Access, Terminals, Transmission and Multiplexing (ATTM); Energy management; Global KPIs; Operational infrastructures; Part 2: Specific requirements; Sub-part 1: Data centres

RES/ATTM-0238

Dostop, priključki, prenos in multipleksiranje (ATTM) - Gospodarjenje z energijo - Globalni ključni kazalniki uspešnosti (KPI) - Operativne infrastrukture - 2. del: Posebne zahteve - 1. poddel: Podatkovni centri

General Information

Status
Published
Publication Date
13-Mar-2014
Current Stage
12 - Completion
Due Date
25-Mar-2014
Completion Date
14-Mar-2014
Mandate

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ETSI ES 205 200-2-1 V1.2.0 (2014-01) - Access, Terminals, Transmission and Multiplexing (ATTM); Energy management; Global KPIs; Operational infrastructures; Part 2: Specific requirements; Sub-part 1: Data centres
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Final draft ETSI ES 205 200-2-1 V1.2.0 (2014-01)






ETSI Standard
Access, Terminals, Transmission and Multiplexing (ATTM);
Energy management;
Global KPIs;
Operational infrastructures;
Part 2: Specific requirements;
Sub-part 1: Data centres

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2 Final draft ETSI ES 205 200-2-1 V1.2.0 (2014-01)



Reference
RES/ATTM-0238
Keywords
performance, power
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3 Final draft ETSI ES 205 200-2-1 V1.2.0 (2014-01)
Contents
Intellectual Property Rights . 5
Foreword . 5
Introduction . 5
1 Scope . 7
2 References . 7
2.1 Normative references . 7
2.2 Informative references . 8
3 Definitions, symbols and abbreviations . 8
3.1 Definitions . 8
3.2 Symbols . 9
3.3 Abbreviations . 10
4 System definition and boundaries . 10
5 Mapping to the objectives of ES 205 200-1 . 12
5.1 Energy consumption . 12
5.2 Task efficiency . 12
5.3 Energy re-use . 12
5.4 Renewable energy . 13
6 Global operational KPIs . 13
6.1 Scale . 13
6.2 Evolution . 13
6.3 Formulae. 14
6.3.1 KPI . 14
EM
6.3.1.1 Formula . 14
6.3.1.2 Definitions of terms. 14
6.3.1.3 Measurement procedures . 15
6.3.1.4 Criteria . 15
6.3.2 KPI . 15
EC
6.3.2.1 Formula . 15
6.3.2.2 Definitions of terms. 16
6.3.2.3 Energy sources . 16
6.3.2.4 Measurement points . 16
6.3.2.4.1 General . 16
6.3.2.4.2 Dedicated energy sources . 16
6.3.2.4.3 Shared supply systems . 17
6.3.2.5 Measurement procedures . 17
6.3.2.6 Criteria . 18
6.3.3 KPI . 18
TE
6.3.3.1 Formula . 18
6.3.3.2 Definitions of terms. 18
6.3.3.3 Measurement points . 18
6.3.3.4 Measurement procedures . 19
6.3.3.5 Criteria . 19
6.3.4 KPI . 19
REUSE
6.3.4.1 Formula . 19
6.3.4.2 Definitions of terms. 20
6.3.4.3 Measurement points . 20
6.3.4.4 Measurement procedures . 20
6.3.4.5 Criteria . 20
6.3.5 KPI . 21
REN
6.3.5.1 Formula . 21
6.3.5.2 Definitions of terms. 21
6.3.5.3 Measurement points . 21
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4 Final draft ETSI ES 205 200-2-1 V1.2.0 (2014-01)
6.3.5.4 Measurement procedures . 21
6.3.5.5 Criteria . 21
6.4 Weighting factors . 21
6.4.1 Energy re-use . 21
6.4.1.1 W . 21
REUSE
6.4.1.2 W . 22
L
6.4.2 Renewable energy (W ) . 22
REN
Annex A (informative): Concepts: Energy management, sustainability and Key Performance
Indicators . 23
A.1 Energy management and sustainability concepts . 23
A.2 The status of Key Performance Indicators (KPIs) . 24
A.2.1 Technical KPIs . 24
A.2.2 Objective KPIs . 24
A.2.3 Global KPIs . 25
A.2.4 Summary . 25
History . 26

ETSI

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5 Final draft ETSI ES 205 200-2-1 V1.2.0 (2014-01)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://ipr.etsi.org).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This final draft ETSI Standard (ES) has been produced by ETSI Technical Committee Access, Terminals, Transmission
and Multiplexing (ATTM), and is now submitted for the ETSI standards Membership Approval Procedure.
The present document is part 2, sub-part 1 of a multi-part deliverable covering operational energy management and
sustainability of broadband deployment, as identified below:
Part 1: "General requirements ";
Part 2: "Specific requirements":
Sub-part 1: Data centres;
Sub-part 2: Fixed (excluding cable) access networks;
Sub-part 3: Mobile access networks;
Sub-part 4: Cable Access Networks;
Part 3: "Monitoring of sustainability".
NOTE 1: Additional documents are in development by ETSI Technical Committee Access, Terminals,
Transmission and Multiplexing (ATTM) which include:
- 205 200-1-1: Energy management: Global KPIs: Operational infrastructures: Guidance (see NWIP
DES/ATTM-02025)
- 205 200-2-2: Fixed (other than cable) access networks (see NWIP DES/ATTM-02026)
- 205 200-3: Monitoring of other environmental viability aspects of sustainability (see NWIP
DES/ATTM-02027)
NOTE 2: A further document is under consideration ETSI Technical Committee CABLE to address "cable access
networks".
Introduction
Energy costs continue to rise, a trend that will continue in the future, while broadband penetration is introducing new
active equipment to the network architecture. In this context, and to reflect other environmental aspects of
sustainability, it is vital that the main telecommunication actors implement effective general engineering of fixed and
mobile broadband networks and sites provisioning, managing or using those networks (i.e. operator sites, operator data
centres and customer data centres) in order to respond to critical issues of energy consumption while proposing essential
solutions to true broadband deployment.
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6 Final draft ETSI ES 205 200-2-1 V1.2.0 (2014-01)
These issues are of particular importance in data centres - both of operators and customers. To guide this process, it is
essential that metrics are defined, termed Global Key Performance Indicators (KPI ) that enable energy usage to be
EM
managed more efficiently.
This multi-part deliverable comprises:
• ES 205 200-1 [2]: a generic requirements document addressing Global KPIs for operational infrastructures;
NOTE: Global KPIs do not address design/operation of components or subsystems of broadband deployment
networks.
• a sub-series ES 205 200-2 [i.10] that defines the Global KPIs, and drives energy management targets, for
specific operational networks and sites and which describes how the Global KPIs are to be applied (which may
be used to support future regulatory objectives);
- ES 205 200-2-1: Data centres;
- ES 205 200-2-3: Mobile access networks.
These documents do not define KPI limits or targets (which is outside the scope of this multi-part deliverable).
These documents will accelerate:
• availability of operational infrastructure architectures and network implementations that use energy more
efficiently;
• the definition and attainment of sustainability objectives for operational broadband networks.
Within the present document:
• clause 4 explains the definition of a data centre in terms of the systems it comprises and the boundaries that
apply and shows that the present document is equally applicable to operator data centres, operator sites and
customers data centres;
• clause 5 describes how the Objective KPIs of the present document meet the requirements of
ES 205 200-1 [2];
• clause 6 describes the specific requirements of the Global KPI and the supporting Objective KPIs for data
centres;
• annex A discusses the roles of different types of Key Performance Indicators i.e. Technical, Objective and
Global in relation to the overall energy management concepts of the present document.
The comparative costs and environmental impacts of different energy sources are not addressed in the present
document.
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7 Final draft ETSI ES 205 200-2-1 V1.2.0 (2014-01)
1 Scope
The present document specifies Global Key Performance Indicators (KPI ) in relation to energy management for
EE
operator data centres (ODC), operator sites (OS) and customer data centres (CDC) and addresses the following
objectives:
• energy consumption;
• task efficiency;
• energy re-use;
• renewable energy.
The definition of the Globals KPIs (clause 6) are in accordance with requirements of ES 205 200-1 [2] (as described in
clause 5) in relation to:
• infrastructure scalability;
• infrastructure evolution;
• formulae and definitions of terms;
• measurement points and procedures.
The present document also provides information on system definition and boundaries (clause 4).
The comparative costs and environmental impacts of different energy sources are outside the scope of the present
document.
2 References
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
reference document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
2.1 Normative references
The following referenced documents are necessary for the application of the present document.
[1] CENELEC EN 50600-2-2: "Information technology - Data centre facilities and infrastructures -
Part 2-2: Power distribution".
[2] ETSI ES 205 200-1: "Access, Terminals, Transmission and Multiplexing (ATTM); Energy
management; Global KPIs; Operational infrastructures; Part 1: General requirements".
[3] CEN EN 1434 series: "Heat Meters".
ETSI

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8 Final draft ETSI ES 205 200-2-1 V1.2.0 (2014-01)
2.2 Informative references
The following referenced documents are not necessary for the application of the present document but they assist the
user with regard to a particular subject area.
[i.1] CENELEC EN 50600-1: "Information technology - Data centre facilities and infrastructures -
Part 1: General requirements".
[i.2] EC Mandate M/462; "Standardisation mandate addressed to CEN, CENELEC and ETSI in the
field of Information and Communication Technologies".
[i.3] ETSI TR 105 174-2-2: "Access, Terminals, Transmission and Multiplexing (ATTM); Broadband
Deployment and Energy Management; Part 2: Network sites; Sub-part 2: Data centres".
[i.4] European Commission DG JRC Code of Conduct for Data Centre Energy Efficiency.
[i.5] Recommendation ITU-T L.1300: "Series L: Construction, installation and protection of cables and
other elements of outside plant: Best practices for green data centers".
[i.6] European Commission DG JRC Code of Conduct on Energy Consumption of Broadband
Equipment.
[i.7] ISO Guide 82: "Guide for addressing sustainability in standards".
[i.8] ETSI TR 105 174-1: "Access, Terminals, Transmission and Multiplexing (ATTM); Broadband
Deployment and Energy Management; Part 1: Overview, common and generic aspects".
[i.9] ETSI ES 205 200 (all parts): "Access, Terminals, Transmission and Multiplexing (ATTM); Energy
management; Global KPIs; Operational infrastructures".
[i.10] ETSI ES 205 200-2 (all parts): "Access, Terminals, Transmission and Multiplexing (ATTM);
Energy management; Global KPIs; Operational infrastructures; Part 2: Specific requirements".
3 Definitions, symbols and abbreviations
3.1 Definitions
For the purposes of the present document, the following terms and definitions apply:
core infrastructure (core network): functional elements (that is equipment and infrastructure) that enable
communication between operator sites and/or operator data centres
NOTE: See TR 105 174-1 [i.8].
customer data centre: data centre that is not directly connected to the core network
data centre: structure, or group of structures, dedicated to the centralized accommodation, interconnection and
operation of information technology and network telecommunications equipment providing data storage, processing and
transport services together with all the facilities and infrastructures for power distribution and environmental control
together with the necessary levels of resilience and security required to provide the desired service availability
energy consumption: total consumption of electrical energy by an operational infrastructure
energy management: combination of reduced energy consumption and increased task efficiency, re-use of energy and
use of renewable energy
energy re-use: transfer or conversion of energy (typically in the form of heat) produced by the operational
infrastructure to do other work
fixed access network: functional elements that enable wired (including optical fibre) communications to customer
equipment
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9 Final draft ETSI ES 205 200-2-1 V1.2.0 (2014-01)
Information Technology Equipment (ITE): equipment providing data storage, processing and transport services for
subsequent distribution by network telecommunications equipment
ITE and/or NTE load: total requirement for power by a set of information technology equipment (ITE) and/or network
telecommunications equipment (NTE)
mobile access network: functional elements that enable wireless communications to customer equipment
Network Telecommunications Equipment (NTE): equipment dedicated to providing direct connection to core and/or
access networks
objective KPI: KPI assessing one of the objectives of operational energy performance which is subsequently used to
define a Global KPI for energy management (KPI )
EM
operational infrastructure: combination of information technology equipment (ITE) and/or network
telecommunications equipment (NTE) together with the power supply and environmental control systems necessary to
ensure provision of service
operator data centre: data centre embedded within the core network
operator site: premises accommodating network telecommunications equipment providing direct connection to the
core and access networks and which may also accommodate information technology equipment
primary distribution equipment: equipment which is required to manage, control and convert incoming power
supplies (primary, secondary and, where appropriate, additional) in a form suitable for distribution by secondary
distribution equipment
NOTE: See EN 50600-2-2 [1].
renewable energy: energy produced from dedicated generation systems using resources that are naturally replenished
secondary distribution equipment: equipment which is required to manage, control and distribute the power provided
by the primary distribution equipment to the short-break and unprotected sockets within the data centre and to the
tertiary distribution equipment
NOTE 1: See EN 50600-2-2 [1].
NOTE 2: The power supply may be single-phase AC, three-phase AC or DC. If there is a change from 3-phase to
1-phase supply, this is generally achieved at the secondary distribution equipment that is served directly
from the primary distribution equipment.
task efficiency: measure of the work done (as a result of design and/or operational procedures) for a given amount of
energy consumed
3.2 Symbols
For the purposes of the present document, the following symbols apply:
Δt the maximum time variation between measurement points of the different Objective Key
Performance Indicators within a given Global Key Performance Indicator
KPI Objective Key Performance Indicator of energy consumption
EC
KPI Global Key Performance Indicator of energy management
EM
Objective Key Performance Indicator of renewable energy usage
KPI
REN
KPI Objective Key Performance Indicator of energy re-use
REUSE
KPI Objective Key Performance Indicator of task efficiency
TE
T period of time over which Objective KPIs are assessed
KPI
T the minimum time between which the Objective KPIs can be assessed to determine relevant trend
REPEAT
information
weighting factor applied to KPI
W
EC EC
W weighting factor within KPI
L REUSE
W weighting factor applied to KPI
REN REN
W weighting factor applied to KPI
REUSE REUSE
W weighting factor applied to KPI
TE TE
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10 Final draft ETSI ES 205 200-2-1 V1.2.0 (2014-01)
3.3 Abbreviations
For the purposes of the present document, the following abbreviations apply:
CDC Customer Data Centre
ffs for further study
ITE Information Technology Equipment
KPI Key Performance Indicator
NTE Network Telecommunications Equipment
ODC Operator Data Centre
OS Operator Site
PDU Power Distribution Unit
UPS Uninterruptible Power Supply
4 System definition and boundaries
Figure 1 shows the schematic of the operational infrastructures of broadband deployment as contained with the ESO
response to the EC Mandate M/462 [i.2].
Core network Backhaul network Access network
OS BST TE
Terrestrial
mobile access infrastructure
“IT End-use” equipment*
“IT End-use” equipment*
Satellite mobile access infrastructure
TE
ODC OS Satellite
Non “IT End-use” equipment
Fixed access
infrastructure
“IT End-use” equipment*
OS LON TE
Distribution
network
Transport network
Access network
* out of scope of Mandate M/462

NOTE: Not all the terms and abbreviations of Figure 1 are included in clause 3 of the present document.

Figure 1: Schematic of core network together with fixed and mobile access infrastructures
With reference to Figure 1:
• an operator data centre (ODC) accommodates a mixture of information technology equipment (ITE) and
network telecommunication equipment (NTE);
• an operator site (OS) will also accommodate a mixture of ITE and NTE - where the NTE may provide
connections to connections to core, fixed access, terrestrial mobile access and satellite mobile access network
infrastructures.
It is unlikely that either the ODC or OS of Figure 1 would allow separate assessment of energy consumption of the ITE
and the various NTE for the disparate network infrastructures. As a result, the boundaries applied to ODC and OS in
relation to the objective of Global KPIs for operational infrastructures have to be modified from that of Figure 1 to that
shown in Figure 2.
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11 Final draft ETSI ES 205 200-2-1 V1.2.0 (2014-01)
Similarly, the principal difference between the ODC and the OS would be the relative proportion of ITE and NTE as is
shown in Figure 3. Furthermore a customer data centre (CDC) would also contain NTE - although generally providing a
connection to the access networks. For this reason, the present document considers its Global KPIs for operators data
centres to also be applicable to OSs and CDCs.
The Global KPIs are therefore applicable to ODCs, OS and CDCs of all types, regardless of:
• their Availability Class as defined in CLC EN 50600-1 [i.1];
• the business model of the data centre (such as operator, enterprise, co-location service or co-host service);
• the type, quantity and relative proportions of ITE and NTE.
Energy efficiency boundaries
BST
Terrestrial
mobile access infrastructure
Satellite mobile access infrastructure
ODC OS Satelli
...

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