Requirements for Energy Management
RFC 6988

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Internet Engineering Task Force (IETF)                   J. Quittek, Ed.
Request for Comments: 6988                               NEC Europe Ltd.
Category: Informational                                  M. Chandramouli
ISSN: 2070-1721                                      Cisco Systems, Inc.
                                                               R. Winter
                                                                T. Dietz
                                                         NEC Europe Ltd.
                                                               B. Claise
                                                     Cisco Systems, Inc.
                                                          September 2013

                   Requirements for Energy Management

Abstract

   This document defines requirements for standards specifications for
   Energy Management.  The requirements defined in this document are
   concerned with monitoring functions as well as control functions.
   Monitoring functions include identifying energy-managed devices and
   their components, as well as monitoring their Power States, Power
   Inlets, Power Outlets, actual power, Power Attributes, received
   energy, provided energy, and contained batteries.  Control functions
   include such functions as controlling power supply and Power State of
   energy-managed devices and their components.

   This document does not specify the features that must be implemented
   by compliant implementations but rather lists features that must be
   supported by standards for Energy Management.

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for informational purposes.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Not all documents
   approved by the IESG are a candidate for any level of Internet
   Standard; see Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc6988.

Quittek, et al.               Informational                     [Page 1]
RFC 6988           Requirements for Energy Management     September 2013

Copyright Notice

   Copyright (c) 2013 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1. Introduction ....................................................3
      1.1. Conventional Requirements for Energy Management ............3
      1.2. Specific Requirements for Energy Management ................4
   2. Terminology .....................................................5
   3. General Considerations Related to Energy Management .............6
      3.1. Power States ...............................................7
      3.2. Saving Energy versus Maintaining Service Level .............7
      3.3. Local versus Network-Wide Energy Management ................7
      3.4. Energy Monitoring versus Energy Saving .....................8
      3.5. Overview of Energy Management Requirements .................8
   4. Identification of Entities ......................................9
   5. Information on Entities ........................................10
      5.1. General Information on Entities ...........................10
      5.2. Power Interfaces ..........................................11
      5.3. Power .....................................................13
      5.4. Power State ...............................................15
      5.5. Energy ....................................................17
      5.6. Battery State .............................................18
      5.7. Time Series of Measured Values ............................19
   6. Control of Entities ............................................21
   7. Reporting on Other Entities ....................................21
   8. Controlling Other Entities .....................................22
      8.1. Controlling Power States of Other Entities ................22
      8.2. Controlling Power Supply ..................................23
   9. Security Considerations ........................................23
   10. Acknowledgments ...............................................25