Talk

Build your Own Embedded Middleware

Andreas Jarosch

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40:12

EOC 2024

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Andreas Jarosch

Andreas Jarosch is a passionate engineer with two engineering degrees - one in software and one in electrical engineering. He has been working in automotive Systems-/Software engineering at Daimler and BMW for the past 15 years in various roles and thus experiencing SW series development from various exciting angles. Currently, he is the responsible SW-Lead defining the new SW-Architecture-Platform for the upcoming generation of vehicle displays and bringing it into series, collaborating with various suppliers from all over the world. He enjoys this international interaction, engaging with smart and motivated SW-experts and solving the puzzles, which the embedded universe throws at him.

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Topics Covered

IoT Connectivity Architecture Software Design

Talk

Build your Own Embedded Middleware

Andreas Jarosch

40:12 EOC 2024

Andreas Jarosch

40:12

This talk aims to provide attendees with a basic understanding of middleware, its relationship with distributed systems, communication protocols, and the system structure of an embedded system. With these fundamentals in place, attendees will be introduced to a toolbox of design patterns that can be used to systematically design a message-based middleware that is tailored to the problems at hand. This talk will be a great opportunity for attendees to learn about the latest trends and best practices in middleware design and implementation.

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According to Andreas Jarosch's presentation, which statement best matches his general definition of middleware?

A A hardware layer that connects different physical devices and routers.

B Software that provides complex services beyond lower-level system software to support higher-level software, insulating developers from low-level details.

C A thin wrapper around the operating system with no additional services.

D Only a network protocol used exclusively in enterprise IT systems.

E An alternative name for an operating system kernel.

What is the primary architectural advantage of using message-oriented middleware (MOM) in embedded systems, as emphasized in the talk?

A It guarantees real-time hard deadlines without additional design work.

B It enforces a single OS across all nodes to simplify development.

C It allows application modules to be distributed across heterogeneous platforms and reduces networking complexity for application developers.

D It eliminates the need for any IPC mechanisms inside a node.

E It replaces the need for middleware developers, as application developers no longer need to understand communication.

When does the speaker say you must choose networked IPC instead of single-host IPC?

A Always choose networked IPC for maximum flexibility, regardless of performance cost.

B Use networked IPC when the interacting procedures run on separate hosts; single-host IPC is often faster when processes are on the same host.

C Choose single-host IPC only if you have no network stack available, otherwise always use single-host IPC.

D Prefer raw sockets for all IPC because middleware adds unnecessary overhead.

E Only use networked IPC for enterprise systems; embedded systems should never use it.

What approach to distribution transparency does Andreas Jarosch recommend?

A Always aim to make distribution completely transparent to users and developers, no matter the complexity.

B Hide distribution details from stakeholders whenever possible to simplify interfaces.

C Do not fake full transparency; perform a stakeholder-based evaluation and set target transparency levels for each stakeholder, making distribution explicit when appropriate.

D Ignore transparency concerns; they rarely matter in embedded systems.

E Require application developers to implement all session and presentation functionality to ensure transparency.

How does the speaker suggest using the book Enterprise Integration Patterns when building embedded middleware?

A Do a direct copy-and-paste of its enterprise patterns into embedded projects without modification.

B Avoid it entirely—enterprise patterns are irrelevant to embedded systems.

C Use it as a comprehensive pattern language and toolbox, but thoughtfully adapt and cherry-pick patterns to the embedded context rather than copying them verbatim.

D Replace all architectural documentation with the book's diagrams since patterns are self-explanatory.

E Treat the book as a prescriptive implementation manual that removes the need for protocol design or adaptation.

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Upvotes Newest Oldest

Thomas.Schaertel

Score: 0 | 2 years ago | 1 reply

Hi Andreas, that was a fast paced talk full of information! Well done! I highly recommend your talk, also the book recommendations are invaluable! Hope to hear more from you on embeddedrelated.com.
Thank you

Thomas

Andreas-JSpeaker

Score: 0 | 2 years ago | no reply

Hi Thomas,
thank you for your kind words! I am really glad to hear you like the talk!

Yeah, the books are a treasure trove!
It was a pleasure rereading them over and over for the talk preparation, I usually use them in a more reference on demand fashion…glad you liked them, too! Feel free to comment if something is missing!

Regarding the full content - Engineering Mindset: Online, there is 0.9 Speed or a pause buttons 🤓😜

Thanks for taking your time to join my session! 🙃 Enjoy the conference!

Scott_H

Score: 0 | 2 years ago | 1 reply

Adding reading materials for further detail is a great touch, I've added a couple to my shopping list.

Andreas-JSpeaker

Score: 0 | 2 years ago | no reply

Thank you for your feedback Scott - great to hear you liked the booklist idea and even better you found something useful to augment your library!
I am always interested in getting classics, so if you feel something is missing, please share!

Thanks for taking your time to join my session! 🙃 Enjoy the conference!

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