastructure to accommodate for the predicted growth, (i.e.: build new =
facilities, move from old to new facilities, lay new conduit/cable, =
etc.).  In any of these exercises, sometimes you are "surprised" by the =
results, (typically costs), and need to explore alternatives ... =
exploration of those alternatives is part of trying to 'reduce risks', =
as Eric points out.

So, +1 to "sound engineering" comment, above.

-shane=


From wwwrun@rfc-editor.org  Fri Mar 22 10:12:32 2013
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Subject: [sidr] RFC 6907 on Use Cases and Interpretations of Resource Public Key Infrastructure (RPKI) Objects for Issuers and Relying Parties
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A new Request for Comments is now available in online RFC libraries.

        
        RFC 6907

        Title:      Use Cases and Interpretations of 
                    Resource Public Key Infrastructure (RPKI) Objects 
                    for Issuers and Relying Parties 
        Author:     T. Manderson, K. Sriram, R. White
        Status:     Informational
        Stream:     IETF
        Date:       March 2013
        Mailbox:    terry.manderson@icann.org, 
                    ksriram@nist.gov, 
                    russ@riw.us
        Pages:      31
        Characters: 66099
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-sidr-usecases-06.txt

        URL:        http://www.rfc-editor.org/rfc/rfc6907.txt

This document describes a number of use cases together with
directions and interpretations for organizations and relying parties
when creating or encountering Resource Public Key Infrastructure
(RPKI) object scenarios in the public RPKI.  All of these items are
discussed here in relation to the Internet routing system.

This document is a product of the Secure Inter-Domain Routing Working Group of the IETF.


INFORMATIONAL: This memo provides information for the Internet community.
It does not specify an Internet standard of any kind. Distribution of
this memo is unlimited.

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unlimited distribution.


The RFC Editor Team
Association Management Solutions, LLC



From danny@tcb.net  Fri Mar 22 11:52:54 2013
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Subject: Re: [sidr] comments on the repository analysis I-D
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On 2013-03-21 23:50, Randy Bush wrote:

> i could conject that ten years from now we will have one repository 
> run
> by itu-i.

Assuming you meant ITU-T, that option isn't looking nearly as bad as it 
did a few years ago, at least I'll know what it takes to get operational 
requirements considered there.

I think the disconnect emerging is the dichotomy between those who have 
to operate, sustain, and rely on this infrastructure, and the "running 
code and run away" school of thought.  I'd have thought the latter would 
have matured at this stage - Fortunately, at least all the RIRs 
recognize the seriousness and implications...

-danny


From oleg@ripe.net  Fri Mar 22 17:50:48 2013
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Christopher Morrow wrote:
>
> On Thu, Mar 21, 2013 at 6:09 AM, Oleg Muravskiy <oleg@ripe.net> wrote:
>>
>> Hi Christopher,
>> Christopher Morrow wrote:
>>>
>>> Comment 1 (also related with 44): I agree that ISPs may operate caches in behalf end-users ASNs, but also I think that more than
>>> 1 cache may be operated by a single ISP. Imagine a global ASN operator with routers in several places. Are they going to have
>>> just one master cache? Or are they have one or two (backup), and just in one location? Considering this, even the 40k clients
>>> may be low as worse case IMHO. oops, so... we need to be clear in terminology here there are at least: o publication points -
>>> places/machines AS Operators would make their authoritative information available to the world.
>>
>> In our analysis we associate number of CAs in the global RPKI with the number of distinct IP resource holders.
>
> sure, and as a proxy for that 'AS Operator', it's not a 1:1 correlation to be sure but it should be reasonably close, no?

Well, I don't see why resource holders should correlate to AS operators. Maybe... But see below.

>> You seem to associate publication points (that directly relate to CAs) with AS Operators. Since it's a second place where
>> publication points are associated with AS Operators (another is the "RPKI rsync Download Delay Modeling" presentation), I wonder
>> if I miss something?
>
> most likely you are not... I think I jump to 'CA == REPO == AS-Operator == ASN allocated' because lacking any direct data
> otherwise it seems like a good estimation of numbers. Essentially each ASN allocated is going to be a repository that needs to be
> gathered, right? If there are 10% more repositories due to EndSite allocations without an ASN also allocated to them I think it's
> still in the ballpark to say "number of Repos == ASN allocation number". I could be wrong. 

Ok, then I'll continue with mine line of thinking.
>From the RIR stats files that RIRs publish daily we could get the numbers of distinct resource holders. They are:

AFRINIC  1310
APNIC    7957
ARIN    35380
LACNIC   4278

For the RIPE NCC you could not get this data from stats files, and the exact number is difficult to get because of our model of
provider-independent end users. But in our registry I could count that it is at least 28912.
That brings the total to77837.

Now, these are only the first level resource holders under RIRs. They all *must* have their own CAs in order to participate in RPKI.
However, many of these first-level resource holders are NIRs or LIRs, who distribute resources further down to their clients. They
could choose to manage their clients' RPKI objects within their single CA, but could also give their clients  own certificates,
creating next level of CA hierarchy. I find it difficult to estimate how many LIRs will do this, and for how many of their clients.
But for RIPE NCC I could see that the number of organisation objects in RIPE DB is 70746, and that should be the upper bound of the
number of CAs in our region. I don't have that number for other regions, and don't know if it's applicable in the same way,
especially where NIRs are present.

Hope that's clear and helps.


-- 
Oleg Muravskiy
RIPE NCC

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    <tt><big><big> </big></big></tt><br>
    <tt><big><big> </big></big></tt>
    <div class="moz-cite-prefix"><tt><big><big>Christopher Morrow wrote:<br>
          </big></big></tt></div>
    <tt><big><big> </big></big></tt>
    <blockquote
cite="mid:CAL9jLabUXJmX4ENDhgfaE-asaW_tnuxBPSiybuE_O6eEe0HXZg@mail.gmail.com"
      type="cite"><tt><big><big> </big></big></tt><br>
      <big><big>On Thu, Mar 21, 2013 at 6:09 AM, Oleg Muravskiy <a
            class="moz-txt-link-rfc2396E" href="mailto:oleg@ripe.net">&lt;oleg@ripe.net&gt;</a>
          wrote:
        </big></big><br>
      <tt><big><big> </big></big></tt>
      <blockquote type="cite"><tt><big><big> </big></big></tt><br>
        <big><big>Hi Christopher,</big></big></blockquote>
    </blockquote>
    <blockquote
cite="mid:CAL9jLabUXJmX4ENDhgfaE-asaW_tnuxBPSiybuE_O6eEe0HXZg@mail.gmail.com"
      type="cite">
      <blockquote type="cite"><big><big>Christopher Morrow wrote:
          </big></big><br>
        <tt><big><big> </big></big></tt>
        <blockquote type="cite"><tt><big><big> </big></big></tt><br>
          <big><big>Comment 1 (also related with 44): I agree that ISPs
              may operate caches in behalf end-users ASNs, but also I
              think that more than 1
              cache may be operated by a single ISP. Imagine a global
              ASN operator with routers in several places. Are they
              going to have just
              one master cache? Or are they have one or two (backup),
              and just in one location? Considering this, even the 40k
              clients may be
              low as worse case IMHO.
              oops, so... we need to be clear in terminology here there
              are at least: o publication points - places/machines AS
              Operators would make their
              authoritative information available to the world.
            </big></big><br>
          <tt><big><big> </big></big></tt></blockquote>
        <tt><big><big> </big></big></tt><br>
        <big><big>In our analysis we associate number of CAs in the
            global RPKI with the number of distinct IP resource holders.
          </big></big><br>
        <tt><big><big> </big></big></tt></blockquote>
      <tt><big><big> </big></big></tt><br>
      <big><big>sure, and as a proxy for that 'AS Operator', it's not a
          1:1
          correlation to be sure but it should be reasonably close, no?</big></big><br>
      <tt><big><big> </big></big></tt></blockquote>
    <tt><big><big> </big></big></tt><br>
    <tt><big><big> Well, I don't see why resource holders should
          correlate to AS operators. Maybe... But see below.</big></big></tt><br>
    <tt><big><big> </big></big></tt><br>
    <tt><big><big> </big></big></tt>
    <blockquote
cite="mid:CAL9jLabUXJmX4ENDhgfaE-asaW_tnuxBPSiybuE_O6eEe0HXZg@mail.gmail.com"
      type="cite"><tt><big><big> </big></big></tt>
      <blockquote type="cite"><tt><big><big> </big></big></tt><big><big>You
            seem to associate publication points (that directly relate
            to CAs) with AS Operators.
            Since it's a second place where publication points are
            associated with AS Operators (another is the "RPKI rsync
            Download Delay
            Modeling" presentation), I wonder if I miss something?
          </big></big><br>
        <tt><big><big> </big></big></tt></blockquote>
      <tt><big><big> </big></big></tt><br>
      <big><big>most likely you are not... I think I jump to 'CA == REPO
          ==
          AS-Operator == ASN allocated' because lacking any direct data
          otherwise it seems like a good estimation of numbers.</big></big>
      <big><big>Essentially each
          ASN allocated is going to be a repository that needs to be
          gathered,
          right? If there are 10% more repositories due to EndSite
          allocations
          without an ASN also allocated to them I think it's still in
          the
          ballpark to say "number of Repos == ASN allocation number".
          I could be wrong. </big></big><tt><big><big> </big></big></tt></blockquote>
    <tt><big><big> </big></big></tt><br>
    <tt><big><big> Ok, then I'll continue with mine line of thinking.</big></big></tt><br>
    <tt><big><big> From the RIR stats files that RIRs publish daily we
          could get the numbers of distinct resource holders. They are:</big></big></tt><br>
    <tt><big><big> </big></big></tt><br>
    <big><big><tt><big><big> </big></big></tt><tt>AFRINICÂ  1310</tt><tt><br>
        </tt><tt>APNIC Â Â  7957</tt><tt><br>
          ARIN</tt><tt> Â Â Â  35380</tt><tt><br>
        </tt><tt>LACNIC Â  4278</tt><tt><br>
        </tt><tt><br>
          For the RIPE NCC you could not get this data from stats files,
          and the exact number is difficult to get because of our model
          of provider-independent end users. But in our registry I could
          count that it is at least 28912.<br>
          That brings the total to</tt><tt> 77837</tt><tt>.<br>
          <br>
          Now, these are only the first level resource holders under
          RIRs. They all *must* have their own CAs in order to
          participate in RPKI. However, many of these first-level
          resource holders are NIRs or LIRs, who distribute resources
          further down </tt><tt>to their clients. They could choose to
          manage their clients' RPKI objects within their single CA, but
          could also give their clientsÂ  own certificates, creating next
          level of CA hierarchy. I find it difficult to estimate how
          many LIRs will do this, and for how many of their clients. But
          for RIPE NCC I could see that the number of organisation
          objects in RIPE DB is 70746, and that should be the upper
          bound of the number of CAs in our region. I don't have that
          number for other regions, and don't know if it's applicable in
          the same way, especially where NIRs are present.</tt><br>
        <tt><br>
        </tt><tt>Hope that's clear and helps.</tt><tt><br>
        </tt><tt><br>
        </tt><tt><br>
        </tt><tt><big><big> </big></big></tt></big></big>
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		<!-- 
		BODY,DIV,TABLE,THEAD,TBODY,TFOOT,TR,TH,TD,P { font-family:"Arial"; font-size:x-sma</style><tt><big><big>--
          <br>
          Oleg Muravskiy<br>
          RIPE NCC</big></big></tt><br>
    <tt><big><big> </big></big></tt>
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Randy Bush wrote:
>> I have, a model that says:
>>  "If you want to publish a ROA, you need to have a CA and you need to
>> run a publication point"
>> land this a roa and a CA).
> Wherever did you get that?   what is the ratio of hosted LIRs to delegated today?

Although in a hosted model it's possible to run just one CA and one publication point for all hosted clients, in practice no one
from RIRs is doing that.
In our hosted system we have 1370 CAs, and each CA has it's own publication point, although they all appear to be in the same rsync
tree.

If the number of CAs is used to estimate the size of a global RPKI repository (number of objects), then the distinction between
hosted and delegated model doesn't matter. It matters if you want to estimate the number of different repositories to query. But I
don't know what to do with that number afterwards.

-- 
Oleg Muravskiy
RIPE NCC


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    <div class="moz-cite-prefix">Randy Bush wrote:<br>
    </div>
    <blockquote
      cite="mid:489fe43c-ec45-4bba-86e4-b8a39df1e731@email.android.com"
      type="cite">
      <blockquote type="cite">
        <pre wrap="">I have, a model that says:
 "If you want to publish a ROA, you need to have a CA and you need to
run a publication point"
land this a roa and a CA).
</pre>
      </blockquote>
      <pre wrap="">Wherever did you get that?   what is the ratio of hosted LIRs to delegated today?
</pre>
    </blockquote>
    <br>
    Although in a hosted model it's possible to run just one CA and one
    publication point for all hosted clients, in practice no one from
    RIRs is doing that.<br>
    In our hosted system we have 1370 CAs, and each CA has it's own
    publication point, although they all appear to be in the same rsync
    tree.<br>
    <br>
    If the number of CAs is used to estimate the size of a global RPKI
    repository (number of objects), then the distinction between hosted
    and delegated model doesn't matter. It matters if you want to
    estimate the number of different repositories to query. But I don't
    know what to do with that number afterwards.<br>
    <br>
    <pre class="moz-signature" cols="132">-- 
Oleg Muravskiy
RIPE NCC</pre>
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(holy giant text batman!)

On Fri, Mar 22, 2013 at 8:50 PM, Oleg Muravskiy <oleg@ripe.net> wrote:
>
> Christopher Morrow wrote:
>
>
> On Thu, Mar 21, 2013 at 6:09 AM, Oleg Muravskiy <oleg@ripe.net> wrote:
>
>
> Hi Christopher,
>
> Christopher Morrow wrote:
>
>
> Comment 1 (also related with 44): I agree that ISPs may operate caches in
> behalf end-users ASNs, but also I think that more than 1 cache may be
> operated by a single ISP. Imagine a global ASN operator with routers in
> several places. Are they going to have just one master cache? Or are they
> have one or two (backup), and just in one location? Considering this, even
> the 40k clients may be low as worse case IMHO. oops, so... we need to be
> clear in terminology here there are at least: o publication points -
> places/machines AS Operators would make their authoritative information
> available to the world.
>
>
> In our analysis we associate number of CAs in the global RPKI with the
> number of distinct IP resource holders.
>
>
> sure, and as a proxy for that 'AS Operator', it's not a 1:1 correlation to
> be sure but it should be reasonably close, no?
>
>
> Well, I don't see why resource holders should correlate to AS operators.
> Maybe... But see below.
>

ah! I made you look :)

>
> You seem to associate publication points (that directly relate to CAs) with
> AS Operators. Since it's a second place where publication points are
> associated with AS Operators (another is the "RPKI rsync Download Delay
> Modeling" presentation), I wonder if I miss something?
>
>
> most likely you are not... I think I jump to 'CA == REPO == AS-Operator ==
> ASN allocated' because lacking any direct data otherwise it seems like a
> good estimation of numbers. Essentially each ASN allocated is going to be a
> repository that needs to be gathered, right? If there are 10% more
> repositories due to EndSite allocations without an ASN also allocated to
> them I think it's still in the ballpark to say "number of Repos == ASN
> allocation number". I could be wrong.
>
>
> Ok, then I'll continue with mine line of thinking.
> From the RIR stats files that RIRs publish daily we could get the numbers of
> distinct resource holders. They are:
>
> AFRINIC  1310
> APNIC    7957
> ARIN     35380
> LACNIC   4278
>
> For the RIPE NCC you could not get this data from stats files, and the exact
> number is difficult to get because of our model of provider-independent end
> users. But in our registry I could count that it is at least 28912.
> That brings the total to 77837.
>
> Now, these are only the first level resource holders under RIRs. They all
> *must* have their own CAs in order to participate in RPKI. However, many of
> these first-level resource holders are NIRs or LIRs, who distribute
> resources further down to their clients. They could choose to manage their
> clients' RPKI objects within their single CA, but could also give their
> clients  own certificates, creating next level of CA hierarchy. I find it
> difficult to estimate how many LIRs will do this, and for how many of their
> clients. But for RIPE NCC I could see that the number of organisation
> objects in RIPE DB is 70746, and that should be the upper bound of the

cool! so already the number of repositories could be north of 100k
(given the other 5 regions)... 'could be'. In the end I think it'd be
nice of the models (some of them at least) had the ability to see
'what if 5 repos? what if 500? 500,000?' which I think is what Capitan
Kent got to in his last mail.... "yes, it's a parameter we can
twiddle".

Some of the more real-world measurement, which Admiral Bush is after,
is indeed harder to do this with (I think), but knowing behaviour of
the current system should help to extrapolate I would think.

> number of CAs in our region. I don't have that number for other regions, and
> don't know if it's applicable in the same way, especially where NIRs are
> present.
>
> Hope that's clear and helps.
>

yes! thanks.

-chris

> --
> Oleg Muravskiy
> RIPE NCC
>
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
>

From christopher.morrow@gmail.com  Fri Mar 22 19:40:17 2013
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On Fri, Mar 22, 2013 at 9:33 PM, Oleg Muravskiy <oleg@ripe.net> wrote:
>
> Randy Bush wrote:
>
> I have, a model that says:
>  "If you want to publish a ROA, you need to have a CA and you need to
> run a publication point"
> land this a roa and a CA).
>
> Wherever did you get that?   what is the ratio of hosted LIRs to delegated
> today?
>
>
> Although in a hosted model it's possible to run just one CA and one
> publication point for all hosted clients, in practice no one from RIRs is
> doing that.
> In our hosted system we have 1370 CAs, and each CA has it's own publication
> point, although they all appear to be in the same rsync tree.

so, this leads to some confusion, but does make the repository one
monolithic item to kill/sync-from. It's convenient, right up until
it's not :( I'm not sure when that point will arrive, but ...

> If the number of CAs is used to estimate the size of a global RPKI
> repository (number of objects), then the distinction between hosted and
> delegated model doesn't matter. It matters if you want to estimate the
> number of different repositories to query. But I don't know what to do with
> that number afterwards.

I hope that the next step after that estimate is: "real world testing
shows pulling a repository/update-set takes X seconds, as we get
larger in the number of repositories, we need to keep that in mind"

-chris

From randy@psg.com  Fri Mar 22 21:06:28 2013
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> Although in a hosted model it's possible to run just one CA and one
> publication point for all hosted clients

yucchhy

> in practice no one from RIRs is doing that.

thank you

> If the number of CAs is used to estimate the size of a global RPKI
> repository (number of objects), then the distinction between hosted
> and delegated model doesn't matter. It matters if you want to estimate
> the number of different repositories to query.

as you know, performance of the current transport, rsync, is most
dependent on the number of repositories, not publication points or
objects.

> But I don't know what to do with that number afterwards.

multiply by a million and post your estimate on the sidr list as a
realistic prediction?  :)

randy

From arturo.servin@gmail.com  Sat Mar 23 07:38:38 2013
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Subject: Re: [sidr] comments on the repository analysis I-D
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On 3/22/13 11:40 PM, Christopher Morrow wrote:
> On Fri, Mar 22, 2013 at 9:33 PM, Oleg Muravskiy <oleg@ripe.net> wrote:

<snip> hoping not to cut important parts

>>
>> Although in a hosted model it's possible to run just one CA and one
>> publication point for all hosted clients, in practice no one from RIRs is
>> doing that.
>> In our hosted system we have 1370 CAs, and each CA has it's own publication
>> point, although they all appear to be in the same rsync tree.
> 
> so, this leads to some confusion, but does make the repository one
> monolithic item to kill/sync-from. It's convenient, right up until
> it's not :( I'm not sure when that point will arrive, but ...
> 

	I liked what you proposed in [1]

	ca-1234ab.repository.ur-rir.net
	ca-1235bb.repository.ur-rir.net

	This would help to move a problematic CA out of the monolithic repo.
However, this would make a cache to create multiple rsync sessions to
retrieve objects and lowering its performance (according to Rob's
measurements with RIPE NCC repo). Isn't it?

[1] http://www.ietf.org/mail-archive/web/sidr/current/msg05835.html

/as

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On Mar 23, 2013, at 12:06 AM, Randy Bush <randy@psg.com> wrote:

<snip>

>> If the number of CAs is used to estimate the size of a global RPKI
>> repository (number of objects), then the distinction between hosted
>> and delegated model doesn't matter. It matters if you want to =
estimate
>> the number of different repositories to query.
>=20
> as you know, performance of the current transport, rsync, is most
> dependent on the number of repositories, not publication points or
> objects.

Actually, our numbers from RPKI Spider and one of the presentations (not =
ours) at the last sidr wg showed that rsync scaling depends both on the =
size of the repo and the number of objects...

>=20
>> But I don't know what to do with that number afterwards.
>=20
> multiply by a million and post your estimate on the sidr list as a
> realistic prediction?  :)

Yup, that has been something some people have been advocating:
	http://www.ietf.org/mail-archive/web/sidr/current/msg05351.html
	``i would assume a million''

Eric=

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On Mar 23, 2013, at 10:38 AM, Arturo Servin <arturo.servin@gmail.com> =
wrote:

<snip>

> 	This would help to move a problematic CA out of the monolithic =
repo.
> However, this would make a cache to create multiple rsync sessions to
> retrieve objects and lowering its performance (according to Rob's
> measurements with RIPE NCC repo). Isn't it?

Just to make a general observation: I'm a little worried that this is a =
case of the tail wagging the dog=85  The issue that Chris seems to be =
raising (at least, to me) is one of scale and resilience=85 It seems to =
me that our efforts to optimize _rsync's_ performance at all costs is =
starting to require us to relax our security and stability concerns.  At =
a high level, I think that actually points to rsync as a suboptimal =
component.  Regardless of the transport used, Chris' comments seem sound =
to me, and I haven't seem too many comments that rebuff his general =
concerns.  The fact that rsync doesn't fit well into the model of =
securing repositories while still making them lively enough for caches =
is worrisome to me.  I would think that it ought to suggest something =
other than relaxing our security and stability concerns=85  Just my =
0.02=85

Eric=

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> During the first SIDR session I commented that I agree with the need
> to explore new paradigms for distributing RPKI repository data, but
> that i was very disappointed with the analysis being used to motivate
> the exploration.

the ripe crew have looked at server load issues.  we've got client
measurements going back to day one, and every cache displays continuous
and historical performance measurements.  

tim, oleg, bryan, rob, i, and others have and continue to explore
protocols other than rsync.

as we have all said before, no one thinks rsync is gonna scale forever.
but it's scaling well enough for the near term (see actual measurements
by all rpki.net caches, emulation reports, etc).  and it looks as if we
have plenty of time to do a next gen effort carefully.

there seems to be a good bunch of actual measurers/designers/implementors.
they seem to be too busy to post a dozen messages a day to the list.  this
is a feature, not a bug.

randy

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...
>
> If the number of CAs is used to estimate the size of a global RPKI 
> repository (number of objects), then the distinction between hosted 
> and delegated model doesn't matter. It matters if you want to estimate 
> the number of different repositories to query. But I don't know what 
> to do with that number afterwards.
>
> -- 
> Oleg Muravskiy
> RIPE NCC
Oleg,

The time it takes for an RP to acquire all updated/new objects is a 
function of both
the number of objects and the number of repositories, as illustrated by 
the measurements
that Rob, Andrew et al. have posted, and reflected in the models that 
have been developed.
That's why the projected number of repositories (in the future) has 
become a contentious
topic.

Steve

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...
> Ok, then I'll continue with mine line of thinking.
> From the RIR stats files that RIRs publish daily we could get the 
> numbers of distinct resource holders. They are:
>
> AFRINIC  1310
> APNIC    7957
> ARIN    35380
> LACNIC   4278
What is the definition of a "distinct resource holder?" Does this 
correspond to an account with the RIR, or is there some other definition?
> Now, these are only the first level resource holders under RIRs. They 
> all *must* have their own CAs in order to participate in RPKI. 
> However, many of these first-level resource holders are NIRs 
Many are NIRs? There are no many NIRs in the world, and today the ones 
in APNIC (the region with the most NIRs) act as RAs, not CAs. So it's 
not clear that one should be counting them.
> or LIRs, who distribute resources further down to their clients. They 
> could choose to manage their clients' RPKI objects within their single 
> CA, but could also give their clients  own certificates, creating next 
> level of CA hierarchy.
The distinction you cite here is not quite correct. Even if an LIR 
manages RPKI objects for folks to whom that have sub-allocated 
resources, each of those folks is represented by a CA. The question is 
who runs that CA, and whether the CA's pub point lives in a different 
repository.
> I find it difficult to estimate how many LIRs will do this, and for 
> how many of their clients. But for RIPE NCC I could see that the 
> number of organisation objects in RIPE DB is 70746, and that should be 
> the upper bound of the number of CAs in our region. I don't have that 
> number for other regions, and don't know if it's applicable in the 
> same way, especially where NIRs are present.
>
NIRs are probably not relevant in this counting approach.

Steve

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    ...<tt><big><big></big></big></tt><br>
    <blockquote cite="mid:514CFC5F.3090401@ripe.net" type="cite"> <tt><big><big>
            <small>Ok, then I'll continue with mine line of thinking.</small></big></big></tt><small><br>
        <tt><big><big> From the RIR stats files that RIRs publish daily
              we could get the numbers of distinct resource holders.
              They are:</big></big></tt><br>
        <tt><big><big> </big></big></tt><br>
      </small><big><tt><big><big> </big></big></tt><tt>AFRINIC&nbsp; 1310</tt><tt><br>
        </tt><tt>APNIC &nbsp;&nbsp; 7957</tt><tt><br>
          ARIN</tt><tt> &nbsp;&nbsp;&nbsp; 35380</tt><tt><br>
        </tt><tt>LACNIC &nbsp; 4278</tt><tt><br>
        </tt></big></blockquote>
    <big><tt>What is the definition o<small>f </small></tt><small>a
        "distinct resource holder?" Does this correspond to an account
        with the RIR, or is there some other definition?</small></big><small><small>
      </small><br>
    </small>
    <blockquote cite="mid:514CFC5F.3090401@ripe.net" type="cite"><big><tt>
        </tt><tt>Now, these are only the first level resource holders
          under RIRs. They all *must* have their own CAs in order to
          participate in RPKI. However, many of these first-level
          resource holders are NIRs </tt></big></blockquote>
    <big><tt>Many are NIRs? There are no many NIRs in the world, and
        today the ones in APNIC (the region with the most NIRs) act as
        RAs, not CAs. So it's not clear that one should be counting
        them.<br>
      </tt></big>
    <blockquote cite="mid:514CFC5F.3090401@ripe.net" type="cite"><big><tt>or
          LIRs, who distribute resources further down </tt><tt>to their
          clients. They could choose to manage their clients' RPKI
          objects within their single CA, but could also give their
          clients&nbsp; own certificates, creating next level of CA
          hierarchy.</tt></big></blockquote>
    <big><tt>The distinction you cite here is not quite correct. Even if
        an LIR manages RPKI objects for folks to whom that have
        sub-allocated resources, each of those folks is represented by a
        CA. The question is who runs that CA, and whether the CA's pub
        point lives in a different repository.<br>
      </tt></big>
    <blockquote cite="mid:514CFC5F.3090401@ripe.net" type="cite"><big><big><small><tt>
              I find it difficult to estimate how many LIRs will do
              this, and for how many of their clients. But for RIPE NCC
              I could see that the number of organisation objects in
              RIPE DB is 70746, and that should be the upper bound of
              the number of CAs in our region. I don't have that number
              for other regions, and don't know if it's applicable in
              the same way, especially where NIRs are present.</tt></small><br>
        </big></big><br>
    </blockquote>
    <tt>NIRs are probably not relevant in this counting approach.<br>
      <br>
      Steve<br>
    </tt>
  </body>
</html>

--------------030300010205040403080209--

From oleg@ripe.net  Mon Mar 25 08:14:36 2013
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Hi Stephen,

Stephen Kent wrote:
> ...
>> Ok, then I'll continue with mine line of thinking.
>> From the RIR stats files that RIRs publish daily we could get the numbers of distinct resource holders. They are:
>>
>> AFRINIC  1310
>> APNIC    7957
>> ARIN    35380
>> LACNIC   4278
> What is the definition of a "distinct resource holder?" Does this correspond to an account with the RIR, or is there some other
> definition?
>> Now, these are only the first level resource holders under RIRs. They all *must* have their own CAs in order to participate in
>> RPKI. However, many of these first-level resource holders are NIRs 
> Many are NIRs?

No. You broke the line in the wrong place. I meant "many (NIRs or LIRs)".

> There are no many NIRs in the world, and today the ones in APNIC (the region with the most NIRs) act as RAs, not CAs. So it's not
> clear that one should be counting them.
>> or LIRs, who distribute resources further down to their clients. They could choose to manage their clients' RPKI objects within
>> their single CA, but could also give their clients  own certificates, creating next level of CA hierarchy.
> The distinction you cite here is not quite correct. Even if an LIR manages RPKI objects for folks to whom that have sub-allocated
> resources, each of those folks is represented by a CA.

Not necessarily. The LIR could create a ROA for client's assignment, using LIR's allocation certificate.
I'm not saying they should do it like this, but they could. And I have a feeling that might become a common case.
But I think LIRs could say for themselves. For example, how many their clients maintain Whois objects themselves, and for how many
LIRs doing it?

> The question is who runs that CA, and whether the CA's pub point lives in a different repository.
>> I find it difficult to estimate how many LIRs will do this, and for how many of their clients. But for RIPE NCC I could see that
>> the number of organisation objects in RIPE DB is 70746, and that should be the upper bound of the number of CAs in our region. I
>> don't have that number for other regions, and don't know if it's applicable in the same way, especially where NIRs are present.
>>
> NIRs are probably not relevant in this counting approach.

My point was that it's quite difficult to estimate the upper bound of possible CAs. NIR or LIR does not matter, I agree.

-- 
Oleg Muravskiy
RIPE NCC


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Subject: Re: [sidr] Princeton University:: Impacting IP Address Reachability via RPKI Manipulations
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Sharon,
> -- We show that it is possible to revoke a ROA surreptitiously,
> through methods other than (the obvious) revocation lists. See Section
> 2.2.1 of the report.
The terminology above is not quite correct, since only one of the five
"methods" results in revocation per se. I suggest using the technical
term "whacking" instead. (You're a Princeton grad, so a NJ-inspired term
of this sort seems appropriate :-.)

Nonetheless, all of the methods for whacking a ROA described in the 
paper are detectable
by anyone who monitors the RPKI. One might argue that each resource 
holder should monitor
his/her RPKI pub point to detect any action that causes one's ROA to 
become unverifiable.
That's a very easy check, to perform. Also, the scenario addressed in 
2.2.1 is specific to
a very narrowly-defined class of resource holders who elected the third 
of three approaches
(not the preferred approach) to participating in the RPKI.
> -- We show that targeted revocation can be accomplished by entities
> other than a ROA's issuer, some of which may control many ROAs. The
> means by which this is accomplished often looks similar to
> grandparenting. See Sections 2.2.2, 2.2.3, and 2.3 of the report.
As above, the actions described in these sections are all easily 
detectable by
the targeted entity. So, the question is what that entity would/could do 
if it
detects this sort of activity by its parent (or grandparent). Unless the 
parent
was compelled to whack a ROA by a LEO, there is likely to be a legal 
remedy that
can be invoked. if a LEO is involved, then the situation is more 
complex, but I've
been working on a memo that describes remedies for that context as well. 
I'll share
it when it's been vetted by some more folks.

Steve


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> Nonetheless, all of the methods for whacking a ROA described in the
> paper are detectable by anyone who monitors the RPKI. One might argue
> that each resource holder should monitor his/her RPKI pub point to
> detect any action that causes one's ROA to become unverifiable.

thanks to shane for whacking me on this general area in taipei.  the
results are in draft-ietf-sidr-origin-ops-20.txt

   Operators should use tools which warn them of any impending ROA or
   certificate expiry which could affect the validity of their own data.
   Ghostbuster Records, see [RFC6493], can be used to facilitate contact
   with upstream CAs to effect repair.

and

   As reliable access to the global RPKI and an operator's caches (and
   possibly other hosts, e.g.  DNS root servers) is important, an
   operator SHOULD take advantage of relying party tools which report
   changes in BGP or RPKI data which would negatively affect validation
   of such prefixes.

> As above, the actions described in these sections are all easily
> detectable by the targeted entity.

suggestions for strengthening the draft appreciated.  terse, steve,
terse :)

randy

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Oleg,
> No. You broke the line in the wrong place. I meant "many (NIRs or LIRs)".
In your text the "many" is distributed over both terms, NIRs and LIRs. 
You should have just omitted NIRs,
since there are not "many" of them .
> Not necessarily. The LIR could create a ROA for client's assignment, 
> using LIR's allocation certificate. I'm not saying they should do it 
> like this, but they could. And I have a feeling that might become a 
> common case. But I think LIRs could say for themselves. For example, 
> how many their clients maintain Whois objects themselves, and for how 
> many LIRs doing it? 
I agree that an LIR could behave the way you indicated, but in so doing 
it needs to track which
other LIRs provide service to the customer in question, in order to 
generate ROAs for each of them. If
it fails to do so, any connections to other LIRs may be ignored, as the 
NLRI in question will be
represented by a valid ROA pointing to another AS#. That might create a 
liability for the LIR. That's why
Section 7.3.2 of RFC 6480 cites this as the least desirable option.

>> The question is who runs that CA, and whether the CA's pub point lives in a different repository.
>>> I find it difficult to estimate how many LIRs will do this, and for how many of their clients. But for RIPE NCC I could see that
>>> the number of organisation objects in RIPE DB is 70746, and that should be the upper bound of the number of CAs in our region. I
>>> don't have that number for other regions, and don't know if it's applicable in the same way, especially where NIRs are present.
>>>
>> NIRs are probably not relevant in this counting approach.
> My point was that it's quite difficult to estimate the upper bound of possible CAs. NIR or LIR does not matter, I agree.
>


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Stephen Kent wrote:
> ...
>> Ok, then I'll continue with mine line of thinking.
>> From the RIR stats files that RIRs publish daily we could get the numbers of distinct resource holders. They are:
>>
>> AFRINIC  1310
>> APNIC    7957
>> ARIN    35380
>> LACNIC   4278
> What is the definition of a "distinct resource holder?" Does this correspond to an account with the RIR, or is there some other
> definition?

I count the number of distinct reg-ids in the RIR statistics files (ftp.<RIR>.net/pub/stats/<RIR>/delegated-<RIR>-extended-latest,
where <RIR> is in {afrinic,apnic,arin,lacnic}). The file format document defines this field as:

    This is an in-series identifier which uniquely identifies a single organisation, an Internet number resource holder. All records
    in the file with the same reg-id are registered to the same resource holder.

 

-- 
Oleg Muravskiy
RIPE NCC


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<html>
  <head>
    <meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
  </head>
  <body bgcolor="#FFFFFF" text="#333333">
    <br>
    <div class="moz-cite-prefix">Stephen Kent wrote:<br>
    </div>
    <blockquote cite="mid:515064E6.7030508@bbn.com" type="cite">
      <meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
      ...<br>
      <blockquote cite="mid:514CFC5F.3090401@ripe.net" type="cite"> <tt><big><big>
              <small>Ok, then I'll continue with mine line of thinking.</small></big></big></tt><small><br>
          <tt><big><big> From the RIR stats files that RIRs publish
                daily we could get the numbers of distinct resource
                holders. They are:</big></big></tt><br>
          <tt><big><big> </big></big></tt><br>
        </small><big><tt><big><big> </big></big></tt><tt>AFRINICÂ  1310</tt><tt><br>
          </tt><tt>APNIC Â Â  7957</tt><tt><br>
            ARIN</tt><tt> Â Â Â  35380</tt><tt><br>
          </tt><tt>LACNIC Â  4278</tt><tt><br>
          </tt></big></blockquote>
      <big><tt>What is the definition o<small>f </small></tt><small>a
          "distinct resource holder?" Does this correspond to an account
          with the RIR, or is there some other definition?</small></big><small><small>
        </small><br>
      </small></blockquote>
    <br>
    I count the number of distinct reg-ids in the RIR statistics files
    (ftp.&lt;RIR&gt;.net/pub/stats/&lt;RIR&gt;/delegated-&lt;RIR&gt;-extended-latest,
    where &lt;RIR&gt; is in {afrinic,apnic,arin,lacnic}). The file
    format document defines this field as:<br>
    <br>
    <blockquote> This is an
      in-series identifier which uniquely identifies a single
      organisation,
      an Internet number resource holder. All records in the file with
      the
      same reg-id are registered to the same resource holder.
      <br>
    </blockquote>
    Â <br>
    <pre class="moz-signature" cols="132">-- 
Oleg Muravskiy
RIPE NCC</pre>
  </body>
</html>

--------------010807080008080301050106--

From randy@psg.com  Tue Mar 26 04:19:15 2013
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> I count the number of distinct reg-ids in the RIR statistics files
> (ftp.<RIR>.net/pub/stats/<RIR>/delegated-<RIR>-extended-latest, where
> <RIR> is in {afrinic,apnic,arin,lacnic}). 

at least for arin, this algorithm produces a result off by a quite large
factor.

randy

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Hi Steve,

Stephen Kent wrote:
> Oleg,
>> No. You broke the line in the wrong place. I meant "many (NIRs or LIRs)".
> In your text the "many" is distributed over both terms, NIRs and LIRs. You should have just omitted NIRs,
> since there are not "many" of them .
>> Not necessarily. The LIR could create a ROA for client's assignment, using LIR's allocation certificate. I'm not saying they
>> should do it like this, but they could. And I have a feeling that might become a common case. But I think LIRs could say for
>> themselves. For example, how many their clients maintain Whois objects themselves, and for how many LIRs doing it? 
> I agree that an LIR could behave the way you indicated, but in so doing it needs to track which
> other LIRs provide service to the customer in question, in order to generate ROAs for each of them. If
> it fails to do so, any connections to other LIRs may be ignored, as the NLRI in question will be
> represented by a valid ROA pointing to another AS#. That might create a liability for the LIR. That's why
> Section 7.3.2 of RFC 6480 cites this as the least desirable option.
If I understand correctly, you refer to multi-homed end-users here.
In our region such users normally receive a provider-independent (PI) address space from RIPE NCC directly, so they will have their
own CA and will have to maintain it.

However, there are also many end-users with provider-aggregatable address space that they received from LIRs. And this is where I
find it quite difficult to continue with estimations, because
- these end-users could still be multi-homed
- or they might need to have own CAs for some other reason
- their LIRs might prefer to give them responsibility for their CA
- or prefer to not give them that responsibility

>From my perspective I do not know any source of data to collect/guess the number of end-users who will need their own CA, or the
number of LIRs who would prefer to delegate CAs to their clients. I think LIRs / operators might know better. This is what I said in
my previous email.

-- 
Oleg Muravskiy
RIPE NCC


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> In our region such users normally receive a provider-independent (PI)
> address space from RIPE NCC directly, so they will have their own CA
> and will have to maintain it.

if PI becomes certifyable, while there will be a CA cert for each, and
EE/ROA etc, at least in the near term, it is likely most will be in the
one repository.  similar PA delegated by LIRs.

randy

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Oleg,

Thanks for clarifying the term.

I defer to others' understanding of the database in question as to 
whether this is a good estimator.

Steve
------
On 3/26/13 6:01 AM, Oleg Muravskiy wrote:
>
> Stephen Kent wrote:
>> ...
>>> Ok, then I'll continue with mine line of thinking.
>>> From the RIR stats files that RIRs publish daily we could get the 
>>> numbers of distinct resource holders. They are:
>>>
>>> AFRINIC 1310
>>> APNIC    7957
>>> ARIN    35380
>>> LACNIC   4278
>> What is the definition of a "distinct resource holder?" Does this 
>> correspond to an account with the RIR, or is there some other definition?
>
> I count the number of distinct reg-ids in the RIR statistics files 
> (ftp.<RIR>.net/pub/stats/<RIR>/delegated-<RIR>-extended-latest, where 
> <RIR> is in {afrinic,apnic,arin,lacnic}). The file format document 
> defines this field as:
>
>     This is an in-series identifier which uniquely identifies a single
>     organisation, an Internet number resource holder. All records in
>     the file with the same reg-id are registered to the same resource
>     holder.
>
>
> -- 
> Oleg Muravskiy
> RIPE NCC


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    Oleg,<br>
    <br>
    Thanks for clarifying the term.<br>
    <br>
    I defer to others' understanding of the database in question as to
    whether this is a good estimator.<br>
    <br>
    Steve<br>
    ------<br>
    <div class="moz-cite-prefix">On 3/26/13 6:01 AM, Oleg Muravskiy
      wrote:<br>
    </div>
    <blockquote cite="mid:51517215.9010602@ripe.net" type="cite">
      <meta content="text/html; charset=ISO-8859-1"
        http-equiv="Content-Type">
      <br>
      <div class="moz-cite-prefix">Stephen Kent wrote:<br>
      </div>
      <blockquote cite="mid:515064E6.7030508@bbn.com" type="cite">
        <meta content="text/html; charset=ISO-8859-1"
          http-equiv="Content-Type">
        ...<br>
        <blockquote cite="mid:514CFC5F.3090401@ripe.net" type="cite"> <tt><big><big>
                <small>Ok, then I'll continue with mine line of
                  thinking.</small></big></big></tt><small><br>
            <tt><big><big> From the RIR stats files that RIRs publish
                  daily we could get the numbers of distinct resource
                  holders. They are:</big></big></tt><br>
            <tt><big><big> </big></big></tt><br>
          </small><big><tt><big><big> </big></big></tt><tt>AFRINIC&nbsp;
              1310</tt><tt><br>
            </tt><tt>APNIC &nbsp;&nbsp; 7957</tt><tt><br>
              ARIN</tt><tt> &nbsp;&nbsp;&nbsp; 35380</tt><tt><br>
            </tt><tt>LACNIC &nbsp; 4278</tt><tt><br>
            </tt></big></blockquote>
        <big><tt>What is the definition o<small>f </small></tt><small>a
            "distinct resource holder?" Does this correspond to an
            account with the RIR, or is there some other definition?</small></big><small><small>
          </small><br>
        </small></blockquote>
      <br>
      I count the number of distinct reg-ids in the RIR statistics files
      (ftp.&lt;RIR&gt;.net/pub/stats/&lt;RIR&gt;/delegated-&lt;RIR&gt;-extended-latest,

      where &lt;RIR&gt; is in {afrinic,apnic,arin,lacnic}). The file
      format document defines this field as:<br>
      <br>
      <blockquote> This is an in-series identifier which uniquely
        identifies a single organisation, an Internet number resource
        holder. All records in the file with the same reg-id are
        registered to the same resource holder. <br>
      </blockquote>
      &nbsp;<br>
      <pre class="moz-signature" cols="132">-- 
Oleg Muravskiy
RIPE NCC</pre>
    </blockquote>
    <br>
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From kent@bbn.com  Tue Mar 26 08:03:43 2013
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Oleg,

> ...
>>   
>> I agree that an LIR could behave the way you indicated, but in so doing it needs to track which
>> other LIRs provide service to the customer in question, in order to generate ROAs for each of them. If
>> it fails to do so, any connections to other LIRs may be ignored, as the NLRI in question will be
>> represented by a valid ROA pointing to another AS#. That might create a liability for the LIR. That's why
>> Section 7.3.2 of RFC 6480 cites this as the least desirable option.
> If I understand correctly, you refer to multi-homed end-users here.
yes, but not PI space holders.
> In our region such users normally receive a provider-independent (PI) address space from RIPE NCC directly, so they will have their
> own CA and will have to maintain it.
I don't know if that is the most common practice, vs. a PA-space user 
moving from being single-homed to
multi-homed. This is what the cited text refers to.
> However, there are also many end-users with provider-aggregatable address space that they received from LIRs. And this is where I
> find it quite difficult to continue with estimations, because
> - these end-users could still be multi-homed
if they are not multi-homed, they are invisible to BGP and thus do not 
need RKI credentials. So, let's
assume that the entities in question are multi-homed, with a PA space 
allocation.
> - or they might need to have own CAs for some other reason
The preferred approach, as noted, is for multi-homed subscribers to be 
represented by a CA.
> - their LIRs might prefer to give them responsibility for their CA
agreed.
> - or prefer to not give them that responsibility
also an option.
> >From my perspective I do not know any source of data to collect/guess the number of end-users who will need their own CA, or the
> number of LIRs who would prefer to delegate CAs to their clients. I think LIRs / operators might know better. This is what I said in
> my previous email.
As best I know, so far we have no LIRs who have gotten this far in the 
RPKI space, so I too look forward
to hearing from those who are considering this next step.

But, irrespective of this detail, isn't it reasonable to use the number 
of (live) ASes as the basis for
the number of pub points (CAs)? To first order, any entity that needs to 
be explicitly represented in the
RPKI is associated with an AS#, whether they are an LIR, a PI space 
holder, or a multi-homed holder
of PA space (from  an LIR).

Steve

From oleg@ripe.net  Tue Mar 26 09:06:04 2013
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Stephen Kent wrote:
> Oleg,
>
>> ...
>>>   I agree that an LIR could behave the way you indicated, but in so doing it needs to track which
>>> other LIRs provide service to the customer in question, in order to generate ROAs for each of them. If
>>> it fails to do so, any connections to other LIRs may be ignored, as the NLRI in question will be
>>> represented by a valid ROA pointing to another AS#. That might create a liability for the LIR. That's why
>>> Section 7.3.2 of RFC 6480 cites this as the least desirable option.
>> If I understand correctly, you refer to multi-homed end-users here.
> yes, but not PI space holders.
>> In our region such users normally receive a provider-independent (PI) address space from RIPE NCC directly, so they will have their
>> own CA and will have to maintain it.
> I don't know if that is the most common practice, vs. a PA-space user moving from being single-homed to
> multi-homed. This is what the cited text refers to.
>> However, there are also many end-users with provider-aggregatable address space that they received from LIRs. And this is where I
>> find it quite difficult to continue with estimations, because
>> - these end-users could still be multi-homed
> if they are not multi-homed, they are invisible to BGP and thus do not need RKI credentials. So, let's
> assume that the entities in question are multi-homed, with a PA space allocation.
>> - or they might need to have own CAs for some other reason
> The preferred approach, as noted, is for multi-homed subscribers to be represented by a CA.
>> - their LIRs might prefer to give them responsibility for their CA
> agreed.
>> - or prefer to not give them that responsibility
> also an option.
>> >From my perspective I do not know any source of data to collect/guess the number of end-users who will need their own CA, or the
>> number of LIRs who would prefer to delegate CAs to their clients. I think LIRs / operators might know better. This is what I said in
>> my previous email.
> As best I know, so far we have no LIRs who have gotten this far in the RPKI space, so I too look forward
> to hearing from those who are considering this next step.
>
> But, irrespective of this detail, isn't it reasonable to use the number of (live) ASes as the basis for
> the number of pub points (CAs)? To first order, any entity that needs to be explicitly represented in the
> RPKI is associated with an AS#, whether they are an LIR, a PI space holder, or a multi-homed holder
> of PA space (from  an LIR).

I don't know. I see that the 1 AS = 1 CA is often referred as reasonable.
But I do not see why an AS operator, using single AS#, cannot serve multiple organisations that got their address space from
somewhere else.
So all these organisations will have CAs, will create ROAs, but would not operate own ASes.

-- 
Oleg Muravskiy
RIPE NCC


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    <br>
    <div class="moz-cite-prefix">Stephen Kent wrote:<br>
    </div>
    <blockquote cite="mid:5151B8CE.3000505@bbn.com" type="cite">Oleg,
      <br>
      <br>
      <blockquote type="cite">...
        <br>
        <blockquote type="cite">Â  I agree that an LIR could behave the
          way you indicated, but in so doing it needs to track which
          <br>
          other LIRs provide service to the customer in question, in
          order to generate ROAs for each of them. If
          <br>
          it fails to do so, any connections to other LIRs may be
          ignored, as the NLRI in question will be
          <br>
          represented by a valid ROA pointing to another AS#. That might
          create a liability for the LIR. That's why
          <br>
          Section 7.3.2 of RFC 6480 cites this as the least desirable
          option.
          <br>
        </blockquote>
        If I understand correctly, you refer to multi-homed end-users
        here.
        <br>
      </blockquote>
      yes, but not PI space holders.
      <br>
      <blockquote type="cite">In our region such users normally receive
        a provider-independent (PI) address space from RIPE NCC
        directly, so they will have their
        <br>
        own CA and will have to maintain it.
        <br>
      </blockquote>
      I don't know if that is the most common practice, vs. a PA-space
      user moving from being single-homed to
      <br>
      multi-homed. This is what the cited text refers to.
      <br>
      <blockquote type="cite">However, there are also many end-users
        with provider-aggregatable address space that they received from
        LIRs. And this is where I
        <br>
        find it quite difficult to continue with estimations, because
        <br>
        - these end-users could still be multi-homed
        <br>
      </blockquote>
      if they are not multi-homed, they are invisible to BGP and thus do
      not need RKI credentials. So, let's
      <br>
      assume that the entities in question are multi-homed, with a PA
      space allocation.
      <br>
      <blockquote type="cite">- or they might need to have own CAs for
        some other reason
        <br>
      </blockquote>
      The preferred approach, as noted, is for multi-homed subscribers
      to be represented by a CA.
      <br>
      <blockquote type="cite">- their LIRs might prefer to give them
        responsibility for their CA
        <br>
      </blockquote>
      agreed.
      <br>
      <blockquote type="cite">- or prefer to not give them that
        responsibility
        <br>
      </blockquote>
      also an option.
      <br>
      <blockquote type="cite">&gt;From my perspective I do not know any
        source of data to collect/guess the number of end-users who will
        need their own CA, or the
        <br>
        number of LIRs who would prefer to delegate CAs to their
        clients. I think LIRs / operators might know better. This is
        what I said in
        <br>
        my previous email.
        <br>
      </blockquote>
      As best I know, so far we have no LIRs who have gotten this far in
      the RPKI space, so I too look forward
      <br>
      to hearing from those who are considering this next step.
      <br>
      <br>
      But, irrespective of this detail, isn't it reasonable to use the
      number of (live) ASes as the basis for
      <br>
      the number of pub points (CAs)? To first order, any entity that
      needs to be explicitly represented in the
      <br>
      RPKI is associated with an AS#, whether they are an LIR, a PI
      space holder, or a multi-homed holder
      <br>
      of PA space (fromÂ  an LIR).
      <br>
    </blockquote>
    <br>
    I don't know. I see that the 1 AS = 1 CA is often referred as
    reasonable.<br>
    But I do not see why an AS operator, using single AS#, cannot serve
    multiple organisations that got their address space from somewhere
    else.<br>
    So all these organisations will have CAs, will create ROAs, but
    would not operate own ASes.<br>
    <br>
    <pre class="moz-signature" cols="132">-- 
Oleg Muravskiy
RIPE NCC</pre>
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Hi Randy,

Randy Bush wrote:
>> I count the number of distinct reg-ids in the RIR statistics files
>> (ftp.<RIR>.net/pub/stats/<RIR>/delegated-<RIR>-extended-latest, where
>> <RIR> is in {afrinic,apnic,arin,lacnic}). 
> at least for arin, this algorithm produces a result off by a quite large
> factor.
>
> randy

I do

$ cut -f8 -d'|' delegated-arin-extended-latest |sort -u|wc -l
35394


-- 
Oleg Muravskiy
RIPE NCC


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    Hi Randy,<br>
    <br>
    <div class="moz-cite-prefix">Randy Bush wrote:<br>
    </div>
    <blockquote cite="mid:m24nfyxvbj.wl%25randy@psg.com" type="cite">
      <blockquote type="cite">
        <pre wrap="">I count the number of distinct reg-ids in the RIR statistics files
(ftp.&lt;RIR&gt;.net/pub/stats/&lt;RIR&gt;/delegated-&lt;RIR&gt;-extended-latest, where
&lt;RIR&gt; is in {afrinic,apnic,arin,lacnic}). 
</pre>
      </blockquote>
      <pre wrap="">
at least for arin, this algorithm produces a result off by a quite large
factor.

randy</pre>
    </blockquote>
    <br>
    I do <br>
    <br>
    $ cut -f8 -d'|' delegated-arin-extended-latest |sort -u|wc -l
    <blockquote cite="mid:m24nfyxvbj.wl%25randy@psg.com" type="cite">
    </blockquote>
    35394<br>
    <br>
    <br>
    <pre class="moz-signature" cols="132">-- 
Oleg Muravskiy
RIPE NCC</pre>
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Oleg,

Glad to see we are converging, a bit.
>> ...
>> But, irrespective of this detail, isn't it reasonable to use the 
>> number of (live) ASes as the basis for
>> the number of pub points (CAs)? To first order, any entity that needs 
>> to be explicitly represented in the
>> RPKI is associated with an AS#, whether they are an LIR, a PI space 
>> holder, or a multi-homed holder
>> of PA space (from  an LIR).
>
> I don't know. I see that the 1 AS = 1 CA is often referred as reasonable.
> But I do not see why an AS operator, using single AS#, cannot serve 
> multiple organisations that got their address space from somewhere else.
> So all these organisations will have CAs, will create ROAs, but would 
> not operate own ASes.
In what sense do you mean "serve" here? Do you mean that the 
organizations in question have, for example,
PI space but no AS#'s, and thus their ROAs all point to the AS# of the 
AS operator? Is that common?

Also, I should amend my comment above, slightly. When we model the 
number of pub points (CAs) we do
add in a factor to account for orgs that have allocations from multiple 
sources, but may be represented
by a single AS#.

Steve

From oleg@ripe.net  Tue Mar 26 09:51:06 2013
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Stephen Kent wrote:
> Oleg,
>
> Glad to see we are converging, a bit.
>>> ...
>>> But, irrespective of this detail, isn't it reasonable to use the number of (live) ASes as the basis for
>>> the number of pub points (CAs)? To first order, any entity that needs to be explicitly represented in the
>>> RPKI is associated with an AS#, whether they are an LIR, a PI space holder, or a multi-homed holder
>>> of PA space (from  an LIR).
>>
>> I don't know. I see that the 1 AS = 1 CA is often referred as reasonable.
>> But I do not see why an AS operator, using single AS#, cannot serve multiple organisations that got their address space from
>> somewhere else.
>> So all these organisations will have CAs, will create ROAs, but would not operate own ASes.
> In what sense do you mean "serve" here? Do you mean that the organizations in question have, for example,
> PI space but no AS#'s, and thus their ROAs all point to the AS# of the AS operator?
Yes
> Is that common?
This is what I don't know. I think we need operators to tell.

I'm not opposed to the 1AS = 1CA idea. It's just that in my mind RPKI associates with IP space holders,  not AS operators, because
this is how we do RPKI on RIR level. And on this level we already have more distinct IP space holders than the number of active AS.
I don't know much about LIR to end user level, maybe the number of CAs there will be insignificant.
>
> Also, I should amend my comment above, slightly. When we model the number of pub points (CAs) we do
> add in a factor to account for orgs that have allocations from multiple sources, but may be represented
> by a single AS#.
>
> Steve
>

-- 
Oleg Muravskiy
RIPE NCC


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    <br>
    <div class="moz-cite-prefix">Stephen Kent wrote:<br>
    </div>
    <blockquote cite="mid:5151CC02.20200@bbn.com" type="cite">Oleg, <br>
      <br>
      Glad to see we are converging, a bit. <br>
      <blockquote type="cite">
        <blockquote type="cite">... <br>
          But, irrespective of this detail, isn't it reasonable to use
          the number of (live) ASes as the basis for <br>
          the number of pub points (CAs)? To first order, any entity
          that needs to be explicitly represented in the <br>
          RPKI is associated with an AS#, whether they are an LIR, a PI
          space holder, or a multi-homed holder <br>
          of PA space (fromÂ  an LIR). <br>
        </blockquote>
        <br>
        I don't know. I see that the 1 AS = 1 CA is often referred as
        reasonable. <br>
        But I do not see why an AS operator, using single AS#, cannot
        serve multiple organisations that got their address space from
        somewhere else. <br>
        So all these organisations will have CAs, will create ROAs, but
        would not operate own ASes. <br>
      </blockquote>
      In what sense do you mean "serve" here? Do you mean that the
      organizations in question have, for example, <br>
      PI space but no AS#'s, and thus their ROAs all point to the AS# of
      the AS operator?</blockquote>
    Yes<br>
    <blockquote cite="mid:5151CC02.20200@bbn.com" type="cite">Is that
      common? <br>
    </blockquote>
    This is what I don't know. I think we need operators to tell.<br>
    <br>
    I'm not opposed to the 1AS = 1CA idea. It's just that in my mind
    RPKI associates with IP space holders,Â  not AS operators, because
    this is how we do RPKI on RIR level. And on this level we already
    have more distinct IP space holders than the number of active AS. I
    don't know much about LIR to end user level, maybe the number of CAs
    there will be insignificant.<br>
    <blockquote cite="mid:5151CC02.20200@bbn.com" type="cite"> <br>
      Also, I should amend my comment above, slightly. When we model the
      number of pub points (CAs) we do <br>
      add in a factor to account for orgs that have allocations from
      multiple sources, but may be represented <br>
      by a single AS#. <br>
      <br>
      Steve <br>
      <br>
    </blockquote>
    <br>
    <pre class="moz-signature" cols="132">-- 
Oleg Muravskiy
RIPE NCC</pre>
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Adding to what Oleg mentions in LACNIC we also equal a user of the RPKI
system with a legitimate resource holder. It doesn't matter for us
whether the user (resource holder) has an AS or not.

In practice, we have quite a few resource holders with no AS, although
no one of them has yet created ROAs.

regards,

~Carlos


On 3/26/13 1:51 PM, Oleg Muravskiy wrote:
> 
> Stephen Kent wrote:
>> Oleg,
>>
>> Glad to see we are converging, a bit.
>>>> ...
>>>> But, irrespective of this detail, isn't it reasonable to use the
>>>> number of (live) ASes as the basis for
>>>> the number of pub points (CAs)? To first order, any entity that
>>>> needs to be explicitly represented in the
>>>> RPKI is associated with an AS#, whether they are an LIR, a PI space
>>>> holder, or a multi-homed holder
>>>> of PA space (from  an LIR).
>>>
>>> I don't know. I see that the 1 AS = 1 CA is often referred as
>>> reasonable.
>>> But I do not see why an AS operator, using single AS#, cannot serve
>>> multiple organisations that got their address space from somewhere else.
>>> So all these organisations will have CAs, will create ROAs, but would
>>> not operate own ASes.
>> In what sense do you mean "serve" here? Do you mean that the
>> organizations in question have, for example,
>> PI space but no AS#'s, and thus their ROAs all point to the AS# of the
>> AS operator?
> Yes
>> Is that common?
> This is what I don't know. I think we need operators to tell.
> 
> I'm not opposed to the 1AS = 1CA idea. It's just that in my mind RPKI
> associates with IP space holders,  not AS operators, because this is how
> we do RPKI on RIR level. And on this level we already have more distinct
> IP space holders than the number of active AS. I don't know much about
> LIR to end user level, maybe the number of CAs there will be insignificant.
>>
>> Also, I should amend my comment above, slightly. When we model the
>> number of pub points (CAs) we do
>> add in a factor to account for orgs that have allocations from
>> multiple sources, but may be represented
>> by a single AS#.
>>
>> Steve
>>
> 
> -- 
> Oleg Muravskiy
> RIPE NCC
> 
> 
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 

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From: Stephen Kent <kent@bbn.com>
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To: Oleg Muravskiy <oleg@ripe.net>, sidr <sidr@ietf.org>
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Subject: Re: [sidr] comments on the repository analysis I-D
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Oleg,
> ...
>
> I'm not opposed to the 1AS = 1CA idea. It's just that in my mind RPKI 
> associates with IP space holders,  not AS operators, because this is 
> how we do RPKI on RIR level. And on this level we already have more 
> distinct IP space holders than the number of active AS. I don't know 
> much about LIR to end user level, maybe the number of CAs there will 
> be insignificant.
The RPKI is about who holds both sets of resources: addresses and AS#s. 
So, yes, as an RIR issuing certs
for address space, the focus is on address space holders. When we 
discuss using AS#'s to estimate the
number of CAs it is just because that seems like a reasonable estimator, 
not because it is the basis
for the management of address space.

I am curious, though. When RIPE acts as a CA on behalf of 1300+ entities 
with address space, have you
included the AS#s in the CA certs you issued, when the address space 
holders have AS#'s from RIPE?

Steve



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To: sidr@ietf.org, "Carlos M. Martinez" <carlos@lacnic.net>
References: <51423B3E.6030804@bbn.com> <514725B4.6050707@gmail.com> <CAL9jLab3VPnHYpFTZy+=qD1JO26Nv4GOju8qPLGdaSZFifA+JA@mail.gmail.com> <514ADC58.5080803@ripe.net> <CAL9jLabUXJmX4ENDhgfaE-asaW_tnuxBPSiybuE_O6eEe0HXZg@mail.gmail.com> <514CFC5F.3090401@ripe.net> <515064E6.7030508@bbn.com> <515069D5.5040403@ripe.net> <51509B2E.2070108@bbn.com> <51518C9C.8040602@ripe.net> <5151B8CE.3000505@bbn.com> <5151C763.5060403@ripe.net> <5151CC02.20200@bbn.com> <5151D1F4.30307@ripe.net> <5151DFDB.6000504@gmail.com>
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Subject: Re: [sidr] comments on the repository analysis I-D
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Carlos,
> Adding to what Oleg mentions in LACNIC we also equal a user of the RPKI
> system with a legitimate resource holder. It doesn't matter for us
> whether the user (resource holder) has an AS or not.
If the address space holder has an AS# allocated by LACNIC, then that 
AS# belongs in the
cert you issue to that entity.
> In practice, we have quite a few resource holders with no AS, although
> no one of them has yet created ROAs.
Do you mean to say that these address space holders do not have ASes, or 
that
they do not have ASes allocated through LACNIC?

Steve

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Subject: Re: [sidr] comments on the repository analysis I-D
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Hi Steve,

On 3/26/13 3:12 PM, Stephen Kent wrote:
> Carlos,
>> Adding to what Oleg mentions in LACNIC we also equal a user of the RPKI
>> system with a legitimate resource holder. It doesn't matter for us
>> whether the user (resource holder) has an AS or not.
> If the address space holder has an AS# allocated by LACNIC, then that
> AS# belongs in the
> cert you issue to that entity.

Yessir. AS numbers are listed in their resource cert(s).

>> In practice, we have quite a few resource holders with no AS, although
>> no one of them has yet created ROAs.
> Do you mean to say that these address space holders do not have ASes, or
> that
> they do not have ASes allocated through LACNIC?

Good question. What I can affirm is that they don't have ASes allocated
by LACNIC. However, from my personal 'feeling' of the region I'm willing
to bet that most if not all of them have no ASes at all, although there
could be some 'outliers' that have ASes allocated by other RIRs.

We also have a third situation: Members with only AS numbers and no
LACNIC-allocated addressing resources. We also issue resource certs for
them listing only the AS numbers, even though as of today they are a bit
useless.

~Carlos

<funny-sad-bit>
Every now and then I get email with questions about how to multihome
with no AS
</funny-sad-bit>

> 
> Steve
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

From kent@bbn.com  Tue Mar 26 12:01:24 2013
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Carols,

I am very happy to hear that LACNIC has been putting AS#s (allocated by 
LACNIC) in the
certs you are issuing!

If you compare the cert you have issued (w/o AS#'s) against RV or RIS 
data, what do you
see:
     - are these prefixed advertised?
     - do they have one ASN associated with the advertisement, or more 
than one?

Steve

From carlos@lacnic.net  Tue Mar 26 12:13:33 2013
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Date: Tue, 26 Mar 2013 16:13:17 -0300
From: "Carlos M. Martinez" <carlos@lacnic.net>
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Subject: Re: [sidr] comments on the repository analysis I-D
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I haven't performed that analysis (how many source ASes per ORG-ID), it
could be an interesting one.... I'll try to find the time to do that
before Berlin.

Glad you like our resource certs :D

Warm regards,

~Carlos

On 3/26/13 4:01 PM, Stephen Kent wrote:
> Carols,
>
> I am very happy to hear that LACNIC has been putting AS#s (allocated
> by LACNIC) in the
> certs you are issuing!
>
> If you compare the cert you have issued (w/o AS#'s) against RV or RIS
> data, what do you
> see:
>     - are these prefixed advertised?
>     - do they have one ASN associated with the advertisement, or more
> than one?
>
> Steve


From internet-drafts@ietf.org  Tue Mar 26 13:47:31 2013
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Subject: [sidr] I-D Action: draft-ietf-sidr-bgpsec-algs-04.txt
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A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
 This draft is a work item of the Secure Inter-Domain Routing Working Group=
 of the IETF.

	Title           : BGP Algorithms, Key Formats, & Signature Formats
	Author(s)       : Sean Turner
	Filename        : draft-ietf-sidr-bgpsec-algs-04.txt
	Pages           : 7
	Date            : 2013-03-26

Abstract:
   This document specifies the algorithms, algorithms' parameters,
   asymmetric key formats, asymmetric key size and signature format used
   in BGPSEC (Border Gateway Protocol Security).  This document updates
   the Profile for Algorithms and Key Sizes for use in the Resource
   Public Key Infrastructure (RFC 6485).


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-sidr-bgpsec-algs

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-sidr-bgpsec-algs-04

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-sidr-bgpsec-algs-04


Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From aservin@lacnic.net  Tue Mar 26 14:35:22 2013
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Subject: Re: [sidr] comments on the repository analysis I-D
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On 3/26/13 4:01 PM, Stephen Kent wrote:
> Carols,
> 
> I am very happy to hear that LACNIC has been putting AS#s (allocated by
> LACNIC) in the
> certs you are issuing!
> 
> If you compare the cert you have issued (w/o AS#'s) against RV or RIS
> data, what do you
> see:
>     - are these prefixed advertised?

	Last time around ~79% of our allocations for IPv4 were announced and
~28% of IPv6.

>     - do they have one ASN associated with the advertisement, or more
> than one?

	Mmm, do not know.

Regards,
as

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Subject: Re: [sidr] I-D Action: draft-ietf-sidr-bgpsec-algs-04.txt
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This is a keep-alive version.  I changed the issue and expiry dates and 
the draft number.

spt

On 3/26/13 4:47 PM, internet-drafts@ietf.org wrote:
>
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
>   This draft is a work item of the Secure Inter-Domain Routing Working Group of the IETF.
>
> 	Title           : BGP Algorithms, Key Formats, & Signature Formats
> 	Author(s)       : Sean Turner
> 	Filename        : draft-ietf-sidr-bgpsec-algs-04.txt
> 	Pages           : 7
> 	Date            : 2013-03-26
>
> Abstract:
>     This document specifies the algorithms, algorithms' parameters,
>     asymmetric key formats, asymmetric key size and signature format used
>     in BGPSEC (Border Gateway Protocol Security).  This document updates
>     the Profile for Algorithms and Key Sizes for use in the Resource
>     Public Key Infrastructure (RFC 6485).
>
>
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-sidr-bgpsec-algs
>
> There's also a htmlized version available at:
> http://tools.ietf.org/html/draft-ietf-sidr-bgpsec-algs-04
>
> A diff from the previous version is available at:
> http://www.ietf.org/rfcdiff?url2=draft-ietf-sidr-bgpsec-algs-04
>
>
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
>

From internet-drafts@ietf.org  Tue Mar 26 14:56:04 2013
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Subject: [sidr] I-D Action: draft-ietf-sidr-bgpsec-threats-05.txt
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A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
 This draft is a work item of the Secure Inter-Domain Routing Working Group=
 of the IETF.

	Title           : Threat Model for BGP Path Security
	Author(s)       : Stephen Kent
                          Andrew Chi
	Filename        : draft-ietf-sidr-bgpsec-threats-05.txt
	Pages           : 20
	Date            : 2013-03-26

Abstract:
   This document describes a threat model for the context in which BGP
   path security mechanisms will be developed.  It assumes the context
   established by the SIDR WG charter, as of April 19, 2011.  The
   charter established two goals for the SIDR work:

   o  Enabling an AS to verify the authorization of an origin AS to

The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-sidr-bgpsec-threats

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-sidr-bgpsec-threats-05

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-sidr-bgpsec-threats-05


Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From achi@bbn.com  Tue Mar 26 15:27:41 2013
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On 3/11/2013 3:31 PM, Stephen Kent wrote:
> Residual Vulnerabilities section. I suggest the following updated text
> for that section, to better explain the criteria for inclusion and
> exclusion in that document:
>
> <snip>

-bgpsec-threats-05 has been updated with the revised paragraph.

Editorial change: I also removed the TCPMD5 reference at the end since 
it's within a quote (and obsoleted).

Andrew


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hi oleg,

>>> I count the number of distinct reg-ids in the RIR statistics files
>>> (ftp.<RIR>.net/pub/stats/<RIR>/delegated-<RIR>-extended-latest, where
>>> <RIR> is in {afrinic,apnic,arin,lacnic}). 
>> at least for arin, this algorithm produces a result off by a quite
>> large factor.
> I do
> $ cut -f8 -d'|' delegated-arin-extended-latest |sort -u|wc -l
> 35394

sorry.  it is not you, it is the arin database (personally, all the rir
databases suck, they just suck differently:-).  what the arin database
considers to be an organization does not correspond to what you consider
one, z/s aside.  e.g. check how many 'goog's you find.

randy

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From: John Curran <jcurran@arin.net>
To: Oleg Muravskiy <oleg@ripe.net>
Thread-Topic: [sidr] comments on the repository analysis I-D
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On Mar 26, 2013, at 9:24 PM, Randy Bush <randy@psg.com> wrote:

> sorry.  it is not you, it is the arin database (personally, all the rir
> databases suck, they just suck differently:-).  what the arin database
> considers to be an organization does not correspond to what you consider
> one,

Randy is correct - while "organization ids" do map to organizations,
it is often a many-to-one relationship and hence not necessarily useful
as an indicator of number of organizations (in the typical use of the
term) actually involved.  It is a valid upper bound, but the true value
may be less due to multiple network management entities (Foo-wireline,=20
Foo-wireless, etc.), multiple contracts with ARIN, or multiple entries=20
for hierarchical organizations (e.g. large governments with multiple=20
agencies/departments)

FYI,
/John







From oleg@ripe.net  Wed Mar 27 06:42:43 2013
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John Curran wrote:
> On Mar 26, 2013, at 9:24 PM, Randy Bush <randy@psg.com> wrote:
>
>> sorry.  it is not you, it is the arin database (personally, all the rir
>> databases suck, they just suck differently:-).  what the arin database
>> considers to be an organization does not correspond to what you consider
>> one,
> Randy is correct - while "organization ids" do map to organizations,
> it is often a many-to-one relationship and hence not necessarily useful
> as an indicator of number of organizations (in the typical use of the
> term) actually involved.  It is a valid upper bound, but the true value
> may be less due to multiple network management entities (Foo-wireline, 
> Foo-wireless, etc.), multiple contracts with ARIN, or multiple entries 
> for hierarchical organizations (e.g. large governments with multiple 
> agencies/departments)
Yes, we also have cases when multiple members belong to a single legal entity.
But I think we are not interested in different organisations as such, but rather the number of CAs.
So the actual question is whether the number of RPKI CAs will differ from the number of "organization ids" in ARIN stats file?

-- 
Oleg Muravskiy
RIPE NCC


--------------080709080301030509080801
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<html>
  <head>
    <meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
  </head>
  <body bgcolor="#FFFFFF" text="#333333">
    <br>
    <div class="moz-cite-prefix">John Curran wrote:<br>
    </div>
    <blockquote
cite="mid:8DA1853CE466B041B104C1CAEE00B3748FA49A81@CHAXCH01.corp.arin.net"
      type="cite">
      <pre wrap="">On Mar 26, 2013, at 9:24 PM, Randy Bush <a class="moz-txt-link-rfc2396E" href="mailto:randy@psg.com">&lt;randy@psg.com&gt;</a> wrote:

</pre>
      <blockquote type="cite">
        <pre wrap="">sorry.  it is not you, it is the arin database (personally, all the rir
databases suck, they just suck differently:-).  what the arin database
considers to be an organization does not correspond to what you consider
one,
</pre>
      </blockquote>
      <pre wrap="">
Randy is correct - while "organization ids" do map to organizations,
it is often a many-to-one relationship and hence not necessarily useful
as an indicator of number of organizations (in the typical use of the
term) actually involved.  It is a valid upper bound, but the true value
may be less due to multiple network management entities (Foo-wireline, 
Foo-wireless, etc.), multiple contracts with ARIN, or multiple entries 
for hierarchical organizations (e.g. large governments with multiple 
agencies/departments)</pre>
    </blockquote>
    Yes, we also have cases when multiple members belong to a single
    legal entity.<br>
    But I think we are not interested in different organisations as
    such, but rather the number of CAs.<br>
    So the actual question is whether the number of RPKI CAs will differ
    from the number of "organization ids" in ARIN stats file?
    <blockquote
cite="mid:8DA1853CE466B041B104C1CAEE00B3748FA49A81@CHAXCH01.corp.arin.net"
      type="cite">
    </blockquote>
    <br>
    <pre class="moz-signature" cols="132">-- 
Oleg Muravskiy
RIPE NCC</pre>
  </body>
</html>

--------------080709080301030509080801--

From aservin@lacnic.net  Wed Mar 27 06:49:57 2013
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Subject: Re: [sidr] comments on the repository analysis I-D
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	I think we are around the bushes.

	We want to know an estimate of the number of CAs in the future.

	The current number does not work because of all the reasons that we
already know.

	Then, I found #CA = #AS a good estimate (yes, there are multiple
factors like an RIR or an ISP may provide a hosted solution and reduce
this number in half, a 20% or even keep it very low if only Tier-1 and
large ISPs/enterprises decide to have CAs and the rest is happy with the
RIR hosted model).

Regards,
as

On 3/27/13 10:42 AM, Oleg Muravskiy wrote:
> 
> John Curran wrote:
>> On Mar 26, 2013, at 9:24 PM, Randy Bush <randy@psg.com> wrote:
>>
>>> sorry.  it is not you, it is the arin database (personally, all the rir
>>> databases suck, they just suck differently:-).  what the arin database
>>> considers to be an organization does not correspond to what you consider
>>> one,
>> Randy is correct - while "organization ids" do map to organizations,
>> it is often a many-to-one relationship and hence not necessarily useful
>> as an indicator of number of organizations (in the typical use of the
>> term) actually involved.  It is a valid upper bound, but the true value
>> may be less due to multiple network management entities (Foo-wireline, 
>> Foo-wireless, etc.), multiple contracts with ARIN, or multiple entries 
>> for hierarchical organizations (e.g. large governments with multiple 
>> agencies/departments)
> Yes, we also have cases when multiple members belong to a single legal
> entity.
> But I think we are not interested in different organisations as such,
> but rather the number of CAs.
> So the actual question is whether the number of RPKI CAs will differ
> from the number of "organization ids" in ARIN stats file?
> 
> -- 
> Oleg Muravskiy
> RIPE NCC
> 
> 
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 

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On Mar 27, 2013, at 9:42 AM, Oleg Muravskiy <oleg@ripe.net> wrote:

> Yes, we also have cases when multiple members belong to a single legal en=
tity.
> But I think we are not interested in different organisations as such, but=
 rather the number of CAs.
> So the actual question is whether the number of RPKI CAs will differ from=
 the number of "organization ids" in ARIN stats file?

Agreed...  very hard to predict.  For those cases where it is distinct netw=
ork=20
management, it could go either way.  For those where it is hierarchical org=
s,
likely to remain distinct.   For those were it is contractual in natural, I=
 would
expect modest consolidation over time.

I believe it is fine as an indicator of potential CA entities within +/- 50=
%,
but even that is simply the best estimate at this time.

/John


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From: "Murphy, Sandra" <Sandra.Murphy@sparta.com>
To: John Curran <jcurran@arin.net>, Oleg Muravskiy <oleg@ripe.net>
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On Wednesday, March 27, 2013 9:53 AM, John Curran said:=0A=
=0A=
>I believe it is fine as an indicator of potential CA entities within +/- 5=
0%,=0A=
>but even that is simply the best estimate at this time.=0A=
=0A=
No smiley?=0A=
=0A=
--Sandy, speaking as regular ol' member=0A=

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On Mar 27, 2013, at 10:24 AM, "Murphy, Sandra" <Sandra.Murphy@sparta.com> w=
rote:

> On Wednesday, March 27, 2013 9:53 AM, John Curran said:
>=20
>> I believe it is fine as an indicator of potential CA entities within +/-=
 50%,
>> but even that is simply the best estimate at this time.
>=20
> No smiley?

Implied by context...  :-)
/John



From randy@psg.com  Wed Mar 27 09:20:27 2013
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> I think we are around the bushes.

excuse me!!

> We want to know an estimate of the number of CAs in the future.

have you looked at sriram's and sk's work.

randy

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On 3/27/13 1:20 PM, Randy Bush wrote:
>> I think we are around the bushes.
> 
> excuse me!!
> 
>> We want to know an estimate of the number of CAs in the future.
> 
> have you looked at sriram's and sk's work.
> 
> randy
> 

	Yes, I assume
http://tools.ietf.org/agenda/86/slides/slides-86-sidr-1.pdf slide 3.

	Which I think is a good estimate.

-as

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> 	Yes, I assume
> http://tools.ietf.org/agenda/86/slides/slides-86-sidr-1.pdf slide 3.
> 	Which I think is a good estimate.

of publication points.  != repositories

randy

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To: Randy Bush <randy@psg.com>
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Cc: sidr@ietf.org
Subject: Re: [sidr] comments on the repository analysis I-D
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	OK, I will use publication points from now own to avoid confusions.

-as
	

On 3/27/13 1:32 PM, Randy Bush wrote:
>> 	Yes, I assume
>> http://tools.ietf.org/agenda/86/slides/slides-86-sidr-1.pdf slide 3.
>> 	Which I think is a good estimate.
> 
> of publication points.  != repositories
> 
> randy
> 

From kotikalapudi.sriram@nist.gov  Wed Mar 27 09:49:04 2013
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From: "Sriram, Kotikalapudi" <kotikalapudi.sriram@nist.gov>
To: Randy Bush <randy@psg.com>, Arturo Servin <aservin@lacnic.net>
Date: Wed, 27 Mar 2013 12:48:56 -0400
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Subject: Re: [sidr] comments on the repository analysis I-D
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>> 	Yes, I assume
>> http://tools.ietf.org/agenda/86/slides/slides-86-sidr-1.pdf slide 3.
>> 	Which I think is a good estimate.
>
>of publication points.  != repositories

Arturo,
Please also see slide #15. We vary the # repositories over a wide range,
and the justification is somewhat along the lines of what you also noted in your post: 
http://www.ietf.org/mail-archive/web/sidr/current/msg05888.html 

A lot of CA's/pub points may be there (~order #ASes), but following observations
similar to your rationale, the # repositories (where the pub points are actually published)
can be somewhat smaller (see slide 15). 

Sriram



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> 	Yes, I assume
> http://tools.ietf.org/agenda/86/slides/slides-86-sidr-1.pdf slide 3.
> 	Which I think is a good estimate.
 
actually, i think the number of pub points will be closer to the number
of entries in the rir's datamesses, as they will be issuing the certs
based on their datamesses.

randy
