ETSI TS 183 019-2008 Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN) Network Attachment User-Network Interface Protocol Definition.pdf

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1、 ETSI TS 183 019 V2.3.0 (2008-02)Technical Specification Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN);Network Attachment;User-Network Interface Protocol DefinitionsETSI ETSI TS 183 019 V2.3.0 (2008-02) 2 Reference RTS/TISPAN-03125-NGN-R2 Keywords

2、access, interface, network, xDSL 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 but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice Individual cop

3、ies 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

4、(PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current stat

5、us of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: http:/portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No part may be reproduced excep

6、t as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2008. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTM, TIPHONTM, the TIPHON logo and the ETSI logo are Trade Marks of ETSI register

7、ed for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. ETSI ETSI TS 183 019 V2.3.0 (2008-02) 3 Contents Intellectual Property Rights4 Foreword.4 1 Scope 5 2 References 5 2.1 Normative references .5 3 Defini

8、tions and abbreviations.7 3.1 Definitions7 3.2 Abbreviations .7 4 NGN general architecture.8 4.1 Overview of interface e1 9 4.1.1 Authentication.9 4.1.2 IP address and network configuration.9 5 PPP-based access network configuration .10 5.1 Authentication phase 10 5.1.1 PPP link establishment phase

9、(LCP) with authentication (PAP/CHAP/EAP)10 5.2 Network Configuration Phase (NCP).10 5.2.1 PPP Network Configuration Phase for IP Networks (NCP/IPCP)10 5.2.1.1 PPP and ARF 10 5.2.1.2 PPP and AMF11 6 Ethernet-based access network configuration 11 6.1 Authentication phase 11 6.1.1 EAP over Ethernet (80

10、2.1X).11 6.1.1.1 General11 6.1.1.2 802.1X and ARF .14 6.1.1.3 802.1X and AMF 14 6.1.2 802.1X-based xDSL/FTTx (wireline) access network14 6.1.3 802.1X-based WLAN access network functional architecture .15 6.2 Network configuration phase .16 6.2.1 DHCP procedures .16 7 DHCP Support for Interface e116

11、7.1 Access Network based on IPv4 16 7.1.1 DHCP support by the UE16 7.1.2 DHCP support by the ARF .17 7.1.3 DHCP support by the NACF 18 7.2 Access network based on IPv6.19 8 Applicability to WLAN access networks.20 8.1 Requirements of the WLAN access network20 8.2 Requirements of the chosen EAP metho

12、d 21 Annex A (informative): Requirements of the WLAN station.22 A.1 Requirements of the WLAN station.22 Annex B (informative): Bibliography.23 History 24 ETSI ETSI TS 183 019 V2.3.0 (2008-02) 4 Intellectual Property Rights IPRs essential or potentially essential to the present document may have been

13、 declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“,

14、which is available from the ETSI Secretariat. 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

15、 not referenced in 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 Technical Committee Telecommunications and Internet converged Services and Protocols for

16、Advanced Networking (TISPAN). ETSI ETSI TS 183 019 V2.3.0 (2008-02) 5 1 Scope The present document describes the protocol specifications and profiles for supporting network attachment procedures at the interface between the User Equipment and the access network in an NGN network. 2 References Refere

17、nces are either specific (identified by date of publication and/or edition number or version number) or non-specific. For a specific reference, subsequent revisions do not apply. Non-specific reference may be made only to a complete document or a part thereof and only in the following cases: - if it

18、 is accepted that it will be possible to use all future changes of the referenced document for the purposes of the referring document; - for informative references. Referenced documents which are not found to be publicly available in the expected location might be found at http:/docbox.etsi.org/Refe

19、rence. For online referenced documents, information sufficient to identify and locate the source shall be provided. Preferably, the primary source of the referenced document should be cited, in order to ensure traceability. Furthermore, the reference should, as far as possible, remain valid for the

20、expected life of the document. The reference shall include the method of access to the referenced document and the full network address, with the same punctuation and use of upper case and lower case letters. NOTE: While any hyperlinks included in this clause were valid at the time of publication ET

21、SI cannot guarantee their long term validity. 2.1 Normative references The following referenced documents are indispensable for the application of the present document. For dated references, only the edition cited applies. For non-specific references, the latest edition of the referenced document (i

22、ncluding any amendments) applies. 1 ETSI ES 282 001: “ Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); NGN Functional Architecture Release 1“. 2 ETSI TS 124 234: “Universal Mobile Telecommunications System (UMTS); 3GPP system to Wireless Local Area

23、Network (WLAN) interworking; User Equipment (UE) to network protocols; Stage 3 (3GPP TS 24.234 Release 6)“. 3 Wi-Fi Alliance: “WPA Deployment Guidelines for Public Access Wi-Fi Networks“. NOTE: See: http:/www.wi-fi.org/files/wp_6_WPA%20Deployment%20for%20Public%20Access_10-28-04.pdf 4 IETF RFC 4284:

24、 “Identity selection hints for Extensible Authentication Protocol (EAP)“. 5 IETF RFC 3748: “Extensible Authentication Protocol (EAP)“. 6 IETF RFC 4282: “The Network Access Identifier“. 7 IEEE 802.1X-2004: “Port Based Network Access Control“. 8 IETF RFC 2865: “Remote Authentication Dial In User Servi

25、ce (RADIUS)“. 9 DSL Forum TR69. ETSI ETSI TS 183 019 V2.3.0 (2008-02) 6 10 IETF RFC 2131: “Dynamic Host Configuration Protocol“. 11 IETF RFC 2132: “DHCP Options and BOOTP Vendor Extensions“. 12 IETF RFC 3004: “The User Class Option for DHCP“. 13 IETF RFC 3825: “Dynamic Host Configuration Protocol Op

26、tion for Coordinate-based Location Configuration Information“. 14 IETF RFC 3046: “DHCP Relay Agent Information Option“. 15 IETF RFC 3993: “Subscriber-ID Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent Option“. 16 IETF RFC 3361: “Dynamic Host Configuration Protocol (DHCP-for-

27、IPv4) Option for Session Initiation Protocol (SIP) Servers“. 17 IETF RFC 3315: “Dynamic Host Configuration Protocol for IPv6 (DHCPv6)“. 18 IETF RFC 3319: “Dynamic Host Configuration Protocol (DHCPv6) Options for Session Initiation Protocol (SIP) Servers“. 19 IETF RFC 3646: “DNS Configuration options

28、 for Dynamic Host Configuration Protocol for IPv6 (DHCPv6)“. 20 IETF RFC 4669: “DHCPv6 Relay Agent Remote ID Option“. 21 IETF RFC 4580: “DHCPv6 Relay Agent Subscriber-ID Option“. 22 IETF RFC 2516: “A method for transmitting PPP over Ethernet (PPPoE)“. 23 Void. 24 IETF RFC 3580: “IEEE 802.1X Remote A

29、uthentication Dial In User Service (RADIUS Usage Guidelines“. 25 ETSI ES 282 004: “Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); NGN Functional Architecture; Network Attachment Sub-System (NASS)“. 26 IETF RFC 4776: “Dynamic Host Configuration Prot

30、ocol (DHCPv4 and DHCPv6) Option for Civic Addresses Configuration Information“. 27 IETF RFC 3925: “Vendor-Identifying Vendor Options for Dynamic Host Configuration Protocol version 4 (DHCPv4)“. 28 IETF RFC 3588 : “Diameter Base Protocol“. 29 IETF RFC 4072 : “Diameter Extensible Authentication Protoc

31、ol (EAP) Application“. 30 IETF RFC 3579 : “RADIUS (Remote Authentication Dial In User Service) Support For Extensible Authentication Protocol (EAP)“. ETSI ETSI TS 183 019 V2.3.0 (2008-02) 7 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the following terms

32、and definitions apply: Access Network (AN): collection of network entities and interfaces that provide the IP transport connectivity between end user devices and NGN entities Core Network (CN): portion of the delivery system composed of networks, systems equipment and infrastructures, connecting the

33、 service providers to the access network Functional Entity (FE): entity that comprises a specific set of functions at a given location NOTE: Functional entities are logical concepts, grouping of functional entities are used to describe practical physical realizations. home NGN network: NGN network t

34、hrough which the User Equipment gains network connectivity NOTE: The NGN network includes both the Access Network and the Core Network. The User Equipment has a service relationship with the business entity that operates this network. User Equipment (UE): one or more devices allowing a user to acces

35、s services delivered by TISPAN NGN networks NOTE: This includes devices under user control commonly referred to as CPE, IAD, ATA, RGW, TE, etc., but not network controlled entities such as access gateways. visited NGN network: NGN network through which the User Equipment gains network connectivity N

36、OTE: The NGN Network includes both the Access Network and the Core Network. The User Equipment does not have a service relationship with the business entity that operates this network. 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: 3GPP Third Generatio

37、n Project Partnership AAA Authentication, Authorization and Accounting AC Access Controller AMF Access Management Function AN Access Network AP Access Point ARF Access Relay Function ATA Analog Terminal Adaptor CHADDR Client Hardware ADDRess CLF Connectivity session Location and repository Function

38、CNG Customer Network Gateway CNGCF CNG Configuration Function DHCP Dynamic Host Configuration Protocol DSLAM Digital Subscriber Line Access Multiplexer EAP Extensible Authentication ProtocolEAPOL EAP Over LAN FTTx Fibre To The (x = Cab Cabinet, x = C Curb, x = B Building, x = H Home) GPON Gigabit Pa

39、ssive Optical Network GSMA Global System for Mobile communications Association IAD Integrated Access Device IANA Internet Assigned Numbers Authority IETF Internet Engineering Task Force IP Internet Protocol LAN Local Area NetworkETSI ETSI TS 183 019 V2.3.0 (2008-02) 8 MAC Media Access Control MSAN M

40、ulti services Access Node NACF Network Access Configuration Function NAI Network Access Identifier NASS Network Attachment SubSystem NGN Next Generation Network OLT Optical Line Termination PADIP PPPoE Active Discovery Initiation PADO PPPoE Active Discovery Offer PADR PPPoE Active Discovery Request

41、PADS PPPoE Active Discovery Session-confirmation PADT PPPoE Active Discovery Terminate PDBF Profile Data Base Function PEAP Protected EAP PPP Point to Point Protocol PPPoE PPP over Ethernet RADIUS Remote Authentication Dial In User Service RGW Residential GateWay SIM Subscriber Identity Module TE Te

42、rminal Equipment TLS Transport Layer Security TTLS Tunnelled Transport Layer Security UAAF User Access Authorization Function UAM Universal Access Method UE User Equipment WLAN Wireless Local Area Network xDSL Digital Subscriber Line 4 NGN general architecture ES 282 001 1 provides a description of

43、the general network architecture of the NGN. The model is depicted in figure 1. UE Visited NGN network Home NGN network e1 e5 Figure 1: General NGN network model Interface e1 is a user-network interface supporting attachment of user equipment to a network. The present document provides a description

44、 of the procedures applicable to this interface that is essentially independent from the layer 1 access technology being used. Interface e5 is a roaming interface, and is independent of the access technology. Interface e5 is used to provide a consistent method for the visited NGN network to communic

45、ate with the home NGN network. Figure 2 depicts the functional composition of the access network and the NGN core for the roaming scenario, where a UE obtains network access via a visited NGN network and authenticates back with the home NGN network. Details of this model may be found in TS 124 234 2

46、. ETSI ETSI TS 183 019 V2.3.0 (2008-02) 9 Home NGN Access Network UAAF Visited NGN Access Network PDBF CPE (CNG/TE) e5 ARF a4 Service control subsystems a3 a1 a2 e1 e2 e4 e3 Resource and Admission Control Subsystem CLF NACF CNGCF AMF UAAF ccess Networted NGUE Visited NGN network Home NGN network Acc

47、ess Transport network e1 Figure 2: NASS mapped onto functional network roles - roaming scenario 4.1 Overview of interface e1 The present document details the protocols and profiles for e1 - the interface for authentication, authorization and IP address allocation. This interface enables the UE to in

48、itiate authentication and authorization requests, as well as initiate requests for IP address allocation, DNS allocation, and other network configuration parameters in order to access the network. These requests are received by the AMF (Access Management Function). It is assumed that the IP edge in

49、the transport plane includes an ARF (Access Relay Function), which communicates with the UAAF (User Access Authorization Function) and NACF (Network Access Configuration Function) via the AMF. This interface enables the user equipment to provide user credentials (username/password, token, certificates, etc.) to the Network Attachment Subsystem (NASS) 25 in order to perform network access authentication and authorization. This interface may also enable the NASS to provide authentication parameter to the UE