ETSI TS 122 278 V8.10.0 (2010-01) Technical Specification Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Evolved Packet System (EPS) (3GPP TS 22.278 version 8.10.0 Release 8) 3GPP TS 22.278 version 8.10.0 Release 8 1 ETSI TS 122 278 V8.10.0 (2010-01) Reference RTS/TSGS-0122278v8a0 Keywords LTE, UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N° 348 623 562 00017 - NAF 742 C Association à but non lucratif enregistrée à la Sous-Préfecture de Grasse (06) N° 7803/88 Important notice Individual copies of the present document can be downloaded from: http://www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). 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Latest updates are available on the ETSI Web server (http://webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http://webapp.etsi.org/key/queryform.asp. ETSI 3GPP TS 22.278 version 8.10.0 Release 8 3 ETSI TS 122 278 V8.10.0 (2010-01) Contents Intellectual Property Rights ................................................................................................................................ 2 Foreword ............................................................................................................................................................. 2 Foreword ............................................................................................................................................................. 5 Introduction ........................................................................................................................................................ 5 1 Scope ........................................................................................................................................................ 6 2 References ................................................................................................................................................ 6 3 Definitions and abbreviations ................................................................................................................... 7 3.1 Definitions .......................................................................................................................................................... 7 3.2 Abbreviations ..................................................................................................................................................... 7 4 General description................................................................................................................................... 7 4.1 Objectives ........................................................................................................................................................... 7 5 High-level requirements – user and operational aspects .......................................................................... 8 6 Basic capabilities ...................................................................................................................................... 9 6.1 Support of IP traffic ............................................................................................................................................ 9 6.1.1 Support of increased IP traffic demand......................................................................................................... 9 6.1.2 Ability to effectively handle a variety of different types of IP traffic ........................................................... 9 6.1.3 IP address support ......................................................................................................................................... 9 6.1.4 Support of basic IP connectivity ................................................................................................................. 10 6.1.5 Support of IP multicast service ................................................................................................................... 10 6.2 IP session control ............................................................................................................................................. 10 6.3 Quality of Service ............................................................................................................................................. 10 6.4 Void .................................................................................................................................................................. 11 6.5 Void .................................................................................................................................................................. 11 7 Multi-access and seamless mobility ....................................................................................................... 12 7.1 Mobility management ....................................................................................................................................... 12 7.1.1 Heterogeneous access systems mobility ..................................................................................................... 12 7.1.2 Local breakout ............................................................................................................................................ 12 7.1.3 Fixed Access Systems ................................................................................................................................. 13 7.1.4 Service continuity ....................................................................................................................................... 13 7.1.4.1 General .................................................................................................................................................. 13 7.1.4.2 Service continuity at domain and RAT change for TS 11, TS 12 and equivalent PS service .............. 13 7.1.4.2A Voice Call Service continuity between 3GPP defined RATs and non 3GPP defined RATs ................ 14 7.1.4.3 Service continuity between E-UTRAN and 3GPP2 accesses on Evolved Packet Core ........................ 14 7.1.4.4 Service continuity between 3GPP and WiMAX access on Evolved Packet Core ................................. 14 7.1.5 Access network discovery .......................................................................................................................... 14 7.1.6 Steering of access ....................................................................................................................................... 14 7.1.7 CS fallback.................................................................................................................................................. 15 7.1.7.1 General .................................................................................................................................................. 15 7.1.7.2 Roaming in a VPLMN not supporting CS fallback ............................................................................... 15 8 Performance requirements for the Evolved Packet System.................................................................... 16 9 Security and privacy ............................................................................................................................... 17 9.1 General ............................................................................................................................................................. 17 9.2 Security requirements ....................................................................................................................................... 17 9.3 Privacy requirements ........................................................................................................................................ 17 10 Charging Aspects ................................................................................................................................... 18 Annex A (informative): Requirements for further study .................................................................... 19 A.1 Management of access networks ............................................................................................................ 19 ETSI 3GPP TS 22.278 version 8.10.0 Release 8 4 ETSI TS 122 278 V8.10.0 (2010-01) Annex B (normative): Evolved Packet System (EPS) applicable specifications ............................. 20 B.1 EPS Applicable Specifications ............................................................................................................... 20 Annex C (informative): Change history ............................................................................................... 21 History .............................................................................................................................................................. 23 ETSI 3GPP TS 22.278 version 8.10.0 Release 8 5 ETSI TS 122 278 V8.10.0 (2010-01) Foreword This Technical Specification has been produced by the 3rd Generation Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of release date and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for information; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. Introduction To ensure competitiveness in a longer time frame an evolution of the overall 3GPP system needs to be considered. This document compiles requirements to ensure that an Evolved Packet System can cope with the rapid growth in IP data traffic and demanding requirements for new multimedia type of applications in terms of performance and quality, delivered to the user, whilst at the same time enabling cost effective deployment and operation. The Evolved Packet System is characterised by: - Reduced latency - Higher user data rates equating to broadband performance - Improved system capacity and coverage - Lower operational costs ETSI 3GPP TS 22.278 version 8.10.0 Release 8 6 ETSI TS 122 278 V8.10.0 (2010-01) 1 Scope The present document describes the service requirements for the Evolved Packet System. Additional requirements for E-UTRAN are contained in the specifications identified in annex B. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. • References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. • For a specific reference, subsequent revisions do not apply. • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document. [1] 3GPP TS 22.003: "Circuit Teleservices supported by a Public Land Mobile Network (PLMN)". [2] 3GPP TS 21.905: "Vocabulary for 3GPP specifications". [3] 3GPP TS 22.258: "Service Requirements for the All-IP Network (AIPN); Stage1". [4] 3GPP TR 25.913: "Requirements for Evolved UTRA (E-UTRA) and Evolved UTRAN (E- UTRAN)". [5] 3GPP TS 22.115: "Service aspects; Charging and billing". [6] ETSI TS 102 250-1: "Speech Processing, Transmission and Quality Aspects (STQ); QoS aspects for popular services in GSM and 3G networks: Part 1: Identification of Quality of Service aspects". [7] 3GPP TR 23.882: "3GPP system architecture evolution (SAE): Report on technical options and conclusions". [8] C.S0001-A Introduction to cdma2000 Standards for Spread Spectrum Systems - Release A. [9] C.S0002-A Physical Layer Standard for cdma2000 Spread Spectrum Systems - Release A. [10] C.S0003-A Medium Access Control (MAC) Standard for cdma2000 Spread Spectrum Systems - Release A addendum 2. [11] C.S0004-A Signaling Link Access Control (LAC) Specification for cdma2000 Spread Spectrum Systems -Addendum 2. [12] C.S0005-A Upper Layer (Layer 3) Signaling Standard for cdma2000 Spread Spectrum Systems - Release A addendum 2. [13] C.S0006-A Analog Signaling Standard for cdma2000 Spread Spectrum Systems - Addendum 2. [14] A.S0007 – A.S0009 Interoperability Specification (IOS) for High Rate Packet Data (HRPD). [15] A.S0011 – A.S0017 Interoperability Specification (IOS) for cdma2000 Access Network Interfaces. [16] X.S0011 cdma2000 Wireless IP Network. [17] C.S0024-A cdma2000 High Rate Packet Data Air Interface Specification. [18] C.S0024-0 cdma2000 High Rate Packet Data Air Interface Specification. ETSI 3GPP TS 22.278 version 8.10.0 Release 8 7 ETSI TS 122 278 V8.10.0 (2010-01) [19] Void. [20] WiMAX Forum Mobile System Profile, Release 1.0 . [21] Void [22] "Recommendations and Requirements for Networks based on WiMAX Forum CertifiedTM Products" (WiMAX stage 1) [23] "WiMAX Forum Network Architecture (Stage 2: Architecture Tenets, Reference Model and Reference Points)" [24] "WiMAX Forum Network Architecture (Stage 3: Detailed Protocols and Procedures)" [25] Void. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in TR 21.905 [2] and the following apply. Evolved Packet System: is an evolution of the 3G UMTS characterized by higher-data-rate, lower-latency, packet- optimized system that supports multiple RATs. The Evolved Packet System comprises the Evolved Packet Core together with the evolved radio access network (E-UTRA and E-UTRAN). Service Continuity: The uninterrupted user experience of a service that is using an active communication (e.g. an ongoing voice call) when a UE undergoes a radio access technology change or a CS/PS domain change without, as far as possible, the user noticing the change. Note: In particular Service Continuity encompasses the possibility that after a RAT / domain change the user experience is maintained by a different telecommunication service (e.g. tele- or bearer service) than before the RAT / domain change. 3.2 Abbreviations For the purposes of the present document, the abbreviations given in TR 21.905 [2] and the following apply. NRT Non Real Time RT Real Time 4 General description 4.1 Objectives The Evolved Packet System is a higher-data-rate, lower-latency, packet-optimized system that supports multiple RATs. The focus of the Evolved Packet System work is on enhancement of Packet Switched technology to cope with rapid growth in IP traffic. The objectives of the Evolved Packet System are to: - Provide higher data rates, lower latency, high level of security and enhanced QoS; - Support a variety of different access systems (existing and future), ensuring mobility and service continuity between these access systems; - Support access system selection based on a combination of operator policies, user preference and access network conditions; ETSI 3GPP TS 22.278 version 8.10.0 Release 8 8 ETSI TS 122 278 V8.10.0 (2010-01) - Realise improvements in basic system performance whilst maintaining the negotiated QoS across the whole system; - Provide capabilities for co-existence with legacy systems and migration to the Evolved Packet System. 5 High-level requirements – user and operational aspects The Evolved Packet System shall be capable of accommodating a variety of different access systems thus providing a multi-access system environment to the user. The Evolved Packet System shall provide mobility functionality within and across the different access systems. Mobility functionality shall be optimized meaning that it offers minimal signalling overhead, minimal handover interruption time, secure handover procedure and local breakout. The Evolved Packet System shall provide capabilities to inter-work with a variety of broadband networks based on IP technologies including those not specified by 3GPP. The Evolved Packet System shall provide enhanced performance e.g., low communication delay, low connection set-up time and high communication quality. The Evolved Packet System shall be able to efficiently support a variety of traffic models e.g. user-to-user, user-to- group and traffic models generated by ubiquitous services. The Evolved Packet System shall provide functionality to support outbound roaming subscribers on other Evolved Packet Systems and legacy networks. The Evolved Packet System shall provide functionality to support inbound roaming subscribers from other Evolved Packet Systems and legacy networks. The Evolved Packet System shall be capable of supporting and inter-working with PS services provided on Rel-7 and earlier networks. The Evolved Packet System shall be capable of inter-working with CS services provided on Rel-7 and earlier networks. The Evolved Packet System shall support service continuity within 3GPP access systems and also between 3GPP access systems and non 3GPP access systems. Support of service continuity within 3GPP access systems and also between 3GPP access systems and 3GPP2 access systems shall not require the UE to support simultaneous radio transmission. The Evolved Packet System shall be able to accommodate fixed access systems and to inter-work with fixed networks in order to provide service continuity over fixed/mobile converged networks. The Evolved Packet System service capability set shall include, as a minimum, support for the following categories of services that are likely to be used by the majority of operators: - Voice - Video - Messaging - Data file exchange The Evolved Packet System shall provide for efficient usage of system resources, especially of radio resources through both signalling and transport optimization, e.g. overhead, terminal power, radio resources, mobility state, signalling load. The Evolved Packet System shall support efficient delivery of text-based broadcast messages received from a legacy CBC. The Evolved Packet System shall support E-UTRAN only operators. The system shall allow these operators to offer national roaming to their subscribers. ETSI 3GPP TS 22.278 version 8.10.0 Release 8 9 ETSI TS 122 278 V8.10.0 (2010-01) 6 Basic capabilities 6.1 Support of IP traffic 6.1.1 Support of increased IP traffic demand The Evolved Packet System shall be able to provide guaranteed QoS for services and use the resources of the Evolved Packet System with high efficiency i.e. ensure that quality conditions for a particular communication are fulfilled without deterioration between the communicating end-points. 6.1.2 Ability to effectively handle a variety of different types of IP traffic The Evolved Packet System shall support both IPv4 and IPv6 connectivity. IPv4 only, IPv6 only and dual mode (IPv4/IPv6) terminals should be supported. Interworking between terminals, servers and access systems supporting different versions of IP shall be possible. Mobility between access systems supporting different IP versions shall be supported with minimal network/terminal impacts. The operator shall be able to control whether or not an IPv4 only terminal is allowed access to the network. Service continuity of subscriber IP sessions shall be supported during in UE handovers from one IP access network to another IP access network, regardless of whether the new IP access network supports the same version of IP as the old IP access network. The Evolved Packet System shall be able to handle user-to-server traffic, user-to-user traffic and user-to-group traffic. The Evolved Packet System shall be able to handle different types of IP traffic, such as real-time (e.g. VoIP), non-real time traffic (e.g. Web browsing), and mission critical traffic (e.g. M-Commerce). Omnipresent Services Status Report Traffic Service Traffic - Evolved Packet Syste m High frequency trickle traffic Traffic sign PC Sensor Sensor Tele -m etering Large number of terminals or appliances (e.g. sensors & tags) Figure 1: Traffic models of omnipresent services 6.1.3 IP address support The Evolved Packet System shall have the ability to support both private and public IPv4 and IPv6 addresses. User device IP addresses should normally be allocated dynamically by the network operator and managed without user intervention. For business critical applications, and for firewall configuration simplification purposes, it shall be possible for a user to be allocated a static IP address; the static address shall be assigned by the network operator. Details of an assigned static IP address shall be maintained with the subscriber"s records in the HLR/HSS. ETSI