IANA Registration of New Session Initiation Protocol (SIP) Resource-Priority Namespace for Mission Critical Push To Talk Service
RFC 8101
| Document | Type |
RFC - Informational
(March 2017; No errata)
Was draft-holmberg-dispatch-mcptt-rp-namespace (individual in art area)
|
|
|---|---|---|---|
| Last updated | 2017-03-22 | ||
| Stream | IETF | ||
| Formats | plain text pdf html bibtex | ||
| Reviews | |||
| Stream | WG state | (None) | |
| Document shepherd | Roland Jesske | ||
| Shepherd write-up | Show (last changed 2016-08-16) | ||
| IESG | IESG state | RFC 8101 (Informational) | |
| Consensus Boilerplate | Yes | ||
| Telechat date | |||
| Responsible AD | Ben Campbell | ||
| Send notices to | (None) | ||
| IANA | IANA review state | Version Changed - Review Needed | |
| IANA action state | RFC-Ed-Ack | ||
Internet Engineering Task Force (IETF) C. Holmberg
Request for Comments: 8101 J. Axell
Category: Informational Ericsson
ISSN: 2070-1721 March 2017
IANA Registration of New Session Initiation Protocol (SIP)
Resource-Priority Namespace for Mission Critical Push To Talk Service
Abstract
This document creates additional Session Initiation Protocol (SIP)
Resource-Priority namespaces to meet the requirements of the
3GPP-defined Mission Critical Push To Talk (MCPTT) and places these
namespaces in the corresponding IANA registry.
Status of This Memo
This document is not an Internet Standards Track specification; it is
published for informational purposes.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Not all documents
approved by the IESG are a candidate for any level of Internet
Standard; see Section 2 of RFC 7841.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/rfc8101.
Copyright Notice
Copyright (c) 2017 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
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the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Holmberg & Axell Informational [Page 1]
RFC 8101 MCPTT R-P Namespace March 2017
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Applicability . . . . . . . . . . . . . . . . . . . . . . . . 3
3. New SIP Resource-Priority Namespaces Created . . . . . . . . 3
3.1. Introduction . . . . . . . . . . . . . . . . . . . . . . 3
3.2. The MCPTT Namespaces . . . . . . . . . . . . . . . . . . 3
4. Security Considerations . . . . . . . . . . . . . . . . . . . 5
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 5
6. Normative References . . . . . . . . . . . . . . . . . . . . 5
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . 6
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 6
1. Introduction
The Third Generation Partnership Project (3GPP) has defined a Mission
Critical Push To Talk (MCPTT) over LTE service [TS.3GPP.22.179]. The
MCPTT service supports an enhanced Push To Talk (PTT) service that is
suitable for mission critical scenarios and is based upon 3GPP
Evolved Packet System (EPS) services. The requirements for the MCPTT
service defined within 3GPP can also form the basis for other PTT
services.
The MCPTT service is intended to support communication between
several users (a group call), where each user can gain permission to
talk in an arbitrated manner. However, the MCPTT service also
supports private calls between pairs of users.
MCPTT is primarily targeted to provide a professional PTT service to,
e.g., public safety, transport companies, utilities, and industrial
and nuclear plants. In addition to this, a commercial PTT service
for non-professional use (e.g., groups of people on holiday) may be
delivered through an MCPTT system. Based on their operational model,
the performance and MCPTT features in use vary per user organization,
where functionality that is more mission-critical-specific (e.g.,
Imminent Peril Call) might not be available to commercial customers.
The MCPTT service provides its users with different priorities for
the access to network resources in order to provide means to
prioritize between calls when resources are scarce. Among other
things, these priorities take into account the priority and role of
the caller, the priority and type of the group, and the situation in
which the call is made.
The SIP-level call control procedures using these namespaces are
specified in [TS.3GPP.24.379]. The namespaces defined here will
support a wide range of queuing options. The namespaces correspond
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