Internet DRAFT - draft-gould-allocation-token
draft-gould-allocation-token
Network Working Group J. Gould
Internet-Draft VeriSign, Inc.
Intended status: Standards Track S. Wodjenski
Expires: November 24, 2016 Neustar
May 23, 2016
Allocation Token Extension for the Extensible Provisioning Protocol
(EPP)
draft-gould-allocation-token-04
Abstract
This document describes an Extensible Provisioning Protocol (EPP)
extension for including an allocation token or code for allocating an
object like a domain name to the client. The allocation token MAY be
transferred out-of-band to a client to give them authorization to
allocate an object using one of the EPP transform commands including
create, update, and transfer.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
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Internet-Drafts are draft documents valid for a maximum of six months
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This Internet-Draft will expire on November 24, 2016.
Copyright Notice
Copyright (c) 2016 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
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publication of this document. Please review these documents
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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.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1. Conventions Used in This Document . . . . . . . . . . . . 3
2. Object Attributes . . . . . . . . . . . . . . . . . . . . . . 3
2.1. Allocation Token . . . . . . . . . . . . . . . . . . . . 3
3. EPP Command Mapping . . . . . . . . . . . . . . . . . . . . . 4
3.1. EPP Query Commands . . . . . . . . . . . . . . . . . . . 4
3.1.1. EPP <check> Command . . . . . . . . . . . . . . . . . 4
3.1.2. EPP <info> Command . . . . . . . . . . . . . . . . . 8
3.1.3. EPP <transfer> Command . . . . . . . . . . . . . . . 10
3.2. EPP Transform Commands . . . . . . . . . . . . . . . . . 11
3.2.1. EPP <create> Command . . . . . . . . . . . . . . . . 11
3.2.2. EPP <delete> Command . . . . . . . . . . . . . . . . 12
3.2.3. EPP <renew> Command . . . . . . . . . . . . . . . . . 12
3.2.4. EPP <transfer> Command . . . . . . . . . . . . . . . 12
3.2.5. EPP <update> Command . . . . . . . . . . . . . . . . 13
4. Formal Syntax . . . . . . . . . . . . . . . . . . . . . . . . 14
4.1. Allocation Token Extension Schema . . . . . . . . . . . . 15
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 15
5.1. XML Namespace . . . . . . . . . . . . . . . . . . . . . . 15
5.2. EPP Extension Registry . . . . . . . . . . . . . . . . . 16
6. Security Considerations . . . . . . . . . . . . . . . . . . . 16
7. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 16
8. Normative References . . . . . . . . . . . . . . . . . . . . 16
Appendix A. Change History . . . . . . . . . . . . . . . . . . . 17
A.1. Change from 00 to 01 . . . . . . . . . . . . . . . . . . 17
A.2. Change from 01 to 02 . . . . . . . . . . . . . . . . . . 17
A.3. Change from 02 to 03 . . . . . . . . . . . . . . . . . . 17
A.4. Change from 03 to 04 . . . . . . . . . . . . . . . . . . 17
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 17
1. Introduction
This document describes an extension mapping for version 1.0 of the
Extensible Provisioning Protocol (EPP) [RFC5730]. This mapping, an
extension to EPP object mappings like the EPP domain name mapping
[RFC5731], for passing an allocation token one of the EPP transform
commands including create, update, and transfer. The allocation
token is known to the server to authorize a client that passes a
matching allocation token with one of the supported EPP transform
commands. It is up to server policy which EPP transform commands and
which objects support the allocation token. The allocation token MAY
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be returned to an authorized client for passing out-of-band to a
client that uses it with an EPP transform command.
1.1. 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].
XML is case sensitive. Unless stated otherwise, XML specifications
and examples provided in this document MUST be interpreted in the
character case presented in order to develop a conforming
implementation.
In examples, "C:" represents lines sent by a protocol client and "S:"
represents lines returned by a protocol server. Indentation and
white space in examples are provided only to illustrate element
relationships and are not a REQUIRED feature of this protocol.
"allocationToken-1.0" is used as an abbreviation for
"urn:ietf:params:xml:ns:allocationToken-1.0". The XML namespace
prefix "allocationToken" is used, but implementations MUST NOT depend
on it and instead employ a proper namespace-aware XML parser and
serializer to interpret and output the XML documents.
2. Object Attributes
This extension adds additional elements to EPP object mappings like
the EPP domain name mapping [RFC5731]. Only those new elements are
described here.
2.1. Allocation Token
The Allocation Token is a simple XML "token" type. The exact format
of the Allocation Token is up to server policy. The server MUST have
the allocation token for each object to match against the allocation
token passed by the client to authorize the allocation of the object.
The same <allocationToken:allocationToken> element is used for all of
the supported EPP transform commands as well as the info response.
If an invalid allocation token is passed the server MUST return an
EPP error result code of 2201.
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An example <allocationToken:allocationToken> element with value of
"abc123":
<allocationToken:allocationToken xmlns:allocationToken=
"urn:ietf:params:xml:ns:allocationToken-1.0">
abc123
</allocationToken:allocationToken>
3. EPP Command Mapping
A detailed description of the EPP syntax and semantics can be found
in the EPP core protocol specification [RFC5730].
3.1. EPP Query Commands
EPP provides three commands to retrieve object information: <check>
to determine if an object is known to the server, <info> to retrieve
detailed information associated with an object, and <transfer> to
retrieve object transfer status information.
3.1.1. EPP <check> Command
This extension defines additional elements to extend the EPP <check>
command of an object mapping like [RFC5731].
This extension allow clients to check the availability of an object
with an allocation token, as described in Section 2.1. Clients can
check if an object can be created using the allocation token. The
allocation token is applied to all object names included in the EPP
<check> command.
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Example <check> command for the example.tld domain name using the
<allocationToken:allocationToken> extension with the allocation token
of 'abc123':
C:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
C:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
C: <command>
C: <check>
C: <domain:check
C: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">
C: <domain:name>example.tld</domain:name>
C: </domain:check>
C: </check>
C: <extension>
C: <allocationToken:allocationToken
C: xmlns:allocationToken=
C: "urn:ietf:params:xml:ns:allocationToken-1.0">
C: abc123
C: </allocationToken:allocationToken>
C: </extension>
C: <clTRID>ABC-12345</clTRID>
C: </command>
C:</epp>
If the query was successful, the server replies with an <check>
response providing availability status of queried object.
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Example <check> domain response for a <check> command using the
<allocationToken:allocationToken> extension:
S:<?xml version="1.0" encoding="UTF-8"?>
S:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
S: <response>
S: <result code="1000">
S: <msg lang="en-US">Command completed successfully</msg>
S: </result>
S: <resData>
S: <domain:chkData
S: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">
S: <domain:cd>
S: <domain:name avail="0">example.tld</domain:name>
S: <domain:reason>Invalid domain-token pair</domain:reason>
S: </domain:cd>
S: </domain:chkData>
S: </resData>
S: <trID>
S: <clTRID>ABC-DEF-12345</clTRID>
S: <svTRID>54321-XYZ</svTRID>
S: </trID>
S: </response>
S:</epp>
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Example <check> command with the <allocationToken:allocationToken>
extension for the example.tld and example2.tld domain names.
Availability of example.tld and example2.tld domain names are based
on the allocation token 'abc123':
C:<?xml version="1.0" encoding="UTF-8"?>
C:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
C: <command>
C: <check>
C: <domain:check
C: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">
C: <domain:name>example.tld</domain:name>
C: <domain:name>example2.tld</domain:name>
C: </domain:check>
C: </check>
C: <extension>
C: <allocationToken:allocationToken
C: xmlns:allocationToken=
C: "urn:ietf:params:xml:ns:allocationToken-1.0">
C: abc123
C: </allocationToken:allocationToken>
C: </extension>
C: <clTRID>ABC-DEF-12345</clTRID>
C: </command>
C:</epp>
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Example <check> domain response for multiple domain names in the
<check> command using the <allocationToken:allocationToken>
extension:
S:<?xml version="1.0" encoding="UTF-8"?>
S:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
S: <response>
S: <result code="1000">
S: <msg lang="en-US">Command completed successfully</msg>
S: </result>
S: <resData>
S: <domain:chkData
S: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">
S: <domain:cd>
S: <domain:name avail="0">example.tld</domain:name>
S: <domain:reason>Invalid domain-token pair</domain:reason>
S: </domain:cd>
S: <domain:cd>
S: <domain:name avail="1">example2.tld</domain:name>
S: </domain:cd>
S: </domain:chkData>
S: </resData>
S: <trID>
S: <clTRID>ABC-DEF-12345</clTRID>
S: <svTRID>54321-XYZ</svTRID>
S: </trID>
S: </response>
S:</epp>
This extension does not add any elements to the EPP <check> response
described in the [RFC5730].
3.1.2. EPP <info> Command
This extension defines additional elements to extend the EPP <info>
command of an object mapping like [RFC5731].
The EPP <info> command allows a client to request information on an
existing object. Authorized clients MAY retrieve the allocation
token (Section 2.1) along with the other object information using the
<allocationToken:info> element that identifies the extension
namespace. The <allocationToken:info> element is an empty element
that serves as a marker to the server to return the
<allocationToken:allocationToken> element, defined in Section 2.1, in
the info response. If the client is not authorized to receive the
allocation token (Section 2.1), the server MUST return an EPP error
result code of 2201. If the client is authorized to receive the
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allocation token (Section 2.1), but there is no allocation token
(Section 2.1) associated with the object, the server MUST return an
EPP error result code of 2303 object referencing the
<allocationToken:info> element.
Example <info> command with the allocationToken:info extension for
the example.tld domain name:
C:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
C:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
C: <command>
C: <info>
C: <domain:info
C: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
C: domain-1.0.xsd">
C: <domain:name>example.tld</domain:name>
C: </domain:info>
C: </info>
C: <extension>
C: <allocationToken:info
C: xmlns:allocationToken=
C: "urn:ietf:params:xml:ns:allocationToken-1.0/>
C: </extension>
C: <clTRID>ABC-12345</clTRID>
C: </command>
C:</epp>
If the query was successful, the server replies with an
<allocationToken:allocationToken> element, as described in
Section 2.1.
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Example <info> domain response using the
<allocationToken:allocationToken> extension:
S:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
S:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
S: <response>
S: <result code="1000">
S: <msg>Command completed successfully</msg>
S: </result>
S: <resData>
S: <domain:infData
S: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">
S: <domain:name>example.tld</domain:name>
S: <domain:roid>EXAMPLE1-REP</domain:roid>
S: <domain:status s="pendingCreate"/>
S: <domain:registrant>jd1234</domain:registrant>
S: <domain:contact type="admin">sh8013</domain:contact>
S: <domain:contact type="tech">sh8013</domain:contact>
S: <domain:clID>ClientX</domain:clID>
S: <domain:crID>ClientY</domain:crID>
S: <domain:crDate>2012-04-03T22:00:00.0Z</domain:crDate>
S: <domain:authInfo>
S: <domain:pw>2fooBAR</domain:pw>
S: </domain:authInfo>
S: </domain:infData>
S: </resData>
S: <extension>
S: <allocationToken:allocationToken
S: xmlns:allocationToken=
S: "urn:ietf:params:xml:ns:allocationToken-1.0">
S: abc123
S: </allocationToken:allocationToken>
S: </extension>
S: <trID>
S: <clTRID>ABC-12345</clTRID>
S: <svTRID>54321-XYZ</svTRID>
S: </trID>
S: </response>
S:</epp>
3.1.3. EPP <transfer> Command
This extension does not add any elements to the EPP <transfer> query
command or <transfer> response described in the [RFC5730].
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3.2. EPP Transform Commands
EPP provides five commands to transform objects: <create> to create
an instance of an object, <delete> to delete an instance of an
object, <renew> to extend the validity period of an object,
<transfer> to manage object sponsorship changes, and <update> to
change information associated with an object.
3.2.1. EPP <create> Command
This extension defines additional elements to extend the EPP <create>
command of an object mapping like [RFC5731].
The EPP <create> command provides a transform operation that allows a
client to create an object. In addition to the EPP command elements
described in an object mapping like [RFC5731], the command MUST
contain a child <allocationToken:allocationToken> element, as defined
in Section 2.1, that identifies the extension namespace for the
client to be authorized to create and allocate the object. If the
allocation token (Section 2.1) does not match the object's allocation
token (Section 2.1), the server MUST return an EPP error result code
of 2201.:
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Example <create> command to create a domain object with an allocation
token:
C:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
C:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
C: <command>
C: <create>
C: <domain:create
C: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">
C: <domain:name>example.tld</domain:name>
C: <domain:registrant>jd1234</domain:registrant>
C: <domain:contact type="admin">sh8013</domain:contact>
C: <domain:contact type="tech">sh8013</domain:contact>
C: <domain:authInfo>
C: <domain:pw>2fooBAR</domain:pw>
C: </domain:authInfo>
C: </domain:create>
C: </create>
C: <extension>
C: <allocationToken:allocationToken
C: xmlns:allocationToken=
C: "urn:ietf:params:xml:ns:allocationToken-1.0">
C: abc123
C: </allocationToken:allocationToken>
C: </extension>
C: <clTRID>ABC-12345</clTRID>
C: </command>
C:</epp>
This extension does not add any elements to the EPP <create> response
described in the [RFC5730].
3.2.2. EPP <delete> Command
This extension does not add any elements to the EPP <delete> command
or <delete> response described in the [RFC5730].
3.2.3. EPP <renew> Command
This extension does not add any elements to the EPP <renew> command
or <renew> response described in the [RFC5730].
3.2.4. EPP <transfer> Command
This extension defines additional elements to extend the EPP
<transfer> request command of an object mapping like [RFC5731].
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The EPP <transfer> request command provides a transform operation
that allows a client to request the transfer of an object. In
addition to the EPP command elements described in an object mapping
like [RFC5731], the command MUST contain a child
<allocationToken:allocationToken> element, as defined in Section 2.1,
that identifies the extension namespace for the client to be
authorized to transfer and allocate the object. If the allocation
token (Section 2.1) does not match the object's allocation token
(Section 2.1), the server MUST return an EPP error result code of
2201.:
Example <transfer> request command to allocate the domain object with
the allocation token:
C:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
C:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
C: <command>
C: <transfer op="request">
C: <domain:transfer
C: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">
C: <domain:name>example1.tld</domain:name>
C: <domain:period unit="y">1</domain:period>
C: <domain:authInfo>
C: <domain:pw>2fooBAR</domain:pw>
C: </domain:authInfo>
C: </domain:transfer>
C: </transfer>
C: <extension>
C: <allocationToken:allocationToken
C: xmlns:allocationToken=
C: "urn:ietf:params:xml:ns:allocationToken-1.0">
C: abc123
C: </allocationToken:allocationToken>
C: </extension>
C: <clTRID>ABC-12345</clTRID>
C: </command>
C:</epp>
This extension does not add any elements to the EPP <transfer>
response described in the [RFC5730].
3.2.5. EPP <update> Command
This extension defines additional elements to extend an extension of
an empty EPP <update> command of an object mapping like [RFC5731].
An example of an extension of an empty EPP <update> command is the
definition of the restore command within [RFC3915].
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An extension of an empty EPP <update> command defines a new verb that
transforms an object. In addition to the EPP command elements
described in an object mapping like [RFC5731], the command MUST
contain a child <allocationToken:allocationToken> element, as defined
in Section 2.1, that identifies the extension namespace for the
client to be authorized to allocate the object. If the allocation
token (Section 2.1) does not match the object's allocation token
(Section 2.1), the server MUST return an EPP error result code of
2201.:
Example use an extension of an empty <update> command to release a
domain object with an allocation token:
C:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
C:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
C: <command>
C: <update>
C: <domain:update
C: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">
C: <domain:name>example1.tld</domain:name>
C: </domain:update>
C: </update>
C: <extension>
C: <release:release
C: xmlns:release="urn:ietf:params:xml:ns:release-1.0"/>
C: <allocationToken:allocationToken
C: xmlns:allocationToken=
C: "urn:ietf:params:xml:ns:allocationToken-1.0">
C: abc123
C: </allocationToken:allocationToken>
C: </extension>
C: <clTRID>ABC-12345-XYZ</clTRID>
C: </command>
C:</epp>
This extension does not add any elements to the EPP <update> response
described in the [RFC5730].
4. Formal Syntax
One schema is presented here that is the EPP Allocation Token
Extension schema.
The formal syntax presented here is a complete schema representation
of the object mapping suitable for automated validation of EPP XML
instances. The BEGIN and END tags are not part of the schema; they
are used to note the beginning and ending of the schema for URI
registration purposes.
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4.1. Allocation Token Extension Schema
BEGIN
<?xml version="1.0" encoding="UTF-8"?>
<schema targetNamespace="urn:ietf:params:xml:ns:allocationToken-1.0"
xmlns:allocationToken="urn:ietf:params:xml:ns:allocationToken-1.0"
xmlns="http://www.w3.org/2001/XMLSchema"
elementFormDefault="qualified">
<annotation>
<documentation>
Extensible Provisioning Protocol v1.0
Allocation Token Extension.
</documentation>
</annotation>
<!-- Element used in info command to get allocation token. -->
<element name="info"/>
<!-- Allocation Token used in transform
commands and info response -->
<element name="allocationToken"
type="allocationToken:allocationTokenType"/>
<complexType name="allocationTokenType">
<simpleContent>
<extension base="token"/>
</simpleContent>
</complexType>
<!-- End of schema.-->
</schema>
END
5. IANA Considerations
5.1. XML Namespace
This document uses URNs to describe XML namespaces and XML schemas
conforming to a registry mechanism described in [RFC3688]. The
following URI assignment is requested of IANA:
URI: ietf:params:xml:ns:allocationToken-1.0
Registrant Contact: See the "Author's Address" section of this
document.
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XML: See the "Formal Syntax" section of this document.
5.2. EPP Extension Registry
The EPP extension described in this document should be registered by
the IANA in the EPP Extension Registry described in [RFC7451]. The
details of the registration are as follows:
Name of Extension: "Allocation Token Extension for the Extensible
Provisioning Protocol (EPP)"
Document status: Standards Track
Reference: (insert reference to RFC version of this document)
Registrant Name and Email Address: IESG, <iesg@ietf.org>
TLDs: Any
IPR Disclosure: None
Status: Active
Notes: None
6. Security Considerations
The mapping extensions described in this document do not provide any
security services beyond those described by EPP [RFC5730] and
protocol layers used by EPP. The security considerations described
in these other specifications apply to this specification as well.
7. Acknowledgements
The authors wish to acknowledge the original concept for this draft
and the efforts in the initial versions of this draft by Trung Tran.
8. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997.
[RFC3688] Mealling, M., "The IETF XML Registry", BCP 81, RFC 3688,
January 2004.
[RFC3915] Hollenbeck, S., "Domain Registry Grace Period Mapping for
the Extensible Provisioning Protocol (EPP)", RFC 3915,
September 2004.
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[RFC5730] Hollenbeck, S., "Extensible Provisioning Protocol (EPP)",
STD 69, RFC 5730, August 2009.
[RFC5731] Hollenbeck, S., "Extensible Provisioning Protocol (EPP)
Domain Name Mapping", STD 69, RFC 5731, August 2009.
[RFC7451] Hollenbeck, S., "Extension Registry for the Extensible
Provisioning Protocol", RFC 7451, February 2015.
Appendix A. Change History
A.1. Change from 00 to 01
1. Amended XML Namespace section of IANA Considerations, added EPP
Extension Registry section.
2. Moved Change History to the back section as an Appendix.
A.2. Change from 01 to 02
1. Ping update.
A.3. Change from 02 to 03
1. Ping update.
A.4. Change from 03 to 04
1. Updated the authors for the draft.
Authors' Addresses
James Gould
VeriSign, Inc.
12061 Bluemont Way
Reston, VA 20190
US
Email: jgould@verisign.com
URI: http://www.verisigninc.com
Gould & Wodjenski Expires November 24, 2016 [Page 17]
Internet-Draft allocationToken May 2016
Sharon Wodjenski
Neustar
21575 Ridgetop Circle
Sterling, VA 20166
US
Email: Sharon.Wodjenski@neustar.biz
URI: http://www.neustar.biz
Gould & Wodjenski Expires November 24, 2016 [Page 18]