Information technology - Data centre facilities and infrastructures - Part 1: General concepts

This European Standard: a) details the issues to be addressed in a business risk and operating cost analysis enabling application of an appropriate classification of the data centre, b) defines the common aspects of data centres including terminology, parameters and reference models (functional elements and their accommodation) addressing both the size and complexity of their intended purpose, c) describes general aspects of the facilities and infrastructures required to support effective operation of telecommunications within data centres, d) specifies a classification system, based upon the key criteria of “availability”, “security” and “energy-efficiency” over the planned lifetime of the data centre, for the provision of effective facilities and infrastructure, e) describes the general design principles for data centres upon which the requirements of the EN 50600 series are based including symbols, labels, coding in drawings, quality assurance and education, The following topics are outside of the scope of this series of European Standards: 1) the selection of information technology and network telecommunications equipment, software and associated configuration issues are outside the scope of this European Standard; 2) safety and electromagnetic compatibility (EMC) requirements (covered by other standards and regulations. However, information given in this European Standard may be of assistance in meeting these standards and regulations). 1.2 Conformance For a data centre design to conform to this European Standard: a) a business risk analysis according to Clause 4 shall be done, b) an appropriate Availability Class in 6.2 shall be selected using a business risk analysis in Clause 4, c) an appropriate Protection Class in 6.3 shall be selected using a business risk analysis in Clause 4, d) an appropriate energy efficiency enablement level in 6.4 shall be selected, e) the general design principles in Annex A shall be applied.

Informationstechnik - Einrichtungen und Infrastrukturen von Rechenzentren - Teil 1: Allgemeine Konzepte

Technologie de l’information - Installation et infrastructures de centres de traitement de données - Partie 1: Concepts généraux

Informacijska tehnologija - Vzpostavitev podatkovnega centra in infrastruktura - 1. del: Splošna zasnova

Ta evropski standard: a) podrobno opredeljuje, katera vprašanja je treba obravnavati pri poslovnih tveganjih in operativni analizi stroškov in koristi, ki omogoča uporabo primerne klasifikacije podatkovnega centra; b) opredeljuje skupne vidike podatkovnih centrov, vključno s terminologijo, parametri in referenčnimi modeli (funkcijskimi elementi in njihovo namestitvijo), ki obravnavajo velikost in kompleksnost njihove uporabe; c) opisuje splošne vidike prostorov in infrastrukture, ki je potrebna za podporo učinkovitemu delovanju telekomunikacije znotraj podatkovnih centrov; d) podaja sistem klasifikacije za zahteve učinkovitosti prostorov in infrastrukture, ki je osnovan na ključnih merilih »dostopnosti«, »varnosti« in »energetske učinkovitosti« med celotno življenjsko dobo podatkovnih centrov; e) opisuje splošna načela za načrtovanje podatkovnih centrov, na katerih temeljijo zahteve skupine standardov EN 50600, vključno s simboli, oznakami, kodiranjem v skicah. zagotavljanjem kakovosti in izobraževanjem. Naslednje teme ne spadajo na področje uporabe te skupine evropskih standardov: 1) izbor informacijske tehnologije in opreme za telekomunikacijska omrežja, programska oprema in povezana vprašanja pri konfiguraciji; 2) zahteve za varnost in elektromagnetno kompatibilnost (EMC) (zajemajo jih drugi standardi in predpisi, vendar lahko informacije iz tega evropskega standarda pripomorejo k izpolnjevanju teh standardov in predpisov).

General Information

Status
Withdrawn
Publication Date
29-Nov-2012
Current Stage
6060 - Document made available - Publishing
Due Date
22-Apr-2013
Completion Date
30-Nov-2012

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SLOVENSKI STANDARD
SIST EN 50600-1:2013
01-februar-2013
Informacijska tehnologija - Vzpostavitev podatkovnega centra in infrastruktura - 1.
del: Splošna zasnova
Information technology - Data centre facilities and infrastructures - Part 1: General
concepts
Informationstechnik - Einrichtungen und Infrastrukturen von Rechenzentren - Teil 1:
Allgemeine Konzepte
Installation et infrastructures de centres de traitement de données - Partie 1: Concepts
généraux
Ta slovenski standard je istoveten z: EN 50600-1:2012
ICS:
35.020 Informacijska tehnika in Information technology (IT) in
tehnologija na splošno general
SIST EN 50600-1:2013 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 50600-1:2013

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SIST EN 50600-1:2013

EUROPEAN STANDARD
EN 50600-1

NORME EUROPÉENNE
November 2012
EUROPÄISCHE NORM

ICS 35.020; 35.160


English version


Information technology -
Data centre facilities and infrastructures -
Part 1: General concepts



Installation et infrastructures de centres de Informationstechnik -
traitement de données - Einrichtungen und Infrastrukturen von
Partie 1: Concepts généraux Rechenzentren -
Teil 1: Allgemeine Konzepte





This European Standard was approved by CENELEC on 2012-10-22. CENELEC members are bound to
comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the CEN-CENELEC Management Centre or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and
notified to the CEN-CENELEC Management Centre has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia,
Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands,
Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United
Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Management Centre: Avenue Marnix 17, B - 1000 Brussels


© 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 50600-1:2012 E

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SIST EN 50600-1:2013
EN 50600-1:2012 – 2 –
Contents
Foreword . 4
Introduction . 5
1 Scope and conformance . 7
1.1 Scope . 7
1.2 Conformance . 7
2 Normative references. 8
3 Terms, definitions and abbreviations . 8
3.1 Terms and definitions . 8
3.2 Abbreviations . 12
4 Business risk analysis . 12
4.1 General . 12
4.2 Downtime cost analysis . 13
4.3 Risk analysis . 13
5 Data centre design overview . 14
5.1 General . 14
5.2 Spaces and facilities. 15
6 Classification system for data centres . 17
6.1 General . 17
6.2 Availability . 17
6.3 Physical security . 18
6.4 Energy efficiency enablement . 20
Annex A (informative) General design principles . 22
A.1 Design process . 22
A.2 Design principles for availability . 24
A.3 Design of EMC concept. 25
A.4 Design principles for physical security . 25
A.5 Design principles for energy efficiency . 26
Bibliography . 27
Figures
Figure 1 – Schematic relationship between EN 50600 series of standards . 6
Figure 2 – Example of risk map . 14
Figure 3 – Schematic diagram of premises containing a data centre . 16
Figure A.1 – Design phases . 22
Figure A.2 – Schematic diagram of data centre security zones . 26

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SIST EN 50600-1:2013
– 3 – EN 50600-1:2012
Tables
Table 1 – Availability Classes and example implementations . 18
Table 2 – Protection Classes. 19
Table 3 – Protection against environmental events . 20

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SIST EN 50600-1:2013
EN 50600-1:2012 – 4 –
Foreword
This document (EN 50600-1:2012) has been prepared by CLC/TC 215 "Electrotechnical aspects of
telecommunication equipment".
The following dates are fixed:
• latest date by which this document has to be
(dop) 2013-10-22
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards
(dow) 2015-10-22
conflicting with this document have to
be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a mandate given to CENELEC by the European Commission
and the European Free Trade Association.

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SIST EN 50600-1:2013
– 5 – EN 50600-1:2012
Introduction
The unrestricted access to internet-based information demanded by the information society has led to an
exponential growth of both internet traffic and the volume of stored/retrieved data. Data centres are
housing and supporting the information technology and network telecommunications equipment for data
processing, data storage and data transport. They are required both by network operators (delivering
those services to customer premises) and by enterprises within those customer premises.
Data centres need to provide modular, scalable and flexible facilities and infrastructures to easily
accommodate the rapidly changing requirements of the market. In addition, energy consumption of data
centres has become critical both from an environmental point of view (reduction of carbon footprint) and
with respect to economical considerations (cost of energy) for the data centre operator.
The implementation of data centres varies in terms of:
a) purpose (enterprise, co-location, co-hosting or network operator facilities);
b) security level;
c) physical size;
d) accommodation (mobile, temporary and permanent constructions).
The needs of data centres also vary in terms of availability of service, the provision of security and the
objectives for energy efficiency. These needs and objectives influence the design of data centres in terms
of building construction, power distribution, environmental control and physical security. Effective
management and operational information is required to monitor achievement of the defined needs and
objectives.
This series of European Standards specifies requirements and recommendations to support the various
parties involved in the design, planning, procurement, integration, installation, operation and maintenance
of facilities and infrastructures within data centres. These parties include:
1) owners, facility managers, ICT managers, project managers, main contractors;
2) consultants, architects, building designers and builders, system and installation designers;
3) suppliers of equipment;
4) installers, maintainers.
At the time of publication of this European Standard, EN 50600 series will comprise the following
standards:
EN 50600-1: Information technology - Data centre facilities and infrastructures - Part 1: General concepts
EN 50600-2-1: Information technology - Data centre facilities and infrastructures - Part 2-1: Building
construction
EN 50600-2-2: Information technology - Data centre facilities and infrastructures - Part 2-2: Power
distribution
EN 50600-2-3: Information technology - Data centre facilities and infrastructures - Part 2-3: Environmental
control
EN 50600-2-4: Information technology - Data centre facilities and infrastructures - Part 2-4:
Telecommunications cabling infrastructure
EN 50600-2-5: Information technology - Data centre facilities and infrastructures - Part 2-5: Security
systems
EN 50600-2-6: Information technology - Data centre facilities and infrastructures - Part 2-6: Management
and operational information
The inter-relationship of the standards within the EN 50600 series is shown in Figure 1.

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SIST EN 50600-1:2013
EN 50600-1:2012 – 6 –

Figure 1 – Schematic relationship between EN 50600 series of standards

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SIST EN 50600-1:2013
– 7 – EN 50600-1:2012
1 Scope and conformance
1.1 Scope
This European Standard:
a) details the issues to be addressed in a business risk and operating cost analysis enabling application
of an appropriate classification of the data centre;
b) defines the common aspects of data centres including terminology, parameters and reference models
(functional elements and their accommodation) addressing both the size and complexity of their
intended purpose;
c) describes general aspects of the facilities and infrastructures required to support effective operation
of telecommunications within data centres;
d) specifies a classification system, based upon the key criteria of “availability”, “security” and “energy-
efficiency” over the planned lifetime of the data centre, for the provision of effective facilities and
infrastructure;
e) describes the general design principles for data centres upon which the requirements of the
EN 50600 series are based including symbols, labels, coding in drawings, quality assurance and
education;
The following topics are outside of the scope of this series of European Standards:
1) the selection of information technology and network telecommunications equipment, software and
associated configuration issues are outside the scope of this European Standard;
2) safety and electromagnetic compatibility (EMC) requirements (covered by other standards and
regulations. However, information given in this European Standard may be of assistance in meeting
these standards and regulations).
1.2 Conformance
For a data centre design to conform to this European Standard:
a) a business risk analysis according to Clause 4 shall be completed;
b) an appropriate Availability Class in 6.2 shall be selected using a business risk analysis in Clause 4;
c) an appropriate Protection Class in 6.3 shall be selected using a business risk analysis in Clause 4;
d) an appropriate energy efficiency enablement level in 6.4 shall be selected;
e) the general design principles in Annex A shall be applied.

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SIST EN 50600-1:2013
EN 50600-1:2012 – 8 –
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
1)
EN 50600-2-1 , Information technology — Data centre facilities and infrastructures – Part 2-1: Building
construction
1)
EN 50600-2-2 , Information technology — Data centre facilities and infrastructures – Part 2-2: Power
distribution
2)
EN 50600-2-3 , Information technology — Data centre facilities and infrastructures – Part 2-3:
Environmental control
2)
EN 50600-2-4 , Information technology — Data centre facilities and infrastructures – Part 2-4:
Telecommunications cabling infrastructure
2)
EN 50600-2-5 , Information technology — Data centre facilities and infrastructures – Part 2-5: Security
systems
3 Terms, definitions and abbreviations
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1.1
availability
ability of an item to be in a state to perform a required function under given conditions at a given instant of
time or over a given time interval, assuming that the required external resources are provided
[SOURCE: IEC 60050-191:1990, 191-02-05]
3.1.2
building entrance facility
facility that provides all necessary mechanical and electrical services for the entry of telecommunications
cables into a building and which may allow for transition from external to internal cable
[SOURCE: EN 50173-1:2011, 3.1.17]
3.1.3
building security
facilities and systems necessary to provide the required levels of security at the entrance to and within the
building containing the data centre
3.1.4
cabinet
enclosed construction for housing closures and other information technology equipment
[SOURCE: EN 50174-1:2009, 3.1.4]
———————
1)
At enquiry stage.
2)
Under consideration.

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SIST EN 50600-1:2013
– 9 – EN 50600-1:2012
3.1.5
co-hosting data centre
data centre in which multiple customers are provided with access to network(s), servers and storage
equipment on which they operate their own services/applications
Note 1 to entry: Both the information technology equipment and the support infrastructure of the building are provided as a service
by the data centre operator.
[SOURCE: EN 50174-2:2009/A1:2011, 3.1.2]
3.1.6
co-location data centre
data centre in which multiple customers locate their own network(s), servers and storage equipment
Note 1 to entry: The support infrastructure of the building (such as power distribution and environmental control) is provided as a
service by the data centre operator.
[SOURCE: EN 50174-2:2009/A1:2011, 3.1.3]
3.1.7
computer room space
area within the data centre that accommodates the data processing, data storage and telecommunication
equipment that provides the primary function of the data centre
3.1.8
control room space
area within the data centre used to control the operation of the data centre and to act as a central point
for all control and monitoring functions
3.1.9
data centre
a structure, or group of structures, dedicated to the centralised 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
Note 1 to entry: A structure can consist of multiple buildings and/or spaces with specific functions to support the primary function.
3.1.10
data centre security
necessary facilities and systems that provide the required levels of security at the entrance to and within
the data centre
3.1.11
demarcation point
point where the operational control or ownership changes

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SIST EN 50600-1:2013
EN 50600-1:2012 – 10 –
3.1.12
electrical distribution space
area used for housing facilities to distribute electrical power between the transformer space and electrical
spaces within the data centre or elsewhere within the premises or individual buildings within the premises
3.1.13
electrical space
area within the data centre used for housing facilities to deliver and control electrical power to the data
centre spaces (including switchboards, batteries, uninterruptible power supplies (UPS) etc.)
3.1.14
enterprise data centre
data centre that is operated by an enterprise which has the sole purpose of the delivery and management
of services to its employees and customers
[SOURCE: EN 50174-2:2009/A1:2011, 3.1.8]
3.1.15
external premises security
facilities and systems that provide the required levels of security for the area between the building and the
boundary of the premises
3.1.16
energy efficiency enablement
ability to measure the energy consumption and to allow calculation and reporting of energy efficiency of
the various facilities and infrastructures
3.1.17
facility
spaces and pathways that accommodate a specific infrastructure
3.1.18
functional capability
ability of the data centre (or system or sub-system) to deliver its intended function
3.1.19
generator space
area used for housing the installation of electrical power supply generation equipment together with
associated storage of fuels or energy conversion equipment
3.1.20
holding space
area within the data centre used for the holding of equipment prior to being brought into service or having
been taken out of service
3.1.21
infrastructure
technical systems providing functional capability of the data centre (e.g. power distribution, environmental
control and physical security)
3.1.22
main distributor
distributor used to make connections between the main distribution cabling subsystem, network access
cabling subsystem and cabling subsystems and active equipment
[SOURCE: EN 50173-5:2007, 3.1.6, modified]

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SIST EN 50600-1:2013
– 11 – EN 50600-1:2012
3.1.23
mechanical space
area that is used for housing mechanical equipment and infrastructure that provides environmental
control for the data centre spaces (including chillers and water treatment, air handling and fire
suppression systems)
3.1.24
network operator data centre
data centre that has the primary purpose of the delivery and management of broadband services to the
operators customers
[SOURCE: EN 50174-2:2009/A1:2011, 3.1.21]
3.1.25
physical security
measures (combining physical and technological controls), procedures and responsibilities to maintain
the desired level of availability for the facilities and infrastructures of the data centres in relation to access
control and environmental events
3.1.26
planned downtime
period of time during which a system or sub-system does not provide functional capability whilst it
undergoes maintenance or is switched off to test the response of a related system or sub-system
3.1.27
premises entrance facility
space that provides all necessary mechanical and electrical services for the entry of cables into the
premises
3.1.28
storage space
secured area where general goods and/or data centre goods can be stored
3.1.29
telecommunications
branch of technology concerned with the transmission, emission, and reception of signs, signals, writings,
images, and sounds, that is, information of any nature by cable, radio, optical, or other electromagnetic
systems
[SOURCE: EN 50173-1:2011, 3.1.43]
3.1.30
telecommunications cabling
telecommunications cabling infrastructure from the telecommunications space(s) to the premises
entrance facility
3.1.31
telecommunication equipment
equipment within the data centre that provides telecommunication services within the data centre
3.1.32
telecommunications space
area which may house demarcation points and telecommunication equipment associated with the building
entrance facility and which may allow service providers restricted access to the data centre
3.1.33
testing space
area within the data centre used for the testing and configuring of equipment prior to being brought into
service

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SIST EN 50600-1:2013
EN 50600-1:2012 – 12 –
3.1.34
transformer space
area used for housing equipment necessary to convert primary electrical circuits to levels appropriate for
connection to the equipment within the premises or individual buildings within the premises
3.1.35
uninterruptible power system
combination of convertors, switches and energy storage devices (such as batteries), constituting a power
system for maintaining continuity of load power in case of input power failure
Note 1 to entry: Continuity of load power occurs when voltage and frequency are within rated steady-state and transient tolerance
bands and with distortion and interruptions within the limits specified for the load. Input power failure occurs when voltage and
frequency are outside rated steady-state and transient tolerance bands or with distortion or interruptions outside the limits specified
for the UPS.
[SOURCE: EN 62040-1:2008, 3.1.1]
3.1.36
unplanned downtime
time taken, following a failure of functional capability, to repair the relevant infrastructure together with the
“re-boot” time necessary to recover functional capability following that repair

3.2 Abbreviations
For the purposes of this document the following abbreviations apply:
CRAC Computer Room Air Conditioner/Conditioning
ffs for further study
MTBF Mean Time Between Failures
MTTR Mean Time To Recovery
NOC Network Operating Centre
UPS Uninterruptible Power Supply
4 Business risk analysis
4.1 General
The overall availability of a data centre is a measure of the continuity of its data processing, storage, and
transport functions. The acceptable level of the overall availability of a data centre is determined by a
number of factors including:
a) a downtime cost analysis (see 4.2) - the cost associated with a failure of service provision, which
depends upon a number of factors including the function and importance of the data centre;
b) externally applied commercial pressures (e.g. insurance costs).
The availability of each of the facilities and infrastructures of the data centre required to support the
desired overall availability is described by an availability classification (see 6.2). The design of each of the
data centre infrastructures shall take account of their impact on overall availability and the costs
associated with the predicted downtime associated with failure or planned maintenance. The design and
physical security of the facilities and infrastructures of the data centre may be subjected to a risk analysis
(see 4.3) which maps identified risk events against the requirements of the availability classification (see
6.2). This analysis identifies the aspects of the facilities and infrastructures that require investment in
terms of design improvements to reduce their impact and/or probability of those risk events.

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SIST EN 50600-1:2013
– 13 – EN 50600-1:2012
4.2 Downtime cost analysis
This standard does not define methods of analysis for the cost of downtime. Standards such as EN 31010
provide useful guidance.
The elements to be considered within such an analysis will depend upon the purpose of the data centre.
Some organisations may be able to assign a monetary value (or range) to loss of service which may
include the following:
a) immediate financial penalties;
b) consequential losses;
c) an assessment of longer term damage to business reputation e.g. an Internet Service Provider or a
financial institution.
Although cost is often considered when analysing downtime, other impacts should also be considered.
Data Centres containing life safety, legal, medical and criminal information may have individually
recognised consequences from un-scheduled downtime.
4.3 Risk analysis
This standard does not define methods of risk analysis. Standards such as EN 31010 provide useful
guidance.
Risk analysis may be used as a management tool allowing the comparison with the acceptable total risk
and showing trends resulting from mitigation activity. For the purposes of this standard the risk associated
with an event concerning the facilities and infrastructures of the data centre which disrupts the provision
of service of the data centre is defined as event risk which is a function of impact and probability where
a) impact is the magnitude or severity of adverse incidents or impacts, expressed numerically or
nominally expected duration of loss of service (availability) of the event;
b) probability is the likelihood of the event.
The impact of risk may be assessed using different units of measure e.g. cost, safety etc.
The total risk to the functional capability of the data centre is a function of the event risks associated with
each facility and infrastructure provided that those risks are quantified on the same basis. If related to the
output of the downtime cost analysis (see 4.2) the financial value of the total risk can be estimated.
The risks considered should include external threats which may affect the facilities and infrastructures
including in particular the location, which could be geographical (air traffic, flooding etc.), political (wars,
trouble spots, terror etc.) or affecting neighbourhood relations (if, for example, fire hazards exist due to
filling stations, chemical storage etc.) and thus influence the likelihood of a potential downtime. In
addition, potential risks resulting from attacks from the company's own staff and from outside should be
part of the overall risk evaluation.
Impact can be categorised as:
1) low: Loss of non-critical services;
2) medium: Failure of critical system components but no loss of redundancy;
3) high: Loss of critical system redundancy but no loss of service to clients;
4) critical: Loss of critical service to one or more clients or loss of life (which may be extended to
address personal injury).
The probability of an event occurring can be defined in a similar way, that is:
− very low;
− low;

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SIST EN 50600-1:2013
EN 50600-1:2012 – 14 –
− medium;
− high.
Each risk can be quantified on a risk map as shown in Figure 2. High risk events inhabit the top right hand
corner of the figure and low risk events inhabit the bottom left hand corner.
High risk
Impact
...

SLOVENSKI STANDARD
oSIST prEN 50600-1:2012
01-februar-2012
Informacijska tehnologija - Vzpostavitev podatkovnega centra in infrastruktura - 1.
del: Splošna zasnova
Information technology - Data centre facilities and infrastructures - Part 1: General
concepts
Informationstechnik - Einrichtungen und Infrastrukturen von Rechenzentren - Teil 1:
Allgemeine Konzepte
Ta slovenski standard je istoveten z: prEN 50600-1:2011
ICS:
35.020 Informacijska tehnika in Information technology (IT) in
tehnologija na splošno general
oSIST prEN 50600-1:2012 en,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 50600-1:2012

---------------------- Page: 2 ----------------------
oSIST prEN 50600-1:2012
 DRAFT
EUROPEAN STANDARD
prEN 50600-1

NORME EUROPÉENNE
December 2011
EUROPÄISCHE NORM

ICS 35.020; 35.160


English version


Information technology -
Data centre facilities and infrastructures -
Part 1: General concepts



To be completed Informationstechnik -
Einrichtungen und Infrastrukturen von
Rechenzentren -
Teil 1: Allgemeine Konzepte



This draft European Standard is submitted to CENELEC members for CENELEC enquiry.
Deadline for CENELEC: 2012-05-04.

It has been drawn up by CLC/TC 215.

If this draft becomes a European Standard, CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national
standard without any alteration.

This draft European Standard was established by CENELEC in three official versions (English, French, German).
A version in any other language made by translation under the responsibility of a CENELEC member into its own
language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus,
the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia,
Spain, Sweden, Switzerland and the United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to
change without notice and shall not be referred to as a European Standard.


CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Management Centre: Avenue Marnix 17, B - 1000 Brussels


© 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Project: 21921 Ref. No. prEN 50600-1:2011 E

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1 Contents
2 Foreword . 3
3 Introduction . 4
4 1 Scope and conformance . 6
5 1.1 Scope . 6
6 1.2 Conformance . 6
7 2 Normative references. 7
8 3 Terms, definitions and abbreviations . 7
9 3.1 Terms and definitions . 7
10 3.2 Abbreviations . 11
11 4 Business risk analysis . 11
12 4.1 General . 11
13 4.2 Downtime cost analysis . 11
14 4.3 Risk analysis . 12
15 5 Data centre design overview . 13
16 5.1 General . 13
17 5.2 Spaces and facilities. 14
18 6 Classification system for data centres . 16
19 6.1 General . 16
20 6.2 Availability . 16
21 6.3 Physical security . 17
22 6.4 Energy efficiency enablement . 19
23 Annex A (normative) General design principles . 20
24 A.1 Design process . 20
25 A.2 Design principles for availability . 22
26 A.3 Design of EMC concept. 23
27 A.4 Design principles for physical security . 23
28 A.5 Design principles for energy efficiency . 24
29 Bibliography . 25
30 Figures
31 Figure 1 – Schematic relationship between EN 50600 series of standards . 5
32 Figure 2 – Example of risk map . 13
33 Figure 3 – Schematic diagram of premises containing a data centre . 15
34 Figure A.1 – Design phases . 20
35 Figure A.2 – Schematic diagram of data centre security zones . 24
36 Tables
37 Table 1 – Availability classes and example implementations . 17
38 Table 2 – Protection classes . 18
39

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40 Foreword
41 This document (prEN 50600-1:2011) has been prepared by CLC/TC 215 "Electrotechnical aspects of
42 telecommunication equipment".
43 This document is currently submitted to the Enquiry.
44 This document has been prepared under a mandate given to CENELEC by the European Commission
45 and the European Free Trade Association.

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46 Introduction
47 The unrestricted access to internet-based information demanded by the information society has led to an
48 exponential growth of both internet traffic and the volume of stored/retrieved data. Data centres, are
49 housing and supporting the information technology and network telecommunications equipment for data
50 processing, data storage and data transport. They are required both by network operators (delivering
51 those services to customer premises) and by enterprises within those customer premises.
52 Data centres need to provide modular, scalable and flexible facilities and infrastructures to easily
53 accommodate the rapidly changing requirements of the market. In addition, energy consumption of data
54 centres has become critical both from an environmental point of view (reduction of carbon footprint) and
55 with respect to economical considerations (cost of energy) for the data centre operator.
56 The implementation of data centres varies in terms of
57 a) purpose (enterprise, co-location, co-hosting or network operator facilities),
58 b) physical size,
59 c) accommodation (mobile, temporary and permanent constructions).
60 The needs of data centres also vary in terms of availability of service, the provision of security and the
61 objectives for energy efficiency. These needs and objectives influence the design of data centres in terms
62 of building construction, power distribution, environmental control and physical security. Effective
63 management and operational information is required to monitor achievement of the defined needs and
64 objectives.
65 This series of European Standards specifies requirements and recommendations to support the various
66 parties involved in the design, planning, procurement, integration, installation, operation and maintenance
67 of facilities and infrastructures within data centres. These parties include
68 1) owners, facility managers, ICT managers, project managers, main contractors,
69 2) consultants, architects, building designers and builders, system and installation designers,
70 3) suppliers of equipment,
71 4) installers, maintainers.
72 At the time of publication of this European Standard, EN 50600 series will comprise the following
73 standards:
74 EN 50600-1: Information technology - Data centre facilities and infrastructures - Part 1: General concepts
75 EN 50600-2-1: Information technology - Data centre facilities and infrastructures - Part 2-1: Building
76 construction
77 EN 50600-2-2: Information technology - Data centre facilities and infrastructures - Part 2-2: Power
78 distribution
79 EN 50600-2-3: Information technology - Data centre facilities and infrastructures - Part 2-3: Environmental
80 control
81 EN 50600-2-4: Information technology - Data centre facilities and infrastructures - Part 2-4:
82 Telecommunications cabling infrastructure
83 EN 50600-2-5: Information technology - Data centre facilities and infrastructures - Part 2-5: Security
84 systems
85 EN 50600-2-6: Information technology - Data centre facilities and infrastructures - Part 2-6: Management
86 and operational information
87 The inter-relationship of the standards within the EN 50600 series is shown in Figure 1.

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88
89 Figure 1 – Schematic relationship between EN 50600 series of standards
90

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91 1 Scope and conformance
92 1.1 Scope
93 This European standard
94 a) details the issues to be addressed in a business risk and operating cost analysis enabling application
95 of an appropriate classification of the data centre,
96 b) defines the common aspects of data centres including terminology, parameters and reference models
97 (functional elements and their accommodation) addressing both the size and complexity of their
98 intended purpose,
99 c) describes general aspects of the facilities and infrastructures required to support effective operation
100 of telecommunications within data centres,
101 d) specifies a classification system, based upon the key criteria of “availability”, “security” and ‘energy-
102 efficiency” over the planned lifetime of the data centre, for the provision of effective facilities and
103 infrastructure,
104 e) describes the general design principles for data centres upon which the requirements of the
105 EN 50600 series are based including symbols, labels, coding in drawings, quality assurance and
106 education,
107 f) specifies the measurement methodologies and report formats to monitor the performance of the data
108 centre facilities and infrastructures and to provide the necessary management and operational
109 information specified in EN 50600-2-X standards.
110 The following topics are outside of the scope of this series of European standards:
111 1) the selection of information technology and network telecommunications equipment, software and
112 associated configuration issues are outside the scope of this European Standard;
113 2) safety and electromagnetic compatibility (EMC) requirements (covered by other standards and
114 regulations. However, information given in this European Standard may be of assistance in meeting
115 these standards and regulations).
116 1.2 Conformance
117 For a data centre design to conform to this European Standard
118 a) a business risk analysis according to Clause 4 shall be done,
119 b) an appropriate availability class in 6.2 shall be selected using a business risk analysis in Clause 4,
120 c) an appropriate protection class in 6.3 shall be selected using a business risk analysis in Clause 4,
121 d) an appropriate energy efficiency enablement level in 6.4 shall be selected,
122 e) the general design principles in Annex A shall be applied.

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123 2 Normative references
124 The following referenced documents are indispensable for the application of this document. For dated
125 references, only the edition cited applies. For undated references, the latest edition of the referenced
126 document (including any amendments) applies.
127 EN 50174-2, Information technology – Cabling installation – Part 2: Installation planning and
128 practices inside buildings
129 EN 50310, Application of equipotential bonding and earthing in buildings with information technology
130 equipment
1)
131 EN 50600-2-1 , Information technology – Data centre facilities and infrastructures –
132 Part 2-1: Building construction
1)
133 EN 50600-2-2 , Information technology – Data centre facilities and infrastructures –
134 Part 2-2: Power distribution
1)
135 EN 50600-2-3 , Information technology – Data centre facilities and infrastructures –
136 Part 2-3: Environmental control
1)
137 EN 50600-2-4 , Information technology – Data centre facilities and infrastructures –
138 Part 2-4: Telecommunications cabling infrastructure
1)
139 EN 50600-2-5 , Information technology – Data centre facilities and infrastructures –
140 Part 2-5: Security systems
141 EN 62305 (all parts), Protection against lightning (IEC 62305 (all parts))
142 3 Terms, definitions and abbreviations
143 3.1 Terms and definitions
144 For the purposes of this document the following definitions apply.
145 3.1.1
146 availability
147 ratio of time (or equivalent measure) during which the facilities and infrastructures of the data centre
148 provide functional capability of the data centre to the total time (functional capability and non-functional
149 capability) expressed as a percentage
150 3.1.2
151 building entrance facility
152 facility that provides all necessary mechanical and electrical services for the entry of telecommunications
153 cables into a building and which may allow for transition from external to internal cable
154 [EN 50173-1:2011, 3.1.17]
155 3.1.3
156 building security
157 facilities and systems necessary to provide the required levels of security at the entrance to and within the
158 building containing the data centre
159 3.1.4
160 cabinet
161 enclosed construction for housing closures and other information technology equipment
162 [EN 50174-1:2009, 3.1.4]
———————
1)
Under consideration.

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163 3.1.5
164 co-hosting data centre
165 data centre in which multiple customers are provided with access to network(s), servers and storage
166 equipment on which they operate their own services/applications
167 NOTE Both the information technology equipment and the support infrastructure of the building are provided as a service by the
168 data centre operator.
169 [EN 50174-2:2009/A1:2011, 3.1.2]
170 3.1.6
171 co-location data centre
172 data centre in which multiple customers locate their own network(s), servers and storage equipment
173 NOTE The support infrastructure of the building (such as power distribution and environmental control) is provided as a service by
174 the data centre operator.
175 [EN 50174-2:2009/A1:2011, 3.1.3]
176 3.1.7
177 computer room space
178 area within the data centre that accomodates the data processing, data storage and telecommunication
179 equipment that provides the primary function of the data centre
180 3.1.8
181 control room space
182 area within the data centre used to control the operation of the data centre and to act as a central point
183 for all control and monitoring functions
184 3.1.9
185 data centre
186 building or space, whose primary function is to accommodate equipment that processes, delivers and/or
187 stores information
188 NOTE A data centre can consist of multiple spaces with specific functions to support the primary function.
189 [EN 50174-2:2009/A1:2011, 3.1.5]
190 3.1.10
191 data centre security
192 facilities necessary and systems that provide the required levels of security at the entrance to and within
193 the data centre
194 3.1.11
195 demarcation point
196 point where the operational control or ownership changes
197 3.1.12
198 downtime planned
199 period of time during which a system or sub-system does not provide functional capability whilst it
200 undergoes maintenance or is switched off to test the response of a related system or sub-system
201 3.1.13
202 downtime unplanned
203 time taken, following a failure of functional capability, to repair the relevant infrastructure together with the
204 “re-boot” time necessary to recover functional capability following that repair

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205 3.1.14
206 electrical distribution space
207 area used for housing facilities to distribute electrical power between the transformer space and electrical
208 spaces within the data centre or elsewhere within the premises or individual buildings within the premises
209 3.1.15
210 electrical space
211 area within the data centre used for housing facilities to deliver and control electrical power to the data
212 centre spaces (including switchboards, batteries, uninterruptible power supplies (UPS) etc.)
213 3.1.16
214 enterprise data centre
215 data centre that is operated by an enterprise which has the sole purpose of the delivery and management
216 of services to its employees and customers
217 [EN 50174-2:2009/A1:2011, 3.1.8]
218 3.1.17
219 external premises security
220 facilities and systems that provide the required levels of security for the area between the building and the
221 boundary of the premises
222 3.1.18
223 energy efficiency enablement
224 ability to measure the energy consumption and to allow calculation and reporting of energy efficiency of
225 the various facilities and infrastructures
226 3.1.19
227 facility
228 spaces and pathways that accommodate a specific infrastructure
229 3.1.20
230 functional capability
231 ability of the data centre (or system or sub-system) to deliver its intended function
232 3.1.21
233 generator space
234 area used for housing the installation of electrical power supply generation equipment together with
235 associated storage of fuels or energy conversion equipment
236 3.1.22
237 holding space
238 area within the data centre used for the holding of equipment prior to being brought into service or having
239 been taken out of service
240 3.1.23
241 infrastructure
242 technical systems providing functional capability of the data centre (e.g. power distribution, environmental
243 control and physical security)
244 3.1.24
245 main cross-connect
246 cross-connect for first level backbone cables, entrance cables, and equipment cables

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247 3.1.25
248 mechanical space
249 area that is used for housing mechanical equipment and infrastructure that provides environmental
250 control for the data centre spaces (including chillers and water treatment, air handling and fire
251 suppression systems)
252 3.1.26
253 network operator data centre
254 data centre that has the primary purpose of the delivery and management of broadband services to the
255 operators customers
256 [EN 50174-2:2009/A1:2011, 3.1.21]
257 3.1.27
258 premises entrance facility
259 space that provides all necessary mechanical and electrical services for the entry of cables into the
260 premises
261 3.1.28
262 storage space
263 secured area where general goods and/or data centre goods can be stored
264 3.1.29
265 telecommunications
266 branch of technology concerned with the transmission, emission, and reception of signs, signals, writings,
267 images, and sounds, that is, information of any nature by cable, radio, optical, or other electromagnetic
268 systems
269 [EN 50173-1:2011, 3.1.43]
270 3.1.30
271 telecommunications cabling
272 telecommunications cabling infrastructure from the telecommunication space(s) to the premises entrance
273 facility
274 3.1.31
275 telecommunication equipment
276 equipment within the data centre that provides telecommunication services within the data centre
277 3.1.32
278 telecommunications space
279 area which may house demarcation points and telecommunications equipment associated with the
280 building entrance facility and which may allow service providers restricted access to the data centre
281 3.1.33
282 testing space
283 area within the data centre used for the testing and configuring of equipment prior to being brought into
284 service
285 3.1.34
286 transformer space
287 area used for housing equipment necessary to convert primary electrical circuits to levels appropriate for
288 connection to the equipment within the premises or individual buildings within the premises
289 3.1.35
290 uninterruptible power supply
291 buffer between utility power or other power source and a load that requires continuous precise power

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292 3.2 Abbreviations
293 For the purposes of this document the following abbreviations apply:
294 CRAC Computer Room Air Conditioner/Conditioning
295 ffs for further Study
296 MTBF Mean Time between Failures
297 MTTR Mean Time to Recovery
298 NOC Network Operating Centre
299 UPS Uninterruptible Power Supply
300 4 Business risk analysis
301 4.1 General
302 The overall availability of a data centre is a measure of the continuity of its data processing, storage, and
303 transport functions. The acceptable level of the overall availability of a data centre is determined by a
304 number of factors including
305 a) a downtime cost analysis (see 4.2) - the cost associated with a failure of service provision, which
306 depends upon a number of factors including the function and importance of the data centre,
307 b) externally applied commercial pressures (e.g. insurance costs).
308 The availability of each of the facilities and infrastructures of the data centre required to support the
309 desired overall availability is described by an availability classification (see 6.2). The design of each of the
310 data centre infrastructures shall take account of their impact on overall availability and the costs
311 associated with the predicted downtime associated with failure or planned maintenance. The design and
312 physical security of the facilities and infrastructures of the data centre may be subjected to a risk analysis
313 (see 4.3) which maps identified risk events against the requirements of the availability classification (see
314 6.2). This analysis determines the aspects of the facilities and infrastructures that deserve investment in
315 terms of design improvements to reduce their impact and/or probability of those risk events.
316 4.2 Downtime cost analysis
317 This standard does not define methods of analysis for the cost of downtime. Standards such as EN 31010
318 provide useful guidance.
319 The elements to be considered within such an analysis will depend upon the purpose of the data centre.
320 Some organisations may be able to assign a monetary value (or range) to loss of service which may
321 include the following:
322 a) immediate financial penalties;
323 b) consequential losses;
324 c) an assessment of longer term damage to business reputation e.g. an Internet Service Provider or
325 ATM.
326 Other costs may not be directly financial in nature. For example, for data centres associated with safety
327 and life-safety services, such as air traffic, railway and power-station control systems, failure may have
328 negative consequences on humans and the natural environment.

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329 4.3 Risk analysis
330 This standard does not define methods of risk analysis. Standards such as EN 31010 provide useful
331 guidance.
332 Risk analysis may be used as a management tool allowing the comparison with the acceptable total risk
333 and showing trends resulting from mitigation activity. For the purposes of this standard the risk associated
334 with an event concerning the facilities and infrastructures of the data centre which disrupts the provision
335 of service of the data centre is defined as event risk which is a function of impact and probability where
336 a) impact is the magnitude or severity of adverse incidents or impacts, expressed numerically or
337 nominally expected duration of loss of service (availability) of the event,
338 b) probability is the likelihood of the event.
339 The impact of risk may be assessed using different units of measure e.g. cost, safety etc.
340 The total risk to the functional capability of the data centre is a function of the event risks associated with
341 each facility and infrastructure provided that those risks are quantified on the same basis. If related to the
342 output of the downtime cost analysis (see 4.2) the financial value of the total risk can be estimated.
343 The risks considered should include external threats which may affect the facilities and infrastructures
344 including in particular the location, which could be geographical (air traffic, flooding etc.), political (wars,
345 trouble spots, terror etc.) or affecting neighbourhood relations (if, for example, fire hazards exist due to
346 filling stations, chemical storage etc.) and thus influence the likelihood of a potential downtime. In
347 addition, potential risks resulting from attacks from the company's own staff and from outside should be
348 part of the overall risk evaluation.
349 Impact can be categorised as
350 1) low: Loss of non-critical services,
351 2) medium: Failure of critical system components but no loss of redundancy,
352 3) high: Loss of critical system redundancy but no loss of service to clients,
353 4) critical: Loss of critical service to one or more clients or loss of life (which may be extended to
354 address personal injury).
355 The probability of an event occurring can be defined in a similar way, that is
356 − very low,
357 − low,
358 − medium,
359 − high.
360 Each risk can be quantified on a risk map as shown in Figure 2. High risk events inhabit the top right hand
361 corner of the figure and low risk events inhabit the bottom left hand corner.

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High risk
impact
1,4 3,4 4,4
2,4
4
1,3 2,3 3,3 4,3
3
1,2
...

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