I Made Everything Loosely Coupled. Does My App Fall Apart? • Gregor Hohpe • GOTO 2022

This presentation was recorded at GOTO EDA Day 2022. #GOTOcon #GOTOeda #GOTOldn

Gregor Hohpe - AWS Enterprise Strategist

ABSTRACT
Integrating systems provides many benefits, from seamless user experiences, consolidated data for better insights, or interacting with partner ecosystems. And the modern cloud applications that we are building are fine-grained and thus inherently interconnected. Despite having connected systems for decades, some of the fundamental concepts of partial failure, eventual consistency, or idempotency still challenge many developers.

This session tackles the nuances of integrated systems, such as messages vs. events, thinking in integration patterns, whether loose coupling is always better, and how cloud automation can change the way you think about integration. [...]

TIMECODES
00:00 Intro
03:04 Thinking like an architect
08:55 Of boxes & lines
14:06 Drawing a line
20:16 Connections & coupling
27:55 Messages & Events
40:38 Composition, cloud-style
47:29 Outro

Read the full abstract here:

RECOMMENDED BOOKS

#EventDrivenArchitecture #EDA #SoftwareArchitecture #AWS #Serverless #EventDriven #GregorHohpe #Coupling #Connection #LooselyCoupled #Events #EventBased #EventSourced #Orchestration #Eventing #Cloud #CloudNative #CDK

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Question for you: What’s your biggest takeaway from this video? Let us know in the comments! ⬇

[rimus]

Enterprise Integration Patterns was a game changer for me, to this day it's the one book that travels with me no matter what project I work on, I bring my paper copy of it religiously since around 2007 or 2008 :D

[rakeshbhat]

Thanks for the brilliant session, EDA simplified.

[RoamingAdhocrat]

loose coupling is _catastrophic_ for freight trains

[ismailm]

Fantastic session, really enjoyed this some real pearls of wisdom.

[everythingiscoolio]

46:24 I've always felt that this could be taken WAY further than it is. Also that chain doesn't look like it's all on the same level of abstraction. I understand the "ease" of use, but what I really see is some kind of lambda factory, something I've always found extremely ugly and barely ever really needed (and hard to change). It's a good one-liner, though. Interesting talk! Thank you for sharing.

[alessandrob.g.]

Which book is the 700-page book he mentioned about loose coupling?

[Baekstrom]

My father was an architect. He died at the age of 59.

[nemesis]

Honestly, it was a little bit boring. I saw much more captivating keynotes. And in the end I got no answer to the question... Does it fall apart? :)

[--Nath--]

I've watched a couple of videos with Gregor hoping.. or Hohpeing.. I hear how he says his last name, and once again no joy.

[NaveenSiddareddy]

business rules need to be surfaced to user in 2023 and beyond.. not hidden in code. missing piece is event modeling that makes sense to business user. history book is collection of events but how world map changed over time is modeling based on business rules.