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RFC 4358

A Uniform Resource Name (URN) Namespace for the Open Mobile Alliance (OMA)

Pages: 6
Informational

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Network Working Group                                           D. Smith
Request for Comments: 4358                          Open Mobile Alliance
Category: Informational                                     January 2006


              A Uniform Resource Name (URN) Namespace for
                    the Open Mobile Alliance (OMA)

Status of This Memo

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

Copyright Notice

   Copyright (C) The Internet Society (2006).

Abstract

This document describes the Namespace Identifier (NID) for Uniform Resource Namespace (URN) resources published by the Open Mobile Alliance (OMA). OMA defines and manages resources that utilize this URN name model. Management activities for these and other resource types are provided by the Open Mobile Naming Authority (OMNA).

Table of Contents

1. Introduction ....................................................2 2. URN Specification for "oma" NID .................................2 3. Examples ........................................................4 4. Namespace Considerations ........................................4 5. Community Considerations ........................................5 6. Security Considerations .........................................5 7. IANA Considerations .............................................5 8. Informative References ..........................................5
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1. Introduction

OMA is a specification development body developing technologies for mobile devices. This activity is supported by a membership composed of network operators, equipment vendors, content providers, and other suppliers to the mobile market. Some of the technologies being developed by OMA 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 NID for use by OMA was deemed appropriate. Therefore, a full and complete registration will follow the namespace specification process as defined in [RFC3406].

2. URN Specification for "oma" NID

Namespace ID: The NID "oma" is requested. Registration Information: registration version number: 1 registration date: 2005-07-18 Declared registrant of the namespace: Registering organization Name: Open Mobile Alliance Address: 4275 Executive Square Suite 240s La Jolla, CA 92037 Designated contact Role: Technical Program Manager Email: TPM@omaorg.org Declaration of syntactic structure: The Namespace Specific String (NSS) of all URNs that use the "oma" NID will have the following structure: urn:oma:{OMAresource}:{ResourceSpecificString} where the "OMAresource" 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
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      that is covered by "ResourceSpecificString", which also conforms
      to the naming requirements of [RFC2141].

      OMA maintains a naming authority, the Open Mobile Naming Authority
      (OMNA), that will manage the assignment of "OMAresources" and the
      specific registration values assigned for each resource class.

   Relevant ancillary documentation:

      The Open Mobile Naming Authority (OMNA) provides information on
      the registered resources and the registrations for each.  More
      information about OMNA and the registration activities and
      procedures to be followed are available at:

         http://www.openmobilealliance.org/tech/omna

   Identifier uniqueness considerations:

      The OMNA will manage resources using the "oma" NID and will be the
      authority for managing the resources and subsequent strings
      associated.  In the associated procedures, OMNA will ensure the
      uniqueness of the strings themselves or shall permit secondary
      responsibility for management of well-defined sub-trees.

      OMA 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:

      OMNA will provide clear documentation of the registered uses of
      the "oma" NID.  This will be structured such that each OMAresource
      will have a separate description and registration table.

      The registration tables and information will be published and
      maintained by OMNA on its web site.

   Process of identifier assignment:

      OMNA 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 OMA specs or services
         2) Registration of values or sub-trees to other entities
         3) Name models for use in experimental purposes
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   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 OMNA activities.

   Scope:

      Global

3. Examples

The following examples are representative urns that could be assigned by OMNA. They may not be the actual strings that would be assigned. urn:oma:ac:oma-presence Defines the urn to be used for the Application Characteristic object definition for providing attributes to the Presence enabler defined in OMA. urn:oma:drms:org-foobar Defines the urn associated with the Digital Rights Management System object definition allocated to foobar, which is an external organization that made request via OMNA for a drms urn.

4. Namespace Considerations

The Open Mobile Alliance is developing a variety of application and service enablers. Some of these enablers 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.
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   As the Open Mobile Alliance 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 OMA, could possibly be related to multiple
   different other namespaces, so further conflicts of association could
   occur.  Thus the intent is to utilize the Open Mobile Naming
   Authority, operated by OMA, as the naming authority for OMA-defined
   objects and descriptions.

5. Community Considerations

The objects and descriptions required for enablers produced by OMA are generally available for use by other organizations. The Open Mobile Naming Authority will provide access and support for name requests by these organizations. This support can be enabled in a timely and responsive fashion as new objects and descriptions are produced. These will be enabled in a fashion similar to current OMNA support.

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

The requested NID has been entered into the IANA registry for URN NIDs. The update 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

Dwight Smith (Chair, Operations and Process Committee, OMA) Motorola 5555 N Beach Street Ft. Worth, TX 76137 EMail: dwight.smith@motorola.com
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