1st Semantic Web 3.0 Standard for the Internet of Things (IoT)                                              

 Contact UsNewsProductsServicesEvents                                                                                                     

In the NEWS:

Webinar: IoT/PowerMatcher TE Test Bed at the NIST GCTC II Expo Booth #5072 in Austin, TX on June 13-14, 2016.  If you are planning to attend the activities in Austin, TX please drop by.

Article: Transactive Energy in Cement Manufacturing, International Cement Review (ICR) which discuss P21451-1-4 and Transactive Energy using IoT/PowerMatcher.

Smart Cities Innovation Summit, June 15-16, 2016 in Austin, TX, visit the poster session at 4-5 PM CST on Solar Energy and PowerMatching Cities on June 15, 2016.

NIST Smart Cities Framework Working Group meeting on June 15-16, 2016 in   Austin, TX

NIST GCTC II Expo, June 13-14, 2016 in Austin, TX

TESC 2016 Transactive Energy Systems Conference & Workshop, Portland, OR, on May 17-19, 2016 and NIST TE Challenge Working Group Meeting

IoT/PowerMatcher Transactive Energy Test Bed Team using P21451-1-4 was accepted to participate in the NIST Global Cities Team Challenge II  that will be used in Buffalo, NY, Glassboro, NJ, and Oshawa, ON (Canada)

P21451-1-4 represented in NIST Smart Cities Framework Working Group at the kick-off meeting on March 24-25, 2016


Southern Economic Association (SEA),        86th Annual Meeting in Washington, DC on November 19-21, 2016 on Transactive Energy for Smart Cities

IEEE SEGE'2016 4th International Conference on Smart Energy Grid Engineering at UOIT in Oshawa, ON (Canada) on August 21-24,2016


NREL Smart Grid Educational Series Webinar.  Dr. Erfan Ibrahim, Director of Cyber Physical Systems Security and Resiliency Center at NREL on April 27, 2016 at 3:30 PM EDT

NREL Smart Grid Educational Series Webinar.  Dr. Erfan Ibrahim, Director of Cyber Physical Systems Security and Resiliency Center at NREL on April 13, 2016 at 3:30 PM EDTFeatured speaker, William J. Miller, P21451-1-4, Chairman, who will discuss IoT/PowerMatcher Transactive Energy for Smart Cities

P21451-1 & P21451-1-4 F2F Meeting is planned for March 30, 2016 at NIST in Gaithersburg, MD

IoTDay 2016 on April 8th (Observed) at is now open for registration!  Please send your request to be a presenter to

IEEE 802.11ah now available for sensor networks in sub-gigahertz frequencies extending range in the 900 Mhz spectrum.

SGIP Transactive Energy getting real? February 23, 2016 at 1 PM EST by the NIST TE Modeling and Simulation Challenge for the Smart Grid

NIST TE Challenge Community Web Site

Virtual Transducer Electronic Data Sheets (vTEDS) web site to be launched to define interoperabilty for devices.

P21451-1-4 offers the most comprehensive standard for the Internet of Things including Resource Discovery, Provisioning, vTEDS (virtaul Transducer Electronic Datasheet, Tokenization, Health Status, and enhanced security to protect the confidentiality & privacy of device owner's.

IEEE SA Central Desktop has been replaced with

In the News:

P21451-1-4 to be used in "PowerMatcher" for Transactive Energy with Energy Flexibility - Power Interface (EF-PI) whcih is currently deployed in 6 cities including 1 in GermanyLindborg Systems AB promotes IoT XMPP

P21451-1 to offer a SDK so that product manufactures can build to the 21451 Smart Transducer Standard.

IEEE End-to-End Trust and Security for the Internet of Things Workshop, George Washington University, February 3, 2016

P21451-1-4 to collaborate with IEC TC57 on IEC 61850-8-2 Open Field Message Bus (OFMB)

P21451-1-4 participates in NIST Community Resilency Panel to increase awareness of sensors in homes and buildings

IEC 61850-8-2 OpenFMB (Open Field Message Bus) using XMPP has been developed by  IEC TC57

IEC 61850 Protocol mapping based on XMPP

W3C TF-DI briefed on December 17, 2015 on Websocket and IoT XEP Discovery/Provisioning

P21451-1-4 discussed at USDOT Smart City Challenge on December 15, 2015.  Meeting held at US Dept of Transportation in Washington, DC.

oneM2M recognizes IoT XEPs in          Protocol Analysis Report 06-12-14

P21451-1-4 to offer Streaming Instant Sensor Messaging (SISM) using XMPP Subprotocol for Websockets

P21451-1-4 to be used in Transactive Energy Test Bed Team utilizing PowerMatcher developed in the Netherlands.   The TE Test Beds will be offered in multiple cities to demonstrate a decentralized distributed approach to balance the power grid.  NIST TE Challenge meeting December 3-4, 2015.

P21451-1-4 presentation to W3C on IoT/PowerMatcher on December 3, 2015

New IoT Provisioning site by IPDX.NET baesd on P21451-1-4 providing global registration for Internet of Things (IoT): 

P21451-1-4 provisioning offers ability to allow IoT devices to be either Public or Private and determined by the owner of devices.   The devices can then be shared privately with only those that you trust.  This is a key element to address the confidentiality concern of IoT.

NIST Global Cities Team Challenge II on November 13-14, 2015 in Gaithersburg, MD.  

P21451-1-4 now offers the ability where various applications can utilize secure instant sensor message to provide notifications and alerts including environment, transportation, home and building automation, and in critical infrastructure applications such as water, waste, and the Smart Grid.

Virtual Transducer Electronic Data Sheets (vTEDS) as standard for "Interoperability" for Smart Transducers.

 Web based Management of IoT

P21451-1-4 to offer vTEDS that can be used by sensor developers to define the characteristics of their devices including mapping to other protocols.

P21451-1-4 to offer Health Transducer Electronic Data Sheet (hTEDS) as part of P21451-1 and P21451-1-4.

P21451-14 to participate in NIST TE Transactive Energy Challenge using "PowerMatcher" from Alliander in the Netherlands.

Google, Microsoft, and Mozilla to drop RC4 algorithm  in Chrome, I,E, Edge, and Foxfire in 2016.   (September 1, 2015)

New "iotdisco" URI has been accepted by IANA.  This will allow Things to be registered and provisioned as defined in ISO/IEC/IEEE P21451-1-4.

INDIN 2015 International Conference on Industrial Informatics - Anglia Ruskin University, Cambridge, UK - Kang Lee, Keynote Speaker (July 23, 2015)

P21451-1-4 presentation at W3C meeting -  William J. Miller, Speaker (July 22, 2015)

P21451-1-4 submits for a Provisional URI Scheme "iotdisco" Registration Application from Internet Assigned Numbers Authority (IANA).

Duke Energy Distributed Intelligence Platform Reference Architecture basis of SGIP OpenFMB

NIST Cloud Computing Forum and Workshop (July 7-11, 2015)

Internet Everywhere: The Future of History's Most Disruptive Technology

TV white space will connect the Internet of Things

NIST Cybersecurity for Smart Cities Infrastructure (May 27-28, 2015)

OAGi/NIST on Open Cloud Architectures for Smart Manufacturing  (May 5, 2015)

SPIE DSS Defense, Security, and Sensing    (April 21-23, 2015)

FCC Model City Workshop in Washington, DC April 15-16, 2015  

Ontology Summit face-to-face meeting in Arlington, VA April 13-14, 2015

NIST Cyber Physical Systems Public Working Group face-to-face meeting in Gaithersburg, MD on (April 7-8, 2015).

Rowan University has implemented          P21451-1 with P21451-1-4 XMPP Interface with congratulations to Dr. John Schmazlel,      Tom Morris and members of his team..

P21451-1 DRAFT STATUS  (Finalizing)

SPECIAL EDITORIAL - Special Issue on Advanced Smart Transducer Standards

Learn about the Global Critical Environments Challenge! This is an important initiative that will provide global situational awareness.

Learn about funding opportunities for your IoT projects from government agencies, and other groups interested in instant sensor messaging

#IotEvery9th Count Down (Sweden) - Joachim Lindborg

Global IoT Day 2015!  (April 9, 2015)

Ontology Summit 2015 - "Internet of Things Toward Smart Networked Systems and Services" - William Miller (January 21, 2015)

FOSDEM - Web of Things by Dr. Johannes Hund (January 31 - February 1, 2015)

FOSDEM - XMPP-IoT an open solution for things by Joachim Lindborg (January 31 - February 1, 2015)

XMPP in the world of IoT by Joachim Lindborg  (August 18, 2014)

NIST Global City Team Challenge Kick-off Meeting, (September 29-30, 2014)

IEEE IoT Workshop, Mountain View, CA         (Sept. 18-19, 2014)

SEGE'2014 International Smart Energy Grid Engineering - UOIT, Oshawa, Ontario Canada (August 11-13, 2014)

NIST Cyber Physical Systems Working Group, Gaithersburg, MD                      (August 11-12, 2014)

Seminar:  "Critical Thinking for Internet of Things (August 2014)

IEEE P21451-1 provides common universal formats used to communicate any protocol for the Internet of Things (IoT).

Special thanks to Craig K. Harmon of QED Systems, who recently passed away, who co-hosted our work on P21451-1-4.  I trust all members share our sorrow.  He will be missed and his dedication to development of ISO standards in the cargo logistics industry.

NIST Cyber Physical Systems Working Group (August 11-12, 2014)

IEEE SA P2413 IoT Reference Architecture Meeting Munich, Germany

SmartAmerica Challenge XMPP Test Bed Success   (June 14, 2014)

Science and Technology: Harnessing the Power of IoT (June 10, 2014)

SmartAmerica Challenge Exhibition, Washington, DC (June 11,2014)

Programmable Web - San Francisco, CA, Internet of Things, May 27-29, 2014

IoT Developers Day - Jaarbeurs Utrecht,   The Netherlands by Joachim Lindborg,     May 28, 2014

GeoWeb Summit - San Francisco, CA, Internet of Things May 21, 2014  

XMPP - Unified Communications for the Internet of Things, by Rikard Strid, Clayster, IoT Expo, NYC (June 12, 2014)

Transforming TEDS to offer assured interoperability, by Peter Waher

IoT Day 2014 - Washington, DC hosted by William Miller

IoT Day 2014 - Stockholm, Sweden           (April 9th, 2014)

Global Internet of Things Day 2014          (April 9th, 2014)

FOSDEM 2014 by Joachim Lindborg              (February 1-2, 2014)

NIST Intersection of Cloud and Mobility         (March 25-27, 2014)

IEC Meeting features "XMPP for WSN"      (February 25-26, 2014)


ISO/IEC/IEEE P21451-1-4 is now referred to as "Sensei/IoT*" and the 1st International Semantic Web 3.0 standard for Internet of Things (IoT). 

Welcome to Sensei-IoT*

We invite you to learn about our working group. is located in the  United States with 140 members world-wide.

Formed in 2013, "Sensei/IoT*" is the official logo of the ISO/IEC/IEEE P21451-1-4 Working Group a joint effort to develop a Unified Communications Architecture utilizing eXtensible Messaging and Presence Protocol (XMPP) a a draft and first International Standard for Semantic Web 3.0 and M2M/Internet of Things (IoT)..


















Internet of Things (IoT XEPs)

The followng XEPs are included by reference in ISO/IEC/IEEE P21451-1-4

XEP-0322 EXI Compression           
XEP-0332-IoT-HTTP over XMPP   
XEP-0336-Dynamic Forms
XEP-0337-Event Logging                 XEP-0347-IoT-Discovery                 
XEP-0348-Signing Forms

IETF RFC 7395                              XMPP Subprotocol for Websock

XMPP Server (*Plug-in's)

XEP-0322 OpenFire                            

All other IoT XEPs are client side  








Meeting Schedule (EDT):

P21451-1-4 DRAFT Review Meeting

(06/24)  9 AM (USA)                (06/24)  9 PM (CHINA)


IEEE SA IoT Ecosystem Study

IEEE Sensor Journal Special Edition

Smart Energy Systems  COMING 2016


Learning Internet of Things

Learn how to handle large scale sensor networks for the Internet of Things (IoT)  (Coming Soon!)