One document matched: draft-rosen-urn-nena-00.txt
Network Working Group B. Rosen
Internet-Draft NeuStar
Intended status: Informational July 3, 2009
Expires: January 4, 2010
URN Namespace for National Emergency Number Association (NENA)
draft-rosen-urn-nena-00
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Abstract
This document describes the Namespace Identifier (NID) for Uniform
Resource Namespace (URN) resources published by National Emergency
Number Association (NENA). NENA defines and manages resources that
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utilize this URN name model. Management activities for these and
other resource types are provided by the National Emergency Number
Association (NENA) Registry System (NRS). For the processes that NRS
uses to manage this and other registries, see NENA ??-???
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. URN Specification for "nena" NID . . . . . . . . . . . . . . . 4
3. Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4. Namespace Considerations . . . . . . . . . . . . . . . . . . . 6
5. Community Considerations . . . . . . . . . . . . . . . . . . . 6
6. Security Considerations . . . . . . . . . . . . . . . . . . . . 7
7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 7
8. Informative References . . . . . . . . . . . . . . . . . . . . 7
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . . 7
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1. Introduction
NENA is the "Voice of 9-1-1" in North America. NENA's mission is to
foster the technological advancement, availability and implementation
of a universal emergency telephone number system (9-1-1). In
carrying out its mission, NENA promotes research, planning, training
and education. The protection of human life, the preservation of
property, and the maintenance of general community security are among
NENA's objectives. NENA serves as a link in the delivery of
emergency services. 9-1-1 has, throughout its evolution, become
recognized as an asset of the North American public.
NENA is currently in the process of setting standards, processes and
procedures for the use of an IP-based Emergency Services IP Network
(ESInet) for all public safety entities in North America. This
activity is supported by a membership composed of private and public
sector entities that have an interest in 9-1-1 and public safety.
This effort, dubbed "Next Generation 9-1-1" (NG9-1-1) is based in
large part on IETF standards for interactive media session
establishment and emergency calling.
Some of the solutions being developed by NENA need XML namespaces
that are managed so that they are unique and persistent. To assure
that the uniqueness is absolute, the registration of a specific
Namespace ID (NID) for use by NENA was deemed appropriate.
Therefore, a full and complete registration will follow the namespace
specification process as defined in [RFC3406].
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2. URN Specification for "nena" NID
Namespace ID:
The NID "nena" is requested.
Registration Information:
registration version number: 1
registration date: YYYY-MM-DD [RFC Editor, please replace with the
data of publication of this RFC]
Declared registrant of the namespace:
Registering organization
Name: National Emergency Number Association (NENA)
Address: 4350 North Fairfax Drive, Suite 750
Arlington, VA 22203-1695
Designated contact:
Role: NENA Registry Services Administrator
Email: nrs-admin@nena.org
Declaration of syntactic structure:
The Namespace Specific String (NSS) of all URNs that use the "nena"
NID will have the following structure:
urn:nena:{NENAresource}:{ResourceSpecificString}
where the "NENAresource" is a US-ASCII string that conforms to the
URN syntax requirements [RFC2141] and defines a specific class of
resource type. Each resource type has a specific labeling scheme
that is covered by "ResourceSpecificString", which also conforms to
the naming requirements of [RFC2141].
NENA maintains a naming authority, the National Emergency Number
Association (NENA) Registration System (NRS) that will manage the
assignment of NENAresources" and the specific registration values
assigned for each resource class. Other NENA Standards documents
will define the "ResourceSpecificStrings" for a given "NENAresource".
Relevant ancillary documentation:
The National Emergency Number Association Registration System (NRS)
provides information on the registered resources and the
registrations for each. More information about NRS and the
registration activities and procedures to be followed are defined in
"Managing Registries for NENA Next Generation Data Elements Technical
Standard Document", NENA 02-XXX, Version 1, DRAFT March 22, 2009,
which is available at: http://www.nena.org/technical-standards.
Identifier uniqueness considerations:
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The NRS will manage resources using the "nena" NID and will be the
authority for managing the resources and subsequent strings
associated. In the associated procedures, NRS will ensure the
uniqueness of the strings themselves or shall permit secondary
responsibility for management of well-defined sub-trees.
NENA may permit use of experimental type values that will not be
registered. As a consequence, multiple users may end up using the
same value for separate uses. As experimental usage is only intended
for testing purposes, this should not be a real issue.
Identifier persistence considerations:
NRS will provide clear documentation of the registered uses of the
"nena" NID. NRS will establish a registry for NENAresources. Each
NENAresource will have a separate description in the registry and may
have its own sub-registry.
The registries and information will be published and maintained by
NRS on its web site.
Process of identifier assignment:
NRS will provide procedures for registration of each type of resource
that it maintains. Each such resource may have three types of
registration activities:
1. Registered values associated with NENA specifications or services
2. Registration of values or sub-registries to other entities
3. Name models for use in experimental purposes
Process for identifier resolution:
The namespace is not listed with an RDS; this is not relevant.
Rules for Lexical Equivalence:
No special considerations; the rules for lexical equivalence of
[RFC2141] apply.
Conformance with URN Syntax:
No special considerations.
Validation mechanism:
None specified. URN assignment will be handled by procedures
implemented in support of NRS activities.
Scope:
Global
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3. Examples
The following examples are representative urns that could be assigned
by NRS. They may not be the actual strings that would be assigned.
NENAresource "psaproute"
Syntax: "urn:nena.emergencyresponders:<responder name>"
ResourceSpecificString: simple string with name of responder,
defined in a sub-registry
Use: Defines the urn to be used for queries to an NG9-1-1 Emergency
Call Routing Function that provides URIs for responding agencies.
Examples:
urn:nena.emergencyresponders:ambulance
urn:nena.emergencyresponders:fire
urn:nena.emergencyresponders:ambulance
urn:nena.emergencyresponders:police
urn:nena.emergencyresponders:poison
urn:nena.emergencyresponders:coastguard
urn:nena.emergencyresponders:marine
4. Namespace Considerations
The National Emergency Number Association is developing a variety of
applications and services. Some of these services require that
supporting information (e.g., data descriptions, attributes, etc.) be
fully specified. For proper operation, descriptions of the needed
supporting information must exist and be available in a unique,
reliable, and persistent manner. These dependencies provide the
basis of need for namespaces, in one form or another.
As the National Emergency Number Association work is ongoing and
covers many technical areas, the possibility of binding to various
other namespace repositories has been deemed impractical. Each
object or description, as defined in NENA, could possibly be related
to multiple different other namespaces, so further conflicts of
association could occur. Thus the intent is to utilize the National
Emergency Number Association Registration System, operated by NENA,
as the naming authority for NENA-defined objects and descriptions.
5. Community Considerations
The objects and descriptions required for services defined by NENA
are generally available for use by other organizations. The National
Emergency Number Association will provide access and support for name
requests by these organizations. This support can be enabled in a
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timely and responsive fashion as new objects and descriptions are
produced. These will be enabled in a fashion similar to current IANA
processes.
6. Security Considerations
There are no additional security considerations other than those
normally associated with the use and resolution of URNs in general.
7. IANA Considerations
This document adds a new entry in the urn-namespaces registry. The
namespace should be "nena". The defining document is this RFC. The
entry can be found at: http://www.iana.org/assignments/urn-namespaces
and any associated mirrors.
8. Informative References
[RFC2141] Moats, R., "URN Syntax", RFC 2141, May 1997.
[RFC3406] Daigle, L., van Gulik, D., Iannella, R., and P. Faltstrom,
"Uniform Resource Names (URN) Namespace Definition
Mechanisms", BCP 66, RFC 3406, October 2002.
Author's Address
Brian Rosen
NeuStar, Inc.
470 Conrad Dr
Mars, PA 16046
US
Email: br@brianrosen.net
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