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Content for  TR 24.801  Word version:  8.1.0

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1  ScopeWord‑p. 15
The present document discusses and describes the CT1 aspects of the 3GPP System Architecture Evolution (SAE) towards a higher-data-rate, lower-latency, packet-optimized system that supports multiple access technologies.
In particular, these CT1 aspects include the Non-Access-Stratum (NAS) functions to be performed by the User Equipment (UE) in idle mode, the NAS signalling procedures between the UE and the evolved packet core network (EPC) via the E-UTRAN, and the layer 3 signalling procedures between the UE and the EPC via non-3GPP access networks.
The present document also considers the requirements on the NAS between the UE and the core network which arise from specific services like MBMS and network functions like security, QoS, and mobility within the E-UTRAN or between the E-UTRAN and other 3GPP or non-3GPP access networks.
The present document is intended as a holding place for CT1 SAE material until it stabilises sufficiently to be moved to appropriate 3GPP technical specifications.
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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]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
TS 23.401: "GPRS enhancements for E-UTRAN access".
[3]
TS 23.203: "Policy and charging control architecture".
[4]
TS 24.008: "Mobile Radio Interface Layer 3 specification; Core Network Protocols; Stage 3".
[5]
TS 33.102: "3G security; Security architecture".
[6]
TS 24.229: "IP Multimedia Call Control Protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3".
[7]
TS 23.003: "Numbering, addressing and identification".
[8]
RFC 4306  (December 2005): "Internet Key Exchange (IKEv2) Protocol".
[9]
TS 33.234: "3G security; Wireless Local Area Network (WLAN) interworking security".
[10]
draft-ietf-netlmm-proxymip6-00.txt  (April 2007): "Proxy Mobile IPv6".
[11]
draft-ietf-mip6-nemo-v4traversal-05.txt  (July 2007): "Mobile IPv6 support for dual stack Hosts and Routers (DSMIPv6)".
[12]
TS 23.402: "Architecture Enhancements for non-3GPP accesses".
[13]
TR 29.803: "3GPP System Architecture Evolution: CT WG4 aspects (Stage3)".
→ to date, withdrawn by 3GPP
[14]
TS 24.234: "3GPP System to Wireless Local Area Network (WLAN) interworking; WLAN User Equipment (WLAN UE) to network protocols; Stage 3".
[15]
TS 36.300: "Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description".
[16]
TS 36.331: "Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC) protocol specification".
[17]
TS 36.413: "Evolved Universal Terrestrial Access Network (E-UTRAN); S1 Application Protocol (S1AP)".
[18]
RFC 4877  (April 2007): "Mobile IPv6 Operation with IKEv2 and the Revised IPsec Architecture".
[19]
Void.
[20]
draft-ietf-mip6-bootstrapping-split-07.txt  (June 2007): "Mobile IPv6 bootstrapping in split scenario".
[21]
RFC 2782  (February 2000): "A DNS RR for specifying the location of services (DNS SRV)".
[22]
TS 23.122: "Non-Access-Stratum functions related to Mobile Station (MS) in idle mode".
[23]
draft-ietf-mip4-rfc3344bis-05.txt  (July 2007): "IP Mobility Support for IPv4, revised".
[24]
RFC 2794  (January 2000): "Mobile IP Network Access Identifier Extension for IPv4".
[25]
RFC 3775  (June 2004): "Mobility Support in IPv6".
[26]
RFC 3748  (June 2004): "Extensible Authentication Protocol (EAP)".
[27]
RFC 4301  (December 2005): "Security Architecture for the Internet Protocol".
[28]
RFC 4555  (June 2006): "IKEv2 Mobility and Multihoming Protocol (MOBIKE)".
[29]
TS 36.304: "Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) procedures in idle mode".
[30]
RFC 4862  (September 2007): "IPv6 Stateless Address Autoconfiguration".
[31]
RFC 3736  (April 2004): "Stateless Dynamic Host Configuration Protocol (DHCP) Service for IPv6".
[32]
TR 29.804: "3GPP Evolved Packet System: CT WG3 Aspects (Stage3)".
[33]
RFC 4861  (September 2007): "IPv6 Neighbor Discovery for IP version 6 (IPv6)".
[34]
RFC 2131  (March 1997): "Dynamic Host Configuration Protocol".
[35]
RFC 4039  (March 2005): "Rapid Commit Option for the Dynamic Host Configuration Protocol version 4 (DHCPv4)".
[36]
TS 24.007: "Mobile radio interface signalling layer 3; General aspects".
[37]
TS 24.305: " Selective Disabling of 3GPP User Equipment Capabilities (SDoUE) Management Object (MO)".
[38]
TS 27.007: "AT command set for User Equipment (UE)".
[39]
RFC 3633  (December 2003): "IPv6 Prefix Options for Dynamic Host Configuration Protocol (DHCP) version 6".
[40]
TS 33.401: "3GPP System Architecture Evolution; Security architecture".
[41]
RFC 5026  (October 2007): "Mobile IPv6 bootstrapping in split scenario".
[42]
RFC 4303  (December 2005): "IP Encapsulating Security Payload (ESP)".
[43]
draft-ietf-mip6-hiopt-10.txt  (January 2008): "DHCP Option for Home Information Discovery in MIPv6".
[44]
TS 24.301: "Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS); Stage 3".
[45]
TS 24.302: "Access to the 3GPP Evolved Packet Core (EPC) via non-3GPP access networks; Stage 3".
[46]
TS 24.303: "Mobility Management based on DSMIPv6; User Equipment (UE) to network protocols; Stage 3".
[47]
TS 22.011: "Service accessibility".
[48]
TS 24.304: "Mobility management based on Mobile IPv4; User Equipment (UE) - Foreign Agent interface; Stage 3".
[49]
TS 23.272: "Circuit Switched Fallback in Evolved Packet System; Stage 2".
[50]
TS 29.018: "Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR) Gs interface layer 3 specification".
[51]
TS 23.216: " Single Radio Voice Call Continuity (SRVCC); Stage 2".
[52]
OMA-ERELD-DM-V1_2: "Enabler Release Definition for OMA Device Management".
[53]
OMA-TS-DM_Protocol-V1_2: "OMA Device Management Protocol, Version 1.2".
[54]
OMA-TS-DM_Notification-V1_2: "OMA Device Management Notification Initiated Session, Version 1.2".
[55]
OMA-TS-DM_Security-V1_2: "OMA Device Management Security, Version 1.2".
[56]
OMA-TS-DM-FUMO-V1_0: "Firmware Update Management Object, Version 1.0".
[57]
TS 24.167: "3GPP IMS Management Object (MO)".
[58]
TS 24.216: "Communication Continuity Management Object (MO)".
[59]
TS 26.114: "IP Multimedia Subsystem (IMS); Multimedia Telephony; Media handling and interaction".
[60]
IEEE P802.21/D12.0 (June 2008): "Draft IEEE Standard for Local and Metropolitan Area Networks: Media Independent Handover Services", IEEE LAN/MAN Standards committee of IEEE Computer Society.
[61]
draft-ietf-mipshop-mstp-solution-04.txt  (May 2008): "Mobility Services Framework Design".
[62]
RFC 4346  (April 2006): "The Transport Layer Security (TLS) Protocol (Version 1.1)".
[63]
RFC 4366  (April 2006): "Transport Layer Security (TLS) Extensions".
[64]
RFC 4282  (December 2005): "The Network Access Identifier".
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3  Definitions and abbreviationsWord‑p. 18

3.1  Definitions

For the purposes of the present document, the terms and definitions given in TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.
Aggregate Maximum Bit Rate:
The maximum bit rate that limits the aggregate bit rate of a set of non-GBR bearers of a UE. Definition derived from TS 23.401.
The label (E-UTRAN only): indicates this subclause or paragraph applies only if E-UTRAN is used as current radio access network.
EMM context:
An EMM context is established in the UE and the MME when an attach procedure is successfully completed.
EMM-CONNECTED mode:
A UE is in EMM-CONNECTED mode when a NAS signalling connection between UE and network is established. The term EMM-CONNECTED mode used in the present document corresponds to the term ECM-CONNECTED state used in TS 23.401.
EMM-IDLE mode:
A UE is in EMM-IDLE mode when no NAS signalling connection between UE and network exists. The term EMM-IDLE mode used in the present document corresponds to the term ECM-IDLE state used in TS 23.401.
Evolved packet core network:
the successor to the 3GPP Release 7 packet-switched core network, developped by 3GPP within the framework of the 3GPP System Architecture Evolution (SAE).
Evolved packet system:
The evolved packet system (EPS) or evolved 3GPP packet-switched domain consists of the evolved packet core network and the evolved universal terrestrial radio access network. Definition derived from TS 23.401.
Dedicated bearer:
An EPS bearer that is associated with uplink packet filters in the UE and downlink packet filters in the PDN GW where the filters only match certain packets. Definition derived from TS 23.401.
Default bearer:
An EPS bearer that is used associated with "match all" uplink and downlink packet filters in the UE and the PDN GW, respectively. Definition derived from TS 23.401.
GBR bearer:
An EPS bearer that uses dedicated network resources related to a Guaranteed Bit Rate (GBR) value, which are permanently allocated at EPS bearer establishment/modification. Definition derived from TS 23.401.
Initial NAS message:
A NAS message is considered as an initial NAS message, if this NAS message can trigger the establishment of a NAS signalling connection. For instance, the ATTACH REQUEST message is an initial NAS message.
Label:
A label is a scalar that is used as a reference to node-specific parameters that control bearer level packet forwarding treatment that have been pre-configured by the operator owning the node. Definition derived from TS 23.401.
Last Visited Registered TAI:
A TAI which is contained in the TAI list that the UE registered to the network and which identifies the tracking area last visited by the UE.
Linked Bearer Identity:
This identity indicates to which default bearer the additional bearer resource is linked.
MME area:
An area containing tracking areas served by an MME.
NAS signalling connection:
is a peer to peer S1 mode connection between UE and MME. A NAS signalling connection consists of the concatenation of an RRC connection via the "LTE-Uu" interface and an S1AP connection via the S1 interface. The UE considers the NAS signalling connection established when the RRC connection has been established successfully. The UE considers the NAS signalling connection released when the RRC connection has been released.
Non-access stratum protocols:
The protocols between UE and MSC or SGSN that are not terminated in the UTRAN, and the protocols between UE and MME that are not terminated in the E-UTRAN. Definition derived from TS 21.905.
Non-GBR bearer:
An EPS bearer that uses network resources that are not related to a Guaranteed Bit Rate (GBR) value. Definition derived from TS 23.401.
PDN address:
an IP address assigned to the UE by the Packet Data Network Gateway (PDN GW).
Procedure Transaction Identity:
An identity which is dynamically allocated by the UE for the UE requested bearer resource activation, modification and deactivation procedures. The procedure transaction identity is released when the procedure is completed.
The label (S1 mode only):
indicates this subclause or paragraph applies only to a system which operates in S1 mode, i.e. with a functional division that is in accordance with the use of an S1 interface between the radio access network and the core network. In a multi-access system this case is determined by the current serving radio access network.
TAI list:
A list of TAIs that identify the tracking areas that the UE can enter without performing a tracking area update procedure.
For the purposes of the present document, the following terms and definitions given in TS 23.401 apply:
MME pool area
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3.2  AbbreviationsWord‑p. 19
For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
AMBR
Aggregate Maximum Bit Rate
ARP
Allocation Retention Priority
E-UTRA
Evolved Universal Terrestrial Radio Access
E-UTRAN
Evolved Universal Terrestrial Radio Access Network
ECM
EPS Connection Management
EMM
EPS Mobility Management
EPC
Evolved Packet Core Network
ePDG
Evolved Packet Data Gateway
EPS
Evolved Packet System
ESM
EPS Session Management
FA
Foreign Agent
GBR
Guaranteed Bit Rate
GUMMEI
Globally Unique MME Identifier
GUTI
Globally Unique Temporary Identifier
HRPD
High Rate Packet Data
ISR
Idle mode Signalling Reduction
LBI
Linked Bearer Identity
M-TMSI
M-Temporary Mobile Subscriber Identity
MBR
Maximum Bit Rate
MME
Mobility Management Entity
MMEC
MME Code
OC
Overflow Counter
PDN GW
Packet Data Network Gateway
PTI
Procedure Transaction Identity
RRQ
Registration Request
RRP
Registration Reply
S-TMSI
S-Temporary Mobile Subscriber Identity
S1AP
S1 Application Protocol
SAE
System Architecture Evolution
SDF
Service Data Flow
SMC
Security Mode Command
SN
Sequence Number
TAC
Tracking Area Code
TAI
Tracking Area Identity
TFT
Traffic Flow Template
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