EMACSWAY_LOG Telegram 188
Архитектура ИТ-решений
Талант Кента Бека - автора экстремального программирования (XP), заключается в формулировании едва осознаваемых вещей понятными и простыми словами. Его очередная заметка: https://medium.com/@kentbeck_7670/monolith-services-theory-practice-617e4546a879
Это нужно выделить отдельно. Более простого объяснения более важных вещей в IT-индустрии я пока еще не встречал:

📝 "These were elucidated in the mid-70s by Yourdon & Constantine in "Structured Design" https://amzn.to/2GsuXvQ and haven’t changed.

Their argument goes like this:

1. We design software to reduce its cost.

2. The cost of software is ≈ the cost of changing the software.

3. The cost of changing the software is ≈ the cost of the expensive changes (power laws and all that).

4. The cost of the expensive changes is generated by cascading changes — if I change this then I have to change that and that, and if I change that then…

5. Coupling between elements of a design is this propensity for a change to propagate.

6. So, design ≈ cost ≈ change ≈ big change ≈ coupling. Transitively, software design ≈ managing coupling.

(This skips loads of interesting stuff, but I’m just trying to set up the argument for why rapid decomposition of a monolith into micro-services is counter-productive.)"

- "Monolith -> Services: Theory & Practice" by Kent Beck
https://medium.com/@kentbeck_7670/monolith-services-theory-practice-617e4546a879



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Это нужно выделить отдельно. Более простого объяснения более важных вещей в IT-индустрии я пока еще не встречал:

📝 "These were elucidated in the mid-70s by Yourdon & Constantine in "Structured Design" https://amzn.to/2GsuXvQ and haven’t changed.

Their argument goes like this:

1. We design software to reduce its cost.

2. The cost of software is ≈ the cost of changing the software.

3. The cost of changing the software is ≈ the cost of the expensive changes (power laws and all that).

4. The cost of the expensive changes is generated by cascading changes — if I change this then I have to change that and that, and if I change that then…

5. Coupling between elements of a design is this propensity for a change to propagate.

6. So, design ≈ cost ≈ change ≈ big change ≈ coupling. Transitively, software design ≈ managing coupling.

(This skips loads of interesting stuff, but I’m just trying to set up the argument for why rapid decomposition of a monolith into micro-services is counter-productive.)"

- "Monolith -> Services: Theory & Practice" by Kent Beck
https://medium.com/@kentbeck_7670/monolith-services-theory-practice-617e4546a879

BY emacsway-log: Software Design, Clean Architecture, DDD, Microservice Architecture, Distributed Systems, XP, Agile, etc.


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