November, 2011 Draft ZigBee-11167 1 Project ZigBee Alliance and HomePlug Powerline Alliance liaison Title Smart Energy Profile 2.0 Public Application Protocol Specification Date 3, November, 2011 Submitted Re: Smart Energy Profile 2.0 Application Protocol Specification Abstract This document describes the application protocol for the Smart Energy Profile 2.0 release. Purpose The purpose of this document is to define the messages exchanged between devices that implement the Smart Energy Profile, thereby delivering on the requirements in the SEP 2.0 MRD and TRD, and enabling an interoperable eco-system of Smart Energy devices. Notice This document has been prepared to assist the ZigBee Alliance and the HomePlug Powerline Alliance. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. 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HomePlug Powerline Alliance, Inc. 2400 Camino Ramon, Suite 375 5200 SW Macadam Ave., Suite 470 San Ramon, CA 94583 Portland, OR 97239 Smart Energy Profile 2.0 Page 2 Draft Application Protocol Specification November, 2011 Draft ZigBee-11167 2 Foreword 3 The empowerment of consumers to manage their usage and generation of energy is a critical feature of 4 the Smart Grid and is a basis of innovation for new products and services in energy management. To 5 enable this capability, information flow between devices such as meters, smart appliances, plug-in electric 6 vehicles, energy management systems, and distributed energy resources (including renewable energy and 7 storage elements) MUST occur in an open, standardized, and interoperable fashion. The draft 8 specification you are now holding is intended to fulfill those needs. 9 The development of this draft document has been driven by, and seeks to address the requirements of, 10 many activities across the globe. Of note are the efforts within the United States by the National Institute 11 of Standards and Technology (NIST) and the Smart Grid Interoperability Panel (SGIP) (in particular, 12 Priority Action Plans 3, 9, 10, and 11, with influence from many of the others) in fulfillment of the EISA 13 2007 legislation, the European Mandate on Smart Metering (M/441) (in particular, efforts within 14 CEN/CENELEC and ETSI, and the Smart Meter Working Group), as well as similar efforts in Australia, 15 the United Kingdom, Japan, and China, to name only a few. 16 Readers should note that this document is a draft and that suggestions are welcomed. This specification is 17 intended to meet the requirements set forth in the previously published draft Technical Requirements 18 Document (TRD) and will be updated in the future to reflect the ongoing changes to the TRD based on 19 internal review and public comment. This level of development parallelism is meant to speed the 20 progress of this effort, while also providing potential stakeholders who have not had the opportunity to be 21 actively involved with ZigBee Smart Energy a way to comment on the draft documents. 22 This draft document is also intended to enable communications that are link layer agnostic and run over 23 the Internet Protocol (specifically IPv6). Careful consideration was given to premises networks with 24 various architectures, numbers of devices, and constraints while maintaining flexibility, extensibility, and 25 security. 26 Smart Energy Profile 2.0 Page 3 Draft Application Protocol Specification September, 2011 Draft ZigBee-11167 27 Table of Contents 28 1 Introduction ................................................................................................................................................ 11 29 1.1 Purpose....................................................................................................................................................... 11 30 1.2 Scope .......................................................................................................................................................... 11 31 1.3 Context Overview ....................................................................................................................................... 11 32 1.4 Document Organization ............................................................................................................................. 11 33 1.5 Requirement Language .............................................................................................................................. 12 34 1.6 Typography Conventions Used ................................................................................................................... 12 35 1.7 Design Principles ........................................................................................................................................ 13 36 2 Acknowledgements ..................................................................................................................................... 14 37 3 Document Revision History ......................................................................................................................... 15 38 4 References .................................................................................................................................................. 16 39 4.1 Smart Energy 2.0 Documents ..................................................................................................................... 16 40 4.2 HomePlug Powerline Alliance Documents.................................................................................................. 16 41 4.3 ZigBee Alliance Documents ........................................................................................................................ 16 42 4.4 IEC Documents ........................................................................................................................................... 17 43 4.5 IETF Documents .......................................................................................................................................... 18 44 4.6 Other References ........................................................................................................................................ 18 45 4.7 UCA References .......................................................................................................................................... 19 46 5 Definitions, Acronyms and Abbreviations ................................................................................................... 20 47 5.1 Acronyms and Abbreviations...................................................................................................................... 20 48 5.2 Definitions .................................................................................................................................................. 20 49 6 Design Pattern (formerly Applicaition Design Pattern) ................................................................................ 23 50 6.1 Protocol Flexibility ...................................................................................................................................... 23 51 6.2 General Rules / Best Practices ...................................................................................................................