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TR 23.740SA2
Study on enhancement of
Network Slicing

use "3GPP‑Page" to get the Word version
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V16.0.0 (Wzip)  2018/12  70 p.

Rapporteur:  Miss So, Tricci

The scope of this Technical Report is:
  • Identify, prioritize and study the practical non-roaming and roaming deployment scenarios and system impacts when the 5GS is not able to support all possible combination of S-NSSAIs for the UE, and the aspects of mutually exclusive access to Network Slices.
  • Study the possible enhancement for the Network Slicing interworking with EPC for Connected and Idle modes.
  • Study how to provide Network Slice Access authentication and authorization specific for the Network Slice Access authorization that uses User Identities and Credentials different from the 3GPP SUPI and that takes place after the primary authentication which is still required between the UE and the 5GS for PLMN access authorization and authentication.

full Table of Contents for  TR 23.740  Word version:   16.0.0

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1  ScopeWord-p. 7
2  References
3  Definitions and abbreviations
4  Architectural Assumptions and Requirements
5  Key Issues
6  SolutionsWord-p. 10
6.1  Solutions for KI#1
6.1.1  Solution #1.1: Mutually Exclusive Access to Network Slices via the use of URSP
6.1.2  Solution #1.2: Mutually Exclusive Access to Network Slices via UE configuration
6.1.3  Solution #1.3: Solution to Key issue#1: Mutual exclusion awareness in UE.
6.1.4  Solution#1.4: Slicing Group Support for Mutually Exclusive Access to Network SlicesWord-p. 19
6.1.5  Solution #1.5: Mutually Exclusive Access to Network Slices using existing mechanisms
6.1.6  Solution #1.6: Enabling access control to network slices that cannot be access simultaneouslyUp
6.1.7  Solution #1.7: Solutions for MEANS via Slicing Group Indication
6.1.8  Solution #1.8: Solution to Key issue#1: Access to new group of Network Slices.
6.2  Solutions for KI#2Up
6.2.1  Solution#2.1: Network slice instance selection in initial AMF
6.2.2  Solution #2.2: Slice-aware mobility from EPC to 5GC
6.2.3  Solution #2.3: Inter RAT mobility Slice support
6.2.4  Solution #2.4: Connected mode mobility from EPC to 5GC
6.2.5  Solution#2.5: Using the NF discovery to find the S-NSSAI.
6.3  Solutions for KI#3
7  EvaluationUp
8  ConclusionsWord-p. 67
A  Change historyWord-p. 70

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