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TS 28.520SA5
Performance Management (PM)
for Mobile Networks that include
Virtualized Network Functions –

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V15.0.0 (PDF)  2018/06  19 p.
V14.0.0  2017/06  19 p.

Rapporteur:  Mr. Chou, Joey

The present document specifies the requirements applicable to Performance Management (PM) of mobile networks that include virtualized network functions which can be part of EPC or IMS.
The evaluation of PLMN-system behaviour will require performance data collected and recorded by VNF(s) according to a schedule established by the EM. However, not all of these measurements will be required all the time, or from every VNF. Therefore, it is necessary to administer the measurements so as to determine which measurement types, on which measured resources, at which times, are to be executed (see TS 32.401).
The essence of NFV is to migrate the execution of network functions from vertically integrated hardware to the industry standard COTS (commercial of-the-shelf) servers in the data centre. Performance measurements that are independent of the migration (e.g. handover, tracking area update related measurements) are not impacted. Therefore, these performance measurements can be reused.
Other performance measurement that are to measure the hardware usages (e.g. MME Processor usage [TS 32.426]) are impacted by the Virtualized Resource (VR) performance measurements.

full Table of Contents for  TS 28.520  Word version:   15.0.0

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1  ScopeWord-p. 5
2  References
3  Definitions and abbreviationsWord-p. 6
4  Concepts and background
5  Business level requirementsWord-p. 7
6  Specification level requirements
6.1  IntroductionUp
6.2  Requirements
6.3  Actor roles
6.4  Telecommunications resources
6.5  Use cases
A  Change historyWord-p. 17

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