This presentation was recorded at GOTO Copenhagen 2023. #GOTOcon #GOTOcph
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Sam Newman - Microservices Expert & Author of "Building Microservices" & "Monolith to Microservice"
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ABSTRACT
What exactly does the word Asynchronous mean?
When it comes to distributed computing, one of the perennial topics comes down to how different services should communicate. Working out the relative merits of specific technical approaches can become a complex affair however, so we often reach for categorisation to simplify our work. Often, the discussion around inter-process communication hinges on what on the face of it seems to be a simple decision: Synchronous or Asynchronous. Just saying “we’re cloud native!” isn’t enough if you actually want to get anywhere, unless your goal is simply to dump loads of money into the hands of tech vendors and consultants.
Unfortunately, it turns out that this is far from a simple assessment of what approach is best. Aside from many nuances around this topic, the main issue is that it seems that people can’t even agree on what asynchronous means! Is it non-blocking clients?
Message-broker based communication? Does only inbox-based message passing apply?
In this talk, we’ll explore the meaning of asynchronous in the context of distributed systems, and show that using the same word in ever-so slightly different contexts causes a huge amount of confusion. [...]
TIMECODES
00:00 Intro
03:10 Synchronous vs asynchronous
09:57 What I found might shock you!
11:28 Reactive manifesto
15:06 Blocking calls
27:04 Broker-based request-response
32:39 Competing definitions
34:10 Context
40:05 Sociotechnical system
46:07 Outro
Download slides and read the full abstract here:
gotocph.com/2023/sessions/2908
RECOMMENDED BOOKS
Sam Newman • Monolith to Microservices • amzn.to/2Nml96E
Sam Newman • Building Microservices • amzn.to/3dMPbOs
Ronnie Mitra & Irakli Nadareishvili • Microservices: Up and Running• amzn.to/3c4HmmL Mitra, Nadareishvili, McLarty & Amundsen • Microservice Architecture • amzn.to/3fVNAb0
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#Asynchronous #DistributedSystems #CloudNative #SoftwareArchitecture #EDA #EventDrivenArchitecture #ReactiveManifesto #SamNewman
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