In this episode, Walker Reynolds shares his key takeaways and insights from attending Hannover Messe 2024. Walker discusses the scale and growth of the industrial IoT community he experienced at the massive trade show. He also evaluates the state of technologies like generative AI, edge computing, and containerization based on demos and conversations. Some highlights covered include: - Observations on cultural differences attending a large event in Germany - Disappointments with legacy vendors like OPC Foundation and Microsoft booth - Promising startups and newer solutions seen, especially around AI and edge - Standards that could be improved to better serve industrial use cases - Dell's "Native Edge" platform for deploying infrastructure at scale - Community reception and interactions exceeding all expectations Walker also previews upcoming content like publishing his Litmus fireside chat and individual deep dives. He proposes a new "Prove It" conference concept for vendors to showcase value. Be sure to listen for Walker's candid perspectives on the latest from Hannover Messe. This debrief is full of insights for anyone working at the intersection of industry and technology.

Introduction

• Overview of MQTT sparkplug protocol origins and its evolution. Timestamp: 0:00

Early MQTT Developments

• Anandi recounts the early development of MQTT from its inception through its current applications.
• Historical perspective on SCADA systems and communication protocols during the 1980s and 1990s, featuring discussions on the use of 300 baud modems and DEC PDP 11. Timestamp: 4:53

Transition in SCADA Technologies

• Detailed exploration of SCADA technology advancements in the 1990s and the impact of deregulation on service providers. Timestamp: 9:57
• Evolution of MQTT as a messaging protocol for industrial automation, its adoption by Phillips 66, and its development into a more efficient protocol. Timestamp: 16:49

Sparkplug Protocol Development

• Origin and development of Sparkplug A and its evolution into Sparkplug B for improved efficiency and open-source accessibility. Timestamp: 22:04
• Discussion on the broader application of MQTT and Sparkplug in process control and beyond, emphasizing community-driven expansions and usage. Timestamp: 27:13

Technical Deep Dive into MQTT and Sparkplug

• Exploring the technical specifics of MQTT and Sparkplug protocols, including their architecture, data efficiency, and reliability improvements. Timestamp: 35:28
• Panel discussion on expanding MQTT broker capabilities and the need for standardized MQTT plugins. Timestamp: 40:46

Integration and Standardization Efforts

• Utilizing MQTT and OPC UA for enhanced IoT data communication and the challenges with standardization. Timestamp: 46:29
• Approaches to using MQTT and Sparkplug for effective data integration and management. Timestamp: 53:30

Data Management and Quality of Service

• Focus on using Snowflake for unified data management and preserving schema integrity. Timestamp: 57:48
• Examination of Quality of Service (QoS) in SCADA systems, addressing safety concerns and data integrity. Timestamp: 1:02:29

Infrastructure and Security

• Discussion on IoT infrastructure improvements, TCP vs. UDP protocols, and the importance of message ordering in industrial communications. Timestamp: 1:08:08
• Insights into MQTT security enhancements and the implementation challenges of new versions of the spark plug standard. Timestamp: 1:12:18

Improving Messaging Architecture

• Suggestions for enhancing Sparkplug messaging architecture, including the use of hierarchical structures and smart subscriptions. Timestamp: 1:18:02

Cloud Computing and Standardization

• Deliberation on the impact of cloud computing on data management, emphasizing the role of Snowflake and the standardization efforts around Sparkplug. Timestamp: 1:23:51

These notes outline the key topics and discussions held during the podcast, providing listeners with a clear roadmap of the content and the timestamps for specific segments.