
From gih@apnic.net  Tue Nov  2 16:15:23 2010
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From: Geoff Huston <gih@apnic.net>
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Subject: [sidr] EE certificates
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Hi

In revising the manifests draft the topic of single use and multi use =
certificates came up as a discussion topic between the draft's authors.

The sidr specs allow for two forms of use of EE certificates: one is =
perhaps a "conventional" use, where a EE cert can be used to validate =
any number of objects signed with digital signatures, without any =
particular restrictions on the number of such digitally signed objects =
that may be validated by this EE cert at any one time. The res-cert =
draft calls this forms of ee certs "multi-use" EE certs. The other form =
of use is a more restricted form of use of an EE certificate, where the =
EE cert may be used to validate the digital signature of only a single =
object at any one time. This form of use of an EE cert is called a =
"single-use" EE cert.

Single-use EE certs allow for the validity of a RPKI digitally signed =
object to be controlled by the validity of the associated single-use EE =
certificate.

There is no clearly defined use for multi-use EE certificates, other =
than a general intent to allow for some potential use of RPKI EE certs =
in a manner that is consistent with other PKIs.=20

My co-authors of the manifest draft have proposed dropping the multi-use =
EE cert from the RPKI spec and leave only single-use EE certs. Before =
making this change to the sidr drafts that I'm editing, I'd like to =
check on the SIDR mailer whether anyone in the WG has a strong view that =
this would be the wrong thing to do. So if you have the view that it is =
preferable to keep multi-use EE certs in the spec, please speak up now, =
otherwise they will be removed in the next rev of the relevant drafts.

thanks,

    Geoff



From gih@apnic.net  Wed Nov  3 20:34:00 2010
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Subject: Re: [sidr] I-D Action:draft-ietf-sidr-rpki-algs-03.txt
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Hi,

I'd like to resolve this in the draft, and at this stage I see a strong =
argument to remove the sentence:

  In anticipation of a potential need to transition to stronger
   cryptographic algorithms in the future, CAs and RPs SHOULD be able to
   generate and verify RSASSA-PKCS1-v1_5 signatures using the SHA-512
   hash algorithm and RSA key sizes of 3072 and 4096 bits.


in the next rev of this draft

thanks,

  Geoff
=20=

From Sandra.Murphy@cobham.com  Fri Nov  5 13:09:53 2010
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Subject: [sidr] WG LC for draft-ietf-sidr-arch-11
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The authors of draft-ietf-sidr-arch 
(http://tools.ietf.org/html/draft-ietf-sidr-arch-11) have requested a 
working group last call.

The chairs ask the working group to consider this draft and decide whether 
it is worthy of publication.

This draft was in last call about a year ago and some changes have been 
made in the time since.  Given that the IETF is next week, the WG LC will 
end on 26 November.

--Sandy, wg chair turban on

From Sandra.Murphy@cobham.com  Fri Nov  5 13:11:41 2010
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Subject: [sidr] WG LC for draft-ietf-sidr-signed-object-01
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The authors of draft-ietf-sidr-signed-object-01 
(http://tools.ietf.org/html/draft-ietf-sidr-signed-object-01) have 
requested a working group last call.

The chairs ask the working group to consider this draft and decide if it 
is worthy of publication.

This draft has not been through a last call before and next week is the 
IETF week, so the last call will end on 26 November.

--Sandy

From Sandra.Murphy@cobham.com  Fri Nov  5 13:12:54 2010
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Subject: Re: [sidr] WG LC for draft-ietf-sidr-signed-object-01
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OOPS, forgot the obligatory:

--Sandy, wg homburg on


On Fri, 5 Nov 2010, Sandra Murphy wrote:

> The authors of draft-ietf-sidr-signed-object-01 
> (http://tools.ietf.org/html/draft-ietf-sidr-signed-object-01) have requested 
> a working group last call.
>
> The chairs ask the working group to consider this draft and decide if it is 
> worthy of publication.
>
> This draft has not been through a last call before and next week is the IETF 
> week, so the last call will end on 26 November.
>
> --Sandy
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
>

From Sandra.Murphy@cobham.com  Fri Nov  5 13:15:38 2010
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From: Sandra Murphy <sandy@sparta.com>
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Subject: [sidr] WG LC for draft-ietf-sidr-ta-05
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On 14 September, Chris Morrow, with wg fedora on, said of 
draft-ietf-sidr-ta-04:

> Unless there are complaints about this, please get a last rev in
> before Bejing so it can start LC just before the meeting.

The authors have submitted a new version 
(http://tools.ietf.org/html/draft-ietf-sidr-ta-05) and have requested a 
working group last call.

The chairs ask the working group to consider this draft and decide whether 
it is worthy of publication.

Given that next week is IETF week, the last call will end 26 November.

--Sandy, wg chair skullcap on

From Internet-Drafts@ietf.org  Sun Nov  7 17:45:03 2010
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This draft is a work item of the Secure Inter-Domain Routing Working Group of the IETF.


	Title           : Validation of Route Origination using the Resource Certificate PKI and ROAs
	Author(s)       : G. Huston, G. Michaelson
	Filename        : draft-ietf-sidr-roa-validation-09.txt
	Pages           : 10
	Date            : 2010-11-07

This document defines the semantics of a Route Origin Authorization
(ROA) in terms of the context of an application of the Resource
Public Key Infrastructure to validate the origination of routes
advertised in the Border Gateway Protocol.

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	Title           : A Profile for X.509 PKIX Resource Certificates
	Author(s)       : G. Huston, et al.
	Filename        : draft-ietf-sidr-res-certs-20.txt
	Pages           : 28
	Date            : 2010-11-07

This document defines a standard profile for X.509 certificates for
the purposes of supporting validation of assertions of "right-of-use"
of Resources (INRs).  The certificates issued under this profile are
used to convey the Issuer's authorisation of the Subject to be
regarded as the current holder of a "right-of-use" of the INRs that
are described in the certificate.  This document contains the
normative specification of Certificate and Certificate Revocation
List (CRL) syntax in the Resource Public Key Infrastructure (RPKI).
The document also specifies profiles for the format of certificate
requests.  The document also specifies the Relying Party RPKI
certificate path validation procedure.

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	Title           : A Profile for Resource Certificate Repository Structure
	Author(s)       : G. Huston, et al.
	Filename        : draft-ietf-sidr-repos-struct-06.txt
	Pages           : 13
	Date            : 2010-11-07

This document defines a profile for the structure of the Resource PKI
distributed repository.  Each individual repository publication point
is a directory that contains files that correspond to X.509 / PKIX
Resource Certificates, Certificate Revocation Lists and signed
objects.  This profile defines the recommended object (file) naming
scheme, the recommended contents of repository publication points
(directories), and a suggested internal structure of a local
repository cache that is intended to facilitate synchronisation
across a distributed collection of repository publication points and
facilitate certification path construction.

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From turners@ieca.com  Sun Nov  7 21:28:40 2010
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Subject: Re: [sidr] WG LC for draft-ietf-sidr-signed-object-01
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11/6/2010 4:11 AM, Sandra Murphy wrote:
> The authors of draft-ietf-sidr-signed-object-01
> (http://tools.ietf.org/html/draft-ietf-sidr-signed-object-01) have
> requested a working group last call.
>
> The chairs ask the working group to consider this draft and decide if it
> is worthy of publication.
>
> This draft has not been through a last call before and next week is the
> IETF week, so the last call will end on 26 November.

I have read this draft and support progressing it down the publication path.

spt

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Subject: Re: [sidr] WG LC for draft-ietf-sidr-signed-object-01
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> On Fri, 5 Nov 2010, Sandra Murphy wrote:
>
>> The authors of draft-ietf-sidr-signed-object-01
>> (http://tools.ietf.org/html/draft-ietf-sidr-signed-object-01) have
>> requested a working group last call.
>>
>> The chairs ask the working group to consider this draft and decide if
>> it is worthy of publication.
>>
>> This draft has not been through a last call before and next week is
>> the IETF week, so the last call will end on 26 November.

I have read this draft and support progressing it down the publication path.

One minor nit: [I-D.sidr-rpki-algs] should point to 
draft-ietf-sidr-rpki-algs instead of draft-huston-sidr-rpki-algs.

spt

From kent@bbn.com  Sun Nov  7 21:49:27 2010
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At 4:10 PM -0400 11/5/10, Sandra Murphy wrote:
>The authors of draft-ietf-sidr-arch 
>(http://tools.ietf.org/html/draft-ietf-sidr-arch-11) have requested 
>a working group last call.
>
>The chairs ask the working group to consider this draft and decide 
>whether it is worthy of publication.
>
>This draft was in last call about a year ago and some changes have 
>been made in the time since.  Given that the IETF is next week, the 
>WG LC will end on 26 November.
>
>--Sandy, wg chair turban on
>_______________________________________________
>sidr mailing list
>sidr@ietf.org
>https://www.ietf.org/mailman/listinfo/sidr

I support this doc.

Steve

From kent@bbn.com  Sun Nov  7 21:49:37 2010
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At 4:15 PM -0400 11/5/10, Sandra Murphy wrote:
>On 14 September, Chris Morrow, with wg fedora on, said of 
>draft-ietf-sidr-ta-04:
>
>>Unless there are complaints about this, please get a last rev in
>>before Bejing so it can start LC just before the meeting.
>
>The authors have submitted a new version 
>(http://tools.ietf.org/html/draft-ietf-sidr-ta-05) and have 
>requested a working group last call.
>
>The chairs ask the working group to consider this draft and decide 
>whether it is worthy of publication.
>
>Given that next week is IETF week, the last call will end 26 November.
>
>--Sandy, wg chair skullcap on
>_______________________________________________
>sidr mailing list
>sidr@ietf.org
>https://www.ietf.org/mailman/listinfo/sidr

I support progression of this doc (with a few editorial edits) that 
will probably appear in the next version anyway ... :-)

Steve

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A new version of I-D, draft-ymbk-rpki-origin-ops-00.txt has been successfully submitted by Randy Bush and posted to the IETF repository.

Filename:	 draft-ymbk-rpki-origin-ops
Revision:	 00
Title:		 RPKI-Based Origin Validation Operations
Creation_date:	 2010-11-08
WG ID:		 Independent Submission
Number_of_pages: 7

Abstract:
Deployment of the RPKI-based BGP origin validation has many
operational considerations.  This document attempts to collect and
present them.  It is expected to evolve as RPKI-based origin
validation is deployed and the dynamics are better understood.
                                                                                  


The IETF Secretariat.



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A new version of I-D, draft-ymbk-ghostbusters-01.txt has been successfully submitted by Randy Bush and posted to the IETF repository.

Filename:	 draft-ymbk-ghostbusters
Revision:	 01
Title:		 The RPKI Ghostbusters Record
Creation_date:	 2010-11-08
WG ID:		 Independent Submission
Number_of_pages: 7

Abstract:
In the Resource Public Key Infrastructure (RPKI), resource
certificates completely obscure names or any other information which
might be useful for contacting responsible parties to deal with
issues of certificate expiration, maintenance, roll-overs,
compromises, etc.  This draft describes the RPKI Ghostbusters Record
containing human contact information to be signed (indirectly) by a
resource-owning certificate.  The data in the record are those of a
severely profiled vCARD.
                                                                                  


The IETF Secretariat.



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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           : A Profile for Route Origin Authorizations (ROAs)
	Author(s)       : M. Lepinski, et al.
	Filename        : draft-ietf-sidr-roa-format-08.txt
	Pages           : 9
	Date            : 2010-11-07

This document defines a standard profile for Route Origin
Authorizations (ROAs).  A ROA is a digitally signed object that
provides a means of verifying that an IP address block holder has
authorized an Autonomous System (AS) to originate routes to that one
or more prefixes within the address block.

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	Title           : Resource Certificate PKI (RPKI) Trust Anchor Locator
	Author(s)       : G. Huston, et al.
	Filename        : draft-ietf-sidr-ta-06.txt
	Pages           : 8
	Date            : 2010-11-07

This document defines a Trust Anchor Locator (TAL) for the Resource
Certificate Public Key Infrastructure (RPKI).

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On 11/6/2010 4:10 AM, Sandra Murphy wrote:
> The authors of draft-ietf-sidr-arch
> (http://tools.ietf.org/html/draft-ietf-sidr-arch-11) have requested a
> working group last call.
>
> The chairs ask the working group to consider this draft and decide
> whether it is worthy of publication.
>
> This draft was in last call about a year ago and some changes have been
> made in the time since. Given that the IETF is next week, the WG LC will
> end on 26 November.

I have read this draft and support progressing it down the publication path.

spt

From Sandra.Murphy@cobham.com  Mon Nov  8 01:51:52 2010
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From: Sandra Murphy <sandy@sparta.com>
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Subject: [sidr] revised agenda available
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I have revised the sidr agenda for Thursday.  The new agenda is available 
from the IETF 79 meeting agenda page.

Please take a look at http://www.ietf.org/proceedings/79/agenda/sidr.html.

If I missed your request for agenda time, please let me know.

--Sandy


From Sandra.Murphy@cobham.com  Mon Nov  8 02:22:51 2010
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From: Sandra Murphy <sandy@sparta.com>
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Subject: [sidr] request for jabber scribe and minute taker
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We need a jabber scribe and a minute taker for the sidr meeting Thursday 
morning.

I'm looking for volunteers.  If you can do one of those functions, please 
email me.

--Sandy, wg co-chair beanie on



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From: Geoff Huston <gih902@gmail.com>
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Subject: Re: [sidr] WG LC for draft-ietf-sidr-signed-object-01
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On 06/11/2010, at 7:11 AM, Sandra Murphy wrote:

> The authors of draft-ietf-sidr-signed-object-01 =
(http://tools.ietf.org/html/draft-ietf-sidr-signed-object-01) have =
requested a working group last call.
>=20
> The chairs ask the working group to consider this draft and decide if =
it is worthy of publication.
>=20
> This draft has not been through a last call before and next week is =
the IETF week, so the last call will end on 26 November.
>=20

I had a question about this draft that I posted to the SIDR WG mailing =
list on the 8th October.=20

----------------
I am a little confused in reading section 4 of this draft.

The intro to this section states that:

 "Each RPKI signed object MUST be defined in an Internet standards
  track document based on this profile, by specifying the following
  data elements and validation procedure:"

My question is: Why is the Content-Type Attribute listed as a distinct
data element that requires specification?=20

The relevant text (item 3) states that:

 "Content-Type Attribute:  The mandatory Content-Type Attribute
  MUST have its attrValues field set to the same OID as
  eContentType in item 1."

So I understand that in writing a document that uses a RPKI signed =
object I
have to define the eContentType, but I DO NOT need to also define the
Content-Type Attribute. If this is the case then why is this data =
element
listed in Section 4 of the draft as being a data element that MUST
be separately specified in the specific object specification?

regards,

 Geoff
-------------------

I have not seen a response posted to the SIDR WG that responds to this =
question. Accordingly, as it stands I do not support this draft going =
forward until this question is resolved, as the draft as it stands is =
not internally consistent, imho.

thanks,

  Geoff




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Subject: Re: [sidr] WG LC for draft-ietf-sidr-signed-object-01
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On 11/8/2010 7:10 AM, Geoff Huston wrote:
>
> On 06/11/2010, at 7:11 AM, Sandra Murphy wrote:
>
>> The authors of draft-ietf-sidr-signed-object-01 (http://tools.ietf.org/html/draft-ietf-sidr-signed-object-01) have requested a working group last call.
>>
>> The chairs ask the working group to consider this draft and decide if it is worthy of publication.
>>
>> This draft has not been through a last call before and next week is the IETF week, so the last call will end on 26 November.
>>
>
> I had a question about this draft that I posted to the SIDR WG mailing list on the 8th October.
>
> ----------------
> I am a little confused in reading section 4 of this draft.
>
> The intro to this section states that:
>
>   "Each RPKI signed object MUST be defined in an Internet standards
>    track document based on this profile, by specifying the following
>    data elements and validation procedure:"
>
> My question is: Why is the Content-Type Attribute listed as a distinct
> data element that requires specification?
>
> The relevant text (item 3) states that:
>
>   "Content-Type Attribute:  The mandatory Content-Type Attribute
>    MUST have its attrValues field set to the same OID as
>    eContentType in item 1."
>
> So I understand that in writing a document that uses a RPKI signed object I
> have to define the eContentType, but I DO NOT need to also define the
> Content-Type Attribute. If this is the case then why is this data element
> listed in Section 4 of the draft as being a data element that MUST
> be separately specified in the specific object specification?
>
> regards,
>
>   Geoff
> -------------------
>
> I have not seen a response posted to the SIDR WG that responds to this question. Accordingly, as it stands I do not support this draft going forward until this question is resolved, as the draft as it stands is not internally consistent, imho.
>

Thanks for catching this, Geoff.  You are correct that since the 
eContentType OID MUST equal the Content-Type Attribute, a specific 
object specification only needs to specify one, not both.  That item 
will be removed.

-Andrew


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Subject: Re: [sidr] WG LC for draft-ietf-sidr-signed-object-01
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>>=20
>>=20
>>=20
>> I have not seen a response posted to the SIDR WG that responds to =
this question. Accordingly, as it stands I do not support this draft =
going forward until this question is resolved, as the draft as it stands =
is not internally consistent, imho.
>>=20
>=20
> Thanks for catching this, Geoff.  You are correct that since the =
eContentType OID MUST equal the Content-Type Attribute, a specific =
object specification only needs to specify one, not both.  That item =
will be removed.


On the understanding that this will be corrected before the document =
heads to the IESG, I withdraw my objection, and support this draft gong =
forward.

thanks,

   Geoff


From Internet-Drafts@ietf.org  Mon Nov  8 15:00:09 2010
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	Title           : Manifests for the Resource Public Key Infrastructure
	Author(s)       : R. Austein, et al.
	Filename        : draft-ietf-sidr-rpki-manifests-09.txt
	Pages           : 19
	Date            : 2010-11-08

This document defines a "manifest" for use in the Resource Public Key
Infrastructure (RPKI).  A manifest is a signed object (file) that
contains a listing of all the signed objects (files) in the
repository publication point (directory) associated with an authority
responsible for publishing in the repository.  For each certificate,
Certificate Revocation List (CRL), or other type of signed objects
issued by the authority, that are published at this repository
publication point, the manifest contains both the name of the file
containing the object, and a hash of the file content.  Manifests are
intended to enable a relying party (RP) to detect certain forms of
attacks against a repository.  Specifically, if an RP checks a
manifest's contents against the signed objects retrieved from a
repository publication point, then the RP can detect "stale" (valid)
data and deletion of signed objects.

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	Title           : CA Key Rollover in the RPKI
	Author(s)       : G. Huston, et al.
	Filename        : draft-ietf-sidr-keyroll-04.txt
	Pages           : 10
	Date            : 2010-11-08

This document describes an algorithm to allow an entity who
undertakes the role of a Certification Authority in the Resource
Public Key Infrastructure to perform a rollover of its key pair.
This document also notes the requirements placed on Relying Parties
who maintain a local cache of the objects that have been published in
the distributed Resource Public Key Infrastructure repository
publication structure.

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	Title           : A Profile for Algorithms and Key Sizes for use in the Resource Public Key Infrastructure
	Author(s)       : G. Huston
	Filename        : draft-ietf-sidr-rpki-algs-04.txt
	Pages           : 6
	Date            : 2010-11-08

This document specifies the algorithms, algorithms' parameters,
asymmetric key formats, asymmetric key size and signature format for
the Resource Public Key Infrastructure subscribers that generate
digital signatures on certificates, Certificate Revocation Lists, and
signed objects as well as for the Relying Parties (RPs) that verify
these digital signatures.

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	Title           : A Protocol for Provisioning Resource Certificates
	Author(s)       : G. Huston, et al.
	Filename        : draft-ietf-sidr-rescerts-provisioning-08.txt
	Pages           : 30
	Date            : 2010-11-08

This document defines a framework for certificate management
interactions between a resource issuer ("Issuer") and a resource
recipient ("Subject") through the specification of a protocol for
interaction between the two parties.  The protocol supports the
transmission of requests from the Subject, and corresponding
responses from the Issuer encompassing the actions of certificate
issuance, certificate revocation and certificate status information
reports.  This protocol is intended to be limited to the application
of resource certificate management and is not intended to be used as
part of a more general certificate management framework.

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From achi@bbn.com  Mon Nov  8 17:05:05 2010
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On 10/7/2010 7:32 PM, Randy Bush wrote:
>>> saturday november 6, we will be doing an rpki testbed workshop and
>>> hackathon in the ietf terminal room.  bring unix/macosx/linux laptop,
>>> or access to a system on which you can do the install and configure.
>> For public information, what code will you be using for this?
>
> the open source full implementation (rpki, up/down, publication, relying
> party, gui, mocha ice cream), implementation at http://www.rpki.net/.
> and this goes all the way to some test routers to do origin validation.
>

I've brought BBN's version of the relying party software, and would like 
to try it out as well as compare results with other RP software (e.g. 
rcynic, others?) to see if multiple implementations get the same answers.

Would Wednesday 4pm in the terminal room work for people?

-Andrew


From tim@ripe.net  Mon Nov  8 17:53:10 2010
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On 11/9/10 9:05 AM, Andrew Chi wrote:
> On 10/7/2010 7:32 PM, Randy Bush wrote:
>>>> saturday november 6, we will be doing an rpki testbed workshop and
>>>> hackathon in the ietf terminal room.  bring unix/macosx/linux laptop,
>>>> or access to a system on which you can do the install and configure.
>>> For public information, what code will you be using for this?
>>
>> the open source full implementation (rpki, up/down, publication, relying
>> party, gui, mocha ice cream), implementation at http://www.rpki.net/.
>> and this goes all the way to some test routers to do origin validation.
>>
> 
> I've brought BBN's version of the relying party software, and would like
> to try it out as well as compare results with other RP software (e.g.
> rcynic, others?) to see if multiple implementations get the same answers.
> 
> Would Wednesday 4pm in the terminal room work for people?
> 

Unfortunately I could not be here in time for the Saturday hackaton.

I am very interested to compare results. I can do the testing using our
(RIPE NCC) command line validation tool. It's not a full fledged
backgrounding, caching, rpki-rtr speaking validator, but it should be
able to deal with ad-hoc top-down and bottom-up validation.

I can make time Wednesday 4pm, but prefer Thursday any time after the
sidr session. (was planning to go see the forbidden city or maybe even
great wall tomorrow).

Cheers
Tim


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


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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           : Validation of Route Origination using the Resource Certificate PKI and ROAs
	Author(s)       : G. Huston, G. Michaelson
	Filename        : draft-ietf-sidr-roa-validation-09.txt
	Pages           : 10
	Date            : 2010-11-07

This document defines the semantics of a Route Origin Authorization
(ROA) in terms of the context of an application of the Resource
Public Key Infrastructure to validate the origination of routes
advertised in the Border Gateway Protocol.

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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           : A Profile for X.509 PKIX Resource Certificates
	Author(s)       : G. Huston, et al.
	Filename        : draft-ietf-sidr-res-certs-20.txt
	Pages           : 28
	Date            : 2010-11-07

This document defines a standard profile for X.509 certificates for
the purposes of supporting validation of assertions of "right-of-use"
of Resources (INRs).  The certificates issued under this profile are
used to convey the Issuer's authorisation of the Subject to be
regarded as the current holder of a "right-of-use" of the INRs that
are described in the certificate.  This document contains the
normative specification of Certificate and Certificate Revocation
List (CRL) syntax in the Resource Public Key Infrastructure (RPKI).
The document also specifies profiles for the format of certificate
requests.  The document also specifies the Relying Party RPKI
certificate path validation procedure.

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http://www.ietf.org/internet-drafts/draft-ietf-sidr-res-certs-20.txt

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	Title           : A Profile for Resource Certificate Repository Structure
	Author(s)       : G. Huston, et al.
	Filename        : draft-ietf-sidr-repos-struct-06.txt
	Pages           : 13
	Date            : 2010-11-07

This document defines a profile for the structure of the Resource PKI
distributed repository.  Each individual repository publication point
is a directory that contains files that correspond to X.509 / PKIX
Resource Certificates, Certificate Revocation Lists and signed
objects.  This profile defines the recommended object (file) naming
scheme, the recommended contents of repository publication points
(directories), and a suggested internal structure of a local
repository cache that is intended to facilitate synchronisation
across a distributed collection of repository publication points and
facilitate certification path construction.

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	Title           : A Profile for Route Origin Authorizations (ROAs)
	Author(s)       : M. Lepinski, et al.
	Filename        : draft-ietf-sidr-roa-format-08.txt
	Pages           : 9
	Date            : 2010-11-07

This document defines a standard profile for Route Origin
Authorizations (ROAs).  A ROA is a digitally signed object that
provides a means of verifying that an IP address block holder has
authorized an Autonomous System (AS) to originate routes to that one
or more prefixes within the address block.

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This draft is a work item of the Secure Inter-Domain Routing Working Group of the IETF.


	Title           : Resource Certificate PKI (RPKI) Trust Anchor Locator
	Author(s)       : G. Huston, et al.
	Filename        : draft-ietf-sidr-ta-06.txt
	Pages           : 8
	Date            : 2010-11-07

This document defines a Trust Anchor Locator (TAL) for the Resource
Certificate Public Key Infrastructure (RPKI).

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This draft is a work item of the Secure Inter-Domain Routing Working Group of the IETF.


	Title           : Manifests for the Resource Public Key Infrastructure
	Author(s)       : R. Austein, et al.
	Filename        : draft-ietf-sidr-rpki-manifests-09.txt
	Pages           : 19
	Date            : 2010-11-08

This document defines a "manifest" for use in the Resource Public Key
Infrastructure (RPKI).  A manifest is a signed object (file) that
contains a listing of all the signed objects (files) in the
repository publication point (directory) associated with an authority
responsible for publishing in the repository.  For each certificate,
Certificate Revocation List (CRL), or other type of signed objects
issued by the authority, that are published at this repository
publication point, the manifest contains both the name of the file
containing the object, and a hash of the file content.  Manifests are
intended to enable a relying party (RP) to detect certain forms of
attacks against a repository.  Specifically, if an RP checks a
manifest's contents against the signed objects retrieved from a
repository publication point, then the RP can detect "stale" (valid)
data and deletion of signed objects.

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This draft is a work item of the Secure Inter-Domain Routing Working Group of the IETF.


	Title           : CA Key Rollover in the RPKI
	Author(s)       : G. Huston, et al.
	Filename        : draft-ietf-sidr-keyroll-04.txt
	Pages           : 10
	Date            : 2010-11-08

This document describes an algorithm to allow an entity who
undertakes the role of a Certification Authority in the Resource
Public Key Infrastructure to perform a rollover of its key pair.
This document also notes the requirements placed on Relying Parties
who maintain a local cache of the objects that have been published in
the distributed Resource Public Key Infrastructure repository
publication structure.

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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           : A Profile for Algorithms and Key Sizes for use in the Resource Public Key Infrastructure
	Author(s)       : G. Huston
	Filename        : draft-ietf-sidr-rpki-algs-04.txt
	Pages           : 6
	Date            : 2010-11-08

This document specifies the algorithms, algorithms' parameters,
asymmetric key formats, asymmetric key size and signature format for
the Resource Public Key Infrastructure subscribers that generate
digital signatures on certificates, Certificate Revocation Lists, and
signed objects as well as for the Relying Parties (RPs) that verify
these digital signatures.

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This draft is a work item of the Secure Inter-Domain Routing Working Group of the IETF.


	Title           : A Protocol for Provisioning Resource Certificates
	Author(s)       : G. Huston, et al.
	Filename        : draft-ietf-sidr-rescerts-provisioning-08.txt
	Pages           : 30
	Date            : 2010-11-08

This document defines a framework for certificate management
interactions between a resource issuer ("Issuer") and a resource
recipient ("Subject") through the specification of a protocol for
interaction between the two parties.  The protocol supports the
transmission of requests from the Subject, and corresponding
responses from the Issuer encompassing the actions of certificate
issuance, certificate revocation and certificate status information
reports.  This protocol is intended to be limited to the application
of resource certificate management and is not intended to be used as
part of a more general certificate management framework.

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From turners@ieca.com  Mon Nov  8 19:05:00 2010
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Subject: Re: [sidr] WG LC for draft-ietf-sidr-ta-05
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On 11/6/2010 4:15 AM, Sandra Murphy wrote:
> On 14 September, Chris Morrow, with wg fedora on, said of
> draft-ietf-sidr-ta-04:
>
>> Unless there are complaints about this, please get a last rev in
>> before Bejing so it can start LC just before the meeting.
>
> The authors have submitted a new version
> (http://tools.ietf.org/html/draft-ietf-sidr-ta-05) and have requested a
> working group last call.
>
> The chairs ask the working group to consider this draft and decide
> whether it is worthy of publication.
>
> Given that next week is IETF week, the last call will end 26 November.

I have read the -06 draft and support progressing it down the 
publication path.  I sent a couple of editorial nits sent to authors.

spt

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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           : A Profile for Route Origin Authorizations (ROAs)
	Author(s)       : M. Lepinski, et al.
	Filename        : draft-ietf-sidr-roa-format-09.txt
	Pages           : 9
	Date            : 2010-11-08

This document defines a standard profile for Route Origin
Authorizations (ROAs).  A ROA is a digitally signed object that
provides a means of verifying that an IP address block holder has
authorized an Autonomous System (AS) to originate routes to that one
or more prefixes within the address block.

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From mlepinski@bbn.com  Mon Nov  8 22:18:17 2010
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You may have noticed that two new version of ROA-Format were posted in 
the drafts registry in the past 24 hours.

draft-ietf-sidr-roa-format-08

-- This is the version of roa-format that was posted to the SIDR mailing 
list back in September
-- In particular, this is the first (quite short) version of the 
document that references the signed-object profile
-- I attempted to submit this into the draft repository around the time 
that I posted it to the list, but  I carelessly messed up the submission 
without noticing


draft-ietf-sidr-roa-format-09

-- This is a new version of roa-format that incorporates some helpful 
comments that we received on the -08 version of the draft (since it was 
posted to the SIDR list, some people read it)
-- The authors have asked the working group chairs to WGLC the -09 
version of the draft


From achi@bbn.com  Mon Nov  8 22:22:29 2010
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On 11/8/2010 8:53 PM, Tim Bruijnzeels wrote:
>
> Unfortunately I could not be here in time for the Saturday hackaton.
>
> I am very interested to compare results. I can do the testing using our
> (RIPE NCC) command line validation tool. It's not a full fledged
> backgrounding, caching, rpki-rtr speaking validator, but it should be
> able to deal with ad-hoc top-down and bottom-up validation.
>
> I can make time Wednesday 4pm, but prefer Thursday any time after the
> sidr session. (was planning to go see the forbidden city or maybe even
> great wall tomorrow).
>

Thursday after the SIDR session would be great.  Let's do it then.

The validation is the part I'm interested in comparing (our RTR code is 
only lightly tested).

-Andrew


From turners@ieca.com  Tue Nov  9 18:47:53 2010
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Subject: Re: [sidr] I-D Action:draft-ietf-sidr-roa-format-09.txt
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On 11/9/2010 2:00 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           : A Profile for Route Origin Authorizations (ROAs)
> 	Author(s)       : M. Lepinski, et al.
> 	Filename        : draft-ietf-sidr-roa-format-09.txt
> 	Pages           : 9
> 	Date            : 2010-11-08
>
> This document defines a standard profile for Route Origin
> Authorizations (ROAs).  A ROA is a digitally signed object that
> provides a means of verifying that an IP address block holder has
> authorized an Autonomous System (AS) to originate routes to that one
> or more prefixes within the address block.
>
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-ietf-sidr-roa-format-09.txt
>
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>
> Below is the data which will enable a MIME compliant mail reader
> implementation to automatically retrieve the ASCII version of the
> Internet-Draft.

As long as the two get addressed before IETF LC, I think that this 
document is ready to progress out of the WG.  The third is editorial and 
left to the discretion of the authors.

#1: Need and ASN.1 module like the sidr-manifest draft.

#2: Refer to 6019 vice 4049. 6019 obsoleted 4049.

#3: (editorial)

OLD:

The right of the ROA signer to authorize the target AS to originate 
routes to the prefix(es) is established through use of the address space 
and AS number PKI described in [ARCH]. Specifically one MUST verify the 
signature on the ROA using an X.509 certificate issued under this PKI, 
and check that the prefix(es) in the ROA match those in the address 
space extension in the certificate.

NEW:

The right of the ROA signer to authorize the target AS to originate 
routes to the prefix(es) is established through use of the address space 
and AS number in RPKI certificates as described in [ARCH]. Specifically 
one MUST verify the signature on the ROA using an RPKI certificate, and 
check that the prefix(es) in the ROA match those in the address space 
extension in the certificate.

spt

From tim@ripe.net  Tue Nov  9 21:29:06 2010
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Subject: Re: [sidr] testbed sprint sat before ietf
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On 11/9/10 2:22 PM, Andrew Chi wrote:
> On 11/8/2010 8:53 PM, Tim Bruijnzeels wrote:
>>
>> Unfortunately I could not be here in time for the Saturday hackaton.
>>
>> I am very interested to compare results. I can do the testing using our
>> (RIPE NCC) command line validation tool. It's not a full fledged
>> backgrounding, caching, rpki-rtr speaking validator, but it should be
>> able to deal with ad-hoc top-down and bottom-up validation.
>>
>> I can make time Wednesday 4pm, but prefer Thursday any time after the
>> sidr session. (was planning to go see the forbidden city or maybe even
>> great wall tomorrow).
>>
> 
> Thursday after the SIDR session would be great.  Let's do it then.
> 
> The validation is the part I'm interested in comparing (our RTR code is
> only lightly tested).
>

Great I will be there. I have until 3:30 pm but don't need a lot of time
for lunch. So I can be there 12:30 - 3:30. I expect this should give us
enough time to do some testing and arrange for possible follow-ups.

See you tomorrow

Tim

> -Andrew
> 


From achi@bbn.com  Wed Nov 10 08:00:11 2010
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In order to test our RPKI relying party software, we generated a testbed 
with a large number of files.  Feel free to run against this, though we 
will change and add to it fairly regularly in the coming weeks.

rsync://rpki.bbn.com/rpki/root.cer

Nominal counts at the time of this email:
CA certs: 2006
CRLs: 2006
ROAs: 10005
Manifests: 2006

Bug reports, comments, and questions are most welcome.

-Andrew


From Sandra.Murphy@cobham.com  Wed Nov 10 08:54:59 2010
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Can you say a bit more about how you generated this test data?

--Sandy, as wg member only


On Wed, 10 Nov 2010, Andrew Chi wrote:

> In order to test our RPKI relying party software, we generated a testbed with 
> a large number of files.  Feel free to run against this, though we will 
> change and add to it fairly regularly in the coming weeks.
>
> rsync://rpki.bbn.com/rpki/root.cer
>
> Nominal counts at the time of this email:
> CA certs: 2006
> CRLs: 2006
> ROAs: 10005
> Manifests: 2006
>
> Bug reports, comments, and questions are most welcome.
>
> -Andrew
>
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
>

From Sandra.Murphy@cobham.com  Wed Nov 10 12:06:04 2010
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Subject: Re: [sidr] request for jabber scribe and minute taker
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I have had exactly one response to this request from someone who prefers 
to be a co-minute taker.  So another minute taker volunteer would be good 
(and might be lighter duty for having the buddy).

For remote folk, a jabber scribe is very useful.  Please consider 
volunteering to scribe.

--Sandy


On Mon, 8 Nov 2010, Sandra Murphy wrote:

> We need a jabber scribe and a minute taker for the sidr meeting Thursday 
> morning.
>
> I'm looking for volunteers.  If you can do one of those functions, please 
> email me.
>
> --Sandy, wg co-chair beanie on
>
>
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
>

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From: Geoff Huston <gih@apnic.net>
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Subject: [sidr] WG Last Call Request for draft-ietf-sidr-roa-validation-10
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Hi,

We've revised this draft as per the informal poll of the WG in today's =
SIDR meeting regarding the text concerning a "origin AS" when the =
AS_PATH contain as AS_SET path element.

We request the chairs to conduct a WG Last Call for this draft.

thanks

   Geoff & George




On 11/11/2010, at 1:07 PM, IETF I-D Submission Tool wrote:

>=20
> A new version of I-D, draft-ietf-sidr-roa-validation-10.txt has been =
successfully submitted by Geoff Huston and posted to the IETF =
repository.
>=20
> Filename:	 draft-ietf-sidr-roa-validation
> Revision:	 10
> Title:		 Validation of Route Origination using the =
Resource Certificate PKI and ROAs
> Creation_date:	 2010-11-11
> WG ID:		 sidr
> Number_of_pages: 10
>=20
> Abstract:
> This document defines the semantics of a Route Origin Authorization
> (ROA) in terms of the context of an application of the Resource
> Public Key Infrastructure to validate the origination of routes
> advertised in the Border Gateway Protocol.
>=20
>=20
>=20
> The IETF Secretariat.
>=20
>=20

--

Geoff Huston
Chief Scientist, APNIC

+61 7 3858 3100
gih@apnic.net





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--NextPart

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           : Validation of Route Origination using the Resource Certificate PKI and ROAs
	Author(s)       : G. Huston, G. Michaelson
	Filename        : draft-ietf-sidr-roa-validation-10.txt
	Pages           : 10
	Date            : 2010-11-10

This document defines the semantics of a Route Origin Authorization
(ROA) in terms of the context of an application of the Resource
Public Key Infrastructure to validate the origination of routes
advertised in the Border Gateway Protocol.

A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-sidr-roa-validation-10.txt

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Subject: [sidr] proposed edits for Ghostbusters
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This pdf captures proposed edits to this I-D.  A text version is also 
attached, for Randy
--============_-922677598==_============
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Network Working Group                                            R. Bush
Internet-Draft                                                       IIJ
Intended status: Standards Track                        November 8, 2010
Expires: May 12, 2011


                       The RPKI Ghostbusters Record
                        draft-ymbk-ghostbusters-01

Abstract

    In the Resource Public Key Infrastructure (RPKI), resource
    certificates completely obscure names or any other information which
    might be useful for contacting responsible parties to deal with
    issues of certificate expiration, maintenance, roll-overs,
    compromises, etc.  This draft describes the RPKI Ghostbusters Record
    containing human contact information to be signed (indirectly) by a
    resource-owning certificate.  The data in the record are those of a
    severely profiled vCARD.

Requirements Language

    The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
    "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
    document are to be interpreted as described in RFC 2119 [RFC2119].

Status of this Memo

    This Internet-Draft is submitted in full conformance with the
    provisions of BCP 78 and BCP 79.  This document may not be modified,
    and derivative works of it may not be created, and it may not be
    published except as an Internet-Draft.

    Internet-Drafts are working documents of the Internet Engineering
    Task Force (IETF).  Note that other groups may also distribute
    working documents as Internet-Drafts.  The list of current Internet-
    Drafts is at http://datatracker.ietf.org/drafts/current/.

    Internet-Drafts are draft documents valid for a maximum of six months
    and may be updated, replaced, or obsoleted by other documents at any
    time.  It is inappropriate to use Internet-Drafts as reference
    material or to cite them other than as "work in progress."

    This Internet-Draft will expire on May 12, 2011.

Copyright Notice

    Copyright (c) 2010 IETF Trust and the persons identified as the



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    document authors.  All rights reserved.

    This document is subject to BCP 78 and the IETF Trust's Legal
    Provisions Relating to IETF Documents
    (http://trustee.ietf.org/license-info) in effect on the date of
    publication of this document.  Please review these documents
    carefully, as they describe your rights and restrictions with respect
    to this document.  Code Components extracted from this document must
    include Simplified BSD License text as described in Section 4.e of
    the Trust Legal Provisions and are provided without warranty as
    described in the Simplified BSD License.


Table of Contents

    1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . . 3
    2.  Suggested Reading . . . . . . . . . . . . . . . . . . . . . . . 3
    3.  RPKI Ghostbuster Record Payload Example . . . . . . . . . . . . 3
    4.  vCARD Profile . . . . . . . . . . . . . . . . . . . . . . . . . 4
    5.  CMS Packaging . . . . . . . . . . . . . . . . . . . . . . . . . 5
    6.  Validation  . . . . . . . . . . . . . . . . . . . . . . . . . . 5
    7.  Security Considerations . . . . . . . . . . . . . . . . . . . . 5
    8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 6
    9.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . 6
    10. References  . . . . . . . . . . . . . . . . . . . . . . . . . . 6
      10.1.  Normative References . . . . . . . . . . . . . . . . . . . 6
      10.2.  Informative References . . . . . . . . . . . . . . . . . . 6
    Author's Address  . . . . . . . . . . . . . . . . . . . . . . . . . 7























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1.  Introduction

    In the operational use of the RPKI it can become necessary to
    contact, human to human, the party responsible for a resource-owning
    certificate.  The primary example of this need is when the signer of a
    Route Origin Authorizations (ROA) detects a problem (or an 
impending problem) with a certificate or CRL in the path between the 
ROA issuer and a trust anchor. For example, a CA certificate along 
that path has expired(or is about to expire) or a CRL associated with 
a CA along the path is stale.
These sorts of problems can prevent the ROA in question from being 
accepted, and thus place in jeopardy routing to the address space 
covered by the ROA.

    As the names in RPKI certificates are intentionally not human 
meaningful, e.g., a hash of a public key, see [I-D.ietf-sidr-cp], 
there is no way to use the certificate itself to identify the 
maintainer of the offending certificate or CRL.  So, "Who do you 
call?"

    This document specifies the RPKI Ghostbusters Record. It is a 
signed object that conforms to the syntax defined in 
[I-D.achi-rpki-signed-object]. The record is verified using an EE 
certificate issued by the same CA that issued the EE certificate that 
is used to verify the ROA in question.  The Ghostbusters record 
provides human-usable contact information for the maintainer of the 
RPKI data with which it is associated.

    Note that this record is not an identity certificate, but an
    attestation to the contact data made by the issuer of the EE
    certificate associated with the Ghostbusters record.

    This record is not meant to supplant or be used as resource registry
    whois data.  It gives information about a maintainer of a 
repository publication point, not
    a resource holder.

    This specification has three main sections.  The first, Section 4, is
    the format of the contact payload information, a severely profiled
    vCARD.  The second, Section 5, profiles the packaging of the payload
    as a profile of the RPKI Signed Object Template specification
    [I-D.achi-rpki-signed-object].  The third, Section 6, describes the
    proper validation of the signed Ghostbusters Record.


2.  Suggested Reading

    It is assumed that the reader understands the RPKI
    [I-D.ietf-sidr-arch], the RPKI Repository Structure
    [I-D.ietf-sidr-repos-struct], Signed RPKI Objects
    [I-D.achi-rpki-signed-object], and vCARDS [RFC2426].


3.  RPKI Ghostbusters Record Payload Example

    An example of an RPKI Ghostbusters Record payload with all fields



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    populated is as follows:

      BEGIN:vCard
      VERSION:3.0
      FN:Human's Name
      ORG:Organizational Entity
      ADR;TYPE=WORK:;;42 Twisty Passage;Deep Cavern; WA; 98666;U.S.A.
      TEL;TYPE=VOICE,MSG,WORK:+1-666-555-1212
      TEL;TYPE=FAX,WORK:+1-666-555-1213
      EMAIL;TYPE=INTERNET:human@example.com
      END:vCard


4.  vCARD Profile

    The goal in profiling the vCARD is not to include as much information
    as possible, but rather to include as few fields as possible while
    providing the minimal necessary data to enable one to contact the
    maintainer of the RPKI data which threatens the ROA[s] of concern.

    The Ghostbusters vCARD payload is a minimalist subset of the vCARD as
    described in [RFC2426].

    BEGIN -  pro forma packaging which MUST be the first line in the
       vCARD and MUST have the value "BEGIN:vCARD" as described in
       [RFC2426].

    VERSION -  pro forma packaging which MUST be the second line in the
       vCARD and MUST have the value "VERSION:3.0" as described in 3.6.9
       of [RFC2426].

    FN -  the name, as described in 3.1.1 of [RFC2426], of a contactable
       person who responsible for the certificate.

    ORG -  an organization as described in 3.5.5 of [RFC2426].

    ADR -  a postal address as described in 3.2.1 of [RFC2426].

    TEL -  a voice and/or fax phone as described in 3.3.1 of [RFC2426].

    EMAIL -  an Email address as described in 3.3.2 of [RFC2426]

    END -  pro forma packaging which MUST be the last line in the vCARD
       and MUST have the value "END:vCARD" as described in [RFC2426].

    The BEGIN, VERSION, and END lines MUST be included in a record.  To
    be useful, FN and one or more of ADR, TEL, and EMAIL SHOULD be
    included.



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5.  CMS Packaging

    The Ghostbusters Record is a CMS signed-data object conforming to the
    RPKI Signed Data Object Template, [I-D.achi-rpki-signed-object].

    The ASN.1 for the ContentType is as follows:

        rPKIGhostbusters ::= SEQUENCE {
               Version       [0] INTEGER DEFAULT 0,
               vCard         VCARD}

        VCARD            ::= PrintableString

    The ContentType of a Ghostbusters Record is defined as
    rpkiGhostbusters, and has the numerical value of TO BE ASSIGNED.
    This OID MUST appear both within the eContentType in the
    encapContentInfo object as well as the ContentType signed attribute
    in the signerInfo object.  See [I-D.achi-rpki-signed-object].

    eContent: The content of a Ghostbusters Record is described above in
    Section 4 above.

    Like a ROA, the Ghostbusters Record is verified using an
    end-entity certificate issued under the CA certificate associated 
with the resource-
    holding certificate whose maintainer is described in the vCARD. 
Specifically, the EE certificate used to verify this record is the 
one that appears in the CMS data structure that contains the payload 
defined above.


6.  Validation

    The validation procedure defined in Section 3 of
    [I-D.achi-rpki-signed-object] is applied to a Ghostbusters Record.
    After this procedure has been performed, the Version number field
    within the payload is checked, and the OCTET STRING containing the
    vCARD data is extracted.  These data are checked against the profile
    defined in Section 4 of this document.  Only if all of these checks
    pass is the Ghostbusters payload deemed valid and made available to
    the application that requested the payload.


7.  Security Considerations

    Though there is no on the wire protocol in this specification, there
    are attacks which could abuse the data described.  As the data, to be
    useful, need to be public, little can be done to avoid this exposure.







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    Phone Numbers:  The vCARDs may contain real world telephone numbers
       which could be abused for telemarketing, abusive calls, etc.

    Email Addresses:  The vCARDs may contain Email addresses which could
       be abused for purpases of spam.

    Relying parties are warned that the data in a Ghostbusters Record are
    self-asserted.  These data have not been verified by the CA that
    issued a (CA) certificate to the entity that issued the EE
    certificate used to validate the Ghostbusters Record.


8.  IANA Considerations

    This document has no IANA Considerations.


9.  Acknowledgments

    The author wishes to thank Russ Housley for suggesting profiling the
    vCARD specification, the authors of [I-D.achi-rpki-signed-object],
    and particularly Stephen Kent.


10.  References

10.1.  Normative References

    [I-D.achi-rpki-signed-object]
               Lepinski, M., Chi, A., and S. Kent, "Signed Object
               Template for the Resource Public Key Infrastructure",
               draft-achi-rpki-signed-object-00 (work in progress),
               August 2010.

    [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate
               Requirement Levels", BCP 14, RFC 2119, March 1997.

    [RFC2426]  Dawson, F. and T. Howes, "vCard MIME Directory Profile",
               RFC 2426, September 1998.

10.2.  Informative References

    [I-D.ietf-sidr-arch]
               Lepinski, M. and S. Kent, "An Infrastructure to Support
               Secure Internet Routing", draft-ietf-sidr-arch-11 (work in
               progress), September 2010.

    [I-D.ietf-sidr-cp]



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               Kent, S., Kong, D., Seo, K., and R. Watro, "Certificate
               Policy (CP) for the Resource PKI (RPKI",
               draft-ietf-sidr-cp-15 (work in progress), October 2010.

    [I-D.ietf-sidr-repos-struct]
               Huston, G., Loomans, R., and G. Michaelson, "A Profile for
               Resource Certificate Repository Structure",
               draft-ietf-sidr-repos-struct-05 (work in progress),
               October 2010.


Author's Address

    Randy Bush
    Internet Initiative Japan, Inc.
    5147 Crystal Springs
    Bainbridge Island, Washington  98110
    US

    Phone: +1 206 780 0431 x1
    Email: randy@psg.com






























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--============_-922677598==_============--

From gih@apnic.net  Wed Nov 10 19:22:05 2010
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From: Geoff Huston <gih@apnic.net>
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Hi,

I've revised this draft as per the feedback from the WG in today's SIDR =
meeting regarding text in the Security Considerations that notes that =
the protocol itself does not describe how a client and a server can =
"reset" the CMS signing time attribute value

Given that this addresses the WG comments from today's session. I'd like =
to request the chairs to conduct a WG Last Call for this draft.

thanks

   Geoff & Byron


Begin forwarded message:

> From: IETF I-D Submission Tool <idsubmission@ietf.org>
> Date: 11 November 2010 2:16:44 PM AEDT
> To: gih@apnic.net
> Cc: robertl@apnic.net,bje@apnic.net,sra@isc.org
> Subject: New Version Notification for =
draft-ietf-sidr-rescerts-provisioning-09=20
>=20
>=20
> A new version of I-D, draft-ietf-sidr-rescerts-provisioning-09.txt has =
been successfully submitted by Geoff Huston and posted to the IETF =
repository.
>=20
> Filename:	 draft-ietf-sidr-rescerts-provisioning
> Revision:	 09
> Title:		 A Protocol for Provisioning Resource =
Certificates
> Creation_date:	 2010-11-11
> WG ID:		 sidr
> Number_of_pages: 31
>=20
> Abstract:
> This document defines a framework for certificate management
> interactions between a resource issuer ("Issuer") and a resource
> recipient ("Subject") through the specification of a protocol for
> interaction between the two parties.  The protocol supports the
> transmission of requests from the Subject, and corresponding
> responses from the Issuer encompassing the actions of certificate
> issuance, certificate revocation and certificate status information
> reports.  This protocol is intended to be limited to the application
> of resource certificate management and is not intended to be used as
> part of a more general certificate management framework.
>=20
>=20
>=20
> The IETF Secretariat.
>=20
>=20

--

Geoff Huston
Chief Scientist, APNIC

+61 7 3858 3100
gih@apnic.net





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On 11/11/2010, at 11:22 AM, Geoff Huston wrote:

> Hi,
>=20
> I've revised this draft as per the feedback from the WG in today's =
SIDR meeting regarding text in the Security Considerations that notes =
that the protocol itself does not describe how a client and a server can =
"reset" the CMS signing time attribute value
>=20
> Given that this addresses the WG comments from today's session. I'd =
like to request the chairs to conduct a WG Last Call for this draft.
>=20
> thanks
>=20
>   Geoff & Byron
>=20


I support this WGLC.

-george=

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--NextPart

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           : A Protocol for Provisioning Resource Certificates
	Author(s)       : G. Huston, et al.
	Filename        : draft-ietf-sidr-rescerts-provisioning-09.txt
	Pages           : 31
	Date            : 2010-11-10

This document defines a framework for certificate management
interactions between a resource issuer ("Issuer") and a resource
recipient ("Subject") through the specification of a protocol for
interaction between the two parties.  The protocol supports the
transmission of requests from the Subject, and corresponding
responses from the Issuer encompassing the actions of certificate
issuance, certificate revocation and certificate status information
reports.  This protocol is intended to be limited to the application
of resource certificate management and is not intended to be used as
part of a more general certificate management framework.

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From andrei@ripe.net  Wed Nov 10 21:08:12 2010
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Subject: Re: [sidr] WG Last Call request for	draft-ietf-sidr-rescerts-provisioning-09
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I support the WG LC.

Andrei

Geoff Huston wrote on 11/11/10 4:22 AM:
> Hi,
> 
> I've revised this draft as per the feedback from the WG in today's SIDR meeting regarding text in the Security Considerations that notes that the protocol itself does not describe how a client and a server can "reset" the CMS signing time attribute value
> 
> Given that this addresses the WG comments from today's session. I'd like to request the chairs to conduct a WG Last Call for this draft.
> 
> thanks
> 
>    Geoff & Byron
> 
> 
> Begin forwarded message:
> 
>> From: IETF I-D Submission Tool <idsubmission@ietf.org>
>> Date: 11 November 2010 2:16:44 PM AEDT
>> To: gih@apnic.net
>> Cc: robertl@apnic.net,bje@apnic.net,sra@isc.org
>> Subject: New Version Notification for draft-ietf-sidr-rescerts-provisioning-09 
>>
>>
>> A new version of I-D, draft-ietf-sidr-rescerts-provisioning-09.txt has been successfully submitted by Geoff Huston and posted to the IETF repository.
>>
>> Filename:	 draft-ietf-sidr-rescerts-provisioning
>> Revision:	 09
>> Title:		 A Protocol for Provisioning Resource Certificates
>> Creation_date:	 2010-11-11
>> WG ID:		 sidr
>> Number_of_pages: 31
>>
>> Abstract:
>> This document defines a framework for certificate management
>> interactions between a resource issuer ("Issuer") and a resource
>> recipient ("Subject") through the specification of a protocol for
>> interaction between the two parties.  The protocol supports the
>> transmission of requests from the Subject, and corresponding
>> responses from the Issuer encompassing the actions of certificate
>> issuance, certificate revocation and certificate status information
>> reports.  This protocol is intended to be limited to the application
>> of resource certificate management and is not intended to be used as
>> part of a more general certificate management framework.
>>
>>
>>
>> The IETF Secretariat.
>>
>>
> 
> --
> 
> Geoff Huston
> Chief Scientist, APNIC
> 
> +61 7 3858 3100
> gih@apnic.net
> 
> 
> 
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 

From achi@bbn.com  Thu Nov 11 02:35:39 2010
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Subject: Re: [sidr] BBN's trust anchor
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On 11/10/2010 11:55 AM, Sandra Murphy wrote:
> Can you say a bit more about how you generated this test data?

Sure.  This purpose of this testbed is to make sure BBN's validator is 
(1) correct and (2) fast enough to handle ~300,000 objects.  Our testbed 
generation software automatically constructs one or more statistically 
realistic repositories, based on current counts for RPKI certificates, 
CRLs, ROAs, and manifests.

We are *not* running up/down software.  However, creating parent-child 
relationships in a top-down manner necessarily requires us to carry out 
similar request/suballocation actions in memory.

The input to our testbed is a specification file that defines (1) the 
resources of the trust anchor, (2) a number of CA types and the *amount* 
of resources assigned to each type, and (3) the parent-child 
relationships + branching factors.

For example (this isn't the exact format and there are more fields, but 
it gives you the main idea):

[IANA]
ipv4resources = 0/0
ipv6resources = ::/0
asresources = 1-4294967295
children = 5 * RIR, 1 * MISC

[RIR]
ipv4resources = /8, /8, /8, /23, range(129)...
ipv6resources = /64, /64, /96, ...
asresources = 10, 3, 78, ...
children = 6 * NIR, 200 * LIR, 1 * ROA_TYPE1

[NIR]
ipv4resources = ...
ipv6resources = ...
asresources = ...
children = 100 * LIR, 1 * ROA_TYPE1

[LIR]
ipv4resources = ...
ipv6resources = ...
asresources = ...
children = 3 * ROA_TYPE1, 4 * ROA_TYPE2

[ROA_TYPE1]
...

[ROA_TYPE2]
...

The testbed generation program starts from the trust anchor and 
recursively builds an RPKI hierarchy (suballocates resources and 
instantiates children), based on the counts and resources defined above. 
  There can be an arbitrary number of sections, so as we get more 
information about how many CAs/resources are out there, we can build a 
better simulation of reality.

Currently, the ~12,000 objects at rpki.bbn.com are all valid, and the 
BBN validator can process them in under 5 minutes.  However, we will be 
scaling to ~300,000 in the next few weeks as well as hand-constructing 
some error cases such as data mismatch, stale CRL/manifest, out-of-order 
certificate arrival, and directory being updated in the middle of an rsync.

-Andrew


From achi@bbn.com  Thu Nov 11 02:52:12 2010
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Subject: Re: [sidr] BBN's trust anchor
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Btw, thanks to Rob Austein who generated a trust anchor locator for us 
(*.ita).  It's published on his web page containing lots of current 
trust anchors:

http://subvert-rpki.hactrn.net/rcynic/sample-trust-anchors

-Andrew


From Sandra.Murphy@cobham.com  Thu Nov 11 09:44:20 2010
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From: Sandra Murphy <sandy@sparta.com>
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Subject: Re: [sidr] BBN's trust anchor
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Thanks for all the info, Andrew.

On Thu, 11 Nov 2010, Andrew Chi wrote:

> On 11/10/2010 11:55 AM, Sandra Murphy wrote:
>> Can you say a bit more about how you generated this test data?
>
> Sure.  This purpose of this testbed is to make sure BBN's validator is (1) 
> correct and (2) fast enough to handle ~300,000 objects.  Our testbed 
> generation software automatically constructs one or more statistically 
> realistic repositories, based on current counts for RPKI certificates, CRLs, 
> ROAs, and manifests.

What's your idea of when the software would be validating all 300K entries 
at once, and would need to do so quickly?

>
> We are *not* running up/down software.  However, creating parent-child 
> relationships in a top-down manner necessarily requires us to carry out 
> similar request/suballocation actions in memory.
>
> The input to our testbed is a specification file that defines (1) the 
> resources of the trust anchor, (2) a number of CA types and the *amount* of 
> resources assigned to each type, and (3) the parent-child relationships + 
> branching factors.

CA "types"??

--Sandy



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Subject: [sidr] Top-Down vs Laissez-faire algorithm transition model.
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Dear WG,

At the Maastricht meeting, we recommended the WG to adopt the top-down =
approach for the algorithm transition document. At that time, the WG =
directed us to try the Laissez-Faire model.

At yesterday's meeting, after further analysis on impact of that =
decision and changes needed to existing protocols, the consensus was to =
reverse that position and adopt only the Top-Down model.

I am planning to write a new (and simplified) version of the document =
using the Top-Down model. If there is anyone that objects this change, =
please speak-up.

Regards,
Roque.=

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From kent@bbn.com  Mon Nov 15 07:11:01 2010
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Date: Mon, 15 Nov 2010 04:21:09 -0500
To: Sandra Murphy <sandy@sparta.com>
From: Stephen Kent <kent@bbn.com>
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Subject: Re: [sidr] BBN's trust anchor
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At 12:44 PM -0500 11/11/10, Sandra Murphy wrote:
>Thanks for all the info, Andrew.
>
>On Thu, 11 Nov 2010, Andrew Chi wrote:
>
>>On 11/10/2010 11:55 AM, Sandra Murphy wrote:
>>>Can you say a bit more about how you generated this test data?
>>
>>Sure.  This purpose of this testbed is to make sure BBN's validator 
>>is (1) correct and (2) fast enough to handle ~300,000 objects.  Our 
>>testbed generation software automatically constructs one or more 
>>statistically realistic repositories, based on current counts for 
>>RPKI certificates, CRLs, ROAs, and manifests.
>
>What's your idea of when the software would be validating all 300K 
>entries at once, and would need to do so quickly?,

If an RTP looses state it will need to download and process all the RPKI
data.

Steve

From Sandra.Murphy@cobham.com  Mon Nov 15 07:29:32 2010
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From: Sandra Murphy <sandy@sparta.com>
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Subject: Re: [sidr] BBN's trust anchor
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On Mon, 15 Nov 2010, Stephen Kent wrote:

> At 12:44 PM -0500 11/11/10, Sandra Murphy wrote:
>> Thanks for all the info, Andrew.
>> 
>> On Thu, 11 Nov 2010, Andrew Chi wrote:
>> 
>>> On 11/10/2010 11:55 AM, Sandra Murphy wrote:
>>>> Can you say a bit more about how you generated this test data?
>>> 
>>> Sure.  This purpose of this testbed is to make sure BBN's validator is (1) 
>>> correct and (2) fast enough to handle ~300,000 objects.  Our testbed 
>>> generation software automatically constructs one or more statistically 
>>> realistic repositories, based on current counts for RPKI certificates, 
>>> CRLs, ROAs, and manifests.
>> 
>> What's your idea of when the software would be validating all 300K entries 
>> at once, and would need to do so quickly?,
>
> If an RTP looses state it will need to download and process all the RPKI
> data.

So at startup kind of events.  I get that.  But what is the "fast enough" 
part of Andrew's statement?  I speculated that this might mean "fast 
enough to avoid delaying any updates" but that seems a very strong goal.

--Sandy



>
> Steve
>

From achi@bbn.com  Mon Nov 15 07:59:31 2010
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On 11/15/2010 10:30 AM, Sandra Murphy wrote:
>
>
> On Mon, 15 Nov 2010, Stephen Kent wrote:
>
>>>> On 11/10/2010 11:55 AM, Sandra Murphy wrote:
>>>
>>> What's your idea of when the software would be validating all 300K
>>> entries at once, and would need to do so quickly?,
>>
>> If an RTP looses state it will need to download and process all the RPKI
>> data.
>
> So at startup kind of events. I get that. But what is the "fast enough"
> part of Andrew's statement? I speculated that this might mean "fast
> enough to avoid delaying any updates" but that seems a very strong goal.
>

I think there are two aspects to "fast enough".

1) The "startup" cost of downloading and processing all RPKI data needs 
to be on the order of hours and not days.

2) The "update" cost of synchronizing changes to the repository must not 
cause the validator to fall behind the rate of change in the repository. 
  I.e., once we have a large collection of objects, is the 
slightly-increased marginal cost of modifying one file within acceptable 
limits?

I believe our RP software is well within these goals, but it's always 
good to test scalability assumptions like these.

As for the 300K estimate, I'm happy to be corrected, but the order of 
magnitude ought to be similar to:

(# AS's participating in BGP routing) x (small multiplier for crls, 
manifest, and tree structure)

In October 2009, RIPE published an AS count of 15,495.  If anyone else 
has better numbers, please feel free to chime in.

-Andrew


From randy@psg.com  Mon Nov 15 08:11:36 2010
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Subject: Re: [sidr] BBN's trust anchor
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> 1) The "startup" cost of downloading and processing all RPKI data needs 
> to be on the order of hours and not days.

no, it has to be minutes not hours

> As for the 300K estimate, I'm happy to be corrected, but the order of 
> magnitude ought to be similar to:
> 
> (# AS's participating in BGP routing) x (small multiplier for crls, 
> manifest, and tree structure)

plus roas (300k now, 1m soon enough), plus ghostbusters (o(certs))

randy

From ggm@apnic.net  Mon Nov 15 08:12:00 2010
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Subject: Re: [sidr] BBN's trust anchor
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On 15/11/2010, at 5:00 PM, Andrew Chi wrote:


>=20
> I think there are two aspects to "fast enough".
>=20
> 1) The "startup" cost of downloading and processing all RPKI data =
needs to be on the order of hours and not days.
>=20
> 2) The "update" cost of synchronizing changes to the repository must =
not cause the validator to fall behind the rate of change in the =
repository.  I.e., once we have a large collection of objects, is the =
slightly-increased marginal cost of modifying one file within acceptable =
limits?
>=20
> I believe our RP software is well within these goals, but it's always =
good to test scalability assumptions like these.
>=20
> As for the 300K estimate, I'm happy to be corrected, but the order of =
magnitude ought to be similar to:
>=20
> (# AS's participating in BGP routing) x (small multiplier for crls, =
manifest, and tree structure)
>=20
> In October 2009, RIPE published an AS count of 15,495.  If anyone else =
has better numbers, please feel free to chime in.
>=20
> -Andrew
>=20

Your thinking models my assumptions.

I did a tree of around 30,000 objects. This was based on a distribution =
of the resource pool to the entity count I saw from delegated files, =
bearing in mind the number of ASN.

But, because we have split roots, and each RIR has to cross authenticate =
for ERX (historical) data, I made substate for my modelled clients that =
made them hold a distribution of resource under multiple chains, some =
from their 'main' RIR, and some from other RIR via indirect chains.

I didn't do roa. they didn't exist in code at the time they would have =
added 10-20,000 more objects. Likewise manifests.

So my total size was 30k, but it would have been of the order 100k once =
I add in what we have now as required structure.

I also did sqldb for indexing. It makes things much faster to have =
direct index to SKI, AKI, date/age and valid/invalid state flags.=20

I last ran this around June 2007 btw.

cheers

-george




From Sandra.Murphy@cobham.com  Mon Nov 15 08:31:20 2010
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Subject: Re: [sidr] BBN's trust anchor
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On Mon, 15 Nov 2010, George Michaelson wrote:

>
> On 15/11/2010, at 5:00 PM, Andrew Chi wrote:
>
>
>>
>> I think there are two aspects to "fast enough".
>>
>> 1) The "startup" cost of downloading and processing all RPKI data needs to be on the order of hours and not days.
>>
>> 2) The "update" cost of synchronizing changes to the repository must not cause the validator to fall behind the rate of change in the repository.  I.e., once we have a large collection of objects, is the slightly-increased marginal cost of modifying one file within acceptable limits?
>>
>> I believe our RP software is well within these goals, but it's always good to test scalability assumptions like these.
>>
>> As for the 300K estimate, I'm happy to be corrected, but the order of magnitude ought to be similar to:
>>
>> (# AS's participating in BGP routing) x (small multiplier for crls, manifest, and tree structure)
>>
>> In October 2009, RIPE published an AS count of 15,495.  If anyone else has better numbers, please feel free to chime in.
>>
>> -Andrew
>>
>
> Your thinking models my assumptions.
>
> I did a tree of around 30,000 objects. This was based on a distribution of the resource pool to the entity count I saw from delegated files, bearing in mind the number of ASN.
>
> But, because we have split roots, and each RIR has to cross authenticate for ERX (historical) data, I made substate for my modelled clients that made them hold a distribution of resource under multiple chains, some from their 'main' RIR, and some from other RIR via indirect chains.
>
> I didn't do roa. they didn't exist in code at the time they would have added 10-20,000 more objects. Likewise manifests.
>
> So my total size was 30k, but it would have been of the order 100k once I add in what we have now as required structure.
>
> I also did sqldb for indexing. It makes things much faster to have direct index to SKI, AKI, date/age and valid/invalid state flags.
>
> I last ran this around June 2007 btw.

Can you share the results?

--Sandy

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

From ggm@apnic.net  Mon Nov 15 08:36:44 2010
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Subject: Re: [sidr] BBN's trust anchor
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On 15/11/2010, at 5:31 PM, Sandra Murphy wrote:

>>=20
>> I last ran this around June 2007 btw.
>=20
> Can you share the results?
>=20
> --Sandy
>=20

Nothing formal written up sandy.

And, Randy is right. the size of the datapool is not my 'bang all =
resources in one roa' but the total number of discrete routes in the BGP =
cloud: if you fold them all into one uber ROA you fate share the age =
date of the resources. And, not all resources lie under one cert chain =
anyway so you wind up unable to combine them into one cert.

So, the experience of a 30k tree won't inform the 300,000 tree, or the =
million-tree. Not enough.

The churn rate is a function of several things, every CRL is updated, as =
is a manifest, each cycle time. So, there are many non-ROA objects =
changing.

No manifests or Roas in my testbed.

But, on the plus side, rsync is pretty quick.=20

-G


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On 11/11/2010 12:44 PM, Sandra Murphy wrote:
>> The input to our testbed is a specification file that defines (1) the
>> resources of the trust anchor, (2) a number of CA types and the
>> *amount* of resources assigned to each type, and (3) the parent-child
>> relationships + branching factors.
>
> CA "types"??

Sorry, unfortunate terminology.  Internally we call them "CA blueprints" 
or "CA factories".  In the RPKI, obviously nothing distinguishes an RIR 
CA cert from anyone else's CA cert.  However, for hierarchy generation 
purposes, there are significant differences between:

1. RIRs (they all have very different distributions of resources)
2. Large ISPs (a small number of these with a large amount of resources)
3. Small ISPs (a large number of these with few resources)

We model this by allowing the definition of an arbitrary number of 
blueprints for CAs and ROAs.  These blueprints do not contain specific 
resources ("110.35/16") but rather amounts of resources ("/16"). 
Blueprints also contain a list of pointers to other blueprints (for 
future children).

To instantiate a child CA, start from an already instantiated parent, 
suballocate the appropriate amount of resources as defined by the 
child's blueprint, and create/sign the appropriate child certificate. 
Then, take the child's "future children" blueprints (i.e. for 
grandchildren) and append to a todo list.  Process the todo list using 
the same procedure.

Clear as mud?

-Andrew


From kotikalapudi.sriram@nist.gov  Mon Nov 15 15:27:14 2010
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From: "Sriram, Kotikalapudi" <kotikalapudi.sriram@nist.gov>
To: Geoff Huston <gih@apnic.net>, "sidr@ietf.org wg" <sidr@ietf.org>
Date: Mon, 15 Nov 2010 18:27:36 -0500
Thread-Topic: [sidr] WG Last Call Request for draft-ietf-sidr-roa-validation-10
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Subject: Re: [sidr] WG Last Call Request for draft-ietf-sidr-roa-validation-10
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This comment applies to draft-ietf-sidr-roa-validation 
and also to draft-ietf-sidr-pfx-validate-00.

One additional question that I feel the origin validation algorithms need to consider is
as follows. Should there be a fourth Validation state added to the existing three?
1. Valid
2. Valid-i (Valid - imperfect; AS matches but max-length exceeded) -- proposed new state
3. Unknown (or Not Found)
4. Invalid

The rationale for the proposed additional state "Valid-i" is as follows.
Let us say a prefix owner has prefix 10.1.0.0/20 and also own AS1.
He has a ROA registered: {10.1.0.0/20, AS1, maxlength = 22},
and has announced 10.1.0.0/20 with origin AS = AS1. 
An adversary has AS2, and announces 10.1.0.0/23 with origin AS = AS2.
During partial deployment, the adversary's announcement gets
accepted in routing tables because potentially the /23 could be a suballocation
to a customer with AS2 that does not have a ROA yet.
The legitimate prefix owner detects that there is a hijack attempt,
and then announces 10.1.0.0/23 with origin AS = AS1
in order to recover quickly at least some of the traffic.
But both the hijack update of the adversary as well as the recovery
update of the legitimate prefix owner for 10.1.0.0/23 will be marked as "Invalid".
The legitimate prefix owner has no advantage over the hijacker!
I think this is not desirable. The origin AS in the recovery update
matches that in the ROA, except that the legitimate owner
has momentarily exceeded the maxlength in order to recover his hijacked subprefix.
If we introduce the additional validation state "Valid-i" as
described above, then this undue disadvantage for the legitimate
owner can be mitigated.
Routers will give higher preference for "Valid-i" over "Invalid"
and thus mitigate the problem stated above.
The same principles will apply if the legitimate prefix owner
wants to recover his traffic by announcing even more specific /24s. 

Sriram

> -----Original Message-----
> From: sidr-bounces@ietf.org [mailto:sidr-bounces@ietf.org] On Behalf Of Geoff Huston
> Sent: Wednesday, November 10, 2010 9:12 PM
> To: sidr@ietf.org wg
> Cc: sidr-chairs@tools.ietf.org
> Subject: [sidr] WG Last Call Request for draft-ietf-sidr-roa-validation-10
> 
> Hi,
> 
> We've revised this draft as per the informal poll of the WG in today's SIDR meeting
> regarding the text concerning a "origin AS" when the AS_PATH contain as AS_SET path
> element.
> 
> We request the chairs to conduct a WG Last Call for this draft.
> 
> thanks
> 
>    Geoff & George
> 

From mingui@huawei.com  Mon Nov 15 17:20:05 2010
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Subject: [sidr] To request your comments on the new draft
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Dear SIDR members,

A presentation for my draft was given on the SIDR meeting in IETF 79. It was
really appreciated that the SIDR working group gave me this opportunity. The
comments offered by the meeting attendees were valuable and helpful.

This draft is all about the security of BGP which is the mainstream of
Inter-Domain routing protocol today. This draft proposes a novel mitigation
scheme to protect the inter-domain data delivery during false routing
announcements. A new optional and transitive path attribute is defined to
Decouple propagation of a path and adoption of a path for data forwarding in
BGP (DBGP). DBGP does not use suspicious paths for data forwarding, but
still propagates them in the routing system to facilitate attack detection.
It can extensively protect data delivery from routing announcements of false
sub-prefixes, false origins, false nodes and false links, and works well
with ongoing attack detection and prevention systems.

Although the title of SIDR working group is called Secure Inter-Domain
Routing, all works are confined to the solutions based on PKI. I guess that
was why one attendee proposed that DBGP was not proper for SIDR working
group. I knew DBGP does not fit the traditional style of solutions in SIDR.
In fact, the draft was submitted to IDR. I gave presentation in SIDR since
there were experts on the security of BGP and we can get comments to help us
improve. Of course, if you ever thought that we should let in some fresh air
on securing inter-domain routing, I would love to be included. 

One attendee said that the introduction of new path attribute will certainly
increase the complexity of BGP, which will not appeal to the operators. The
design of DBGP is made to be as simple as possible. Only one optional path
attribute is added to the plain BGP. In addition, DBGP can be incrementally
deployed across the whole Internet. ISPs can make their own decision on
whether to adopt it or not. From the evaluation results, one can found that
with only a small deployment rate, a large proportion of ASes are protected
from being attacked. I heard that "draft-ietf-idr-add-paths-04.txt" had just
been accepted as an WG document in IETF 79. In this draft, a more complex
path attribute was devised.

The meeting minutes, the slides and the draft itself are all attached for
your information. Do you have additional comments, please send us emails.

Best Regards,
Mingui Zhang

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Q: Please go back to slide 7 please. X which is generating the bad =
prefix. This working group has been about, has been doing that, you =
know, doing that which is using the certificate PKI infrastructure to =
validate or invalidate a route. Could you go to you next slide please. =
And the propagation of bad information belongs to the work of the IDR =
working group.

A: Because our solution is based on plain BGP and we presume that PKI =
are not widely used in today's Internet. DBGP can collaborate with the =
solutions based on PKI together to protect the data delivery in BGP. =
Although the title of SIDR working group is called Secure Inter-Domain =
Routing, all works are confined to the solutions based on PKI. I guess =
that was why you propose that DBGP was not proper for SIDR working =
group. I knew DBGP does not fit the traditional style of solutions in =
SIDR. In fact, the draft was submitted to IDR. I gave presentation in =
SIDR since there were experts on the security of BGP and we can get =
comments to help us improve. Of course, if you ever thought that we =
should let in some fresh air on securing inter-domain routing, I would =
love to be included.

Q: On slide number 8 on the second bullet you propose enabling parallel =
validation. How do you suppose to do validation?

A: In DBGP, we do not reject that validation solutions proposed in SIDR. =
Actually they can cooperate. While the "validation" we assumed in our =
implementation were simply systems that were using the historical data =
base to do filtering, rather than the traditional validation in SIDR.

Q: I certainly appreciate the idea of identifying suspicious information =
and making that available to potential registered parties. I think =
something can improve there in operational operators in helping protocol =
proposals and so on. There certainly good ways. As an operator, I am =
really horrified by the idea we ask our appreciated vendors to flow in =
an additional complexity into the BGP. So that additional information =
that is not really needed for the operation is handled in some ways and =
takes more resources in our routers. The central thing is the addition =
in complexity of the BGP implementations in the regular production =
routers is something that is really unwanted from operators. If you were =
saying this is proposal to set up some BGP listener on the free on the =
open source ware, open BGP implementation box sitting on the site =
valuating staff. That would not expect to do harm. But asking for =
serious additional complexity in the BGP routers is something that is =
really a bad idea. I think.=20

A:  The design of DBGP is made to be as simple as possible. Only one =
optional path attribute is added to the plain BGP. In addition, DBGP can =
be incrementally deployed across the whole Internet. ISPs can make their =
own decision on whether to adopt it or not. From the evaluation results, =
one can found that with only a small deployment rate, a large proportion =
of ASes are protected from being attacked. I heard that =
"draft-ietf-idr-add-paths-04.txt" had just been accepted as an WG =
document in IETF 79. In this draft, a more complex path attribute was =
devised.

Q: I have one additional question.  With the expectation in your =
suggestion that you pass on information you discovered is bad. You don't =
act on it but you propagate it so that other detectors can do something. =
What would other detectors do with the information that you are passing =
on since you yourself has blocked the BGP update. You are not =
propagating it as an update. What would the detectors do with the =
information you are passing. =20

A: The detection systems can notify the victim AS routers. Then the =
victim AS routers can take actions to stop the attacks.=20

Q: But the person who has detected the attack could also notify them. I =
am uncertain whether (the detectors could do that) the person who =
actually notices the attack could also do or could not do.

A: The mitigation system runs a rough filtering based on the limited =
information stored in the routing tables to protect the data delivery =
from being attack. It is much less precise than the detection system =
(high positive). Precise notification relies on existing detection =
systems.=20

Q: If you could go back to the slide. I think it was number 7. Kind of. =
The most important interesting communication path that they detected =
questionable information should take would be the way back to X. And =
exactly that will not be done in BGP with the most in current =
implementations.

A: That is an only a simple example to show the effect of black holing =
attack. Maybe it is not precise. For example, the relationships between =
the ASes are not shown. In fact, in our implementation of DBGP in =
SSFNET-2.0, we inject prefix hijacking from randomly chosen ASes. Most =
of the times, this kind of hijacks succeed in cheating a lot of ASes.

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INTERNET-DRAFT                                              Mingui Zhang
Intended Status: Proposed Standard                                Huawei
Expires: April 28, 2011                                          Bin Liu
                                                     Tsinghua University
                                                           Dacheng Zhang
                                                                  Huawei
                                                          Beichuan Zhang
                                               The University of Arizona
                                                        October 25, 2010


  Secure Extension of BGP by Decoupling Path Propagation and Adoption
                     draft-zhang-idr-decoupling-01


Status of this Memo

   This Internet-Draft is submitted to IETF in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF), its areas, and its working groups.  Note that
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   Internet-Drafts.

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   http://www.ietf.org/1id-abstracts.html

   The list of Internet-Draft Shadow Directories can be accessed at
   http://www.ietf.org/shadow.html


Copyright Notice

   Copyright (c) 2010 IETF Trust and the persons identified as the
   document authors. All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document. Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document. Code Components extracted from this document must
 


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   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.













































 


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Abstract

   This draft proposes a novel mitigation scheme to protect the inter-
   domain data delivery during false routing announcements. A new path
   attribute is defined to Decouple propagation of a path and adoption
   of a path for data forwarding in BGP (DBGP). DBGP does not use
   suspicious paths for data forwarding, but still propagates them in
   the routing system to facilitate attack detection. It can extensively
   protect data delivery from routing announcements of false sub-
   prefixes, false origins, false nodes and false links, and works well
   with ongoing attack detection and prevention systems.

Conventions used in this document 

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in RFC 2119 [RFC2119].


Table of Contents

   1  Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 5
   2  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . . . 5
   3  False Routing Announcements  . . . . . . . . . . . . . . . . . . 5
      3.1  Problem . . . . . . . . . . . . . . . . . . . . . . . . . . 5
      3.2 Countermeasures  . . . . . . . . . . . . . . . . . . . . . . 6
         3.2.1 Prevention  . . . . . . . . . . . . . . . . . . . . . . 6
         3.2.2 Detection . . . . . . . . . . . . . . . . . . . . . . . 6
         3.2.3. Traditional Mitigation . . . . . . . . . . . . . . . . 8
      3.3 Paradox of Blocking Suspicious Routing Updates and Attack 
          Detection  . . . . . . . . . . . . . . . . . . . . . . . . . 8
   4. DBGP's Mitigation: Decoupling Path Propagation and Adoption  . . 9
      4.1 Quarantine Time  . . . . . . . . . . . . . . . . . . . . . . 9
      4.2 Working with Detection and Prevention  . . . . . . . . . .  10
   5 Protocol Descriptions . . . . . . . . . . . . . . . . . . . . .  10
      5.1 DAS_PATH Attribute Definition  . . . . . . . . . . . . . .  11
      5.2 Identification of Suspicious Paths . . . . . . . . . . . .  12
      5.3 Propagating Updates  . . . . . . . . . . . . . . . . . . .  13
      5.4 Choosing Alternative Paths . . . . . . . . . . . . . . . .  14
      5.5 Releasing Quarantined Paths  . . . . . . . . . . . . . . .  14
   6  Security Considerations  . . . . . . . . . . . . . . . . . . .  15
   7  IANA Considerations  . . . . . . . . . . . . . . . . . . . . .  15
   8  References . . . . . . . . . . . . . . . . . . . . . . . . . .  15
      8.1  Normative References  . . . . . . . . . . . . . . . . . .  15
      8.2  Informative References  . . . . . . . . . . . . . . . . .  16
   Appendix A: Empirical Evaluation  . . . . . . . . . . . . . . . .  16
   Author's Addresses  . . . . . . . . . . . . . . . . . . . . . . .  17

 


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1  Introduction

   False routing announcements cause serious security issues to the
   inter-domain routing system, which can lead to widespread service
   disruptions. A special case is prefix hijacking, in which a network
   announces an IP prefix that belongs to another network. Existing
   works such as Pretty Good BGP (PGBGP)[PGBGP] block suspicious routing
   updates to protect data delivery. However, such an approach has the
   side effect of blocking the view of detection systems at the control
   plane and data plane. As a result, an attack will not be detected and
   operators will not be alerted to take actions to stop the attack.
   This draft proposes an extension of BGP, to solve this paradox by
   decoupling path propagation and adoption in BGP.

   In current BGP, the path a router adopts for data forwarding is the
   same path being propagated to neighbors. That is why upon receiving a
   suspicious path, a router has to either accept it (no mitigation but
   good detection) or reject it (good mitigation but no detection). Our
   idea is for a router to use trusted paths for data forwarding, but
   still inform its neighbors about the suspicious path. The suspicious
   paths will be carried in an optional transitive attribute in BGP
   updates, while the routers still use trusted paths for data
   forwarding. This way the data traffic is protected while false
   routing announcements are being propagated to detection systems.

2  Terminology

   DBGP: Decoupling path propagation and adoption in BGP

3  False Routing Announcements 

3.1  Problem

   False routing announcements can be caused by either inadvertent mis-
   configurations or malicious attacks. For the ease of exposition, we
   use "attacker" to refer to the network (or Autonomous System, AS)
   that makes the false routing announcements regardless of the
   intention. Based on which part of the routing path is false, such
   announcements can be classified into five types, each of which has
   different severity:

      o  Prefix origin: The attacker originates someone else's prefix.
         Depending on where a network is in the Internet topology, some
         will choose paths leading to the true origin and some will
         choose paths leading to the false origin.

      o  Intermediate node: The attacker does not forge the prefix or
         its origin, but inserts itself into the path as an intermediate
 


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         AS. Similar to the case of false origin, some networks will
         choose the correct paths and some the false paths. But usually
         fewer networks will choose the false path since it is longer
         than that of false origin attack.

      o  Intermediate link: The attacker forges a new link to bypass
         some of the ASes to get a shorter path. The shortened path is
         expected to attract more networks' traffic.

      o  Sub-prefix: The attacker originates a sub-prefix of someone
         else's prefix. Due to the longest match in routing lookup, a
         false sub-prefix will win over the original prefix. Thus, all
         traffic destined to the sub-prefix range will be forwarded to
         the attacker.

      o  Super-prefix: Theoretically the attacker can also announce a
         false super-prefix, but that will not attract any traffic
         unless part of the prefix range is unused by the real owner, in
         which case it is equivalent to announcing a false origin of the
         unused prefix range.

3.2 Countermeasures

   The current strategies proposed for the problem of false
   announcements fall in three categories: prevention, detection and
   mitigation.

3.2.1 Prevention

   Prevention schemes (e.g., [SBGP], [SoBGP], and [SPV]) use
   cryptographic mechanisms to protect the routing updates and let
   routers reject any forged announcement. Unfortunately no prevention
   scheme has seen much deployment on the Internet due to the lack of
   incentives for those first movers. Since crypto-based schemes add
   significant computational load to routers and require upgrade on
   software or hardware, individual ISPs need to see immediate benefits
   to justify the deployment. On the current Internet, however, the
   first mover's routing announcements will be accepted by other
   networks without authentication, and adding authentication does not
   bring any immediate benefit.

3.2.2 Detection

   The representative detection systems proposed in recent years include
   [Cyclops], [PHAS], [MyASN], [IAR], [iSPY], [NWatch], [OList], and
   [LWeight]. Such systems are designed to detect false routing by
   examining routing updates, probing data paths, cross-checking with
   registry databases, or a combination of these techniques. Once a
 


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   false routing case is detected, the owner of the prefix will be
   notified, and it is expected that the owner will take actions to
   resolve the problem, which, in today's Internet, usually involves
   contacting the offending network or its upstream provider to stop the
   false routing announcements. This process of detection, notification
   and resolution takes time, ranging from an hour to a day in some past
   incidents and varying from network to network [NWatch][RIPE]. In the
   meantime, the damage to data traffic has already been made and
   malicious attackers may have already achieved their objectives.







































 


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3.2.3. Traditional Mitigation

   A mitigation schemes attempts to protect the data traffic while an
   attack is going on. The common approach is to somehow identify
   abnormal routing updates and block them. As proposed in [PGBGP] and
   [PGBGP++], a router can examine the content of incoming updates. If
   an AS path contains unexpected prefix origin or links, it will be
   suppressed from propagating for a period of time to wait for the
   network operator's validation. The length of the time is configurable
   by the network operators. Instead, an alternative path (via trusted
   prefix origin and links) will be employed for data delivery in the
   suppression period. After this period,if the path is not proved to be
   illegal, the router will adopt and announce the new path. PGBGP gives
   operators certain reaction time to resolve potential false
   announcements while protecting data delivery in the meantime. When a
   real attack is detected and resolved, the corresponding false
   announcement will be withdrawn from the routing system, whereas
   legitimate announcement will stay in the routing system and
   eventually be accepted.

   But blocking false routing announcements can get in the way of
   detection systems. For instance, on September 22, 2008, a Russian ISP
   AS8997 hijacked a large number of prefixes as it leaked an entire
   table [ASN8997]. However, since the upstream ISP of AS8997 blocked
   the routing updates, detection systems such as MyASN and IAR did not
   pick up this incident. The attack mainly affected ISPs and users
   within Russia but largely went unnoticed by prefix owners.

   Each existing solution has its drawbacks, and none is sufficiently
   effective by itself. The future of the Internet probably will have
   several different solutions at the same time, complementary to each
   other, forming a multi-line defense to protect routing and data
   delivery before, during, and after attacks.

3.3 Paradox of Blocking Suspicious Routing Updates and Attack Detection

   It has been realized that a mitigation mechanism and a detection
   system that complement each other well can be integrated into an
   effective routing defense solution. For instance, the mitigation
   mechanism can help the detection system to confine the damage caused
   by an attack, as the affected data traffic may be vulnerable for
   hours before the attack can be actually detected by the detection
   mechanism and be eventually stopped. Also, the mitigation mechanism
   can also obtain benefit from the detection system because a
   mitigation mechanism normally cannot identity false routing
   information accurately with its limited knowledge, resource and time.
   The output from the detection system can be used to correct the many
   false positives generated by the mitigation mechanism and also inform
 


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   the prefix owner to resolve the attack.

   However, there is a dilemma: the mitigation mechanism tries to render
   the attack ineffective while the detection system needs the attack to
   be effective in order to detect it.

4. DBGP's Mitigation: Decoupling Path Propagation and Adoption

   The suspicious paths are serially blocked hop by hop for validation
   in traditional mitigation schemes, which gets in the way of detection
   systems. In order to solve this dilemma, this document proposes a
   solution which decouples path propagation and path adoption. The
   basic idea of this solution is to extend BGP's update message with a
   new optional transitive path attribute so that a router can inform
   its neighbor routers about the suspicious path and meanwhile the
   router uses another trusted path for data forwarding. In order to
   achieve this, a new BGP attribute, DAS_PATH, is defined in Section
   5.

4.1 Quarantine Time

   Based on operating experiences, a false routing announcement can be
   detected and corrected in a certain period (e.g., one day) after it
   is launched, and so an announcement will be trusted if it is not
   withdrawn in a pre-defined period. Therefore, in mitigation schemes,
   when a new path is identified as a suspicious one, it will be
   quarantined (or blocked) from being used for a period of time, which
   is called the quarantine time and noted as T_q. If a new path has
   stayed in a router's Adj-RIBs-In for more than T_q, it will be
   trusted by this router. If this path is the most preferred from the
   Adj-RIBs-In, the router will use this path for data delivery and
   announce this path to its neighbors.

   A router MAY determine the quarantine time itself. Assume there are
   two routers, R1 and R2. R1 is the downstream of R2, and the
   quarantine time of R1 and R2 is T1 and T2 respectively. The
   suspicious path is PATH at R1. There are two possibilities.

      o  T1 is shorter than T2. When T1 expires, PATH becomes trusted by
         R1 and R1 begins to use it for data delivery. R1 will announce
         R1-PATH as a legitimate AS path to R2. However, at this time,
         the path R1-PATH is still being quarantined by R2.

      o  T1 is longer than T2. When T2 expires, R1-PATH becomes trusted
         by R2. However, R2 can not use this path for data delivery as
         R1 has not announced R1-PATH as an AS path. It will be cached
         in the Adj-RIBs-In until the downstream router R1 has announced
         it as an AS path when T1 expires.
 


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   Compared to the traditional mitigation schemes, the propagation of
   suspicious paths through DAS_PATHs in DBGP enables the parallel
   validation, which accelerates the adoption process of suspected
   legitimate paths (the false positive).

4.2 Working with Detection and Prevention

   Traditional mitigation mechanisms block the propagation of suspicious
   paths, which undermines the effectiveness of detection systems. DBGP
   is proposed to address this shortage. In DBGP, the data traffic is
   protected while the false routing announcements are spread out to be
   monitored by detection systems. The capacity of propagating the
   suspicious path in DBGP is not worse than that in BGP. However, the
   issue of enhancing this capacity is out of the scope of this
   document.

   As a mitigation scheme, DBGP routers validate the AS_PATHs based on
   the limited information stored in local Adj-RIBs-In. This would cause
   some legitimate paths to be identified as suspicious and blocked from
   being used for data delivery (high false positive). If a down stream
   router would like their paths be adopted quickly, it can include the
   certificate for its AS_PATHs. Then, the up stream routers can verify
   and adopt such AS_PATHs immediately. Therefore, the deployment of
   DBGP actually creates the incentive for deploying prevention systems.

5 Protocol Descriptions

   Take Figure 5.1 for example. A, B, C, and O are DBGP routers residing
   in different ASes, , X is the attacker and p is the prefix of
   interest. Before the attack, the preferred path for traffic is ABCO.
   Here, we use the notation "R1R2...Rn-p" to denote the AS path which
   is destined to prefix "p" via routers R1, R2, ..., Rn. When X makes a
   false announcement of X-p to B, B will regard this new path as
   suspicious because it would divert traffic to an AS(X) that
   previously was not on the data path (BCO). B will store the
   suspicious path in its Adj-RIBs-In (The routing tables of an AS
   router is comprised of three sub-tables: Adj-RIBs-In, Loc-RIB and
   Adj-RIBs-Out [BGP4]), but keep using the existing path in its Loc-RIB
   for data forwarding. At the same time, B re-announces its path (BCO)
   in an update message to A, and encapsulates the new, suspicious path
   (BX) as an optional transitive attribute which is defined in Section
   5.1. After receiving the update message, router A learns this
   suspicious path, stores it, and propagates it further to its
   neighbors using the optional attribute the same way. Therefore, the
   suspicious path is propagated to the Internet while not adopted for
   data forwarding. This approach enable the detection systems to
   intercept the suspicious path and notify the prefix owner to take
   actions. Once the attack is stopped, the false announcements will be
 


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   withdrawn from the routing system, i.e., deleted or replaced in the
   Adj-RIBs-In of the involved routers. However, a router realizes that
   the quarantine time has been expired and the suspicious path is still
   in the Adj-RIBs-In, the router regards the path as a legitimate one.
   Hence the DBGP router will install the path in its Loc-RIB for data
   forwarding and re-announce the path using the regular ASPATH
   attribute in the update message. For example, if BX-p has been
   validated as legitimate, B will announce it to A as its AS_PATH. The
   rest of this section will discuss the design details in new BGP
   attribute definition, identifying suspicious paths, choosing
   alternative paths for data forwarding, propagating the paths, and
   releasing quarantined paths.

                                   [X]->p
                                    ^
                                    |          
                         [A]->[B]->[C]->[O]-p

                      Figure 5.1: Attack Example 1

   The rest of this section will discuss the design details in the
   definition of the new DAS_PATH Attribute, identifying suspicious
   paths, choosing alternative paths for data forwarding, propagating
   the paths, and releasing quarantined paths.

5.1 DAS_PATH Attribute Definition

   +----------------------------------+
   | Attribute Type (2 octets)        |
   +----------------------------------+
   | Attribute Length (1 or 2 octets) |
   +------------------------------------------------------------------+
   | Attribute Value (variable length)                                |            
   +------------------------------------------------------------------+

                   Figure 5.2: The DAS_PATH Attribute

   DAS_PATH (Decoupled AS_PATH) is defined as a new optional transitive
   Path Attribute (Figure 5.2) to be included in BGP's UPDATE message. 

   The first bit of the Attribute Type is set (1), therefore the
   attribute is optional. The second bit of Attribute Type is set (1),
   therefore the attribute is transitive and SHOULD be passed on to
   other BGP peers. The third and fourth bits are Partial bit and
   Extended Length bit respectively, which has already been defined in
   [BGP4]. The Attribute Type code is assigned by the IANA (Internet
   Assigned Numbers Authority). The definition of Attribute Length is
   the same as that in [BGP4].
 


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   The Attribute Value is composed of a sequence of DAS path segments.
   Each DAS path segment is encoded as a triple <path segment type, path
   segment length, path segment value>. 

   The path segment type is a 1-octet field with the following two
   allowable values:

      Value   Segment              Type
       1      DAS_SET             unordered set of ASs a route in the
                                  UPDATE message has traversed
       2      DAS_SEQUENCE        ordered set of ASs a route in the
                                  UPDATE message has traversed

   The path segment length is a 1-octet long field containing the number
   of ASs in the path segment value field.

   The path segment value field contains one or more AS numbers, each
   encoded as a 2-octets long field.

   When a DAS_PATH is propagated across the network, the operations on
   DAS_PATH follows the well-known AS_PATH attribute only that DAS_PATH
   is non-mandatory. If a router which does not deploy DBGP receives the
   update messages containing DAS_PATH attribute, i.e., does not
   understand this attribute, it will just pass it on to the next
   router. If its downstream router is a DBGP router, it will be able to
   pick up the information from this attribute and continue DBGP
   operations. Therefore DBGP can be incrementally deployed over the
   Internet.

5.2 Identification of Suspicious Paths

   For a given prefix p, a path is trusted if it has been staying in the
   Adj-RIBs-In continuously for the required quarantine time, T_q. All
   the nodes, links, and origins that appear in trusted paths are
   trusted components, and the set of them is denoted by trusted(p).
   This set of trusted components is derived from current contents of
   all Adj-RIBs-In without using a database to store historical
   information like PGBGP does. Nodes, links, and origins that do not
   belong to trusted(p) are said to be suspicious components for this
   particular prefix p. A new path is suspicious if it contains any
   suspicious component for its prefix. However, not all suspicious
   paths need to be explicitly quarantined. DBGP quarantines paths that
   satisfy the following condition:

      o  A new path is quarantined if and only if it is suspicious, more
         preferred than other alternative paths, and contains an AS that
         is not in the current data forwarding path.

 


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   If the new path is not better than alternative paths, it will not be
   able to divert any traffic. One may suggest that the attacker can
   first announce a less preferred path so that DBGP routers will take
   it as a backup path without suspicion, and then make the primary path
   fail to trick the router to use the false backup path. But in this
   case, if the attacker has the control of the primary path, it can
   already get the traffic without doing this. If the attacker does not
   have control of the primary path, it will not know when the primary
   path may fail and which backup path the router will choose, thus the
   attack will not be effective. 

   If the new path does not introduce any new AS on the data path, it is
   not quarantined since it does not divert any traffic. In Figure 5.3,
   when X launches an attack by announcing X-p, this path is not
   quarantined by B since B already sends its traffic to X. B will
   accept this path and announces it to A. Assuming ABX-p is more
   preferred than ACO-p, A will quarantine ABX-p since this new path
   would divert A's traffic to a new place, AS X, and X is a suspicious
   origin to A.

   To reduce the potential false positives in quarantining paths, we
   introduce an optimization rule. If the current best path is replaced
   by a suspicious path (i.e., the same neighbor that sent the best path
   previously sends another path to replace it), then the current best
   path is cached for a short time period. This rule is used to
   accommodate some unstable prefixes, which may get announced and
   withdrawn or oscillate between two paths frequently. With this rule,
   quick re-announcement of a path will not be treated as suspicious.
   Previous measurement work has shown that (1) most prefixes are
   stable, and only a small number of prefixes are very unstable; (2)
   the most popular prefixes are stable; and (3) the most preferred
   paths are being used by routers for most of the time
   [BGPpop][Stable][BGPHA]. Therefore, DBGP's criterion for suspicious
   paths will not generate excessive false positives in reality. The
   majority of the rest prefixes is only suspicious infrequently.

                       +---------------+
                       |               |
                       |               v
                       [A]->[B]->[X]->[C]->[O]-p
                                       |
                                       p

                      Figure 5.3: Attack Example 2

5.3 Propagating Updates

   DBGP uses the new BGP attribute, DAS_PATH, to carry a suspicious path
 


Zhang                    Expires April 28, 2011                [Page 13]

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   in a update. In certain cases DBGP router may need to select a
   DAS_PATH from multiple ones to announce. For example, in Figure 5.4,
   assume C does not deploy DBGP and accepts the false announcement of
   X-p. When B receives BCX-p, B quarantines this new path and switches
   to its backup BDO-p. The update from B to A will have BDO as the
   AS_PATH, and BCX as the DAS_PATH attribute. However, since BDO is
   suspicious to A as well, A will quarantine BDO and switch to AEFO.
   Thus the update from A can contain either ABCX or ABDO. A router's
   neighbors may simultaneously send updates containing the DAS_PATH to
   it, which also makes the router have multiple DAS_PATHs to choose.
   DBGP always let a router select the best DAS_PATH from the multiple
   ones to announce, which is similar to the traditional BGP's AS_PATH
   selection process. This rule works well due to the following two
   facts. First, during attacks, the best DAS_PATH is most likely the
   bogus path aiming to attract data traffic. Second, during false
   positives, the best DAS_PATH will most likely become the best AS_PATH
   when the quarantine time ends. 

                                   [X]->p
                                    ^
                                    |          
                         [A]->[B]->[C]->[O]-p
                          |    |         ^ 
                          |    |        /|
                          |    +-->[D]-+ |
                          |              |
                          +------->[E]->[F]

                      Figure 5.4: Attack Example 3

5.4 Choosing Alternative Paths

   When a new path is the most preferred but suspicious, DBGP routers
   will use an alternative path for data delivery. The question is which
   alternative path to be chosen. First, if the existing path that is
   being used for data forwarding is still the best, then the router can
   stick to that path without any changes. Second, if the existing path
   in use will have been replaced by the suspicious path, then the
   router needs to pick an alternative. For example, in Figure 5.4,
   suppose C does not deploy DBGP and blindly accepts the false
   announcement X-p. B's existing path BCO-p will be replaced by a
   suspicious path BCX-p, therefore B needs to temporarily switch to a
   backup path BDO-p from its Adj-RIBs-In. Third, if there is no
   alternative path or all alternative paths are labeled as suspicious,
   then the router err on data delivery by adopting a suspicious path to
   forward packets.

5.5 Releasing Quarantined Paths
 


Zhang                    Expires April 28, 2011                [Page 14]

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   If the quarantined paths are false announcements, it is likely that
   within T_q, the attack will be stopped and these paths being
   withdrawn from the routing system. In this case, there is no explicit
   release of the quarantined path. Just the upstream router will send
   an update with empty DAS_PATH attribute. If T_q has passed and the
   quarantined path is still in the Adj-RIBs-In, then it is more likely
   that this is a legitimate path. The router will treat the path as a
   regular path and make it go through the path selection process. If
   the path turns out to be the most preferred one, it will be used for
   data forwarding and trigger routing updates to neighbor routers.

6  Security Considerations

   The entire document is about security consideration.

7  IANA Considerations

   The attribute type code of DAS_PATH should be assigned by the IANA,
   which identifies the attribute uniquely from all others.

8  References 

8.1  Normative References

   [PGBGP]     J. Karlin, S. Forrest, and J. Rexford, "Pretty Good BGP:
               Improving BGP by Cautiously Adopting Routes," in
               Proceedings of IEEE ICNP, 2006. 
   [SBGP]      S. Kent, C. Lynn, and K. Seo, "Secure Border Gateway
               Protocol (SBGP)," IEEE Journal on Selected Areas in
               Communications, vol. 18, no. 4, pp. 582-592, 2000.
   [Cyclops]   Y.-J. Chi, R. Olivera, and L. Zhang, "Cyclops: the as-
               level connectivity observatory," SIGCOMM Comput. Commun.
               Rev., vol. 38, no. 5, pp. 5-16, 2008.
   [PHAS]      M. Lad, D. Massey, D. Pei, B. Zhang, and L. Zhang, "PHAS:
               A Prefix Hijack Alert System," in 15th USENIX Security
               Symposium, 2006, pp.153-166.
   [MyASN]     "RIPE myASN System," http://www.ris.ripe.net/myasn.html.
   [IAR]       [Online]. Available: http://iar.cs.unm.edu/
   [iSPY]      Z. Zhang, Y. Zhang, Y. C. Hu, Z. M. Mao, and R. Bush,
               "iSPY: Detecting IP Prefix Hijacking on My Own," in
               Proceedings of ACM SIGCOMM, 2008.
   [NWatch]    G. Siganos and M. Faloutsos, "Neighborhood Watch for
               Internet Routing: Can We Improve the Robustness of
               Internet Routing Today?" in Proceedings of IEEE INFOCOM,
               2007.
   [Olist]     X. Zhao, D. Pei, L. Wang, D. Massey, A. Mankin, S. Wu,
               and L. Zhang,"Dection of Invalid Routing Announcement in
               the Internet," in Proceedings of the IEEE DSN, June 2002.
 


Zhang                    Expires April 28, 2011                [Page 15]

INTERNET-DRAFT                    DBGP                  October 25, 2010


   [LWeight]   C. Zheng, L. Ji, D. Pei, J. Wang, and P. Francis, "A
               Light-weight Distributed Scheme for Detecting IP Prefix
               Hijacks in Real-time," in Proceedings of ACM SIGCOMM,
               2007.
   [SoBGP]    J. Ng, "Extensions to BGP to Support Secure Origin BGP,"
               April 2004, ftp://ftp-eng.cisco.com/sobgp/drafts/draft-
               ng-sobgp-bgp-extensions-02.txt.
   [SPV]      Y.-C. Hu, A. Perrig, and M. Sirbu, "SPV: Secure Path
               Vector Routing for Securing BGP," in Proceedings of ACM
               SIGCOMM, 2004.
   [RIPE]     [Online]. Available: http://www.ripe.net/news/study-
               youtubehijacking.html
   [ASN8997]  "Prefix hijack by ASN 8997." [Online]. Available:
               http://www.merit.edu/mail.archives/nanog/2008-
               09/msg00704.html
   [BGPpop]    J. Rexford, J. Wang, Z. Xiao, and Y. Zhang, "BGP Routing
               Stability of Popular Destinations," in Proceedings of ACM
               IMC 2002, pp. 197-202.
   [Stable]    K. Butler, P. McDaniel, and W. Aiello, "Optimizing BGP
               Security by Exploiting Path Stability," in Proceedings of
               ACM CCS, Alexandria, VA, United States, 2006, pp. 298-
               310.
   [BGPHA]     R. V. Oliveira, R. Izhak-Ratzin, B. Zhang, and L. Zhang,
               "Measurement of Highly Active Prefixes in BGP," in
               Proceedings of IEEE Globecom,2005.
   [BGP4]      J. W. Stewart, BGP4: Inter-Domain Routing in the
               Internet. Boston,MA, USA: Addison-Wesley Longman
               Publishing Co., Inc., 1998.

8.2  Informative References

Appendix A: Empirical Evaluation

   The following aspects of DBGP are tested on the SSFNet-2.0 simulation
   platform which has implemented BGP4.
      o  The ability to counter different types of attacks
      o  The ability to rectify the false positives
      o  The memory and message overhead
   The evaluation proves that DBGP can be used to mitigate all types of
   attacks. Compared with previous mitigation approaches [PGBGP], it
   reduces the delay of legitimate announcements significantly, only
   incurs a small amount of messages and memory overhead.






 


Zhang                    Expires April 28, 2011                [Page 16]

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Author's Addresses


   Mingui Zhang
   Huawei Technologies Co.,Ltd
   HuaWei Building, No.3 Xinxi Rd., Shang-Di
   Information Industry Base, Hai-Dian District, 
   Beijing, 100085 P.R. China
   	
   Email: mingui@huawei.com

   Bin Liu
   Tsinghua University
   East Main Building RM9-416
   Tsinghua University, Hai-Dian District, 
   Beijing, 100084 P.R. China

   Email: lmyujie@gmail.com

   Dacheng Zhang
   Huawei Technologies Co.,Ltd
   HuaWei Building, No.3 Xinxi Rd., Shang-Di
   Information Industry Base, Hai-Dian District, 
   Beijing, 100085 P.R. China

   Email: zhangdacheng@huawei.com

   Beichuan Zhang
   University of Arizona
   Computer Science Department,
   The University of Arizona
   Tucson, AZ 85721 U.S.A.

   Email: bzhang@arizona.edu

















Zhang                    Expires April 28, 2011                [Page 17]

--Boundary_(ID_ICuXPqK3RSSyye5ZlJOrzw)--

From kotikalapudi.sriram@nist.gov  Mon Nov 15 18:43:23 2010
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From: "Sriram, Kotikalapudi" <kotikalapudi.sriram@nist.gov>
To: Pradosh Mohapatra <pmohapat@cisco.com>
Date: Mon, 15 Nov 2010 21:43:32 -0500
Thread-Topic: [sidr] I-D Action:draft-ietf-sidr-pfx-validate-00.txt
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Hi Pradosh,

I provided a comment on draft-ietf-sidr-roa-validation-10
which is also applicable to this draft.
Please see my comment at:

http://www.ietf.org/mail-archive/web/sidr/current/msg02106.html

Sriram
________________________________________
From: sidr-bounces@ietf.org [sidr-bounces@ietf.org] On Behalf Of Internet-Drafts@ietf.org [Internet-Drafts@ietf.org]
Sent: Wednesday, August 04, 2010 1:30 PM
To: i-d-announce@ietf.org
Cc: sidr@ietf.org
Subject: [sidr] I-D Action:draft-ietf-sidr-pfx-validate-00.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           : BGP Prefix Origin Validation
        Author(s)       : P. Mohapatra, et al.
        Filename        : draft-ietf-sidr-pfx-validate-00.txt
        Pages           : 11
        Date            : 2010-07-28

A BGP route associates an address prefix with a set of autonomous
systems (AS) that identify the interdomain path the prefix has
traversed in the form of BGP announcements.  This set is represented
as the AS_PATH attribute in BGP and starts with the AS that
originated the prefix.  To help reduce well-known threats against BGP
including prefix mis-announcing and monkey-in-the-middle attacks, one
of the security requirements is the ability to validate the
origination AS of BGP routes.  More specifically, one needs to
validate that the AS number claiming to originate an address prefix
(as derived from the AS_PATH attribute of the BGP route) is in fact
authorized by the prefix holder to do so.  This document describes a
simple validation mechanism to partially satisfy this requirement.

A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-sidr-pfx-validate-00.txt



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Hi Geoff,

As I listened to the recorded version of the session in Beijing, looks =
like there some level of consensus that it may be a good idea to add an =
additional "error_response" code value for "algorithm suite not =
supported". I believe that will help the algorithm migration process as =
we can write the exact process in the draft.

You could always use the code 1203, but that is a generic response to a =
malformed message.

Regards,

Roque


On Nov 11, 2010, at 4:22 AM, Geoff Huston wrote:

> Hi,
>=20
> I've revised this draft as per the feedback from the WG in today's =
SIDR meeting regarding text in the Security Considerations that notes =
that the protocol itself does not describe how a client and a server can =
"reset" the CMS signing time attribute value
>=20
> Given that this addresses the WG comments from today's session. I'd =
like to request the chairs to conduct a WG Last Call for this draft.
>=20
> thanks
>=20
>   Geoff & Byron
>=20
>=20
> Begin forwarded message:
>=20
>> From: IETF I-D Submission Tool <idsubmission@ietf.org>
>> Date: 11 November 2010 2:16:44 PM AEDT
>> To: gih@apnic.net
>> Cc: robertl@apnic.net,bje@apnic.net,sra@isc.org
>> Subject: New Version Notification for =
draft-ietf-sidr-rescerts-provisioning-09=20
>>=20
>>=20
>> A new version of I-D, draft-ietf-sidr-rescerts-provisioning-09.txt =
has been successfully submitted by Geoff Huston and posted to the IETF =
repository.
>>=20
>> Filename:	 draft-ietf-sidr-rescerts-provisioning
>> Revision:	 09
>> Title:		 A Protocol for Provisioning Resource =
Certificates
>> Creation_date:	 2010-11-11
>> WG ID:		 sidr
>> Number_of_pages: 31
>>=20
>> Abstract:
>> This document defines a framework for certificate management
>> interactions between a resource issuer ("Issuer") and a resource
>> recipient ("Subject") through the specification of a protocol for
>> interaction between the two parties.  The protocol supports the
>> transmission of requests from the Subject, and corresponding
>> responses from the Issuer encompassing the actions of certificate
>> issuance, certificate revocation and certificate status information
>> reports.  This protocol is intended to be limited to the application
>> of resource certificate management and is not intended to be used as
>> part of a more general certificate management framework.
>>=20
>>=20
>>=20
>> The IETF Secretariat.
>>=20
>>=20
>=20
> --
>=20
> Geoff Huston
> Chief Scientist, APNIC
>=20
> +61 7 3858 3100
> gih@apnic.net
>=20
>=20
>=20
>=20
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


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From: Roque Gagliano <rogaglia@cisco.com>
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Date: Tue, 16 Nov 2010 15:46:25 +0100
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To: Randy Bush <randy@psg.com>
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Subject: Re: [sidr] draft-ymbk-rpki-origin-ops-00
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Hi Randy

I have a comment on section 5 of this draft based on our experience =
playing with this.

When you say:
 "  Announcements with invalid origins MAY be used, but SHOULD be less
   preferred than those with valid or unknown."
It would be worthy to write a note warning that invalid announcements =
which are more specific that an existing valid announcement SHOULD be =
discarded as they will always be preferred, independently of validation =
state of BGP attributes (longest prefix match).

Regards,

Roque

PS: we are working on code for this feature.



On Nov 8, 2010, at 6:57 AM, Randy Bush wrote:

>=20
> From: IETF I-D Submission Tool <idsubmission@ietf.org>
> Date: November 8, 2010 6:55:37 AM GMT+01:00
> To: randy@psg.com
> Subject: New Version Notification for draft-ymbk-rpki-origin-ops-00=20
>=20
>=20
>=20
> A new version of I-D, draft-ymbk-rpki-origin-ops-00.txt has been =
successfully submitted by Randy Bush and posted to the IETF repository.
>=20
> Filename:	 draft-ymbk-rpki-origin-ops
> Revision:	 00
> Title:		 RPKI-Based Origin Validation Operations
> Creation_date:	 2010-11-08
> WG ID:		 Independent Submission
> Number_of_pages: 7
>=20
> Abstract:
> Deployment of the RPKI-based BGP origin validation has many
> operational considerations.  This document attempts to collect and
> present them.  It is expected to evolve as RPKI-based origin
> validation is deployed and the dynamics are better understood.
>=20
>=20
>=20
> The IETF Secretariat.
>=20
>=20
>=20
> A new version of I-D, draft-ymbk-rpki-origin-ops-00.txt has been =
successfully submitted by Randy Bush and posted to the IETF repository.
>=20
> Filename:	 draft-ymbk-rpki-origin-ops
> Revision:	 00
> Title:		 RPKI-Based Origin Validation Operations
> Creation_date:	 2010-11-08
> WG ID:		 Independent Submission
> Number_of_pages: 7
>=20
> Abstract:
> Deployment of the RPKI-based BGP origin validation has many
> operational considerations.  This document attempts to collect and
> present them.  It is expected to evolve as RPKI-based origin
> validation is deployed and the dynamics are better understood.
>=20
>=20
>=20
> The IETF Secretariat.
>=20
>=20
>=20
>=20
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


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<html><head></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi =
Randy<br><div><br class=3D"webkit-block-placeholder"></div><div>
<span class=3D"Apple-style-span" style=3D"border-collapse: separate; =
color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; =
text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: =
normal; font-weight: normal; letter-spacing: normal; line-height: =
normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: =
normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: =
0px; -webkit-border-vertical-spacing: 0px; =
-webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div =
style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space; ">I have a comment on section 5 =
of this draft based on our experience playing with this.<br><br>When you =
say:</div></span></span></div><div><pre class=3D"newpage"> "  =
Announcements with invalid origins MAY be used, but SHOULD be less
   preferred than those with valid or unknown."
</pre><div>It would be worthy to write a note warning that invalid =
announcements which are more specific that an existing valid =
announcement SHOULD be discarded as they will always be preferred, =
independently of validation state of BGP attributes (longest prefix =
match).</div></div><div><br></div><div>Regards,</div><div><br></div><div>R=
oque</div><div><br></div><div>PS: we are working on code for this =
feature.</div><div><br></div><div><br></div><div><br></div><div><div>On =
Nov 8, 2010, at 6:57 AM, Randy Bush wrote:</div><br =
class=3D"Apple-interchange-newline"><blockquote type=3D"cite"><br><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>From: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;">IETF I-D Submission Tool &lt;<a =
href=3D"mailto:idsubmission@ietf.org">idsubmission@ietf.org</a>&gt;<br></s=
pan></div><div style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px;"><span =
style=3D"font-family:'Helvetica'; font-size:medium; color:rgba(127, 127, =
127, 1.0);"><b>Date: </b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;">November 8, 2010 6:55:37 AM =
GMT+01:00<br></span></div><div style=3D"margin-top: 0px; margin-right: =
0px; margin-bottom: 0px; margin-left: 0px;"><span =
style=3D"font-family:'Helvetica'; font-size:medium; color:rgba(127, 127, =
127, 1.0);"><b>To: </b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;"><a =
href=3D"mailto:randy@psg.com">randy@psg.com</a><br></span></div><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>Subject: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;"><b>New Version Notification for =
draft-ymbk-rpki-origin-ops-00 </b><br></span></div><br><br><br>A new =
version of I-D, draft-ymbk-rpki-origin-ops-00.txt has been successfully =
submitted by Randy Bush and posted to the IETF =
repository.<br><br>Filename:<span class=3D"Apple-tab-span" =
style=3D"white-space:pre">	</span> =
draft-ymbk-rpki-origin-ops<br>Revision:<span class=3D"Apple-tab-span" =
style=3D"white-space:pre">	</span> 00<br>Title:<span =
class=3D"Apple-tab-span" style=3D"white-space:pre">	</span><span =
class=3D"Apple-tab-span" style=3D"white-space:pre">	</span> =
RPKI-Based Origin Validation Operations<br>Creation_date:<span =
class=3D"Apple-tab-span" style=3D"white-space:pre">	</span> =
2010-11-08<br>WG ID:<span class=3D"Apple-tab-span" =
style=3D"white-space:pre">	</span><span class=3D"Apple-tab-span" =
style=3D"white-space:pre">	</span> Independent =
Submission<br>Number_of_pages: 7<br><br>Abstract:<br>Deployment of the =
RPKI-based BGP origin validation has many<br>operational considerations. =
&nbsp;This document attempts to collect and<br>present them. &nbsp;It is =
expected to evolve as RPKI-based origin<br>validation is deployed and =
the dynamics are better understood.<br><br><br><br>The IETF =
Secretariat.<br><br><br><br>A new version of I-D, =
draft-ymbk-rpki-origin-ops-00.txt has been successfully submitted by =
Randy Bush and posted to the IETF repository.<br><br>Filename:<span =
class=3D"Apple-tab-span" style=3D"white-space:pre">	</span> =
draft-ymbk-rpki-origin-ops<br>Revision:<span class=3D"Apple-tab-span" =
style=3D"white-space:pre">	</span> 00<br>Title:<span =
class=3D"Apple-tab-span" style=3D"white-space:pre">	</span><span =
class=3D"Apple-tab-span" style=3D"white-space:pre">	</span> =
RPKI-Based Origin Validation Operations<br>Creation_date:<span =
class=3D"Apple-tab-span" style=3D"white-space:pre">	</span> =
2010-11-08<br>WG ID:<span class=3D"Apple-tab-span" =
style=3D"white-space:pre">	</span><span class=3D"Apple-tab-span" =
style=3D"white-space:pre">	</span> Independent =
Submission<br>Number_of_pages: 7<br><br>Abstract:<br>Deployment of the =
RPKI-based BGP origin validation has many<br>operational considerations. =
&nbsp;This document attempts to collect and<br>present them. &nbsp;It is =
expected to evolve as RPKI-based origin<br>validation is deployed and =
the dynamics are better understood.<br><br><br><br>The IETF =
Secretariat.<br><br><br><br><br>__________________________________________=
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From randy@psg.com  Tue Nov 16 06:53:46 2010
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From: Randy Bush <randy@psg.com>
To: Roque Gagliano <rogaglia@cisco.com>
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Subject: Re: [sidr] draft-ymbk-rpki-origin-ops-00
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> It would be worthy to write a note warning that invalid announcements
> which are more specific that an existing valid announcement SHOULD be
> discarded

could you give an example in real cisco ios or junos cli?

randy

From rogaglia@cisco.com  Tue Nov 16 07:07:23 2010
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Hi Randy,

>> It would be worthy to write a note warning that invalid announcements
>> which are more specific that an existing valid announcement SHOULD be
>> discarded
> 
> could you give an example in real cisco ios or junos cli?
> 

not yet. stay tuned.

r.


> randy


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From randy@psg.com  Tue Nov 16 07:10:09 2010
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>>> It would be worthy to write a note warning that invalid announcements
>>> which are more specific that an existing valid announcement SHOULD be
>>> discarded
>> 
>> could you give an example in real cisco ios or junos cli?
> not yet. stay tuned.

my point was that lengh comparison is not supported in cli, and probebly
should not be.  making a career out of unneeded complexity is not a
helpful path.

randy

From gih@apnic.net  Tue Nov 16 07:21:34 2010
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Subject: Re: [sidr] WG Last Call request for draft-ietf-sidr-rescerts-provisioning-09
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On 17/11/2010, at 1:39 AM, Roque Gagliano wrote:

> As I listened to the recorded version of the session in Beijing, looks =
like there some level of consensus that it may be a good idea to add an =
additional "error_response" code value for "algorithm suite not =
supported".

I did not hear that as a clear consensus, and in my discussions with =
others who are familiar with this protocol, I tended to the opinion that =
there was adequate information already in the provisioning protocol to =
support multiple algorithms via classes.


> I believe that will help the algorithm migration process as we can =
write the exact process in the draft.

I am of the opinion that the protocol already has sufficient knobs to =
support an environment of algorithm transition without further =
augmentation.

The existing protocol supports:
- multiple algorithms are implemented as multiple classes
- algorithms for each class are identified in the certificate provided =
by the server in the response to a LIST command
- the server performs a proof of possession text using the algorithm =
associated with the class that was nominated in the certificate request.

  Geoff


From randy@psg.com  Tue Nov 16 07:52:41 2010
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Subject: Re: [sidr] WG Last Call request for	draft-ietf-sidr-rescerts-provisioning-09
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> I am of the opinion that the protocol already has sufficient knobs to
> support an environment of algorithm transition without further
> augmentation.
> 
> The existing protocol supports:
> - multiple algorithms are implemented as multiple classes
> - algorithms for each class are identified in the certificate provided
>   by the server in the response to a LIST command 
> - the server performs a proof of possession text using the algorithm
>   associated with the class that was nominated in the certificate
>   request. 

<aol>

From kseo@bbn.com  Tue Nov 16 08:30:40 2010
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Subject: [sidr] Certificate Policy -- last change
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Sandy, Chris -- If there are no complaints by the end of this week 
about the proposed change below, we will have addressed all known 
comments and request that you declare WGLC done on the Certificate 
Policy.

All -- Based on input from Geoff Huston and Randy Bush, we propose to 
change the 2nd paragraph of the Overview as follows.

From:
   "The structure of the RPKI is modeled on the existing organizational
    structure that is already responsible for IP address and AS number
    resource allocation. In this allocation hierarchy, IANA allocates
    resources to five Regional Internet Registries (RIRs), each of which
    manages address and AS number allocation within a defined
    geopolitical region. The RIRs in turn allocate resources to Internet
    Service Providers, to subscribers with so-called provider-
    independent ("portable") allocations, and in some regions, to
    National Internet Registries (NIRs). (The term LIR is used in some
    regions to refer to what other regions define as an ISP. Throughout
    the rest of this document we will use the term ISP to simplify
    references to these entities.)"

To:
   "The structure of the RPKI is congruent with the number resource
    allocation framework of the Internet. The IANA allocates number
    resources for special purposes [RFC5736], to Regional Internet
    Registries (RIRs), and to others.  The RIRs, in turn, manage the
    allocation of number resources to end users, Internet Service
    Providers, and others."

Thank you,
Karen



From gih@apnic.net  Tue Nov 16 20:02:03 2010
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To: "Sriram, Kotikalapudi" <kotikalapudi.sriram@nist.gov>
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Subject: Re: [sidr] WG Last Call Request for draft-ietf-sidr-roa-validation-10
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On 16/11/2010, at 10:27 AM, Sriram, Kotikalapudi wrote:

> This comment applies to draft-ietf-sidr-roa-validation=20
> and also to draft-ietf-sidr-pfx-validate-00.
>=20
> One additional question that I feel the origin validation algorithms =
need to consider is
> as follows. Should there be a fourth Validation state added to the =
existing three?
> 1. Valid
> 2. Valid-i (Valid - imperfect; AS matches but max-length exceeded) -- =
proposed new state
> 3. Unknown (or Not Found)
> 4. Invalid
>=20
> The rationale for the proposed additional state "Valid-i" is as =
follows.
> Let us say a prefix owner has prefix 10.1.0.0/20 and also own AS1.
> He has a ROA registered: {10.1.0.0/20, AS1, maxlength =3D 22},
> and has announced 10.1.0.0/20 with origin AS =3D AS1.=20
> An adversary has AS2, and announces 10.1.0.0/23 with origin AS =3D =
AS2.
> During partial deployment, the adversary's announcement gets
> accepted in routing tables because potentially the /23 could be a =
suballocation
> to a customer with AS2 that does not have a ROA yet.

In draft-ietf-sidr-roa-validation the table on page 4 indicates quite
clearly that the intent of the {10.1.0.0/20, AS1, maxlength =3D 22}
includes the intent that relying parties should treat more specifics
of this route has having a validity state of "invalid"

> The legitimate prefix owner detects that there is a hijack attempt,
> and then announces 10.1.0.0/23 with origin AS =3D AS1
> in order to recover quickly at least some of the traffic.

Again the draft indicates quite clearly that with this additional route
advertisement BOTH advertisements (origin AS2 and AS3) would have a =
validity
state of "invalid".

=20

> But both the hijack update of the adversary as well as the recovery
> update of the legitimate prefix owner for 10.1.0.0/23 will be marked =
as "Invalid".

agreed.

> The legitimate prefix owner has no advantage over the hijacker!

> I think this is not desirable. The origin AS in the recovery update
> matches that in the ROA, except that the legitimate owner
> has momentarily exceeded the maxlength in order to recover his =
hijacked subprefix.
> If we introduce the additional validation state "Valid-i" as
> described above, then this undue disadvantage for the legitimate
> owner can be mitigated.
> Routers will give higher preference for "Valid-i" over "Invalid"
> and thus mitigate the problem stated above.
> The same principles will apply if the legitimate prefix owner
> wants to recover his traffic by announcing even more specific /24s.=20
>=20


If folk chose to accept routes with a validity state of "invalid"
then one has to ask oneself: why bother with this entire exercise?

If AS1 wants to bias a relying party who accepts routes with an
"invalid" validity state, then surely the response would be to issue
a new ROA  with maxlength 23 when advertising the more specific route
(i.e. a ROA with {10.1.0.0/20, AS1, maxlength =3D 23}).

Of course the downside of this form of response is that a naughty=20
party can generate a bogus route for the /23 and fake the origin
to be AS1.

But also of course all we are talking about so far is origination
validation, and the story about securing BGP routes is totally=20
incomplete without also having a mechanism to undertake AS_PATH=20
validation. Origin validation alone cannot address attacks that
lie about Path, and to my mind trying to address one form of
attack with a different form of provision of validation credentials
is yet again an instance of trying to jam round pegs into square holes.

Having explored such byways of additional validity states in earlier
iterations  of this draft (see -00, for example), and receiving at the
time robust negative comment from WG members at the time as to the
wisdom and feasibility of such an approach, it is my impression that=20
most WG members with an active interest in this topic see no value
in adding further complexity to the ROA semantics beyond what is in
the current iteration of this draft. Having spent some time thinking
about this myself in revising this document in response to such=20
earlier comments, its a position with which I now personally favour=20
as well.

thanks,


Geoff



>=20

> Sriram
>=20
>> -----Original Message-----
>> From: sidr-bounces@ietf.org [mailto:sidr-bounces@ietf.org] On Behalf =
Of Geoff Huston
>> Sent: Wednesday, November 10, 2010 9:12 PM
>> To: sidr@ietf.org wg
>> Cc: sidr-chairs@tools.ietf.org
>> Subject: [sidr] WG Last Call Request for =
draft-ietf-sidr-roa-validation-10
>>=20
>> Hi,
>>=20
>> We've revised this draft as per the informal poll of the WG in =
today's SIDR meeting
>> regarding the text concerning a "origin AS" when the AS_PATH contain =
as AS_SET path
>> element.
>>=20
>> We request the chairs to conduct a WG Last Call for this draft.
>>=20
>> thanks
>>=20
>>   Geoff & George
>>=20



From Sandra.Murphy@cobham.com  Wed Nov 17 20:53:43 2010
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Before during and after the meeting, there were many requests for last 
calls and wg adoption.  I'm pretty sure that I've captured them all, and I 
list them below.  As soon as I send this message I'm going to start 
sending the calls to the list.

If I have missed tallying a request, please let me know.

There are a lot of them.  I asked those attending the meeting if they 
wanted the whole lot all at the same time and there was strong support for 
sending them all at once.  So get ready, here it comes.

--Sandy


long before meeting:

last calls were announced:

– draft-ietf-sidr-arch-11.txt: An Infrastructure to Support
   Secure Internet Routing
– draft-ietf-sidr-signed-object-01: Signed Object
   Template for the Resource Public Key Infrastructure
– draft-ietf-sidr-ta-06: A Profile for Trust Anchor Material
   for the Resource Certificate PKI

the week before meeting:

Matt Lepinski requested wglc for
1.   roa-format

during the sidr meeting:

Randy Bush requested wglc for
2.   rpki-rtr

Geoff Huston requested wglc for

3.   keyroll

4.   res-certs

5.   repos-struct

6.   rescerts-provisioning

7.   rpki-algs

8.   rpki-manifests

Steve Kent requested wg adoption for

9.   algorithm-agility

Randy requested wg adoption for

10.  ghostbusters

11.  rpki-origin-ops


during and after meeting on the list

Geoff requested wglc for

12.  roa-validation

      rescerts-provisioning (reiteration of previous request)



---1463793359-982282665-1290056068=:15064--

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Subject: [sidr] WGLC for draft-ietf-sidr-roa-format-09
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Matt Lepinski has requested a WG LC for draft "A Profile for Route
Origin Authorizations (ROAs)".

The document and the draft version history are available at
http://tools.ietf.org/wg/sidr/draft-ietf-sidr-roa-format.

The Last Call will end Wed, 1 Dec 2010 (AOE).

As usual, please address all comments to the WG mailing list, and
please be clear in your comments to this last call if you are
supporting the document's submission to the IESG or if you are
opposed. If you are opposed, please indicate why.

--Sandy, speaking with wg chair bonnet on


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Subject: [sidr] WGLC for draft-ietf-sidr-rpki-rtr-02
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Randy Bush has requested a WG LC for draft "The RPKI/Router Protocol".

The document and the draft version history are available at
http://tools.ietf.org/wg/sidr/draft-ietf-sidr-rpki-rtr.

The Last Call will end Wed, 1 Dec 2010 (AOE).

As usual, please address all comments to the WG mailing list, and
please be clear in your comments to this last call if you are
supporting the document's submission to the IESG or if you are
opposed. If you are opposed, please indicate why.

--Sandy, speaking with wg chair cloche on


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Subject: [sidr] WGLC for draft-ietf-sidr-keyroll-04
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Geoff Huston has requested a WG LC for draft "CA Key Rollover in the 
RPKI".

The document and the draft version history are available at
http://tools.ietf.org/wg/sidr/draft-ietf-sidr-keyroll.

The Last Call will end Wed, 1 Dec 2010 (AOE).

As usual, please address all comments to the WG mailing list, and
please be clear in your comments to this last call if you are
supporting the document's submission to the IESG or if you are
opposed. If you are opposed, please indicate why.

--Sandy, speaking with wg chair derby on


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Subject: [sidr] WGLC for draft-ietf-sidr-res-certs-20
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Geoff Huston has requested a WG LC for draft "A Profile for X.509 PKIX
Resource Certificates".

The document and the draft version history are available at
http://tools.ietf.org/wg/sidr/draft-ietf-sidr-res-certs.

The Last Call will end Wed, 1 Dec 2010 (AOE).

As usual, please address all comments to the WG mailing list, and
please be clear in your comments to this last call if you are
supporting the document's submission to the IESG or if you are
opposed. If you are opposed, please indicate why.

--Sandy, speaking with wg chair boater on


From Sandra.Murphy@cobham.com  Wed Nov 17 20:56:53 2010
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Subject: [sidr] WGLC for draft-ietf-sidr-repos-struct-06
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Geoff Huston has requested a WG LC for draft "A Profile for Resource
Certificate Repository Structure".

The document and the draft version history are available at
http://tools.ietf.org/wg/sidr/draft-ietf-sidr-repos-struct.

The Last Call will end Wed, 1 Dec 2010 (AOE).

As usual, please address all comments to the WG mailing list, and
please be clear in your comments to this last call if you are
supporting the document's submission to the IESG or if you are
opposed. If you are opposed, please indicate why.

--Sandy, speaking with wg chair fedora on


From Sandra.Murphy@cobham.com  Wed Nov 17 20:57:27 2010
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Subject: [sidr] WGLC for draft-ietf-sidr-rescerts-provisioning-09
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Geoff Huston has requested a WG LC for draft "A Protocol for
Provisioning Resource Certificates".

The document and the draft version history are available at
http://tools.ietf.org/wg/sidr/draft-ietf-sidr-rescerts-provisioning.

The Last Call will end Wed, 1 Dec 2010 (AOE).

As usual, please address all comments to the WG mailing list, and
please be clear in your comments to this last call if you are
supporting the document's submission to the IESG or if you are
opposed. If you are opposed, please indicate why.

--Sandy, speaking with wg chair bowler on


From Sandra.Murphy@cobham.com  Wed Nov 17 20:58:02 2010
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Date: Wed, 17 Nov 2010 23:58:45 -0500 (EST)
From: Sandra Murphy <sandy@sparta.com>
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Subject: [sidr] WGLC for draft-ietf-sidr-rpki-algs-04
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Geoff Huston has requested a WG LC for draft " A Profile for Algorithms
and Key Sizes for use in the Resource Public Key Infrastructure".

The document and the draft version history are available at
http://tools.ietf.org/wg/sidr/draft-ietf-sidr-rpki-algs/.

The Last Call will end Wed, 1 Dec 2010 (AOE).

As usual, please address all comments to the WG mailing list, and
please be clear in your comments to this last call if you are
supporting the document's submission to the IESG or if you are
opposed. If you are opposed, please indicate why.

--Sandy, speaking with wg chair homburg on


From Sandra.Murphy@cobham.com  Wed Nov 17 20:58:39 2010
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Subject: [sidr] WGLC for draft-ietf-sidr-rpki-manifests-09
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Geoff Huston has requested a WG LC for draft "Manifests for the
Resource Public Key Infrastructure".

The document and the draft version history are available at
http://tools.ietf.org/wg/sidr/draft-ietf-sidr-rpki-manifests.

The Last Call will end Wed, 1 Dec 2010 (AOE).

As usual, please address all comments to the WG mailing list, and
please be clear in your comments to this last call if you are
supporting the document's submission to the IESG or if you are
opposed. If you are opposed, please indicate why.

--Sandy, speaking with wg chair beret on


From Sandra.Murphy@cobham.com  Wed Nov 17 20:59:18 2010
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Date: Wed, 17 Nov 2010 23:59:58 -0500 (EST)
From: Sandra Murphy <sandy@sparta.com>
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Subject: [sidr] WG Adoption for draft-rgaglian-sidr-algorithm-agility-00
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Steve Kent has requested that the working group adopt the draft
draft-rgaglian-sidr-algorithm-agility-00.txt, Algorithm Agility
Procedure for RPKI, as a work item.

It is available at
http://tools.ietf.org/html/draft-rgaglian-sidr-algorithm-agility-00.

Recall that active support for adoption is necessary for the wg chairs
to judge acceptance as a working group work item, so silence works
against adoption.  The wg chairs also want to know who would be
willing to work on the draft.

Please respond to the list, giving your recommendation for or against
adoption of the draft as a wg work item as well as your intention to
work on the draft if adopted. The call for adoption will end in two
weeks on Wed 1 Dec 2010 AOE.

--Sandy, speaking with wg chair helmet on


From Sandra.Murphy@cobham.com  Wed Nov 17 20:59:50 2010
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Date: Thu, 18 Nov 2010 00:00:33 -0500 (EST)
From: Sandra Murphy <sandy@sparta.com>
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Subject: [sidr] WG Adoption for draft-ymbk-ghostbusters-01
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Randy Bush has requested that the working group adopt the draft
draft-ymbk-ghostbusters-01, "The RPKI Ghostbusters Record", as a work
item.

It is available at
http://tools.ietf.org/html/draft-ymbk-ghostbusters-01.

Recall that active support for adoption is necessary for the wg chairs
to judge acceptance as a working group work item, so silence works
against adoption.  The wg chairs also want to know who would be
willing to work on the draft.

Please respond to the list, giving your recommendation for or against
adoption of the draft as a wg work item as well as your intention to
work on the draft if adopted. The call for adoption will end in two
weeks on Wed 1 Dec 2010 AOE.

--Sandy, speaking with wg chair coronet on



From Sandra.Murphy@cobham.com  Wed Nov 17 21:00:37 2010
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From: Sandra Murphy <sandy@sparta.com>
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Subject: [sidr] WG Adoption for draft-ymbk-rpki-origin-ops-00
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Randy Bush has requested that the working group adopt the draft
draft-ymbk-rpki-origin-ops-00, "RPKI-Based Origin Validation
Operations", as a work item.

It is available at
http://tools.ietf.org/html/draft-ymbk-rpki-origin-ops-00.

Recall that active support for adoption is necessary for the wg chairs
to judge acceptance as a working group work item, so silence works
against adoption.  The wg chairs also want to know who would be
willing to work on the draft.

Please respond to the list, giving your recommendation for or against
adoption of the draft as a wg work item as well as your intention to
work on the draft if adopted. The call for adoption will end in two
weeks on Wed 1 Dec 2010 AOE.

--Sandy, speaking with wg chair wimple on


From Sandra.Murphy@cobham.com  Wed Nov 17 21:01:12 2010
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Date: Thu, 18 Nov 2010 00:01:55 -0500 (EST)
From: Sandra Murphy <sandy@sparta.com>
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Subject: [sidr] WG LC for draft-ietf-sidr-roa-validation-10
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Geoff Huston has requested a WG LC for draft "Validation of Route
Origination using the Resource Certificate PKI and ROAs".

The document and the draft version history are available at
http://tools.ietf.org/wg/sidr/draft-ietf-sidr-roa-validation.

The Last Call will end Wed, 1 Dec 2010 (AOE).

As usual, please address all comments to the WG mailing list, and
please be clear in your comments to this last call if you are
supporting the document's submission to the IESG or if you are
opposed. If you are opposed, please indicate why.

--Sandy, speaking with wg chair turban on


From randy@psg.com  Wed Nov 17 22:05:29 2010
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WG Adoption for draft-ymbk-rpki-origin-ops-00
WG Adoption for draft-ymbk-ghostbusters-01

WGLC for draft-ietf-sidr-rpki-manifests-09
WGLC for draft-ietf-sidr-rpki-algs-04
WGLC for draft-ietf-sidr-rescerts-provisioning-09
WGLC for draft-ietf-sidr-repos-struct-06
WGLC for draft-ietf-sidr-res-certs-20
WGLC for draft-ietf-sidr-keyroll-04
WGLC for draft-ietf-sidr-rpki-rtr-02
WGLC for draft-ietf-sidr-roa-format-09

yes please

randy

From henk@ripe.net  Wed Nov 17 23:43:22 2010
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On 18/11/2010 05:56, Sandra Murphy wrote:
> 
> Geoff Huston has requested a WG LC for draft "CA Key Rollover in the RPKI".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-keyroll.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.

Nit, not quite sure where it belongs.  The architecture document still
refers to draft-huston-sidr-keyroll.  This should be fixed.

Henk

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From henk@ripe.net  Wed Nov 17 23:45:32 2010
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On 18/11/2010 05:55, Sandra Murphy wrote:
> 
> Randy Bush has requested a WG LC for draft "The RPKI/Router Protocol".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-rpki-rtr.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.

As far as I can see, this document is not referred to in the
architecture document, making it quite hard to understand where
it fits in the grand scheme of things.   Can this be fixed?


Henk


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From henk@ripe.net  Wed Nov 17 23:46:09 2010
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> The Last Call will end Wed, 1 Dec 2010 (AOE).

Other than the 2 comments I just posted, I think these documents should
go forward.

Henk



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I confirm today what I denied yesterday.            Anonymous Politician.

From henk@ripe.net  Wed Nov 17 23:47:29 2010
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Support all 3,

Henk


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I confirm today what I denied yesterday.            Anonymous Politician.

From gih@apnic.net  Thu Nov 18 00:13:54 2010
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On 18/11/2010, at 3:55 PM, Sandra Murphy wrote:

> 
> Matt Lepinski has requested a WG LC for draft "A Profile for Route
> Origin Authorizations (ROAs)".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-roa-format.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 

I support this document advancing


  Geoff



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On 06/11/2010, at 7:11 AM, Sandra Murphy wrote:

> The authors of draft-ietf-sidr-signed-object-01 =
(http://tools.ietf.org/html/draft-ietf-sidr-signed-object-01) have =
requested a working group last call.
>=20
> The chairs ask the working group to consider this draft and decide if =
it is worthy of publication.
>=20
> This draft has not been through a last call before and next week is =
the IETF week, so the last call will end on 26 November.
>=20

I support this document advancing


  Geoff




From gih@apnic.net  Thu Nov 18 00:14:30 2010
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On 06/11/2010, at 7:10 AM, Sandra Murphy wrote:

> The authors of draft-ietf-sidr-arch =
(http://tools.ietf.org/html/draft-ietf-sidr-arch-11) have requested a =
working group last call.
>=20
> The chairs ask the working group to consider this draft and decide =
whether it is worthy of publication.
>=20
> This draft was in last call about a year ago and some changes have =
been made in the time since.  Given that the IETF is next week, the WG =
LC will end on 26 November.

I support this document advancing


  Geoff



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On 18/11/2010, at 3:55 PM, Sandra Murphy wrote:

> 
> Randy Bush has requested a WG LC for draft "The RPKI/Router Protocol".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-rpki-rtr.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 

I support this document advancing


  Geoff




From gih@apnic.net  Thu Nov 18 00:15:14 2010
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Subject: Re: [sidr] WG Adoption for draft-rgaglian-sidr-algorithm-agility-00
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On 18/11/2010, at 3:59 PM, Sandra Murphy wrote:

> 
> Steve Kent has requested that the working group adopt the draft
> draft-rgaglian-sidr-algorithm-agility-00.txt, Algorithm Agility
> Procedure for RPKI, as a work item.
> 
> It is available at
> http://tools.ietf.org/html/draft-rgaglian-sidr-algorithm-agility-00.
> 
> Recall that active support for adoption is necessary for the wg chairs
> to judge acceptance as a working group work item, so silence works
> against adoption.  The wg chairs also want to know who would be
> willing to work on the draft.
> 
> Please respond to the list, giving your recommendation for or against
> adoption of the draft as a wg work item as well as your intention to
> work on the draft if adopted. The call for adoption will end in two
> weeks on Wed 1 Dec 2010 AOE.
> 

I support this document being adopted


  Geoff






From gih@apnic.net  Thu Nov 18 00:17:01 2010
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Subject: Re: [sidr] WG Adoption for draft-ymbk-rpki-origin-ops-00
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On 18/11/2010, at 4:01 PM, Sandra Murphy wrote:

> 
> Randy Bush has requested that the working group adopt the draft
> draft-ymbk-rpki-origin-ops-00, "RPKI-Based Origin Validation
> Operations", as a work item.
> 
> It is available at
> http://tools.ietf.org/html/draft-ymbk-rpki-origin-ops-00.
> 
> Recall that active support for adoption is necessary for the wg chairs
> to judge acceptance as a working group work item, so silence works
> against adoption.  The wg chairs also want to know who would be
> willing to work on the draft.
> 
> Please respond to the list, giving your recommendation for or against
> adoption of the draft as a wg work item as well as your intention to
> work on the draft if adopted. The call for adoption will end in two
> weeks on Wed 1 Dec 2010 AOE.
> 

I support this document being adopted


  Geoff




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From: Miya Kohno <mkohno@juniper.net>
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Support.=20

Miya
> -----Original Message-----
> From: sidr-bounces@ietf.org [mailto:sidr-bounces@ietf.org] On Behalf
Of
> Sandra Murphy
> Sent: Thursday, November 18, 2010 2:01 PM
> To: sidr@ietf.org
> Subject: [sidr] WG Adoption for draft-ymbk-rpki-origin-ops-00
>=20
>=20
> Randy Bush has requested that the working group adopt the draft
> draft-ymbk-rpki-origin-ops-00, "RPKI-Based Origin Validation
> Operations", as a work item.
>=20
> It is available at
> http://tools.ietf.org/html/draft-ymbk-rpki-origin-ops-00.
>=20
> Recall that active support for adoption is necessary for the wg chairs
> to judge acceptance as a working group work item, so silence works
> against adoption.  The wg chairs also want to know who would be
> willing to work on the draft.
>=20
> Please respond to the list, giving your recommendation for or against
> adoption of the draft as a wg work item as well as your intention to
> work on the draft if adopted. The call for adoption will end in two
> weeks on Wed 1 Dec 2010 AOE.
>=20
> --Sandy, speaking with wg chair wimple on
>=20
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

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On 11/18/10 6:01 AM, Sandra Murphy wrote:
> 
> Randy Bush has requested that the working group adopt the draft
> draft-ymbk-rpki-origin-ops-00, "RPKI-Based Origin Validation
> Operations", as a work item.
> 

support

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Subject: Re: [sidr] WG Adoption for draft-rgaglian-sidr-algorithm-agility-00
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On 11/18/10 5:59 AM, Sandra Murphy wrote:
> 
> Steve Kent has requested that the working group adopt the draft
> draft-rgaglian-sidr-algorithm-agility-00.txt, Algorithm Agility
> Procedure for RPKI, as a work item.
> 

support


From tim@ripe.net  Thu Nov 18 00:32:13 2010
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Subject: Re: [sidr] WGLC for draft-ietf-sidr-rpki-rtr-02
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On 11/18/10 5:55 AM, Sandra Murphy wrote:
> 
> Randy Bush has requested a WG LC for draft "The RPKI/Router Protocol".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-rpki-rtr.
> 

support

I have not worked with this as an implementer myself but considering
that Randy and others have this working in test I believe this can go
forward.

> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair cloche on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


From ggm@apnic.net  Thu Nov 18 00:32:14 2010
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Call for WGLC, I support:

 draft-ietf-sidr-roa-format
 draft-ietf-sidr-rpki-rtr
 draft-ietf-sidr-keyroll
 draft-ietf-sidr-res-certs
 draft-ietf-sidr-repos-struct
 draft-ietf-sidr-rescerts-provisioning
 draft-ietf-sidr-rpki-algs
 draft-ietf-sidr-rpki-manifests
 draft-ietf-sidr-roa-validation
 draft-ietf-sidr-signed-object
 draft-ietf-sidr-ta
 draft-ietf-sidr-arch

Call for WG adoption, I support:

 draft-rgaglian-sidr-algorithm-agility
 draft-ymbk-rpki-origin-ops


From tim@ripe.net  Thu Nov 18 00:32:48 2010
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Subject: Re: [sidr] WG LC for draft-ietf-sidr-arch-11
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On 11/5/10 9:10 PM, Sandra Murphy wrote:
> The authors of draft-ietf-sidr-arch
> (http://tools.ietf.org/html/draft-ietf-sidr-arch-11) have requested a
> working group last call.
> 

support

> The chairs ask the working group to consider this draft and decide
> whether it is worthy of publication.
> 
> This draft was in last call about a year ago and some changes have been
> made in the time since.  Given that the IETF is next week, the WG LC
> will end on 26 November.
> 
> --Sandy, wg chair turban on
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


From kent@bbn.com  Thu Nov 18 00:49:43 2010
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Subject: [sidr] WGLC and WG adoption
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copied from randy's message,


WG Adoption for draft-ymbk-rpki-origin-ops-00
WG Adoption for draft-ymbk-ghostbusters-01

WGLC for draft-ietf-sidr-rpki-manifests-09
WGLC for draft-ietf-sidr-rpki-algs-04
WGLC for draft-ietf-sidr-rescerts-provisioning-09
WGLC for draft-ietf-sidr-repos-struct-06
WGLC for draft-ietf-sidr-res-certs-20
WGLC for draft-ietf-sidr-keyroll-04
WGLC for draft-ietf-sidr-rpki-rtr-02
WGLC for draft-ietf-sidr-roa-format-09

yes.

Steve

From andrei@ripe.net  Thu Nov 18 01:16:16 2010
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Subject: Re: [sidr] WGLC for draft-ietf-sidr-roa-format-09
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I support this request

Andrei

Sandra Murphy wrote on 18/11/10 5:55 AM:
> 
> Matt Lepinski has requested a WG LC for draft "A Profile for Route
> Origin Authorizations (ROAs)".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-roa-format.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair bonnet on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 

From Sandra.Murphy@cobham.com  Thu Nov 18 01:23:03 2010
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Subject: [sidr] WGLC for draft-ietf-sidr-pfx-validate-00
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(OK, so there *is* another one, making lucky 13.)

Randy Bush has requested a WG LC for draft "BGP Prefix Origin
Validation"

The document and the draft version history are available at
http://tools.ietf.org/wg/sidr/draft-ietf-sidr-pfx-validate.

The Last Call will end Thu, 2 Dec 2010 (AOE).

As usual, please address all comments to the WG mailing list, and
please be clear in your comments to this last call if you are
supporting the document's submission to the IESG or if you are
opposed. If you are opposed, please indicate why.

--Sandy, speaking with wg chair cap on


From randy@psg.com  Thu Nov 18 01:31:48 2010
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Subject: Re: [sidr] WGLC for draft-ietf-sidr-pfx-validate-00
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> Randy Bush has requested a WG LC for draft "BGP Prefix Origin
> Validation"
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-pfx-validate.

strangely enough, i support this one too

randy

From tim@ripe.net  Thu Nov 18 01:39:14 2010
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Subject: Re: [sidr] upcoming wg calls
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Hi,

I started sending separate replies, but I am loosing track and spamming
the list in the process.

I agree with George's list, so let me just quote that:
> Call for WGLC, I support:
> 
>  draft-ietf-sidr-roa-format

One very minor nit: I think it would be desirable to have a normative
naming scheme similar to the one used for manifests as defined in the
repos-struct document; using the extension .roa.

Operationally, for validation, it would be useful to have at least the
file extension defined to prevent having to try and parse objects
retrieved to figure out what they are.

But.. I don't want to block this one going forward if others disagree
with this. A large if parses, else if parses, else if parses etc block
in the code is ugly but it can be done.

>  draft-ietf-sidr-rpki-rtr
>  draft-ietf-sidr-keyroll
>  draft-ietf-sidr-res-certs
>  draft-ietf-sidr-repos-struct
>  draft-ietf-sidr-rescerts-provisioning
>  draft-ietf-sidr-rpki-algs
>  draft-ietf-sidr-rpki-manifests
>  draft-ietf-sidr-roa-validation
>  draft-ietf-sidr-signed-object
>  draft-ietf-sidr-ta
>  draft-ietf-sidr-arch
> 
> Call for WG adoption, I support:
> 
>  draft-rgaglian-sidr-algorithm-agility
>  draft-ymbk-rpki-origin-ops
> 

Cheers
Tim

From mkohno@juniper.net  Thu Nov 18 01:41:00 2010
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From: Miya Kohno <mkohno@juniper.net>
To: Sandra Murphy <sandy@sparta.com>, <sidr@ietf.org>
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I support this document progressing. Miya

> -----Original Message-----
> From: sidr-bounces@ietf.org [mailto:sidr-bounces@ietf.org] On Behalf
Of
> Sandra Murphy
> Sent: Thursday, November 18, 2010 6:24 PM
> To: sidr@ietf.org
> Subject: [sidr] WGLC for draft-ietf-sidr-pfx-validate-00
>=20
> (OK, so there *is* another one, making lucky 13.)
>=20
> Randy Bush has requested a WG LC for draft "BGP Prefix Origin
> Validation"
>=20
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-pfx-validate.
>=20
> The Last Call will end Thu, 2 Dec 2010 (AOE).
>=20
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
>=20
> --Sandy, speaking with wg chair cap on
>=20
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

From Sandra.Murphy@cobham.com  Thu Nov 18 01:48:32 2010
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Looks like I need to say:

Support on wg calls from authors of the documents under consideration is 
essentially a no-op for my determination of consensus.  I consider having 
authored a document sufficient indication of support.

(Note that this means that adding a whole bunch of co-authors could leave 
a draft without anyone to stand and cheer when needed.)

--Sandy


On Thu, 18 Nov 2010, Randy Bush wrote:

>> Randy Bush has requested a WG LC for draft "BGP Prefix Origin
>> Validation"
>>
>> The document and the draft version history are available at
>> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-pfx-validate.
>
> strangely enough, i support this one too
>
> randy
>

From ggm@apnic.net  Thu Nov 18 02:06:43 2010
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On 18/11/2010, at 10:49 AM, Sandra Murphy wrote:

> Looks like I need to say:
>=20
> Support on wg calls from authors of the documents under consideration =
is essentially a no-op for my determination of consensus.  I consider =
having authored a document sufficient indication of support.
>=20
> (Note that this means that adding a whole bunch of co-authors could =
leave a draft without anyone to stand and cheer when needed.)
>=20
> --Sandy
>=20

Then please note my co-authorship of keyroll, repos-struct, res-certs, =
provisioning, roa-validation, ta and adjust accordingly.

And accept my apologies for a faux pas

-george=

From andrei@ripe.net  Thu Nov 18 02:06:51 2010
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I support requests for the WGLC for the following drafts:


 draft-ietf-sidr-rpki-rtr
 draft-ietf-sidr-keyroll
 draft-ietf-sidr-res-certs
 draft-ietf-sidr-repos-struct
 draft-ietf-sidr-rescerts-provisioning
 draft-ietf-sidr-rpki-algs
 draft-ietf-sidr-rpki-manifests
 draft-ietf-sidr-roa-validation
 draft-ietf-sidr-signed-object
 draft-ietf-sidr-ta
 draft-ietf-sidr-arch
 draft-ietf-sidr-pfx-validate

Andrei


From Sandra.Murphy@cobham.com  Thu Nov 18 02:24:00 2010
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Which part of "no-op" did you interpret as indicating a faux pas?

Just trying to help people avoid sending more mail than necessary.

Tho' since people seem to be optimizing by aggregation there probably 
won't be much overall reduction in email.

There's no intent to indicate a faux pas in that observation, either.

--Sandy


On Thu, 18 Nov 2010, George Michaelson wrote:

>
> On 18/11/2010, at 10:49 AM, Sandra Murphy wrote:
>
>> Looks like I need to say:
>>
>> Support on wg calls from authors of the documents under consideration is essentially a no-op for my determination of consensus.  I consider having authored a document sufficient indication of support.
>>
>> (Note that this means that adding a whole bunch of co-authors could leave a draft without anyone to stand and cheer when needed.)
>>
>> --Sandy
>>
>
> Then please note my co-authorship of keyroll, repos-struct, res-certs, provisioning, roa-validation, ta and adjust accordingly.
>
> And accept my apologies for a faux pas
>
> -george

From kent@bbn.com  Thu Nov 18 02:25:34 2010
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In addition to the lust I copied from Randy, I also support progressing

  draft-ietf-sidr-roa-validation-10
  draft-ietf-sidr-arch-11
  draft-ietf-sidr-signed-object-01
  draft-ietf-sidr-ta-06

From sra@hactrn.net  Thu Nov 18 03:20:10 2010
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Date: Thu, 18 Nov 2010 12:20:52 +0100
From: Rob Austein <sra@isc.org>
To: sidr@ietf.org
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Subject: Re: [sidr] WG Last Call Request for	draft-ietf-sidr-roa-validation-10
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At Wed, 17 Nov 2010 15:01:41 +1100, Geoff Huston wrote:
> 
> Having explored such byways of additional validity states in earlier
> iterations  of this draft (see -00, for example), and receiving at the
> time robust negative comment from WG members at the time as to the
> wisdom and feasibility of such an approach, it is my impression that 
> most WG members with an active interest in this topic see no value
> in adding further complexity to the ROA semantics beyond what is in
> the current iteration of this draft. Having spent some time thinking
> about this myself in revising this document in response to such 
> earlier comments, its a position with which I now personally favour 
> as well.

Strongly agree.  Please keep this simple.

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Subject: Re: [sidr] WG LC for draft-ietf-sidr-arch-11
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	Support.

-as

On 5 Nov 2010, at 18:10, Sandra Murphy wrote:

> The authors of draft-ietf-sidr-arch =
(http://tools.ietf.org/html/draft-ietf-sidr-arch-11) have requested a =
working group last call.
>=20
> The chairs ask the working group to consider this draft and decide =
whether it is worthy of publication.
>=20
> This draft was in last call about a year ago and some changes have =
been made in the time since.  Given that the IETF is next week, the WG =
LC will end on 26 November.
>=20
> --Sandy, wg chair turban on
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


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Subject: Re: [sidr] WGLC for draft-ietf-sidr-rpki-rtr-02
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	Support.

.as


On 18 Nov 2010, at 02:55, Sandra Murphy wrote:

> 
> Randy Bush has requested a WG LC for draft "The RPKI/Router Protocol".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-rpki-rtr.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair cloche on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


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Subject: Re: [sidr] WG Adoption for draft-ymbk-rpki-origin-ops-00
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	Support.

-as

On 18 Nov 2010, at 03:01, Sandra Murphy wrote:

> 
> Randy Bush has requested that the working group adopt the draft
> draft-ymbk-rpki-origin-ops-00, "RPKI-Based Origin Validation
> Operations", as a work item.
> 
> It is available at
> http://tools.ietf.org/html/draft-ymbk-rpki-origin-ops-00.
> 
> Recall that active support for adoption is necessary for the wg chairs
> to judge acceptance as a working group work item, so silence works
> against adoption.  The wg chairs also want to know who would be
> willing to work on the draft.
> 
> Please respond to the list, giving your recommendation for or against
> adoption of the draft as a wg work item as well as your intention to
> work on the draft if adopted. The call for adoption will end in two
> weeks on Wed 1 Dec 2010 AOE.
> 
> --Sandy, speaking with wg chair wimple on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


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Subject: Re: [sidr] WG Adoption for draft-rgaglian-sidr-algorithm-agility-00
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	Support.

-as

On 18 Nov 2010, at 02:59, Sandra Murphy wrote:

> 
> Steve Kent has requested that the working group adopt the draft
> draft-rgaglian-sidr-algorithm-agility-00.txt, Algorithm Agility
> Procedure for RPKI, as a work item.
> 
> It is available at
> http://tools.ietf.org/html/draft-rgaglian-sidr-algorithm-agility-00.
> 
> Recall that active support for adoption is necessary for the wg chairs
> to judge acceptance as a working group work item, so silence works
> against adoption.  The wg chairs also want to know who would be
> willing to work on the draft.
> 
> Please respond to the list, giving your recommendation for or against
> adoption of the draft as a wg work item as well as your intention to
> work on the draft if adopted. The call for adoption will end in two
> weeks on Wed 1 Dec 2010 AOE.
> 
> --Sandy, speaking with wg chair helmet on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


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	Support.

-as

On 18 Nov 2010, at 02:55, Sandra Murphy wrote:

> 
> Matt Lepinski has requested a WG LC for draft "A Profile for Route
> Origin Authorizations (ROAs)".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-roa-format.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair bonnet on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


From sanjaya@apnic.net  Thu Nov 18 03:59:38 2010
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From: Sanjaya <sanjaya@apnic.net>
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Subject: [sidr] WGLC support
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I support for WGLC

  draft-ietf-sidr-roa-format-10
  draft-ietf-sidr-rpki-rtr-02
  draft-ietf-sidr-keyroll-04
  draft-ietf-sidr-res-certs-20
  draft-ietf-sidr-repos-struct-06
  draft-ietf-sidr-rescerts-provisioning-09
  draft-ietf-sidr-rpki-algs-04
  draft-ietf-sidr-rpki-manifests-09
  draft-ietf-sidr-roa-validation-10
  draft-ietf-sidr-signed-object-01
  draft-ietf-sidr-ta-06
  draft-ietf-sidr-arch-11

I support for adoption

  draft-rgaglian-sidr-algorithm-agility-00
  draft-ymbk-rpki-origin-ops-00

Cheers,
Sanjaya

From rogaglia@cisco.com  Thu Nov 18 05:48:49 2010
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From: Roque Gagliano <rogaglia@cisco.com>
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To: Geoff Huston <gih@apnic.net>
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Subject: Re: [sidr] WG Last Call request for draft-ietf-sidr-rescerts-provisioning-09
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Hi Geoff,

Thank you for your email, please see comments inline.

>=20
> I am of the opinion that the protocol already has sufficient knobs to =
support an environment of algorithm transition without further =
augmentation.
>=20
> The existing protocol supports:
> - multiple algorithms are implemented as multiple classes
(Roque) agree.
> - algorithms for each class are identified in the certificate provided =
by the server in the response to a LIST command
(Roque) agree. I believe you meant that as we implement top-down you =
could use the issuer's certificate, correct?
> - the server performs a proof of possession text using the algorithm =
associated with the class that was nominated in the certificate request.
(Roque) agree. And if we do not create any additional error code and if =
a client sends a "issue" request using a non-supported algorithm for a =
given class, the server will respond MUST an error code 1203: badly =
formed payload. correct?

I will add text describing this mechanism in the next version of the =
agility draft.

Regards,
Roque.

>  Geoff
>=20


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From andrei@ripe.net  Thu Nov 18 06:04:54 2010
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From: Andrei Robachevsky <andrei@ripe.net>
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Subject: Re: [sidr] Certificate Policy -- last change
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This change works for me, I support the request for the WGLC for this
document.

Andrei

Karen Seo wrote on 16/11/10 4:31 PM:
> Sandy, Chris -- If there are no complaints by the end of this week about
> the proposed change below, we will have addressed all known comments and
> request that you declare WGLC done on the Certificate Policy.
> 
> All -- Based on input from Geoff Huston and Randy Bush, we propose to
> change the 2nd paragraph of the Overview as follows.
> 
> From:
>   "The structure of the RPKI is modeled on the existing organizational
>    structure that is already responsible for IP address and AS number
>    resource allocation. In this allocation hierarchy, IANA allocates
>    resources to five Regional Internet Registries (RIRs), each of which
>    manages address and AS number allocation within a defined
>    geopolitical region. The RIRs in turn allocate resources to Internet
>    Service Providers, to subscribers with so-called provider-
>    independent ("portable") allocations, and in some regions, to
>    National Internet Registries (NIRs). (The term LIR is used in some
>    regions to refer to what other regions define as an ISP. Throughout
>    the rest of this document we will use the term ISP to simplify
>    references to these entities.)"
> 
> To:
>   "The structure of the RPKI is congruent with the number resource
>    allocation framework of the Internet. The IANA allocates number
>    resources for special purposes [RFC5736], to Regional Internet
>    Registries (RIRs), and to others.  The RIRs, in turn, manage the
>    allocation of number resources to end users, Internet Service
>    Providers, and others."
> 
> Thank you,
> Karen
> 
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 

From gih@apnic.net  Thu Nov 18 06:20:29 2010
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On 18/11/2010, at 8:23 PM, Sandra Murphy wrote:

> (OK, so there *is* another one, making lucky 13.)
>=20
> Randy Bush has requested a WG LC for draft "BGP Prefix Origin
> Validation"
>=20
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-pfx-validate.
>=20
> The Last Call will end Thu, 2 Dec 2010 (AOE).
>=20
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
>=20

I don't think this document is ready to head to the IESG.=20

By and large I agree with the observations and recommendations in this =
document, but I don;t believe that this is ready for the IESG. More =
wordsmithing for clarity and consistency is requires in my view (see =
below)

Also, one statement struck me as needing further commentary:

Section 5. Routing Policy

   Announcements with invalid origins MAY be used, but SHOULD be less
   preferred than those with valid or unknown.


Here I agree with the sentiment in terms of the relativity to valid or =
unknown, but I am worried about the MAY statement here, and I would like =
the document to explain this further.

For example, a simple reading of the document leads one to believe that =
all announcements MAY still be accepted according to the routing policy =
selection allowed in section 5, yet if that were the case then the =
ability of origin validation to "deal with inadvertent =
mis-advertisement" is questionable.

I would prefer the document to look at the implication of _why_ a party =
MAY accept a route that the origination validation framework is leading =
to a local judgement that the route is invalid. i.e. is it because of =
missing information in the relying party's local cache, which may bne =
resolved over time? Is is due to potential circularity of dependence, =
where parts of the RPKI distributed repository lie behind routes that =
can only be judged as valid using certs and ROAs found in that =
repository?=20

I would also like to see the security considerations section include a =
statement to the effect that if a party were to use routes that have an =
invalid validity state then the ability to detect and filter certain =
forms of mis-advertisement would in effect be negated.

Back to the wordsmithing and consistency comment, the terminology of =
unvalidatable origins and unknown origin is used in different sentences =
- it would be better to use consistent terminology.

It would also be good if the terminology of validity state is consistent =
- are we talking about "announcements" or "routes"? Are we talking about =
"valid origin" or "routes that are validated by the RPKI ROA framework"?

So close, but not quite ready for shipping yet in my opinion.

(My apologies - I should've commented earlier on this, but its only a =
WGLC that leads to these reviews happening for me.)

  thanks,

    Geoff





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On 19/11/2010, at 12:49 AM, Roque Gagliano wrote:

> Hi Geoff,
>=20
> Thank you for your email, please see comments inline.
>=20
>>=20
>> I am of the opinion that the protocol already has sufficient knobs to =
support an environment of algorithm transition without further =
augmentation.
>>=20
>> The existing protocol supports:
>> - multiple algorithms are implemented as multiple classes
> (Roque) agree.
>> - algorithms for each class are identified in the certificate =
provided by the server in the response to a LIST command
> (Roque) agree. I believe you meant that as we implement top-down you =
could use the issuer's certificate, correct?

geoff: yes.

>> - the server performs a proof of possession text using the algorithm =
associated with the class that was nominated in the certificate request.
> (Roque) agree. And if we do not create any additional error code and =
if a client sends a "issue" request using a non-supported algorithm for =
a given class, the server will respond MUST an error code 1203: badly =
formed payload. correct?

Geoff: Correct. In an algorithm transition context, the client MUST use =
the same algorithm as used in the server (issuer's) certificate within a =
resource class  (as provided by the Issuer in the LIST command =
response), and the server will response with a 1203 error code =
otherwise. You can write that up in the algorithm document.=20



>=20
> I will add text describing this mechanism in the next version of the =
agility draft.

thank you

 Geoff


From ietfc@btconnect.com  Thu Nov 18 10:48:05 2010
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Back in 2008, you explained to me what an RPKI was and implied that the words
you used here, or something like them, would go in the arch document.  Your
first two paragraphs would seem appropriate but I don't see them:-(

The start of 2.1 would seem a suitable place.

I note too that RPKI is never expanded, on first or subsequent use (or should
that be rPKI?).

Tom Petch


----- Original Message -----
From: "Stephen Kent" <kent@bbn.com>
To: "tom.petch" <cfinss@dial.pipex.com>
Cc: <sidr@ietf.org>
Sent: Monday, December 01, 2008 4:29 PM
Subject: Re: [sidr] One and only one RPKI


> At 7:40 PM +0100 11/26/08, tom.petch wrote:
> >piggybacking, a question that has been bugging me , what is an RPKI?
>
> The resource PKI is an instance of a PKI, devoted to issuing certs
> for the "resources" that are managed by IANA and the RIRs, i.e.,
> Internet address space and autonomous system numbers.
>
> >Is it an 'object class' of which the one discussed within sidr is an object
> >instance?
>
> There is only one resource allocation system for the Internet, so
> there is only one RPKI.
>
> >or is it something invented by sidr/RPSEC/IETF etc and does not
> >exist outside this?
>
> SIDR is creating the standards that define the RPKI, while IANA and
> the RIRs are implementing CAs, protocols, and repositories consistent
> with those standards.
>
> >I have been through the I-Ds and they all seem to take this knowledge
> >as a prerequisite but without any normative reference thereto.
>
> Sorry that we didn't do an adequate job there.  We will revisit the
> documents , primarily the architecture document, and see how we can
> improve the communication.
>
> >Perhaps draft-ietf-sidr-arch could contain an explanation (and an expansion
> >of  RPKI when first it appears:-).
>
> yes, it should!
>
> Steve


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From: Roque Gagliano <rogaglia@cisco.com>
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Hi Sandra,

I support this document with one editing comment.

I do not know the history behind the name ROA, I believe at one time =
there were some document that used the last A=3Dattestation and some =
A=3Dauthorization. AFAIK, all WG texts take the later definition.

However, the OID for the ContentType is registrated as  =
routeOriginAttestation. I believe this generate some confusion. If there =
is not any issue, it may be a good time to request a change of the =
description in the registry. This can be done by sending an email to the =
email: ietf-pkix-oid-reg@imc.org

Roque.


On Nov 18, 2010, at 5:55 AM, Sandra Murphy wrote:

>=20
> Matt Lepinski has requested a WG LC for draft "A Profile for Route
> Origin Authorizations (ROAs)".
>=20
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-roa-format.
>=20
> The Last Call will end Wed, 1 Dec 2010 (AOE).
>=20
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
>=20
> --Sandy, speaking with wg chair bonnet on
>=20
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


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From bje@apnic.net  Thu Nov 18 15:56:06 2010
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I support this draft advancing.

On 18/11/2010, at 2:55 PM, Sandra Murphy wrote:

> 
> Matt Lepinski has requested a WG LC for draft "A Profile for Route
> Origin Authorizations (ROAs)".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-roa-format.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair bonnet on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


From bje@apnic.net  Thu Nov 18 15:56:30 2010
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I support this draft advancing.

On 18/11/2010, at 2:55 PM, Sandra Murphy wrote:

> 
> Randy Bush has requested a WG LC for draft "The RPKI/Router Protocol".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-rpki-rtr.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair cloche on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

--
Byron Ellacott                         email:           bje@apnic.net
Technical Director, APNIC              sip:        bje@voip.apnic.net
http://www.apnic.net                   phone:         +61 7 3858 3100
________________________________________________________________________
 * Sent by email to save paper. Print only if necessary.



From bje@apnic.net  Thu Nov 18 15:57:07 2010
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From: Byron Ellacott <bje@apnic.net>
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Subject: Re: [sidr] WGLC for draft-ietf-sidr-keyroll-04
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I support this one, too.

On 18/11/2010, at 2:56 PM, Sandra Murphy wrote:

> 
> Geoff Huston has requested a WG LC for draft "CA Key Rollover in the RPKI".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-keyroll.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair derby on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

--
Byron Ellacott                         email:           bje@apnic.net
Technical Director, APNIC              sip:        bje@voip.apnic.net
http://www.apnic.net                   phone:         +61 7 3858 3100
________________________________________________________________________
 * Sent by email to save paper. Print only if necessary.



From bje@apnic.net  Thu Nov 18 15:57:25 2010
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I also support this one.

On 18/11/2010, at 2:56 PM, Sandra Murphy wrote:

> 
> Geoff Huston has requested a WG LC for draft "A Profile for X.509 PKIX
> Resource Certificates".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-res-certs.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair boater on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

--
Byron Ellacott                         email:           bje@apnic.net
Technical Director, APNIC              sip:        bje@voip.apnic.net
http://www.apnic.net                   phone:         +61 7 3858 3100
________________________________________________________________________
 * Sent by email to save paper. Print only if necessary.



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+1 support here.

On 18/11/2010, at 2:57 PM, Sandra Murphy wrote:

> 
> Geoff Huston has requested a WG LC for draft "A Profile for Resource
> Certificate Repository Structure".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-repos-struct.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair fedora on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

--
Byron Ellacott                         email:           bje@apnic.net
Technical Director, APNIC              sip:        bje@voip.apnic.net
http://www.apnic.net                   phone:         +61 7 3858 3100
________________________________________________________________________
 * Sent by email to save paper. Print only if necessary.



From bje@apnic.net  Thu Nov 18 15:58:20 2010
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Subject: Re: [sidr] WGLC for draft-ietf-sidr-rpki-algs-04
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I support this draft advancing.

On 18/11/2010, at 2:58 PM, Sandra Murphy wrote:

> 
> Geoff Huston has requested a WG LC for draft " A Profile for Algorithms
> and Key Sizes for use in the Resource Public Key Infrastructure".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-rpki-algs/.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair homburg on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


From bje@apnic.net  Thu Nov 18 15:58:48 2010
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Subject: Re: [sidr] WGLC for draft-ietf-sidr-rpki-manifests-09
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I support this WGLC.

On 18/11/2010, at 2:59 PM, Sandra Murphy wrote:

> 
> Geoff Huston has requested a WG LC for draft "Manifests for the
> Resource Public Key Infrastructure".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-rpki-manifests.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair beret on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


From bje@apnic.net  Thu Nov 18 16:01:16 2010
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Subject: Re: [sidr] WG LC for draft-ietf-sidr-roa-validation-10
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I support this document advancing.

On 18/11/2010, at 3:01 PM, Sandra Murphy wrote:

> 
> Geoff Huston has requested a WG LC for draft "Validation of Route
> Origination using the Resource Certificate PKI and ROAs".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-roa-validation.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair turban on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


From bje@apnic.net  Thu Nov 18 16:02:26 2010
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Subject: Re: [sidr] WG Adoption for draft-rgaglian-sidr-algorithm-agility-00
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I support adoption of this draft.

On 18/11/2010, at 2:59 PM, Sandra Murphy wrote:

> 
> Steve Kent has requested that the working group adopt the draft
> draft-rgaglian-sidr-algorithm-agility-00.txt, Algorithm Agility
> Procedure for RPKI, as a work item.
> 
> It is available at
> http://tools.ietf.org/html/draft-rgaglian-sidr-algorithm-agility-00.
> 
> Recall that active support for adoption is necessary for the wg chairs
> to judge acceptance as a working group work item, so silence works
> against adoption.  The wg chairs also want to know who would be
> willing to work on the draft.
> 
> Please respond to the list, giving your recommendation for or against
> adoption of the draft as a wg work item as well as your intention to
> work on the draft if adopted. The call for adoption will end in two
> weeks on Wed 1 Dec 2010 AOE.
> 
> --Sandy, speaking with wg chair helmet on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

From bje@apnic.net  Thu Nov 18 16:02:43 2010
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Subject: Re: [sidr] WG Adoption for draft-ymbk-rpki-origin-ops-00
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I support adoption of this draft.

On 18/11/2010, at 3:01 PM, Sandra Murphy wrote:

> 
> Randy Bush has requested that the working group adopt the draft
> draft-ymbk-rpki-origin-ops-00, "RPKI-Based Origin Validation
> Operations", as a work item.
> 
> It is available at
> http://tools.ietf.org/html/draft-ymbk-rpki-origin-ops-00.
> 
> Recall that active support for adoption is necessary for the wg chairs
> to judge acceptance as a working group work item, so silence works
> against adoption.  The wg chairs also want to know who would be
> willing to work on the draft.
> 
> Please respond to the list, giving your recommendation for or against
> adoption of the draft as a wg work item as well as your intention to
> work on the draft if adopted. The call for adoption will end in two
> weeks on Wed 1 Dec 2010 AOE.
> 
> --Sandy, speaking with wg chair wimple on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


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+1 support on this document, too.

On 18/11/2010, at 6:33 PM, Tim Bruijnzeels wrote:

> On 11/5/10 9:10 PM, Sandra Murphy wrote:
>> The authors of draft-ietf-sidr-arch
>> (http://tools.ietf.org/html/draft-ietf-sidr-arch-11) have requested a
>> working group last call.
>> 
> 
> support
> 
>> The chairs ask the working group to consider this draft and decide
>> whether it is worthy of publication.
>> 
>> This draft was in last call about a year ago and some changes have been
>> made in the time since.  Given that the IETF is next week, the WG LC
>> will end on 26 November.
>> 
>> --Sandy, wg chair turban on
>> _______________________________________________
>> 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

--
Byron Ellacott                         email:           bje@apnic.net
Technical Director, APNIC              sip:        bje@voip.apnic.net
http://www.apnic.net                   phone:         +61 7 3858 3100
________________________________________________________________________
 * Sent by email to save paper. Print only if necessary.



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Support.


On 18/11/2010, at 14:58, Sandra Murphy wrote:

> 
> Geoff Huston has requested a WG LC for draft " A Profile for Algorithms
> and Key Sizes for use in the Resource Public Key Infrastructure".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-rpki-algs/.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair homburg on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

-- 
Robert Loomans                         email:       robertl@apnic.net
Senior Software Engineer, APNIC        sip:    robertl@voip.apnic.net
http://www.apnic.net/                  phone:         +61 7 3858 3100


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Support

On 18/11/2010, at 14:59, Sandra Murphy wrote:

> 
> Geoff Huston has requested a WG LC for draft "Manifests for the
> Resource Public Key Infrastructure".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-rpki-manifests.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair beret on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

-- 
Robert Loomans                         email:       robertl@apnic.net
Senior Software Engineer, APNIC        sip:    robertl@voip.apnic.net
http://www.apnic.net/                  phone:         +61 7 3858 3100


From robertl@apnic.net  Thu Nov 18 16:26:43 2010
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Support.

On 18/11/2010, at 15:01, Sandra Murphy wrote:

> 
> Geoff Huston has requested a WG LC for draft "Validation of Route
> Origination using the Resource Certificate PKI and ROAs".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-roa-validation.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair turban on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

-- 
Robert Loomans                         email:       robertl@apnic.net
Senior Software Engineer, APNIC        sip:    robertl@voip.apnic.net
http://www.apnic.net/                  phone:         +61 7 3858 3100


From robertl@apnic.net  Thu Nov 18 16:28:14 2010
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Support.

On 18/11/2010, at 14:56, Sandra Murphy wrote:

> 
> Geoff Huston has requested a WG LC for draft "CA Key Rollover in the RPKI".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-keyroll.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair derby on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

-- 
Robert Loomans                         email:       robertl@apnic.net
Senior Software Engineer, APNIC        sip:    robertl@voip.apnic.net
http://www.apnic.net/                  phone:         +61 7 3858 3100


From robertl@apnic.net  Thu Nov 18 16:28:36 2010
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Support.

On 18/11/2010, at 14:55, Sandra Murphy wrote:

> 
> Matt Lepinski has requested a WG LC for draft "A Profile for Route
> Origin Authorizations (ROAs)".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-roa-format.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair bonnet on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr

-- 
Robert Loomans                         email:       robertl@apnic.net
Senior Software Engineer, APNIC        sip:    robertl@voip.apnic.net
http://www.apnic.net/                  phone:         +61 7 3858 3100


From mreynold@bbn.com  Thu Nov 18 17:25:12 2010
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Subject: Re: [sidr] WGLC for draft-ietf-sidr-rpki-rtr-02
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The text refers to "rcynic" in two places. However, rcynic is not the only
relying party software that supports the RTR protocol. Wouldn't it
improve the generality of the text to say "relying party software that
supports this protocol (such as rcynic)" instead of just "rcynic".

> 
> On 18/11/2010, at 2:55 PM, Sandra Murphy wrote:
> 
>> 
>> Randy Bush has requested a WG LC for draft "The RPKI/Router Protocol".
>> 
>> The document and the draft version history are available at
>> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-rpki-rtr.
>> 
>> The Last Call will end Wed, 1 Dec 2010 (AOE).
>> 
>> As usual, please address all comments to the WG mailing list, and
>> please be clear in your comments to this last call if you are
>> supporting the document's submission to the IESG or if you are
>> opposed. If you are opposed, please indicate why.
>> 
>> --Sandy, speaking with wg chair cloche on
>> 
>> _______________________________________________
>> sidr mailing list
>> sidr@ietf.org
>> https://www.ietf.org/mailman/listinfo/sidr
> 
> --
> Byron Ellacott                         email:           bje@apnic.net
> Technical Director, APNIC              sip:        bje@voip.apnic.net
> http://www.apnic.net                   phone:         +61 7 3858 3100
> ________________________________________________________________________
> * Sent by email to save paper. Print only if necessary.
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> 
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From eosterweil@verisign.com  Thu Nov 18 17:33:01 2010
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Hello everyone,

I have reviewed this draft and I have several questions and comments.  As a
relative newcomer to this list, I have not at all ruled out the possibility
that some comments and questions below are the result of my own naivety.
However, I have done the obvious background reading to try and minimize the
incidence of this.  :-P

As a reader, Section 2 para 4 kind of confuses me.  There is a vague
discussion of "a period of time" and "'staging period,'" but neither is
explained until much later in the draft.  My suggestion is to be more
explicit about _why_ the draft has the need for this waiting period.  From
reading the entire draft, it later seems that this is to ensure that the new
CA is propagated widely enough before going live?  Could the draft just say
something along those lines?

Later in the Section there is a 6-step rollover process:
- In step 2 I am a little worried about the notion that no rollover is
possible until the issuer has issued a request and received a responded with
new certificate.  I can clearly see how clean this model is, but practically
speaking, doesn't that mean that an authority cannot take action in response
to an event (such as a key compromise) until someone else's operational
cycles are met?
- Related to this, I am also a little confused about the "CPS."  I'm
wondering how realistic it is for someone to predict their turnaround time
on something like this.  What if the prediction is very off (sometimes,
occasionally, etc)?  To be clear, my trepidation on this doesn't come from
ambiguity of the concept (it does seem quite clean), but from some
observations of complications in the DNSSEC rollout.  When implementing some
simple ideas, things have sometimes become very complicated. :)
- Also in step 2 I don't understand why the issues must select a distinct
subject name?  Also, is there an expectation that this is globally distinct?
- In step 3, the second bullet includes the statement "As quickly as
possible..."  I think it might be more instructive to explain some tradeoffs
of various timing decisions?  As a reader, I don't clearly understand why
this should be done quickly, or what the draft considers "quickly."  Would
it be possible to explain why delaying causes trouble, and at what point
delaying causes that trouble, etc?
- Also in step 3, I believe the third bullet explains that the new CA needs
to create a temporary EE cert solely to seed the new CA's manifest, and then
below the private portion of that EE's key [must|should|may] be destroyed.
I don't think I understand why so many moving parts exist here.  Is this
because the manifest cannot begin by being empty?  If so, why not, and why
not define something that can securely illustrate an empty manifest?  I can
clearly see how this is intended to work, but not why it needs so many
moving parts.  In its current form, it seems like there is a fair amount of
room for operational mistakes to wreak some havoc?  For example, what if the
private portion of the EE key is compromised?  Is this a problem?
- In step 4, the text says "all RPs."  Does this mean all RPs in the
Internet, or some other subset, and if the former what order of magnitude
are people envisioning for the number of global RPs?
- Also in step 4, I was wondering what happens if the load of keeping the
current CA and the new CA up to date causes them to fall behind?  I think
that (assuming the current and new CAs are on the same directory repo) the
text essentially requires the directory repo to do double duty (i.e. double
its load) during a rollover.  What if it cannot keep up, it will be in a
rollover state forever, right?
- A somewhat related concern in step 4, I think revocation gets kind of
hairy too: if a cert is issued during a rollover, and then revoked before
the rollover finishes, I don't think the text explains how this should be
represented in the new CA.  The text says new certs should go in the new CA,
but it also says no revocations should go in the new CA's CRL.  The staging
period exists so that RPs can be learning of the new CA, right? So they
would see the new cert, but no revocation?

Finally, the end of Section 5 really got my attention with the text, " When
a CA rekeys, it changes many signed objects, thus impacting all RPs."  This
statement makes me wonder how large an effect any given CA can have on
global stability.  Could this be a [D]DoS vector?  I think some
clarification on how to determine the impact a single party can have on the
rest of the RPs would be very useful here?

I hope some of this made sense,  :)

Eric

On 11/17/10 8:56 PM, "Sandra Murphy" <sandy@sparta.com> wrote:

> 
> 
> Geoff Huston has requested a WG LC for draft "CA Key Rollover in the
> RPKI".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-keyroll.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair derby on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr
> 


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Oops, missed one, I also support this WG LC.

Thanks,
  Byron

> From: Sandra Murphy <sandy@sparta.com>
> Date: 5 November 2010 9:15:45 PM GMT+01:00
> To: sidr@ietf.org
> Subject: [sidr] WG LC for draft-ietf-sidr-ta-05
>=20
> On 14 September, Chris Morrow, with wg fedora on, said of =
draft-ietf-sidr-ta-04:
>=20
>> Unless there are complaints about this, please get a last rev in
>> before Bejing so it can start LC just before the meeting.
>=20
> The authors have submitted a new version =
(http://tools.ietf.org/html/draft-ietf-sidr-ta-05) and have requested a =
working group last call.
>=20
> The chairs ask the working group to consider this draft and decide =
whether it is worthy of publication.
>=20
> Given that next week is IETF week, the last call will end 26 November.
>=20
> --Sandy, wg chair skullcap on
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr



From gih@apnic.net  Thu Nov 18 21:21:00 2010
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Subject: Re: [sidr] WGLC for draft-ietf-sidr-keyroll-04
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Thank you for these review comments.

On 19/11/2010, at 12:33 PM, Osterweil, Eric wrote:

> Hello everyone,
>=20
> I have reviewed this draft and I have several questions and comments.  =
As a
> relative newcomer to this list, I have not at all ruled out the =
possibility
> that some comments and questions below are the result of my own =
naivety.
> However, I have done the obvious background reading to try and =
minimize the
> incidence of this.  :-P
>=20
> As a reader, Section 2 para 4 kind of confuses me.  There is a vague
> discussion of "a period of time" and "'staging period,'" but neither =
is
> explained until much later in the draft.  My suggestion is to be more
> explicit about _why_ the draft has the need for this waiting period.  =
From
> reading the entire draft, it later seems that this is to ensure that =
the new
> CA is propagated widely enough before going live?  Could the draft =
just say
> something along those lines?


The draft adopts what I consider to be a conventional approach of =
describing the  algorithm in terms of an overall summary, then describes =
the algorithm in detail.

Given that its a technical document describing a complex process I am =
not sure that the document necessarily could be understood in a single =
reading. Doubtless an implementor would read though it multiple times in =
order to ensure that they fully understand the implications of this =
process for relying parties as well as for CAs.

In terms of explaining motivation for the procedure and the overall =
interaction of the parties here, this task has been undertaken by the =
sidr architecture document, and this document defers to the architecture =
for the detail on _why_ specific actions are required, as key roll =
itself is not a process that exist in isolation from the other =
components of the RPKI.

>=20
> Later in the Section there is a 6-step rollover process:
> - In step 2 I am a little worried about the notion that no rollover is
> possible until the issuer has issued a request and received a =
responded with
> new certificate.  I can clearly see how clean this model is, but =
practically
> speaking, doesn't that mean that an authority cannot take action in =
response
> to an event (such as a key compromise) until someone else's =
operational
> cycles are met?


Perhaps a thorough read of the architecture document, and the CP =
document would answer. Given that the subject is requesting an issuer to =
mint a new certificate, then the conventional process in PKIs is for the =
subject to request a certificate and await the outcome of the issuer's =
operational cycles that result in the certificate being issued. Indeed =
its somewhat difficult to understand what an alternate process may look =
like.

On the other hand it is also noted that the staging period is a minimum =
of 24 hours, but no maximum is stated. If a CA wishes to use a procedure =
of preparing a new CA certificate well in advance and holding it ready =
in preparation for a rollover, then the CA entity can perform an =
emergency key rollover that relates to the issuance and publication of =
subordinate products with the NEW CA key within timing constraints that =
are completely under the CA entity's control.

However, such operational practices are up to the CA concerned. This =
document describes in normative language that part of the algorithm that =
is the essential  component that is requires for safe interoperation in =
the context of the RPKI.



> - Related to this, I am also a little confused about the "CPS."  I'm
> wondering how realistic it is for someone to predict their turnaround =
time
> on something like this.  What if the prediction is very off =
(sometimes,
> occasionally, etc)?  To be clear, my trepidation on this doesn't come =
from
> ambiguity of the concept (it does seem quite clean), but from some
> observations of complications in the DNSSEC rollout.  When =
implementing some
> simple ideas, things have sometimes become very complicated. :)


I am unsure what  text, if any you are proposing here. The document is =
clear that  the CA MUST perform the steps steps in the order given, and, =
unless specified  otherwise, each step SHOULD be performed without any =
intervening delay, and that the process MUST be run through to =
completion.

The staging period is specified as: This duration of the Staging Period =
is determined by the CA, but it MUST be no less than 24 hours.  The =
Staging Period is intended  to afford an opportunity for all RPs to =
download the NEW CA certificate, prior to publication of certificates.

I'm unsure where the process complication arises in this description of =
time elements.

> - Also in step 2 I don't understand why the issues must select a =
distinct
> subject name?  Also, is there an expectation that this is globally =
distinct?

There was an extended discussion on the uniqueness of subject names on =
this mailing list. I refer you to the list's archives, and will not =
attempt to reproduce this conversation here.

This discussion also included consideration of the scope of uniqueness =
of names, and again I refer you to the mailing list archive. The topic =
of subject name uniqueness is also considered in the res-cert draft, =
both in the specification section and in the security considerations =
section.



> - In step 3, the second bullet includes the statement "As quickly as
> possible..."  I think it might be more instructive to explain some =
tradeoffs
> of various timing decisions?  As a reader, I don't clearly understand =
why
> this should be done quickly, or what the draft considers "quickly."  =
Would
> it be possible to explain why delaying causes trouble, and at what =
point
> delaying causes that trouble, etc?


Again there is a certain amount of interlocking of documents here, and =
the motivation for this is contained in the manifest draft. This =
document is part of a set of documents that the WG chose to split into =
distinct parts. If you are saying that choice was inappropriate then you =
should review the WG archives and make your case, but given that we have =
a number of documents that each describe a particular part of the =
overall RPKI function, then each document does not attempt to reproduce =
the rationale and material contained in the others. The document is =
saying that there are a number of distinct actions that should occur =
"together". Neither the world, nor the RPKI, will break if this does not =
happen, but RPs will encounter inconsistencies in the distributed =
repository state. Such inconsistencies should be avoided, and the =
optimal way that they can be avoided is by synchronising these distinct =
actions as much as possible. But if they do appear, even in a transient =
manner, then nothing fatal ensures - its just more work on the part of =
the RP to resolve them.


> - Also in step 3, I believe the third bullet explains that the new CA =
needs
> to create a temporary EE cert solely to seed the new CA's manifest, =
and then
> below the private portion of that EE's key [must|should|may] be =
destroyed.
> I don't think I understand why so many moving parts exist here.  Is =
this
> because the manifest cannot begin by being empty?

It is not empty: there is a CRL.

>  If so, why not, and why
> not define something that can securely illustrate an empty manifest?

But there is a CRL. It is not empty.

>  I can
> clearly see how this is intended to work, but not why it needs so many
> moving parts.

For motivation and rational for this procedure you are referred to the =
arch and cp drafts. This document does not replicate the material =
contained there.


>  In its current form, it seems like there is a fair amount of
> room for operational mistakes to wreak some havoc?

Perhaps you should send proposed procedure and text that addresses your =
concerns.  In and of itself this is not a comment that has a tangible =
response in terms of revising the document to address specific concerns.


>  For example, what if the
> private portion of the EE key is compromised?  Is this a problem?

Key compromise of an active key is always a problem. I'm not sure that =
there is any other response, but at the same time I'm not sure how, in a =
public/private keyed system, how the compromise of private keys could be =
anything but a problem.


> - In step 4, the text says "all RPs."  Does this mean all RPs in the
> Internet, or some other subset, and if the former what order of =
magnitude
> are people envisioning for the number of global RPs?


Please see the architecture draft.


> - Also in step 4, I was wondering what happens if the load of keeping =
the
> current CA and the new CA up to date causes them to fall behind?  I =
think
> that (assuming the current and new CAs are on the same directory repo) =
the
> text essentially requires the directory repo to do double duty (i.e. =
double
> its load) during a rollover.  What if it cannot keep up, it will be in =
a
> rollover state forever, right?

The draft states: "during the Staging Period, the NEW CA SHOULD =
re-issue, **but not publish**,  all of the products that were issued =
under the CURRENT CA" There is no "double duty" in the repository =
publication function at this point.


> - A somewhat related concern in step 4, I think revocation gets kind =
of
> hairy too: if a cert is issued during a rollover, and then revoked =
before
> the rollover finishes, I don't think the text explains how this should =
be
> represented in the new CA.  The text says new certs should go in the =
new CA,
> but it also says no revocations should go in the new CA's CRL.  The =
staging
> period exists so that RPs can be learning of the new CA, right? So =
they
> would see the new cert, but no revocation?

"during the Staging Period, the NEW CA SHOULD re-issue, **but not =
publish**, all of the products that were issued under the CURRENT CA"

given that no subordinate products of the NEW CA are being published at =
this point, the intent of the staging period ti to allow RPs to pick up =
the NEW CA cert itself, and the associated manifest and CRL. Nothing =
more.


>=20
> Finally, the end of Section 5 really got my attention with the text, " =
When
> a CA rekeys, it changes many signed objects, thus impacting all RPs."  =
This
> statement makes me wonder how large an effect any given CA can have on
> global stability.  Could this be a [D]DoS vector?  I think some
> clarification on how to determine the impact a single party can have =
on the
> rest of the RPs would be very useful here?
>=20

This is a fine research question, and I for one would encourage you to =
perform that research, but in terms of the draft describing the key =
rollover procedure, if you have alternative suggestions here please =
propose them. At such the comment above is not a comment that leads to =
any particular proposed revision of the text.

At this point I do not believe that you have proposed any revised text =
for the document. Unless you are in a position to be more specific about =
what textual changes you are proposing here, there is not much more I =
can do here as the document's editor.

  Geoff


From kent@bbn.com  Fri Nov 19 00:32:42 2010
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At 5:49 PM +0100 11/18/10, t.petch wrote:
>Back in 2008, you explained to me what an RPKI was and implied that the words
>you used here, or something like them, would go in the arch document.  Your
>first two paragraphs would seem appropriate but I don't see them:-(
>
>The start of 2.1 would seem a suitable place.
>
>I note too that RPKI is never expanded, on first or subsequent use (or should
>that be rPKI?).
>
>Tom Petch

Tom,

We sort of expand the acronym in the doc title "Certificate Policy 
(CP) for the Resource PKI (RPKI)" and we expand PKI in the abstract 
and the intro.  But, we have not expanded RPKI in the intro, so we 
should make this minor edit.

and no, it's not rPKI :-).

Steve

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	+1


On 18 Nov 2010, at 02:56, Sandra Murphy wrote:

> 
> Geoff Huston has requested a WG LC for draft "A Profile for X.509 PKIX
> Resource Certificates".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-res-certs.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair boater on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


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Subject: Re: [sidr] WG LC for draft-ietf-sidr-roa-validation-10
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+1


On 18 Nov 2010, at 03:01, Sandra Murphy wrote:

> 
> Geoff Huston has requested a WG LC for draft "Validation of Route
> Origination using the Resource Certificate PKI and ROAs".
> 
> The document and the draft version history are available at
> http://tools.ietf.org/wg/sidr/draft-ietf-sidr-roa-validation.
> 
> The Last Call will end Wed, 1 Dec 2010 (AOE).
> 
> As usual, please address all comments to the WG mailing list, and
> please be clear in your comments to this last call if you are
> supporting the document's submission to the IESG or if you are
> opposed. If you are opposed, please indicate why.
> 
> --Sandy, speaking with wg chair turban on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


From kent@bbn.com  Fri Nov 19 04:20:39 2010
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I had not noticed the issue mark mentioned.  I object to citing 
rcynic as part of this standard.  WEe have agreed on rsync as a 
protocol for synchronization  of local RP caches and repositories, 
but rcynic is a specific RP implementation and we have not adopted 
any RP implementation as a standard. Thus it seems inappropriate to 
cite it here (except maybe as an example).

Steve

From Internet-Drafts@ietf.org  Fri Nov 19 05:45:05 2010
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--NextPart

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           : The RPKI/Router Protocol
	Author(s)       : R. Bush, R. Austein
	Filename        : draft-ietf-sidr-rpki-rtr-03.txt
	Pages           : 20
	Date            : 2010-11-19

In order to formally validate the origin ASes of BGP announcements,
routers need a simple but reliable mechanism to receive RPKI
[I-D.ietf-sidr-arch] or analogous prefix origin data from a trusted
cache.  This document describes a protocol to deliver validated
prefix origin data to routers over ssh.

A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-sidr-rpki-rtr-03.txt

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ftp://ftp.ietf.org/internet-drafts/

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From warren@kumari.net  Sat Nov 20 18:22:06 2010
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Support.


W
On Nov 18, 2010, at 12:01 AM, Sandra Murphy wrote:

> 
> Randy Bush has requested that the working group adopt the draft
> draft-ymbk-rpki-origin-ops-00, "RPKI-Based Origin Validation
> Operations", as a work item.
> 
> It is available at
> http://tools.ietf.org/html/draft-ymbk-rpki-origin-ops-00.
> 
> Recall that active support for adoption is necessary for the wg chairs
> to judge acceptance as a working group work item, so silence works
> against adoption.  The wg chairs also want to know who would be
> willing to work on the draft.
> 
> Please respond to the list, giving your recommendation for or against
> adoption of the draft as a wg work item as well as your intention to
> work on the draft if adopted. The call for adoption will end in two
> weeks on Wed 1 Dec 2010 AOE.
> 
> --Sandy, speaking with wg chair wimple on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


From warren@kumari.net  Sat Nov 20 18:22:37 2010
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Support.

W
On Nov 5, 2010, at 4:10 PM, Sandra Murphy wrote:

> The authors of draft-ietf-sidr-arch =
(http://tools.ietf.org/html/draft-ietf-sidr-arch-11) have requested a =
working group last call.
>=20
> The chairs ask the working group to consider this draft and decide =
whether it is worthy of publication.
>=20
> This draft was in last call about a year ago and some changes have =
been made in the time since.  Given that the IETF is next week, the WG =
LC will end on 26 November.
>=20
> --Sandy, wg chair turban on
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


From prvs=0941da9f82=larsm@secdatacom.dk  Sun Nov 21 10:18:39 2010
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DQoNCiANCiANCkxhcnMgTS4gTmllbHNlbiANClN5c3RlbSBFbmdpbmVlcg0KSnVuaXBlciBKTkNJ
RS1NIC8gRXh0cmVtZSBFTlMNCg0KDQpTRUMgRGF0YUNvbSBBL1MgfCBHeWRldmFuZyAxNy0xOSB8
IERLIC0gMzQ1MCBBbGxlcsO4ZCANClRlbCArNDUgNDgxMCA4MDAwIHwgd3d3LnNlY2RhdGFjb20u
ZGsNCkRpciArNDUgNDgxMCA4MDY2IHwgTW9iaWwgKzQ1IDI5NjEgNjIwNCB8IExhcnNtQHNlY2Rh
dGFjb20uZGs=

From mreynold@bbn.com  Sun Nov 21 12:05:27 2010
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Subject: Re: [sidr] BBN's trust anchor
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Let me provide a brief clarification on terminology. BBN's RP software uses
a database to maintain state. At the top level, there are only two types of
database events: initialization and update. Initialization is perform when 
one
first starts using the software, and then once every few years after that. 
Update
is performed whenever the operator wants a state update. Initialization 
takes
hours; update takes < 15 minutes.

Details. Assume a total set of 300,000 digital objects. To populate an empty
database, assuming some nominal network bandwidth model, with the set of
definitely valid or possibly-might-become-valid-in-the-future objects, takes
~ 10 hours. Assuming the operator has a backup of the DB, the only reason
to re-init the database is to clean out unreachable objects. Of course the 
DB
already handles expiration and revocation, but it does not do classic 
garbage
collection where unreachable objects are removed. Therefore, after a few
years the operator might chose to re-init. The re-init operation can be done
to an offline DB, so that the current DB is not down for the entire re-init 
period,
only for a few seconds at the end, where the pointer to the "current" DB is
switched.

For update, we assume a 5% turnover rate per day. That is, rsync changes
the contents of the local filesystem at a rate of 5% per day. In this model,
an update takes < 15 minutes. Therefore, the operator can update the DB
as often as once every hour.

Of course, as network transfer time goes up, performance goes down as
well, but this applies to any RP implementation, not just BBN's. In our Jan 
1
release, we will provide parallelized rsync's, so one slow link won't impact 
the
entire update process.

Hope this helps,

Mark Reynolds

----- Original Message ----- 
From: "Randy Bush" <randy@psg.com>
To: "Andrew Chi" <achi@bbn.com>
Cc: "sidr wg" <sidr@ietf.org>
Sent: Monday, November 15, 2010 11:12 AM
Subject: Re: [sidr] BBN's trust anchor


>> 1) The "startup" cost of downloading and processing all RPKI data needs
>> to be on the order of hours and not days.
>
> no, it has to be minutes not hours
>



From kseo@bbn.com  Mon Nov 22 07:00:50 2010
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Subject: Re: [sidr] WGLC for draft-ietf-sidr-rpki-rtr-02
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In implementing this protocol, we had to add a third error code to 
the implementation: Invalid Request.  The server needs to be able to 
say something back when the client sends it a badly formed request. 
We realize that the spec does say that the authors expect the 
addition of new error codes later, but we may as well add this code 
now rather than later.

Thank you,
Karen

From Internet-Drafts@ietf.org  Mon Nov 22 14:00:02 2010
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--NextPart

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           : The RPKI/Router Protocol
	Author(s)       : R. Bush, R. Austein
	Filename        : draft-ietf-sidr-rpki-rtr-04.txt
	Pages           : 20
	Date            : 2010-11-22

In order to formally validate the origin ASes of BGP announcements,
routers need a simple but reliable mechanism to receive RPKI
[I-D.ietf-sidr-arch] or analogous prefix origin data from a trusted
cache.  This document describes a protocol to deliver validated
prefix origin data to routers over ssh.

A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-sidr-rpki-rtr-04.txt

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ftp://ftp.ietf.org/internet-drafts/

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From kotikalapudi.sriram@nist.gov  Mon Nov 22 15:58:50 2010
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Subject: Re: [sidr] WG Last Call Request for draft-ietf-sidr-roa-validation-10
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I would support the LC on draft-ietf-sidr-roa-validation-10 
if it had informational status,
i.e., be advanced for publication as an Informational RFC.

I would take the same position on draft-ietf-sidr-pfx-validate-00
after it is revised further to reflect recent new comments on the list.
(I do have another concern that the two documents overlap 
substantially in core content even though they present it differently, 
but that is a different issue.)

My reasons for supporting the documents as Informational RFCs
(as opposed to Normative RFCs): 
These documents offer algorithms that are meant to 
be used internally in routers, the outcome of which are used 
for local decision within an AS to assist path selection, and the 
origin validation outcomes are not communicated to other ASes in eBGP. 
ISPs together with their vendors may use ROA information 
in path selection with modified or other enhanced algorithms 
for origin validation as they find suitable.
So the relying parties (RPs) may use these documents as guides but 
may not like to be bound to them as a normative IETF standard or RFC.

One may argue that we need to have agreed upon semantics
about how ROAs will be interpreted in origin validation. 
In final full deployment state, the validation states are Valid or Invalid;
those two validation states are unambiguously agreed upon 
interpretations (in the full deployment state).
But during partial deployment, there is ambiguity anyway.
Some routers will accept "Unknown"; some may not.
Some routers may accept "Invalid" if there is no other 
update with higher validation state; some may reject them outright, and so on.
Some RPs may like to treat prefix-length violations less punitively 
if the origin AS is matched (during partial deployment). 
Some ISP routers may assign "Valid" state to customers' prefixes even when 
they do not have ROAs just because the {prefix, Origin AS} associations 
are well known for their own customers.
Partial deployment period may be quite prolonged.
This is where the RP may need to have the flexibility.

I feel that the documents (published as Information RFCs) would be
excellent for providing general agreed upon understanding
about the possible origin validation approaches based on ROAs 
but should not strictly bind the relying parties to the recommendations
(especially, under partial deployment scenarios).

Sriram 


From kotikalapudi.sriram@nist.gov  Mon Nov 22 16:43:42 2010
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From: "Sriram, Kotikalapudi" <kotikalapudi.sriram@nist.gov>
To: Pradosh Mohapatra <pmohapat@cisco.com>
Date: Mon, 22 Nov 2010 19:44:18 -0500
Thread-Topic: [sidr] WGLC for draft-ietf-sidr-pfx-validate-00
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The document does not yet reflect the consensus
generated at the Beijing meeting on treating
updates with AS_SET as having indeterminable origin AS.

Quoting the document:
** Begin quote:
//origin_as is NONE if the AS_PATH begins with a non-trivial
//AS_SET and has no [AS4_]AGGREGATOR attribute.
...
...
4. Route Aggregation

When an UPDATE message carries AGGREGATOR attribute, 
the "UPDATE origin AS number" is set to the value encoded in 
the AGGREGATOR instead of being derived from the AS_PATH attribute.
** End quote.

The above quoted statements in the document contradict said consensus.

Please also see comment: 
http://www.ietf.org/mail-archive/web/sidr/current/msg02203.html 

Thanks,
Sriram


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On 23/11/2010, at 10:59 AM, Sriram, Kotikalapudi wrote:

> I would support the LC on draft-ietf-sidr-roa-validation-10 
> if it had informational status,
> i.e., be advanced for publication as an Informational RFC.

That was indeed the intention: please note line 3 of the document:

Secure Inter-Domain Routing (SIDR)                             G. Huston
Internet-Draft                                             G. Michaelson
Intended status: Informational                                     APNIC
Expires: May 15, 2011                                  November 11, 2010


thanks,

   Geoff



From rbarnes@bbn.com  Tue Nov 23 09:32:29 2010
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Subject: Re: [sidr] WG Last Call Request for draft-ietf-sidr-roa-validation-10
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I'm not sure I agree with this document being Informational.  ROAs  
need to have some well-defined authorization semantic.  Just like  
information in BGP itself, ROAs communicate information between  
domains, so the creators and consumers of ROAs need to know what  
authorization is being communicated.  In other words, what needs to be  
standard is a validate(roa[], route) routine that says whether a given  
set of ROAs authorize, deny, or ignore a given route.

Sriram is correct that AS-internal stuff should be Informational.  The  
AS-internal stuff we're talking about here is what an AS does with the  
output of the validate(), basically a "deployment considerations"  
document.

In terms of the documents in hand: As I read it, -roa-validation would  
be a good basis for the Standards Track document I describe above if  
we just remove Section 3, which talks about what you do with  
validation outputs.  -pfx-validate seems like a good candidate for the  
Informational document.  As a path forward, it would make sense to me  
to focus -roa-validation on the specific validation semantics of a set  
of ROAs (advancing it as Standards Track) and to focus -pfx-validate  
on what an AS can do with these validation results (as Informational).

Finally, one specific note on -roa-validation and -roa-format.  Before  
I wrote this email, to make sure I understood things correctly, I  
wrote a test implementation of the validation algorithm [1].  My  
comment as an implementor is that the documents don't make it very  
clear how to implement the algorithm described in Section 2 of -roa- 
validation.  For instance, it's not obvious that the length of the  
prefix is specified implicitly as the length of the IPAddress BIT  
STRING.  In general, it would be helpful if Section 2 of the -roa- 
validation document were more specific, phrasing things in terms of  
the data elements in hand instead of more abstract concepts like  
"covering aggregate" (which the developer has to interpret as   
"shorter prefix, same bits").

Sorry to enter the discussion so late, but I hope this is helpful,
--Richard

[1] <http://geopriv.dreamhosters.com/roaver.cpp>







On Nov 22, 2010, at 10:46 PM, Geoff Huston wrote:

>
> On 23/11/2010, at 10:59 AM, Sriram, Kotikalapudi wrote:
>
>> I would support the LC on draft-ietf-sidr-roa-validation-10
>> if it had informational status,
>> i.e., be advanced for publication as an Informational RFC.
>
> That was indeed the intention: please note line 3 of the document:
>
> Secure Inter-Domain Routing (SIDR)                             G.  
> Huston
> Internet-Draft                                             G.  
> Michaelson
> Intended status: Informational                                      
> APNIC
> Expires: May 15, 2011                                  November 11,  
> 2010
>
>
> thanks,
>
>   Geoff
>
>
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


From Wesley.E.George@sprint.com  Mon Nov 29 12:14:40 2010
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From: "George, Wes E [NTK]" <Wesley.E.George@sprint.com>
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------=_NextPart_000_00EA_01CB8FD8.45ABDC70
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Support=20
draft-ietf-sidr-rpki-rtr=20
draft-ietf-sidr-keyroll=20
draft-ymbk-rpki-origin-ops=20
draft-ymbk-ghostbusters=20
draft-ietf-sidr-roa-validation=20
draft-ietf-sidr-pfx-validate

In the future, if we have this many WG calls at once, might I recommend =
a doodle poll or something similar that makes it easier for both the =
chairs (resplendent in their WG Chair finery) and the rest of us to keep =
track of?

Wes George

> -----Original Message-----
> From: sidr-bounces@ietf.org [mailto:sidr-bounces@ietf.org] On Behalf =
Of
> Sandra Murphy
> Sent: Wednesday, November 17, 2010 11:54 PM
> To: sidr@ietf.org
> Subject: [sidr] upcoming wg calls
>=20
> Before during and after the meeting, there were many requests for last
> calls and wg adoption.  I'm pretty sure that I've captured them all,
> and I
> list them below.  As soon as I send this message I'm going to start
> sending the calls to the list.
>=20
> If I have missed tallying a request, please let me know.
>=20
> There are a lot of them.  I asked those attending the meeting if they
> wanted the whole lot all at the same time and there was strong support
> for
> sending them all at once.  So get ready, here it comes.
>=20
> --Sandy
>=20
>=20
> long before meeting:
>=20
> last calls were announced:
>=20
> =E2=80=93 draft-ietf-sidr-arch-11.txt: An Infrastructure to Support
>    Secure Internet Routing
> =E2=80=93 draft-ietf-sidr-signed-object-01: Signed Object
>    Template for the Resource Public Key Infrastructure
> =E2=80=93 draft-ietf-sidr-ta-06: A Profile for Trust Anchor Material
>    for the Resource Certificate PKI
>=20
> the week before meeting:
>=20
> Matt Lepinski requested wglc for
> 1.   roa-format
>=20
> during the sidr meeting:
>=20
> Randy Bush requested wglc for
> 2.   rpki-rtr
>=20
> Geoff Huston requested wglc for
>=20
> 3.   keyroll
>=20
> 4.   res-certs
>=20
> 5.   repos-struct
>=20
> 6.   rescerts-provisioning
>=20
> 7.   rpki-algs
>=20
> 8.   rpki-manifests
>=20
> Steve Kent requested wg adoption for
>=20
> 9.   algorithm-agility
>=20
> Randy requested wg adoption for
>=20
> 10.  ghostbusters
>=20
> 11.  rpki-origin-ops
>=20
>=20
> during and after meeting on the list
>=20
> Geoff requested wglc for
>=20
> 12.  roa-validation
>=20
>       rescerts-provisioning (reiteration of previous request)
>=20


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From: "George, Wes E [NTK]" <Wesley.E.George@sprint.com>
To: Sandra Murphy <sandy@sparta.com>, "sidr@ietf.org" <sidr@ietf.org>
Thread-Topic: [sidr] WG Adoption for draft-rgaglian-sidr-algorithm-agility-00
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Date: Mon, 29 Nov 2010 20:18:34 +0000
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Subject: Re: [sidr] WG Adoption for draft-rgaglian-sidr-algorithm-agility-00
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I support adoption of this doc, missed it in the list

Wes George


> -----Original Message-----
> From: sidr-bounces@ietf.org [mailto:sidr-bounces@ietf.org] On Behalf Of
> Sandra Murphy
> Sent: Thursday, November 18, 2010 12:00 AM
> To: sidr@ietf.org
> Subject: [sidr] WG Adoption for draft-rgaglian-sidr-algorithm-agility-
> 00
> 
> 
> Steve Kent has requested that the working group adopt the draft
> draft-rgaglian-sidr-algorithm-agility-00.txt, Algorithm Agility
> Procedure for RPKI, as a work item.
> 
> It is available at
> http://tools.ietf.org/html/draft-rgaglian-sidr-algorithm-agility-00.
> 
> Recall that active support for adoption is necessary for the wg chairs
> to judge acceptance as a working group work item, so silence works
> against adoption.  The wg chairs also want to know who would be
> willing to work on the draft.
> 
> Please respond to the list, giving your recommendation for or against
> adoption of the draft as a wg work item as well as your intention to
> work on the draft if adopted. The call for adoption will end in two
> weeks on Wed 1 Dec 2010 AOE.
> 
> --Sandy, speaking with wg chair helmet on
> 
> _______________________________________________
> sidr mailing list
> sidr@ietf.org
> https://www.ietf.org/mailman/listinfo/sidr


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CVRb4wAAAAAAAA==

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On 11/17/2010 11:59 PM, Sandra Murphy wrote:
>
> Steve Kent has requested that the working group adopt the draft
> draft-rgaglian-sidr-algorithm-agility-00.txt, Algorithm Agility
> Procedure for RPKI, as a work item.
>

Support.


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--NextPart

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           : Local Trust Anchor Management for the Resource Public Key Infrastructure
	Author(s)       : S. Kent, M. Reynolds
	Filename        : draft-ietf-sidr-ltamgmt-00.txt
	Pages           : 28
	Date            : 2010-11-09

This document describes a facility to enable a relying party (RP) to
manage trust anchors (TAs) in the context of the Resource Public Key
Infrastructure (RPKI). It is common to allow an RP to import TA
material in the form of self-signed certificates. The facility
described in this document allows an RP to impose constraints on such
TAs. Because this mechanism is designed to operate in the RPKI
context, the relevant constraints are the RFC 3779 extensions that
bind address spaces and/or autonomous system (AS) numbers to
entities. The primary motivation for this facility is to enable an RP
to ensure that resource allocation information that it has acquired
via some trusted channel is not overridden by the information
acquired from the RPKI repository system or by the putative TAs that
the RP imports. Specifically, the mechanism allows an RP to specify a
set of bindings between public key identifiers and RFC 3779 extension
data and will override any conflicting bindings expressed via the
putative TAs and the certificates downloaded from the RPKI repository
system. Although this mechanism is designed for local use by an RP,
an entity that is accorded administrative control over a set of RPs
may use this mechanism to convey its view of the RPKI to a set of RPs
within its jurisdiction. The means by which this latter use case is
effected is outside the scope of this document.

A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-sidr-ltamgmt-00.txt

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From achi@bbn.com  Mon Nov 29 14:45:04 2010
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On 11/18/2010 4:39 AM, Tim Bruijnzeels wrote:
>> Call for WGLC, I support:
>>
>>   draft-ietf-sidr-roa-format
>
> One very minor nit: I think it would be desirable to have a normative
> naming scheme similar to the one used for manifests as defined in the
> repos-struct document; using the extension .roa.
>

We'll also need to add a ghostbusters extension to repos-struct.  I 
agree with Tim, and also agree it's minor.


From terry.manderson@icann.org  Mon Nov 29 17:06:54 2010
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From: Terry Manderson <terry.manderson@icann.org>
To: Sandra Murphy <sandy@sparta.com>, sidr <sidr@ietf.org>
Date: Mon, 29 Nov 2010 17:08:01 -0800
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I support the last call of the following WG documents. (Insomnia well and
truly cured.)

draft-ietf-sidr-roa-format-09
draft-ietf-sidr-rpki-rtr-02
draft-ietf-sidr-keyroll-04
draft-ietf-sidr-res-certs-20
draft-ietf-sidr-repos-struct-06
draft-ietf-sidr-rescerts-provisioning-09
draft-ietf-sidr-rpki-algs-04
draft-ietf-sidr-rpki-manifests-09
draft-ietf-sidr-roa-validation-10
draft-ietf-sidr-pfx-validate-00

And I support the adoption of the following 3 items, I am willing to review=
.

draft-rgaglian-sidr-algorithm-agility-00
draft-ymbk-ghostbusters-01
draft-ymbk-rpki-origin-ops-00

Cheers
Terry

On 18/11/10 2:54 PM, "Sandra Murphy" <sandy@sparta.com> wrote:

> Before during and after the meeting, there were many requests for last
> calls and wg adoption.  I'm pretty sure that I've captured them all, and =
I
> list them below.  As soon as I send this message I'm going to start
> sending the calls to the list.
>=20


From pmohapat@cisco.com  Tue Nov 30 09:55:13 2010
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Hi Geoff,

> Section 5. Routing Policy
>=20
>   Announcements with invalid origins MAY be used, but SHOULD be less
>   preferred than those with valid or unknown.
>=20
>=20
> Here I agree with the sentiment in terms of the relativity to valid or =
unknown, but I am worried about the MAY statement here, and I would like =
the document to explain this further.
>=20
> For example, a simple reading of the document leads one to believe =
that all announcements MAY still be accepted according to the routing =
policy selection allowed in section 5, yet if that were the case then =
the ability of origin validation to "deal with inadvertent =
mis-advertisement" is questionable.
>=20
> I would prefer the document to look at the implication of _why_ a =
party MAY accept a route that the origination validation framework is =
leading to a local judgement that the route is invalid. i.e. is it =
because of missing information in the relying party's local cache, which =
may bne resolved over time? Is is due to potential circularity of =
dependence, where parts of the RPKI distributed repository lie behind =
routes that can only be judged as valid using certs and ROAs found in =
that repository?=20

I am afraid that any attempt to enumerate the cases where an invalid =
route MAY be accepted will be incomplete! Rather, could we add a =
statement to the effect that accepting invalid routes is a pure local =
matter and should be done with utmost care?

>=20
> I would also like to see the security considerations section include a =
statement to the effect that if a party were to use routes that have an =
invalid validity state then the ability to detect and filter certain =
forms of mis-advertisement would in effect be negated.

Ack.

> Back to the wordsmithing and consistency comment, the terminology of =
unvalidatable origins and unknown origin is used in different sentences =
- it would be better to use consistent terminology.

Ack.

> It would also be good if the terminology of validity state is =
consistent - are we talking about "announcements" or "routes"? Are we =
talking about "valid origin" or "routes that are validated by the RPKI =
ROA framework"?

Ack.

>=20
> So close, but not quite ready for shipping yet in my opinion.
>=20
> (My apologies - I should've commented earlier on this, but its only a =
WGLC that leads to these reviews happening for me.)

No worries, thanks for these. Will be reflected in the next version.

- Pradosh=

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From: Pradosh Mohapatra <pmohapat@cisco.com>
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To: "Sriram, Kotikalapudi" <kotikalapudi.sriram@NIST.GOV>
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Subject: Re: [sidr] WGLC for draft-ietf-sidr-pfx-validate-00
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Hi Sriram,

> The document does not yet reflect the consensus
> generated at the Beijing meeting on treating
> updates with AS_SET as having indeterminable origin AS.
>=20
> Quoting the document:
> ** Begin quote:
> //origin_as is NONE if the AS_PATH begins with a non-trivial
> //AS_SET and has no [AS4_]AGGREGATOR attribute.
> ...
> ...
> 4. Route Aggregation
>=20
> When an UPDATE message carries AGGREGATOR attribute,=20
> the "UPDATE origin AS number" is set to the value encoded in=20
> the AGGREGATOR instead of being derived from the AS_PATH attribute.
> ** End quote.
>=20
> The above quoted statements in the document contradict said consensus.

Sorry, I haven't quite followed the WG list and the last IETF happenings =
due to PTO; so wasn't aware this is the consensus now. I will look =
around and do the necessary edits for the next revision of the document.

Thanks,
- Pradosh=

From Internet-Drafts@ietf.org  Tue Nov 30 13:15:04 2010
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--NextPart

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 Prefix Origin Validation State Extended Community
	Author(s)	: P. Mohapatra, K. Patel, J. Scudder, D. Ward, R. Bush
	Filename	: draft-ietf-sidr-origin-validation-signaling-00.txt
	Pages		: 7
	Date		: 2010-11-30
	
As part of the origination AS validation process, it can be desirable
   to automatically consider the validation state of routes in the BGP
   decision process.  The purpose of this document is to provide a
   specification for doing so.  The document also defines a new BGP
   opaque extended community to carry the validation state inside an
   autonomous system to influence the decision process of the IBGP
   speakers.


A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-sidr-origin-validation-signaling-00.txt

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From gih@apnic.net  Tue Nov 30 20:00:47 2010
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From: Geoff Huston <gih@apnic.net>
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Firstly, I must note that there are a whole ot of use of "may" as =
distinct from the normative "MAY" in this document, "should" as distinct =
from the normative "SHOULD", etc.  As thisd is a document intended for a =
Standards Track, the document needs to be strict about its use of the =
normative forms of the requirements language as noted in section 1.1 of =
the document


e.g.: " An AS _may_ originate more than one prefix set.  Thus, multiple =
prefix sets in the database _may_ contain the same origin AS(es).


On 01/12/2010, at 4:59 AM, Pradosh Mohapatra wrote:

> Hi Geoff,
>=20
>> Section 5. Routing Policy
>>=20
>>  Announcements with invalid origins MAY be used, but SHOULD be less
>>  preferred than those with valid or unknown.
>>=20
>>=20
>> Here I agree with the sentiment in terms of the relativity to valid =
or unknown, but I am worried about the MAY statement here, and I would =
like the document to explain this further.
>>=20
>> For example, a simple reading of the document leads one to believe =
that all announcements MAY still be accepted according to the routing =
policy selection allowed in section 5, yet if that were the case then =
the ability of origin validation to "deal with inadvertent =
mis-advertisement" is questionable.
>>=20
>> I would prefer the document to look at the implication of _why_ a =
party MAY accept a route that the origination validation framework is =
leading to a local judgement that the route is invalid. i.e. is it =
because of missing information in the relying party's local cache, which =
may bne resolved over time? Is is due to potential circularity of =
dependence, where parts of the RPKI distributed repository lie behind =
routes that can only be judged as valid using certs and ROAs found in =
that repository?=20
>=20
> I am afraid that any attempt to enumerate the cases where an invalid =
route MAY be accepted will be incomplete! Rather, could we add a =
statement to the effect that accepting invalid routes is a pure local =
matter and should be done with utmost care?


works for me

  Geoff

