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ETSI - GS NFV-INF 010

Network Functions Virtualisation (NFV); Service Quality Metrics

active, Most Current
Organization: ETSI
Publication Date: 1 December 2014
Status: active
Page Count: 27
scope:

The present document enumerates metrics for NFV infrastructure, management and orchestration service qualities that can impact the end user service qualities delivered by VNF instances hosted on NFV infrastructure. These service quality metrics cover both direct service impairments, such as IP packets lost by NFV virtual networking which impacts end user service latency or quality of experience, and indirect service quality risks, such as NFV management and orchestration failing to continuously and rigorously enforce all anti-affinity rules which increases the risk of an infrastructure failure causing unacceptable VNF user service impact. Performance relationships exist between the metrics described in this document and in other specifications such as [i.5].

The present document does not consider:

1) Units of measurement for reporting, such as whether VM premature release rates should be expressed as hourly rate (e.g. 0,0001 premature VM release events per hour), annualized rate (e.g. 0,88 premature VM release events per year), hours between events (e.g. 10 000 hour mean time between premature release events), or events per other unit of time (e.g. 100 000 FITs, meaning 100 000 premature release events in one billion hours of operation).

2) Methods of Measurement which stipulate exactly how metrics will be measured.

3) Rigorous counting and exclusion rules, like the precise details given in the TL 9000 Measurements Handbook [i.13]. 4) Metrics that do not directly or indirectly impact VNF user service quality, like power efficiency.

Document History

GS NFV-INF 010
December 1, 2014
Network Functions Virtualisation (NFV); Service Quality Metrics
The present document enumerates metrics for NFV infrastructure, management and orchestration service qualities that can impact the end user service qualities delivered by VNF instances hosted on NFV...

References

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