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TR 28.801SA5
Study on Management and Orchestration
of Network Slicing for Next Generation Network

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V15.1.0 (Wzip)  2017/12  75 p.

Rapporteur:  Mr. Groenendijk, Jan

Network slicing is a key feature for the next generation network. It is about transforming the network/system from a static "one size fits all" paradigm, to a new paradigm where logical networks/partitions are created, with appropriate isolation, resources and optimized topology to serve a particular purpose or service category (e.g. use case/traffic category, or for internal reasons) or even individual customers (logical system created "on demand"). It can be enriched by use of NFV and SDN.
The network slicing concept consists of 3 layers:
  1. Service Instance Layer,
  2. Network Slice Instance Layer, and
  3. Resource layer where each layer requires management functions.
The present document investigates and makes recommendations on management and orchestration for network slicing on the Network Slice Instance Layer and for non-virtualised NE's also the Resource layer. Furthermore, the 3GPP role for Service Instance Layer has been investigated. The Resource layer for VNFs is excluded from this study.

full Table of Contents for  TR 28.801  Word version:   15.1.0


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1  ScopeWord-p. 10
2  References
3  Definitions and abbreviationsWord-p. 11
4  Concepts and BackgroundWord-p. 12
5  Use CasesWord-p. 20
5.1  Use cases related to Network Slice management
5.1.1  Network Slice Instance(s) lifecycle management  Create a Network Slice Instance  Create a Network Slice Instance with shared and non-shared CN network functions  Create Network Slice Instance with shared Network Slice Subnet Instances  Activate a Network Slice Instance  De-activate a Network Slice InstanceUp  Modify a Network Slice Instance with shared and non-shared CN network functions and a shared AN  Terminate a Network Slice Instance with shared and non-shared CN network functions and shared AN  Change capacity of a Network Slice InstanceWord-p. 24  Instantiate, configure and activate a Network Slice Instance in a network with virtualized NFs
5.1.2  Network Slice Instance(s) fault managementUp
5.1.3  Network Slice Instance(s) performance management
5.1.4  Network Slice Instance(s) configuration management
5.1.5  Network Slice Instance(s) policy managementWord-p. 29
5.1.6  Communication service support with network slice
5.1.7  Management data isolationWord-p. 31
5.1.8  Multiple operator coordination managementWord-p. 32
5.1.9  Management exposure
5.1.10  Automation of the network slice management
5.1.11  Other Network Slice Instance(s) management use cases
5.2  Use cases related to Network Slice Subnet(s) management
5.2.1  Network Slice Subnet Instance(s) lifecycle management
5.2.2  Network Slice Subnet Instance(s) fault managementUp
5.2.3  Network Slice Subnet Instance(s) performance management
5.2.5  Automation of Network Slice Subnet Instance(s) management use casesUp
5.2.6  Other Network Slice Subnet Instance(s) management use cases
6  Potential requirements
7  Potential solutions
7.1  Network slicing management functions
7.2  Multiple operator coordination managementWord-p. 49
7.3  Customer service support with network slice
7.4  Network Slice (Subnet) Instance(s) fault managementWord-p. 54
7.5  Network slicing related performance measurement data aggregationWord-p. 55
7.6  Network slicing related alarm data aggregationWord-p. 56
7.7  Supervising alarm related to a NSIWord-p. 57
7.8  Network Slice Instance performance managementUp
7.9  Network Slice (Subnet) Instance(s) lifecycle managementWord-p. 58
7.10  Configuring a Network Slice Instance
7.11  Association of TN parameters to Network Slice Instance
7.12  Management data exposure and isolation when NSI is shared by multiple customers
7.13  Limited level of management exposure for NSI
7.14  NSI related management data exposure to customerUp
7.15  Controlling of automated healing of Network Slice InstanceWord-p. 63
7.16  Controlling of automated optimization of Network Slice InstanceWord-p. 64
7.17  State managementWord-p. 65
8  Conclusions
9  RecommendationsWord-p. 67
A  Analysis of potential management related aspects for network slice based on the related content in other 3GPP specifications and SDOsWord-p. 68
B  Change historyWord-p. 75

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