ETSI TS 105 174-2 V1.3.1 (2020-01)

Access, Terminals, Transmission and Multiplexing (ATTM); Broadband Deployment and Lifecycle Resource Management; Part 2: ICT Sites: Implementation of energy and lifecycle management practices

RTS/ATTM-0250

General Information

• Status: Published
• Publication Date: 08-Jan-2020
• Technical Committee: ATTM AT2 - Infrastructure, Physical Networks & Communication Systems
• Current Stage: 12 - Completion
• Due Date: 26-Dec-2019
• Completion Date: 09-Jan-2020
• Mandate: M/462

Standards Content (Sample)

ETSI TS 105 174-2 V1.3.1 (2020-01)






TECHNICAL SPECIFICATION
Access, Terminals, Transmission and Multiplexing (ATTM);
Broadband Deployment and Lifecycle Resource Management;
Part 2: ICT Sites: Implementation of energy and lifecycle
management practices

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2 ETSI TS 105 174-2 V1.3.1 (2020-01)



Reference
RTS/ATTM-0250
Keywords
broadband, energy management, ICT,
sustainability
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3 ETSI TS 105 174-2 V1.3.1 (2020-01)
Contents
Intellectual Property Rights . 9
Foreword . 9
Modal verbs terminology . 9
Introduction . 10
1 Scope . 11
2 References . 11
2.1 Normative references . 11
2.2 Informative references . 12
3 Definition of terms, symbols and abbreviations . 14
3.1 Terms . 14
3.2 Symbols . 14
3.3 Abbreviations . 14
4 Applicability of the present document . 15
4.1 Introduction to CLC/TR 50600-99-1 . 15
4.2 ICT sites . 15
4.3 Other Network Distribution Nodes (NDNs) . 15
5 Mapping ETSI EN 305 174-2 to CLC/TR 50600-99-1 . 16
5.1 General . 16
5.2 Power supply and distribution . 16
5.2.1 Design aspects . 16
5.2.2 Operational aspects . 16
5.3 Environmental control . 17
5.3.1 Design aspects . 17
5.3.2 Operational aspects . 18
5.4 ICT equipment and software . 18
5.4.1 Design aspects . 18
5.4.2 Operational aspects . 18
5.5 Other practices of CLC/TR 50600-99-1 . 19
6 Construction recommendations . 19
6.1 General . 19
6.2 Design practices . 20
6.2.1 Location of ICT sites . 20
6.2.1.1 Selection criteria . 20
6.2.1.2 Environment . 20
6.2.1.3 Power: sources of supply . 21
6.2.1.4 Environmental control: sources of coolant . 22
6.2.1.5 Reuse of energy . 22
6.2.2 Structure and configuration of ICT sites . 23
6.2.2.1 General . 23
6.2.2.2 Infrastructure supporting ICT equipment . 24
6.3 Operational practices . 25
7 Power distribution recommendations . 25
7.1 General . 25
7.2 Design practices . 25
7.2.1 Overview . 25
7.2.2 Uninterruptible power systems (UPS) . 26
7.2.2.1 Efficiency . 26
7.2.2.2 Traditional UP S . 28
7.2.2.3 Modular UPS. 28
7.2.2.4 UPS in combination . 28
7.2.3 -48 VDC power solutions . 29
7.2.4 High efficiency distribution and power equipment . 29
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4 ETSI TS 105 174-2 V1.3.1 (2020-01)
7.2.5 Migrating to 400 VDC . 30
7.2.5.1 General . 30
7.2.5.2 400 VDC versus AC. 30
7.2.5.3 Earthing and Bonding . 31
7.3 Operational practices . 31
7.3.1 Measurement, monitoring and reporting . 31
7.3.1.1 Measurement of energy efficiency of existing equipment . 31
7.3.1.2 Energy capacity management. 32
7.3.2 Maintenance . 32
7.4 Example outcomes . 32
8 Environmental control recommendations. 33
8.1 General . 33
8.2 Design practices . 33
8.2.1 Overview . 33
8.2.2 Overview . 34
8.2.2.1 Thermal segregation . 34
8.2.2.1.1 Basic "hot aisle - cold aisle" concepts . 34
8.2.2.1.2 "Pod" concepts . 35
8.2.2.2 Airflow management in cabinets/racks . 36
8.2.3 "Free cooling" . 37
8.2.3.1 General . 37
8.2.3.2 Direct air free cooling . 38
8.2.3.3 Indirect air free cooling . 38
8.2.3.4 Indirect water free cooling . 39
8.2.3.5 Absorption free cooling . 39
8.2.3.6 Adiabatic cooling . 39
8.2.4 Direct cooling . 39
8.2.4.1 Cooling-on-the-chip . 39
8.2.4.2 Liquid cooling . 40
8.2.4.2.1 Direct water free cooling (Cooling-on-the-rack) . 40
8.2.4.2.2 Liquid submersion cooling (oil cooling) . 40
8.2.5 Enhancements of cooling systems . 40
8.3 Operational practices . 41
8.3.1 General . 41
8.3.2 Temperature and humidity settings . 42
8.3.3 Environment control equipment . 43
8.3.4 Air flow in cabinets/racks . 43
8.3.5 Measurement, monitoring and reporting . 43
8.3.5.1 Energy . 43
8.3.5.2 Air quality . 45
8.3.6 Maintenance . 45
8.4 Example outcomes . 45
8.4.1 General . 45
8.4.2 Free cooling . 46
8.4.3 Temperature and humidity settings . 47
8.4.3.1 Energy consumption. 47
8.4.3.2 Time to "system shut-down" . 48
8.4.3.3 Restrictions on implementation . 49
9 ICT equipment and cabling infrastructure recommendations . 49
9.1 General . 49
9.2 Design practices . 50
9.2.1 Auditing the ICT estate . 50
9.2.2 Obsolete ICT equipment . 50
9.2.3 Selection of new ICT equipment . 51
9.2.4 Installation of new ICT equipment . 53
9.2.5 Software . 53
9.3 Operational practices . 53
9.3.1 Energy management . 53
9.3.2 Power management . 54
9.3.2.1 Activation of basic power management features. 54
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5 ETSI TS 105 174-2 V1.3.1 (2020-01)
9.3.2.2 Activation of "sleep" mode . 55
9.3.3 Capacity management . 55
9.3.3.1 General . 55
9.3.3.2 Environmental capacity management . 56
9.3.3.3 Storage capacity management . 57
9.3.3.4 Server capacity management . 57
9.3.3.5 Network capacity management . 57
9.3.3.6 On-demand scalability for on-line business . 58
9.3.4 Server consolidation . 58
9.3.4.1 Consolidation of servers . 58
9.3.4.2 Virtualization . 58
9.3.4.3 Physical consolidation . 59
9.3.5 Measurement, monitoring and reporting . 59
9.4 Example outcomes . 59
9.4.1 General . 59
9.4.2 Power management . 60
9.4.2.1 Activation of "sleep" mode . 60
9.4.3 Server consolidation . 60
9.4.3.1 Virtualization . 60
10 Mapping of ETSI EN 305 174-8 to CLC/TR 50600-99-2 . 61
10.1 ETSI EN 305 174-8 and ETSI TS 105 174-8 . 61
10.2 Practices of CLC/TR 50600-99-2 . 62
10.3 Eco-management and sustainability . 63
10.3.1 Eco-design . 63
10.3.2 LCA . 63
10.3.3 Energy management . 64
Annex A (informative): ICT site Availability Classes . 65
Annex B (informative): Historic issues in ICT sites . 66
Annex C (informative): The application of energy management metrics . 67
Annex D (informative): Bibliography . 68
Annex E (informative): Change History . 69
History . 70


ETSI

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6 ETSI TS 105 174-2 V1.3.1 (2020-01)
List of figures
Figure 1: Example of complex power distribution on an ICT site .26
Figure 2: Multi-vendor AC UPS technologies .27
Figure 3: UPS efficiency .27
Figure 4: Example of modular in-line UPS technology .29
Figure 5: Hot aisle - cold aisle approach .34
Figure 6: Hot aisle - cold aisle approach with improved containment .34
Figure 7: The "pod" concept .35
Figure 8: Graphical representation of Table 34 .47
Figure 9: Example showing effect of operating temperature on "time to system shut-down" .49
Figure 10: Server schedules .55
Figure 11: Capacity management .56
Figure 12: Physical consolidation and virtualization .59
Figure 13: Energy savings from virtualization .61


ETSI

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7 ETSI TS 105 174-2 V1.3.1 (2020-01)
List of tables
Table 1: ETSI EN 305 174-2 [3] requirements for power supply and distribution design .16
Table 2: ETSI EN 305 174-2 [3] requirements for power supply and distribution operation .17
Table 3: ETSI EN 305 174-2 [3] requirements for environmental control design .17
Table 4: ETSI EN 305 174-2 [3] requirements for environmental control operation .18
Table 5: ETSI EN 305 174-2 [3] requirements for ICT equipment operation .18
Table 6: Example of theme-based analysis of ICT site selection .20
Table 7: CLC/TR 50600-99-1 [1] practices addressing environmental aspects of ICT site selection .21
Table 8: CLC/TR 50600-99-1 [1] practices addressing power source aspects of ICT site selection .21
Table 9: Types of local power sources .22
Table 10: CLC/TR 50600-99-1 [1] practices addressing coolant source aspects of ICT site selection .22
Table 11: CLC/TR 50600-99-1 [1] practices addressing energy reuse aspects of ICT site selection.23
Table 12: CLC/TR 50600-99-1 [1] practices addressing ICT site structure and configuration .24
Table 13: CLC/TR 50600-99-1 [1] practices addressing ICT infrastructure .25
Table 14: CLC/TR 50600-99-1 [1] practices addressing ICT site operation .25
Table 15: CLC/TR 506
...