Rob Sessink
@yucca.io
Mountainbiker and Snowboarder for fun!
Architect and (Dis)Integrator by trade.
Architect and (Dis)Integrator by trade.
Pinned
Autumn walk and finding abundant mushrooms on dead wood in the Slangenburg.
October 26, 2025 at 9:44 PM
Autumn walk and finding abundant mushrooms on dead wood in the Slangenburg.
Reposted by Rob Sessink
The idea of AI as a new abstraction for software keeps coming back – prompts as the source of truth, code as an artefact.
Why it won't work any time soon, even if things like non-determinsim and hallucination become solved problems.
Why it won't work any time soon, even if things like non-determinsim and hallucination become solved problems.
Why AI won’t work as a software development abstraction | Rob Bowley
blog.robbowley.net
October 2, 2025 at 11:27 AM
The idea of AI as a new abstraction for software keeps coming back – prompts as the source of truth, code as an artefact.
Why it won't work any time soon, even if things like non-determinsim and hallucination become solved problems.
Why it won't work any time soon, even if things like non-determinsim and hallucination become solved problems.
September 9, 2025 at 7:47 PM
Reposted by Rob Sessink
Coordination is not free -- And the corollary, the more systems (of software or people ) need to interact to make change, the higher the cost
September 1, 2025 at 3:17 AM
Coordination is not free -- And the corollary, the more systems (of software or people ) need to interact to make change, the higher the cost
Reposted by Rob Sessink
Where does reliability begin, and where does it end? In distributed business architectures, the answer is responsibility boundaries. New post: jack-vanlightly.com/blog/2025/7/...
Responsibility Boundaries in the Coordinated Progress model — Jack Vanlightly
Building on my previous work on the Coordinated Progress model, this post examines how reliable triggers not only initiate work but also establish responsibility boundaries . Where a reliable tri...
jack-vanlightly.com
July 15, 2025 at 2:16 PM
Where does reliability begin, and where does it end? In distributed business architectures, the answer is responsibility boundaries. New post: jack-vanlightly.com/blog/2025/7/...
Reposted by Rob Sessink
everything is terrible so here’s the swedish chef doing rapper’s delight
July 11, 2025 at 3:28 AM
everything is terrible so here’s the swedish chef doing rapper’s delight
Reposted by Rob Sessink
People say that to be relevant in the cloud again, you first have to spend dozens of billions on data centers before you can meaningfully compete. But this is entirely not the case. US clouds are in practice not cheap at al and the cloud does not scale like a factory: berthub.eu/articles/pos...
The cloud is not an outclassed chemical plant - Bert Hubert
There is a lot of recent discussion about digital autonomy and Europe’s “position in the cloud”.
Here, I want to break down and refute a commonly made argument: that the lead of American cloud provide...
berthub.eu
July 11, 2025 at 8:47 AM
People say that to be relevant in the cloud again, you first have to spend dozens of billions on data centers before you can meaningfully compete. But this is entirely not the case. US clouds are in practice not cheap at al and the cloud does not scale like a factory: berthub.eu/articles/pos...
Reposted by Rob Sessink
📋 Input gevraagd voor de consultatie van de REST API Design Rules 2.0.0!
Onze collega's van @forumstandaardisatie horen graag jouw mening voordat deze op de "Pas toe of leg uit"-lijst zal belanden.
https://developer.overheid.nl/blog/2025/07/09/nederlandse-profielen-op-cloudevents
Onze collega's van @forumstandaardisatie horen graag jouw mening voordat deze op de "Pas toe of leg uit"-lijst zal belanden.
https://developer.overheid.nl/blog/2025/07/09/nederlandse-profielen-op-cloudevents
Consultatie NL Profiel CloudEvents en REST API Design Rules 2.0.0 | developer.overheid.nl
Forum Standaardisatie toetst het verplichten ("Pas toe of leg uit") van NL GOV profile for CloudEvents en NLGov Rest API Design Rules 2.0 aan de overheid. Via internetconsultatie.nl kunt u beide voorstellen bekijken en uw mening geven. Dit kan tot en met dinsdag 5 augustus. Uw inbreng is van groot belang.
developer.overheid.nl
July 9, 2025 at 1:33 PM
📋 Input gevraagd voor de consultatie van de REST API Design Rules 2.0.0!
Onze collega's van @forumstandaardisatie horen graag jouw mening voordat deze op de "Pas toe of leg uit"-lijst zal belanden.
https://developer.overheid.nl/blog/2025/07/09/nederlandse-profielen-op-cloudevents
Onze collega's van @forumstandaardisatie horen graag jouw mening voordat deze op de "Pas toe of leg uit"-lijst zal belanden.
https://developer.overheid.nl/blog/2025/07/09/nederlandse-profielen-op-cloudevents
Reposted by Rob Sessink
On real problems, one cannot define away the complexity of the world in the interest of devising an elegant solution.
- preface to Software Fundamentals, Parnas.
- preface to Software Fundamentals, Parnas.
June 21, 2025 at 4:01 PM
On real problems, one cannot define away the complexity of the world in the interest of devising an elegant solution.
- preface to Software Fundamentals, Parnas.
- preface to Software Fundamentals, Parnas.
Reposted by Rob Sessink
How to reliably distribute work across microservices, stream processors, durable execution, event-driven, orchestration and now AI agents?
Coordinated Progress is a 4 part series that explores the common structure behind reliable distributed systems.
jack-vanlightly.com/blog/2025/6/...
Coordinated Progress is a 4 part series that explores the common structure behind reliable distributed systems.
jack-vanlightly.com/blog/2025/6/...
Coordinated Progress – Part 1 – Seeing the System: The Graph — Jack Vanlightly
At some point, we’ve all sat in an architecture meeting where someone asks, “ Should this be an event? An RPC? A queue? ”, or “ How do we tie this process together across our microservices? Should it ...
jack-vanlightly.com
June 11, 2025 at 2:29 PM
How to reliably distribute work across microservices, stream processors, durable execution, event-driven, orchestration and now AI agents?
Coordinated Progress is a 4 part series that explores the common structure behind reliable distributed systems.
jack-vanlightly.com/blog/2025/6/...
Coordinated Progress is a 4 part series that explores the common structure behind reliable distributed systems.
jack-vanlightly.com/blog/2025/6/...
Reposted by Rob Sessink
May 4, 2025 at 12:10 PM
Reposted by Rob Sessink
I stumbled across this essay as I was falling asleep last night, and left myself multiple emphatic reminders to remember to circle back to it today.
"The joy we're about to lose...we'll become overseers rather than creators, managers rather than builders."
annievella.com/posts/the-so...
"The joy we're about to lose...we'll become overseers rather than creators, managers rather than builders."
annievella.com/posts/the-so...
The Software Engineering Identity Crisis - Annie Vella
Many of us became software engineers because we found our identity in building things. Not managing things. Not overseeing things. Building things. With our own hands, our own minds, our own code.
But...
annievella.com
March 26, 2025 at 10:59 PM
I stumbled across this essay as I was falling asleep last night, and left myself multiple emphatic reminders to remember to circle back to it today.
"The joy we're about to lose...we'll become overseers rather than creators, managers rather than builders."
annievella.com/posts/the-so...
"The joy we're about to lose...we'll become overseers rather than creators, managers rather than builders."
annievella.com/posts/the-so...
Reposted by Rob Sessink
"We need to embrace the idea that some failures are inevitable. It's too expensive to try to prevent them completely. Instead we should focus on making sure we can detect issues quickly and compensate for them when they arise."
What Starbucks can teach us about software scalability
In 2004, Gregor Hohpe published his brilliant post “Starbucks Does Not Use Two-Phase Commit.” When I read it, my time working at Starbucks during my college years suddenly became relevant. Over the…
particular.net
March 20, 2025 at 7:33 PM
"We need to embrace the idea that some failures are inevitable. It's too expensive to try to prevent them completely. Instead we should focus on making sure we can detect issues quickly and compensate for them when they arise."
Reposted by Rob Sessink
First days near Kyiv, a pilot boarding his jet after a russian strike on the airbase
March 15, 2025 at 6:24 AM
First days near Kyiv, a pilot boarding his jet after a russian strike on the airbase
Reposted by Rob Sessink
Hear me out: the U.S. should invest in a strategic UUID reserve
March 8, 2025 at 10:14 PM
Hear me out: the U.S. should invest in a strategic UUID reserve
Reposted by Rob Sessink
March 2, 2025 at 5:47 PM
Does anybody have experience and resources on how well an
#event-driven-architecture or #messaging architecture are supported by the major observability platforms using opentelemetry?
#tracing #observability #opentelemetry
#event-driven-architecture or #messaging architecture are supported by the major observability platforms using opentelemetry?
#tracing #observability #opentelemetry
February 13, 2025 at 5:56 PM
Does anybody have experience and resources on how well an
#event-driven-architecture or #messaging architecture are supported by the major observability platforms using opentelemetry?
#tracing #observability #opentelemetry
#event-driven-architecture or #messaging architecture are supported by the major observability platforms using opentelemetry?
#tracing #observability #opentelemetry
Reposted by Rob Sessink
Reposted by Rob Sessink
Reposted by Rob Sessink
Er gaan wereldwijd steeds meer geluiden op om het monopolie van Big Tech te breken en weer een internet te creëren dat van en voor iedereen is. Tegenlicht spreekt met pioniers en vernieuwers die zich inzetten voor een een beter, gezonder internet dat rekening houdt met onze mensenrechten:
Kijk hier Tegenlicht-uitzending Error 404: het internet in crisis
Het World Wide Web, ooit symbool van hoop en vrijheid, is 35 jaar later uitgegroeid tot een web van commerciële belangen, afhankelijkheid en desinformatie. Een aantal grote techbedrijven bepaalt wat w...
www.vpro.nl
January 6, 2025 at 9:57 AM
Er gaan wereldwijd steeds meer geluiden op om het monopolie van Big Tech te breken en weer een internet te creëren dat van en voor iedereen is. Tegenlicht spreekt met pioniers en vernieuwers die zich inzetten voor een een beter, gezonder internet dat rekening houdt met onze mensenrechten:
Reposted by Rob Sessink
Places to Intervene in a System, illustrated by Sam Bradd and adapted from Donella Meadows
Sam Bradd: www.sfu.ca/complex-syst...
Donella Meadows: donellameadows.org/archives/lev...
Sam Bradd: www.sfu.ca/complex-syst...
Donella Meadows: donellameadows.org/archives/lev...
Places to Intervene
www.sfu.ca
January 3, 2025 at 8:36 PM
Places to Intervene in a System, illustrated by Sam Bradd and adapted from Donella Meadows
Sam Bradd: www.sfu.ca/complex-syst...
Donella Meadows: donellameadows.org/archives/lev...
Sam Bradd: www.sfu.ca/complex-syst...
Donella Meadows: donellameadows.org/archives/lev...
Reposted by Rob Sessink
CloudEvents might contain payloads which are subjected to data protection regulations like GDPR or HIPAA. Using the data-classification extension one can now communicate the classification level, category (type or sensitivity) and applicable regulations.
#cloudevents
github.com/cloudevents/...
#cloudevents
github.com/cloudevents/...
github.com
December 23, 2024 at 7:22 PM
CloudEvents might contain payloads which are subjected to data protection regulations like GDPR or HIPAA. Using the data-classification extension one can now communicate the classification level, category (type or sensitivity) and applicable regulations.
#cloudevents
github.com/cloudevents/...
#cloudevents
github.com/cloudevents/...