Environmental Engineering (EE) - Measurement methods for energy efficiency of router and switch equipment

Write a deliverables contains methods for power consumption measurement, efficiency indicator. The document should be in line with similar published document from NIPP TEE especially on measurement methods

Okoljski inženiring (EE) - Metode merjenja energijske učinkovitosti

General Information

Status
Not Published
Current Stage
5020 - Formal vote (FV) (Adopted Project)
Start Date
04-Apr-2013
Due Date
23-May-2013
Completion Date
16-Jul-2013
Mandate

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ETSI ES 203 136 V1.1.1 (2013-05) - Environmental Engineering (EE); Measurement methods for energy efficiency of router and switch equipment
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ETSI ES 203 136 V1.1.1 (2013-05)
ETSI Standard
Environmental Engineering (EE);
Measurement methods for energy efficiency of router and
switch equipment
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2 ETSI ES 203 136 V1.1.1 (2013-05)
Reference
DES/EE-00024
Keywords
configuration, EEER, router, switch
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© European Telecommunications Standards Institute 2013.
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ETSI
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3 ETSI ES 203 136 V1.1.1 (2013-05)
Contents

Intellectual Property Rights ................................................................................................................................ 4

Foreword ............................................................................................................................................................. 4

Introduction ........................................................................................................................................................ 4

1 Scope ........................................................................................................................................................ 5

2 References ................................................................................................................................................ 5

2.1 Normative references ......................................................................................................................................... 5

2.2 Informative references ........................................................................................................................................ 5

3 Definitions and abbreviations ................................................................................................................... 5

3.1 Definitions .......................................................................................................................................................... 5

3.2 Abbreviations ..................................................................................................................................................... 6

4 Equipment Classification ......................................................................................................................... 6

4.1 Router ................................................................................................................................................................. 6

4.2 Switch ................................................................................................................................................................. 7

5 Definitions of the Equipment Energy Efficiency Ratio for Router and Switch ....................................... 7

6 Measurement Methods ........................................................................................................................... 10

6.1 Measurement conditions ................................................................................................................................... 10

6.2 Equipment Configuration ................................................................................................................................. 10

6.3 Measurement Procedures ................................................................................................................................. 11

6.4 Alternative Measurement Method .................................................................................................................... 12

History .............................................................................................................................................................. 14

ETSI
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4 ETSI ES 203 136 V1.1.1 (2013-05)
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 ETSI Standard (ES) has been produced by ETSI Technical Committee Environmental Engineering (EE).

Introduction

The present document defines the energy consumption metrics and measurement methods for router and Ethernet

switch equipment.
ETSI
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5 ETSI ES 203 136 V1.1.1 (2013-05)
1 Scope

The present document defines the methodology and the test conditions to measure the power consumption of router and

switch equipment.
The present document is applicable to Core, edge and access routers.
Home gateways are not included in 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] ATIS-0600015.03.2009: "Energy Efficiency for Telecommunication Equipment: Methodology for

Measurement and Reporting for Router and Ethernet Switch Requirements".

[2] ATIS-0600015.2009: "Energy Efficiency for Telecommunication Equipment: Methodology for

Measurement and Reporting General Requirements".
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] ETSI EN 300 132-2: "Environmental Engineering (EE); Power supply interface at the input to

telecommunications and datacom (ICT) equipment; Part 2: Operated by -48 V direct current (dc)".

3 Definitions and abbreviations
3.1 Definitions

For the purposes of the present document, the following terms and definitions apply:

aggregation mode: mode in which, a few (typically higher bandwidth) ports on the equipment are considered UPLINK

ports; while majority (typically lower bandwidth) ports are considered user ports

NOTE: In this configuration the data flow is strictly from user ports to uplink ports and vice versa. User ports do

not communicate with each other through this equipment.

core mode: mode in which all ports are considered similar and have similar bandwidth

NOTE: In this configuration the data flow is so that each port communicate with one another.

ETSI
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6 ETSI ES 203 136 V1.1.1 (2013-05)

maximum configuration: configuration with maximum capacity whole slots of the equipment are configured with

maximum interface bandwidth line cards, all of the interfaces can work at the maximum data rate

3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply:
AC Alternating Current
ATM Asynchronous Transfer Mode
DC Direct Current
EE Energy Efficiency
EEER Equipment Energy Efficiency Ratio
EER Energy Efficiency Rating
EUT Equipment Under Test
FDDI Fibre Distributed Data Interface
FE Fast Ethernet
GE Giga Ethernet
IMIX Internet MIX traffic
IP Internet Protocol
MPU Main Processing Unit
NDR Non Drop Rate
OSI Open System Interconnection Reference
PAR Peak to Average Ratio
PoE Power other Ethernet
QoS Quality of Service
4 Equipment Classification
4.1 Router

Routers are typical packet switching equipment running at the network layer of OSI layer 3. The router selects the

optimal route according to the destination address of the received packet through a network and forwards the packet to

the next router. The last router is responsible for sending the packet to the destination host.

Routers connect different physical networks and manually configure and run standard protocols to obtain the

information of each subnet such as label, number of devices, names and addresses, etc. and thus generate and maintain a

live forwarding routing table. Based on this table, each IP packet passing these routers will be assigned an optimal path

according to the longest matching rules and be forwarded to the right path, if the path searching of the packet fails, this

packet will be abandoned.

The router can connect two or more independent and flexible logical networks using different data packets method and

media access method. Routers have not any requirements for hardware in each subnet but shall run the software using

the same network layer protocol.

In light of the router different application scenarios, it can be classified into core routers, service routers, broadband

access routers, and aggregation routers (Core, Edge, access routers in ATIS 0600015.03.2009 [1] classification).

Routers have the following typical features:

1) Provide multiple protocols on network layer to connect different types of networks.

2) Provide multiple types of interfaces so as to realize the conversion between the packets with different

encapsulations and transmission across different networks.
3) Support packet fragmentation and reassembly.

4) Provide large-scale packet buffers so as to support QoS and traffic engineering.

5) Provide large-scale routing tables and support large-scale Layer 3 services within intra-networks or

inter-networks.
ETSI
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7 ETSI ES 203 136 V1.1.1 (2013-05)
4.2 Switch

Switches generally refer to equipments that exchange information in a communications system. They include Ethernet

switches, ATM switches, FDDI switches, and token ring switches, Ethernet switch is widely used because of fast

development of Ethernet technologies and its low costs, therefore, switches in the present document refer to Ethernet

switches.

Switches are typical packet switching devices at the data link layer of OSI layer 2. Based on the destination data link

layer addresses in the Layer 2 switching tables, each received packet, will be assigned an optimal path according to the

accurate matching rule and be forwarded to the right path, if the path searching of the packet fails, this packet will be

sent to the broadcast domain to which it belongs. The Layer 2 switching table is generated by switch network

self-learning.

The main function of switches is packet switching at the data link layer, but with the development of network

technologies, the relationship between network hierarchy and hardware equipment has become ambiguous, it is not

limited to Layer 2 services, the routing function is also integrated into most switches to support Layer 3 services, if the

path searching of packets entering the switch fails in Layer 2, then it will be delivered to the routing module for path

searching and forwarding in Layer 3. For example, some high-level switches also have the routing function, the little

differences between switch and router lie in routing items and performance specifications.

Switches have the following typical features:
1) Support dat
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