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CATEGORIES:College of Engineering,Lectures and Seminars,Thesis/Dissertation
 s
DESCRIPTION:Topic:  An efficient and secure messaging protocol (ESMP) for 
 interacting with microcontrollers over MQTT - A framework for creating dyn
 amic IoT hardware  Abstract: While the Internet of Things (IoT) is set to
  grow to 40 billion connected devices by 2030, developing an IoT product i
 s still incredibly complex. The process of developing a single IoT product
  requires a person (or team) to have expertise spanning firmware developme
 nt, hardware development, and web development. Due to the complexity durin
 g the development process, IoT products are often single purpose, communic
 ate using proprietary protocols to servers in unknown locations, and their
  functionality cannot be extended by a user after deployment. Research int
 o creating frameworks that allow machine to machine (M2M) communication an
 d simplified development, such as Firmata and ASIP, face limitations in ef
 ficiency, extensibility, and security.  This thesis proposes ESMP, an Eff
 icient and Secure Messaging Protocol. ESMP is designed for bi-directional 
 M2M communication, where both the server and the microcontroller use a com
 mon language to communicate. To do this, ESMP is combining Google’s Prot
 ocol Buffer format, the MQTT protocol, and security at the transport-layer
 .  ESMP messages use a “super message” design which wraps all sub-mes
 sages into a single schema to reduce the number of managed MQTT subscripti
 ons. It comprises a network architecture using MQTT where the embedded dev
 ice shares the same set of protocol buffer schemas with the MQTT broker. S
 ecurity at the application layer is approached using username/password aut
 hentication; unique client identification, and packet data is SSL-encrypte
 d. Whereas regular embedded firmware has predefined hardware behavior as p
 art of its firmware, the ESMP client is a “blank slate” that receives 
 commands from the ESMP broker. Using a RPC-like action mechanism, an ESMP 
 client allows a ESMP broker to dynamically control its hardware. An open-s
 ource GUI tool allows users to visually construct and send protocol buffer
  messages to an ESMP client.  An overhead evaluation of the payload showe
 d ESMP’s protocol buffer schema produced the smallest payload size when 
 compared to XML, JSON, and plain-text data encoding. The latency evaluatio
 n showed ESMP’s RTT latency to be slower than the ASIP baseline, but wit
 h this trade-off justified because the device communicates over WiFI rathe
 r than wired Ethernet, allowing it to be deployed anywhere in the field. T
 he viability of ESMP was proven by using ESMP to construct a real-world Io
 T application, a door sensor which sends its status to the ESMP broker whe
 n it is open. Finally, the extensibility of ESMP was validated by adding n
 ew functionality to ESMP with minimal impact to device flash/RAM utilizati
 on.  ESMP demonstrates a viable solution for efficient and secure M2M com
 munication for the IoT. It presents a way to extend the functionality of a
 n IoT product without compromising security or data efficiency. The feasib
 ility of this solution has been validated by its adoption into Adafruit’
 s WipperSnapper firmware, an open source IoT firmware deployed on thousand
 s of devices, enabling users to build IoT products and projects without pr
 ogramming.  Advisor(s): Dr. Hong Liu, Commonwealth Professor, Dept. of El
 ectrical & Computer Engineering, UMass Dartmouth  Committee Members: Dr. 
 Ruolin Zhou, Associate Professor, Dept. of Electrical & Computer Engineeri
 ng, UMass Dartmouth; Dr. Limor Fried, Founder & Engineer, Adafruit Industr
 ies Note: All ECE Graduate Students are encouraged to attend. All interest
 ed parties are invited to attend. Open to the public. For further informat
 ion, please contact Dr. Hong Liu email at hliu@umassd.edu Zoom Link:  htt
 ps://umassd.zoom.us/j/93281343753Meeting ID: 932 8134 3753 Passcode: 51824
 7\nEvent page: /events/cms/cpe-master-of-science-the
 sis-defense-by-brent-rubell---ece-department.php\nEvent link: https://umas
 sd.zoom.us/j/93281343753
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</script><p>Topic:  An efficient and secur
 e messaging protocol (ESMP) for interacting with microcontrollers over MQT
 T - A framework for creating dynamic IoT hardware </p>\n<p>Abstract: Whil
 e the Internet of Things (IoT) is set to grow to 40 billion connected devi
 ces by 2030\, developing an IoT product is still incredibly complex. The p
 rocess of developing a single IoT product requires a person (or team) to h
 ave expertise spanning firmware development\, hardware development\, and w
 eb development. Due to the complexity during the development process\, IoT
  products are often single purpose\, communicate using proprietary protoco
 ls to servers in unknown locations\, and their functionality cannot be ext
 ended by a user after deployment. Research into creating frameworks that a
 llow machine to machine (M2M) communication and simplified development\, s
 uch as Firmata and ASIP\, face limitations in efficiency\, extensibility\,
  and security. </p>\n<p>This thesis proposes ESMP\, an Efficient and Secu
 re Messaging Protocol. ESMP is designed for bi-directional M2M communicati
 on\, where both the server and the microcontroller use a common language t
 o communicate. To do this\, ESMP is combining Google’s Protocol Buffer f
 ormat\, the MQTT protocol\, and security at the transport-layer. </p>\n<p
 >ESMP messages use a “super message” design which wraps all sub-messag
 es into a single schema to reduce the number of managed MQTT subscriptions
 . It comprises a network architecture using MQTT where the embedded device
  shares the same set of protocol buffer schemas with the MQTT broker. Secu
 rity at the application layer is approached using username/password authen
 tication\; unique client identification\, and packet data is SSL-encrypted
 . Whereas regular embedded firmware has predefined hardware behavior as pa
 rt of its firmware\, the ESMP client is a “blank slate” that receives 
 commands from the ESMP broker. Using a RPC-like action mechanism\, an ESMP
  client allows a ESMP broker to dynamically control its hardware. An open-
 source GUI tool allows users to visually construct and send protocol buffe
 r messages to an ESMP client. </p>\n<p>An overhead evaluation of the payl
 oad showed ESMP’s protocol buffer schema produced the smallest payload s
 ize when compared to XML\, JSON\, and plain-text data encoding. The latenc
 y evaluation showed ESMP’s RTT latency to be slower than the ASIP baseli
 ne\, but with this trade-off justified because the device communicates ove
 r WiFI rather than wired Ethernet\, allowing it to be deployed anywhere in
  the field. The viability of ESMP was proven by using ESMP to construct a 
 real-world IoT application\, a door sensor which sends its status to the E
 SMP broker when it is open. Finally\, the extensibility of ESMP was valida
 ted by adding new functionality to ESMP with minimal impact to device flas
 h/RAM utilization. </p>\n<p>ESMP demonstrates a viable solution for effic
 ient and secure M2M communication for the IoT. It presents a way to extend
  the functionality of an IoT product without compromising security or data
  efficiency. The feasibility of this solution has been validated by its ad
 option into Adafruit’s WipperSnapper firmware\, an open source IoT firmw
 are deployed on thousands of devices\, enabling users to build IoT product
 s and projects without programming. </p>\n<p>Advisor(s): Dr. Hong Liu\, C
 ommonwealth Professor\, Dept. of Electrical & Computer Engineering\, UMass
  Dartmouth </p>\n<p>Committee Members: <br />Dr. Ruolin Zhou\, Associate 
 Professor\, Dept. of Electrical & Computer Engineering\, UMass Dartmouth\;
  <br />Dr. Limor Fried\, Founder & Engineer\, Adafruit Industries</p>\n<p>
 Note: All ECE Graduate Students are <strong>encouraged</strong> to attend.
  All interested parties are invited to attend. Open to the public.</p>\n<p
 >For further information\, please contact Dr. Hong Liu email at <a href="m
 ailto:hliu@umassd.edu">hliu@umassd.edu</a></p>\n<p>Zoom Link:  <a href="h
 ttps://umassd.zoom.us/j/93281343753">https://umassd.zoom.us/j/93281343753<
 /a><br />Meeting ID: 932 8134 3753 <br />Passcode: 518247</p><p>Event page
 : <a href="/events/cms/cpe-master-of-science-thesis-
 defense-by-brent-rubell---ece-department.php">/event
 s/cms/cpe-master-of-science-thesis-defense-by-brent-rubell---ece-departmen
 t.php</a><br>Event link: </p></body></html>
DTSTAMP:20260428T191705
DTSTART;TZID=America/New_York:20260506T110000
DTEND;TZID=America/New_York:20260506T130000
LOCATION:Lester W. Cory Conference Room, Science &amp; Engineering Building
  (SENG), Room 213A
SUMMARY;LANGUAGE=en-us:CPE Master of Science Thesis Defense by Brent Rubell
  - ECE Department
UID:4959cccde904c4930b8ce2685731301d@www.umassd.edu
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