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Report on ETSI NGN Interconnection of Services Strategic Topic. Fernando Soriano Claudio Gentile ETSI Board Members Presenter: Mike Sharpe. Submission Date: June 27, 2008 . INDEX. Introduction Rationale Gap Analysis Workshop NGN Interconnection Work Ahead. ETSI NGN Interconnection.

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report on etsi ngn interconnection of services strategic topic

Report on ETSI NGN Interconnection of ServicesStrategic Topic

Fernando Soriano

Claudio Gentile

ETSI Board Members

Presenter: Mike Sharpe

Submission Date:June 27, 2008

index
INDEX
  • Introduction
  • Rationale
  • Gap Analysis
  • Workshop NGN Interconnection
  • Work Ahead
etsi ngn interconnection
ETSI NGN Interconnection
  • Introduction
  • Rationale
  • Gap Analysis
  • Workshop NGN Interconnection
  • Work Ahead
introduction
Introduction
  • Within the topic of “Service level Interconnection of NGN Services” ETSI:
    • Intends to give a step forward and to highlight the importance of interconnection at the service level for Next Generation Network
    • Shows its determination to take the required steps to lead the creation of the interconnection standard
    • and wiliness to bring all parties together to collaborate in its realization
  • ETSI identified three main areas of work:
    • Need of Global Standard that covers IP interconnection of NGN services.
    • Avoiding divergent implementations
    • And assuring the global interconnection of NGN
  • NGN Interconnection of Services was approved as a strategic topic for 2008 by the General Assembly in November 2007
etsi ngn interconnection5
ETSI NGN Interconnection
  • Introduction
  • Rationale
  • Gap Analysis
  • Workshop NGN Interconnection
  • Work Ahead
rationale
Rationale
  • ETSI goal is the re-assure the elaboration of a global Standard for Interconnection of NGN Services.
  • Today interconnection of IP is optimized for Internet.
  • Interconnection of NGN services must take in consideration Telco requirements:
    • QoS across the whole chain
    • Payments, according to principles of initiating party pays (or others), premium numbers,…
    • Reduce complexity of interconnection among operators (and, potentially, thousands of players) to achievable targets
  • And this Interconnection has to be achieved at a global scale
  • Interconnection of NGN affects to a multiple players and organizations, and differences in their approaches may lead to duplication and divergence
  • Out of Scope: Commercial relation itself across the chain of IMS
etsi ngn interconnection7
ETSI NGN Interconnection
  • Introduction
  • Rationale
  • Gap Analysis
  • Workshop NGN Interconnection
  • Work Ahead
gap analysis
GAP Analysis
  • How identified requirements (business oriented) fit with current standardization work on interconnection?
  • Are well covered all aspects?
  • Are there overlapping among the work in technical organizations?
  • Initial study done by TE and TI
    • Taking as reference the IPX model developed in the GSMA
    • And the work under progress in 3GPP and ETSI TISPAN
    • Analyzing aspects related to:
      • Architectural models, network interfaces,…
      • QoS values defined across the IP chain (access, carrier, peering point, codecs,..), including KPI measurement,
      • Security: Define and manage different security levels and profiles
      • Consideration the intermediate figure of the carrier/hub
      • CDR specification and production within the technical infrastructure for settlements among participants
      • Testing to certify interconnection.
      • Etc.
  • Shows that technical work may need to be reviewed, prioritized and better synchronized.
etsi ngn interconnection11
ETSI NGN Interconnection
  • Introduction
  • Rationale
  • Gap Analysis
  • Workshop NGN Interconnection
  • Work Ahead
workshop ngn interconnection june 9th 2008
Workshop NGN InterconnectionJune 9th 2008
  • Scope:
    • Technical aspects of the creation of a standard for the interconnection for NGN services
  • Aim:
    • Address interconnection requirements elaborated in the GSMA
    • Discuss how they could be initially taken to standardization in 3GPP and TISPAN
    • Lay down basis for the cooperation required for the success of this project
  • Goal:
    • To make an overall review of the Interconnection for NGN services
    • To understand requirements and potential of the interconnection model
    • To get expert feedback on the need to prepare standards to cover the interconnection of NGN
    • To know better each organization and what their expertise is on
    • To motivate finding together what needs to be done, how it is to be accomplished and which organization should do it. First step to initiate the initiate the work
  • Invitations sent to:
    • o 3GPP, TISPAN, INT, GSMA and IPIA on 1st week of May
    • ETSI members and to 3GPP OPs on May 15th and 27th
  • Participation from:
    • Over 15 operator, 6 carriers, 12 manufacturers, and 6 government institutions
    • 3GPP, GSMA, i3 Forum, IPI Alliance, TISPAN represented in the workshop and actively contributing
  • 15 contributions were provided by TISPAN, GSMA, i3, 3GPP, NTT Docomo, TE and TI (http://portal.etsi.org/docbox/Workshop/2008/200806_NGN_INTERCONNECTION/ )
workshop emerging from the discussion
WorkshopEmerging from the Discussion
  • Importance of IP interconnection growing at all levels
    • NGN operators, International Carriers, etc.
    • Regulators
    • Vendors
  • Presentations from the various organizations provided snapshots of activities
  • GSMA IPX model presented as major piece of requirements
  • IPI Alliance and i3 Forum recently established may provide additional requirements
  • 3GPP Rel 8 to cover
    • IMS to IMS NNI for direct interconnection
    • CS to CS based on SIP-I
    • More complex scenario’s including eg use of IPX service/network to be addressed in rel 9
  • Discussion on the need to look at interconnection of IMS to generic (basic) SIP
  • Roaming support presentation from NTT DoCoMo. More activity to be done as it is expected to influence the evolution of interconnection
  • Presentation from TE and TI provided initial review of the gaps between the GSMA business requirements/models and the standards
  • Interoperability testing (eg in ETSI INT) will have increasing importance once the standards are finalized
workshop meeting output
WorkshopMeeting output
  • Leverage TISPAN experience in this area to cover NGN requirements, not losing the expertise of this and other organizations
  • Need to be aware of developments also in other organizations including ITU and the regional SDOs partners of 3GPP and share ETSI findings also in GSC
  • It is proposed to develop a high level roadmap showing the programs of each organization and the critical relationships over time. This should possibly present the timescale relevant to the major requirements
  • What is the next step? Focus down on a specific case, on a service level NNI, which is critical to be put in place, to be standardized, and discuss that in detail as a next step
  • It was proposed to establish a mailing list to progress the discussion
  • Do not lose the momentum, don’t stop ongoing activities while looking at future improvement
  • It was supported the importance of seeking a coherent and coordinated set of standards with global value
etsi ngn interconnection15
ETSI NGN Interconnection
  • Introduction
  • Rationale
  • Gap Analysis
  • Workshop NGN Interconnection
  • Work Ahead
work ahead
Work Ahead

Establish the foundations for interconnection of the new generation of IMS services beyond frontiers

Technical standard for NGN interconnection of services must be timely available for NGN, coordinated with Common IMS, and IMS services that will be standardize by 3GPP, SDOs, OMA and other organizations

Next work requires to continue in the coordinated way initiated in Workshop:

Technical bodies will continue contribution driven fromtheir participants according with their normal procedures

Synchronization through liaisons may have to be reinforce by mixed working groups, follow up sessions or whatever may be decided

16

slide17
NGN Interconnection of Services

Strategic Activity for ETSI

Thank you