Workshop Report. ETSI TISPAN The Home of NGN Standards. Beijing, China, 28 May, 2008
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1 Workshop Report ETSI TISPAN The Home of NGN Standards Beijing, China, 28 May, 2008 Since 2003, ETSI TISPAN has been the key standardization body for building up Next Generation Networks (NGN) specifications for fixed networks. Release 1 laid the foundations with the core network definition. Release 2 added key elements with IPTV, Home Gateway, and Corporate Networks. ETSI TISPAN is building up the global architecture allowing convergence of services. This workshop organised by ETSI and ZTE and hosted by ZTE, gathered key industry players to discuss the NGN market environment, the current stage of TISPAN work programme and NGN standardization, and the service evolutions foreseen with the introduction of NGN. The workshop took place on 28 May 2008 and counted 50 attendees. Welcome Speech Sonia Compans welcomed the participants to the TISPAN workshop. She thanked ZTE for helping ETSI to organise this workshop and for kindly hosting this event. Special thanks were given to Jianjie You and Zhongming Sun from ZTE. ETSI, World Class Standards Sonia Compans made an introduction to ETSI and its three primary roles: ESO: European Standards Organization GSP: Global Standards Producer SES: Standards Enabling Services
2 ETSI TISPAN Defining the Next Generation Network Rainer Münch, ETSI TISPAN Chairman Rainer Münch, chairman of ETSI TISPAN Technical Committee gave an overview of the technical committee, giving history facts and stressing the importance of the committee for fixed networks standardisation. He highlighted the main achievements of the group with the definition of the overall architecture including IMS re-use for release 1, and then home gateway, IPTV, and corporate networks for release 2. Release 3 will deal with VoIP Consolidation (including QoS, security, interworking), IPTV Service evolution (blended services and beyond), Ultra Broadband (fixed and wireless) access to the NGN, Interconnection (both IMS and non IMS), Network Harmonization - increase interoperability with other NGNs and other networks (non IMS). Working with ETSI Board, 3GPP and GSMA. Finally he stressed the importance of the coordination with other standardisation groups and fora. ETSI TISPAN collaborates with all groups and fora involved in NGN standardisation in order to ensure coherence of standards. ZTE Involvement in NGN Mingdong Li, Director of Standardization, Department of Standard Development and Industry Relations, ZTE Corporation Mingdong Li provided a NGN market status, gave an overview of the operators' needs, and listed areas where standards are still missing. From the market point of view, the mobile penetration is increasing. All over IP and data services are more and more important. Knowing this, operators want to offer full services operation which means convergence with: - multi-module/multi-access terminals - network convergence (service platform, core network, bearer network) - user profile convergence The objective for operators is to reduce CAPEX and OPEX. Further standardisation efforts are needed and expected on the following topics: - A unified user profile management - Open service platform - Home gateway
3 Network Service Convergence and Evolution Huiling Zhao, VP, China Telecom Corporation Limited Beijing Research Institute Huiling Zhao provided China Telecom analysis of the NGN network evolution. From this analysis, it was concluded that end-users expect diversified services with seamless experience. This means convergence. All three major Chinese operators will soon offer full converged services. China Telecom will roll out fibre to the home by To enable converged services, unified services management is needed with - User database management - Service management - Content provider and service provider service access Regarding user database management, there is a need for centralized databases to hold mobile, PSTN, PHS, and internet profiles. China Telecom participates to ITU-T meetings for the user data topic. For service management and content/service providers service access, common service interfaces are required (e.g. for instant messaging service). Today there are interface concerns for some applications such as presence and instant messenger (MSN,Skype, and others). It was pointed out that full IMS enables instant messaging as defined by 3GPP but is very heavy on network computing and database resources. She concluded on the three standardisation topics which are essential for China Telecom: - User data management (applications, services, and networks) - Service network which is the key part of integrated information service provision - Service interfaces e.g. UC Current Telecom Market in Japan and NTT's NGN Osamu Kamatani, Senior Research Engineer NTT Service Integration Laboratories Osamu Kamatani gave an overview of the Japanese telecom market and NTT involvement in NGN. NGN just started in Japan. The loss of conventional PSTN customers should be compensated by NGN subscribers. NTT deployment of NGN began in March NTT plans 20M fibre to home connections very soon. Fixed and mobile full-ip network should be deployed by 2010 and full scale NGN deployment is targeted for NTT is the leading NGN operator in Japan. IPTV is one of the most important services NTT focuses on. Interconnection with other networks is also essential because NTT will not provide the entire infrastructure.
4 NTT is an active member of TISPAN. NTT participates to TISPAN meetings since end 2004, has regular attendance and contributions. NTT participates also to ITU-T meetings. Finally Osamu Kamatani indicated that a new forum has been created: Next Generation Services Joint Development forum. This forum is set to support rapid development and commercialization of services. Unsolicited Communication in the NGN Thilo Ewald, Research Associate, NEC Laboratories Europe Thilo Ewald presented what Unsolicited Communications (UC) are, the threat of UC, the handling and prevention of UC, and the standardization aspects. It was stressed out that only distributed solutions will contribute to a reliable solution. There is a need to identify which network elements are affected, the standardisation of UC marking, and a common UC user profile. Thilo Ewald gave an overview of where this work is being studied and standardized. IETF, ITU, TISPAN, 3GPP and OMA all made studies and progress on this matter. 3GPP look to an IMS based solution to fight back to spam / virus. OMA use categories to filter out spam. TISPAN has 5 existing documents that deal with the subject of UC. A UC specific technical specification is in development. TISPAN is seen as the key body to coordinate all the standardization activities. Machine to machine communications are also on the horizon. Also it was mentioned that too efficient spam blockers are not desirable - some desired s need not be filtered - this will be considered in the study. Evolution of Mobile Networks Duan Xiaodong, Project Manager, Department of Network Technology, China Mobile Research Institute Duan Xiaodong presented the challenges of internet. Internet is based on distributed technologies while telecommunication network is centralised. China Mobile prefers distributed architecture but falls back to centralized network for some applications. China Mobile pushes for the integration of mobile and internet. As IMS is not simple and has high CAPEX and OPEX, China Mobile decided to develop an extended IMS which is called WIISE. Wireless internet protocol on internet service environment (WIISE), a technology designed to let mobile networks better manage their bandwidth capacity, is among the institute s key projects. WIISE relies on a distributed service (peer-to-peer) network which is the evolution of NGN for China Mobile.
5 There was a discussion on the scalability and the security of such solution. China Mobile also indicated that they would communicate on the proprietary solution via a white paper and that their intention is to push this selfdeveloped technology internationally. NGN Standard Progress in China Heyuan Xu, Chief Engineer, Research Institute for Transmission and Telecommunication Heyuan Xu introduced what the China academy of telecommunications research is. It is a bridge between companies and authorities and develops communication standards. A status on the development and deployment of NGN in China was provided. IMS networks are under test and trial. And CCSA is now working on IPTV standards and home networking. The future topics for CCSA are the following: - P2P - Unified communication - ICT (UC) - FMC - Ubiquitous networking - IDM BT Standards Strategy Steve Norreys, British Telecom Steve Norreys presented the standards strategy of British Telecom. Standards are essential for: - Interworking with other operators - Reducing costs - Benefiting from several providers BT has a global participation to key standardisation organisations and fora. TISPAN is important for BT because: - TISPAN is still seen as a major player in the definition of the NGN services outside of the common IMS. e.g. IPTV, Naming & Addressing, Interconnect, Enterprise Network - Looking to the future with discussions opening on distributed architecture which may be the next step after NGN e.g. GRID - ETSI has a track record of delivering Global significant standards e.g. ISDN services, GSM now NGN. - Is the place that is looked to by both the regional and national regulation bodies and therefore allows BT to influence the direction setting. e.g. ecall MCID LI ehealth
6 Telenor and TISPAN NGN Judith Rossebø, ETSI TISPAN Security WG Chairman, Senior Research Scientist, Telenor Judith Rossebø gave an overview of Telenor. It is a mobile network operator but they want to expand to fixed-line services. Telenor is involved in all main standardisation organisations and fora. Standards are made to simplify service deployment, cost efficiency, access independence and provide a commercially sustainable framework for providing IP services. TISPAN is important for Telenor for which the following topics are important: IPTV QoS in a multi-service environment RACS can help them to achieve this End to end QoS Security IPTV security (enhancement of stage 2, definition of stage 3) Security for CNG/CND (stage 1, stage 2, stage 3) Analyse the inter-relation between security features and architecture of the NGN (IPTV, NAT-T, NASS, RACS etc.) in terms of how to employ consistent security architecture and mechanisms IP Interconnection Standardize elements and reduce complexity of the NGN Judith Rossebø finally gave an example of a TISPAN NGN service implementation
7 13:30 Registration 14:00 Welcome 14:05 ETSI, World Class Standards 14:20 ETSI TISPAN Status & Perspectives Rainer Münch, ETSI TISPAN Chairman 14:35 ZTE Involvement in NGN Mingdong Li, Director of Standardization, Department of Standard Development and Industry Relations, ZTE Corporation 15:00 Network Service Convergence and Evolution Huiling Zhao, VP, China Telecom Corporation Limited Beijing Research Institute 15:25 Current Telecom Market in Japan and NTT's NGN Osamu Kamatani, Senior Research Engineer NTT Service Integration Laboratories 15:50 Coffee Break 16:15 Unsolicited Communication in the NGN Thilo Ewald, Research Associate, NEC Laboratories Europe 16:40 Evolution of Mobile Networks Duan Xiaodong, Project Manager, Department of Network Technology, China Mobile Research Institute 17:05 NGN Standard Progress in China Heyuan Xu, Chief Engineer, Research Institute for Transmission and Telecommunication 17:30 BT Standards Strategy Steve Norreys, British Telecom 17:55 Telenor and TISPAN NGN Judith Rossebø, ETSI TISPAN Security WG Chairman, Senior Research Scientist, Telenor 18:20 Wrap-up Rainer Münch, ETSI TISPAN Chairman 18:30 End of Workshop All presentations are available at the following location: ftp://docbox.etsi.org/workshop/2008/200805_tispanworkshop
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