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ELI5: For any sufficiently complex enterprise system (e.g. LinkedIn, or Google), any plain vanilla architecture is infeasible for lift & shift. Moreover, the v

ELI5: For any sufficiently complex enterprise system (e.g. LinkedIn, or Google), any plain vanilla architecture is infeasible for lift & shift. Moreover, the vanilla services may not comply with internal security requirements, or play nicely with internal CI/CD tools, or internal databases / data structures / data processing pipelines / analytics.

mecsred 3y ago
No five year old is going to understand a single sentence of that.
- calvin 3y ago
  ELI40YO Engineer
  - that_guy_iain 3y ago
    Still need it dumbed down a bit /s
- maronato 3y ago
  You spend a week building a castle with legos, and suddenly your mom asks if you can change some parts to use the new <lego competitor>. You can try to make the old and new parts fit together, but it isn’t going to be easy most of the time, and you can’t be certain that the lego competitor will have the same pieces or do the same things as your lego version. By the time you are done redoing those parts, you’ll end up having to recreate large portions of your castle to make everything work together again, and even then you might miss something important that breaks a functionality of your castle.
- mypetocean 3y ago
  Maybe in this case "ELI5" stands for "Explain it like I have 5 yrs experience in software development but gave up in year two"?
- eitally 3y ago
  Arguably, if the five year old was reading hacker news, they might. :) Point taken, though, but honestly this doesn't seem like the place to simplify things to quite to 5Yo level.
_cenw 3y ago
That's all correct in theory, but in my experience these things still happen and are usually outgrowths of bad engineering culture / shadow IT / not wanting to be reliant on your cloud infra / platform team (often for irrational reasons, sometimes not). They get built with entire teams taking responsibility on paper, but then before you know it, nobody from that team still works at the company or on that team. Usually these systems are also GDPR nightmares if they contain user data, because these people don't understand when you tell them they need to have a plan for deleting user data. They don't even consider it a legal barrier, they think you're putting stones in their way. I've been on enough Cloud Archeology expeditions into the land of VMs where nobody knows what they do, it might as well be my job title now.
_rutinerad 3y ago
My five-year-old loves her complex enterprise system.

mecsred 3y ago

No five year old is going to understand a single sentence of that.

calvin 3y ago
ELI40YO Engineer
- that_guy_iain 3y ago
  Still need it dumbed down a bit /s
maronato 3y ago
You spend a week building a castle with legos, and suddenly your mom asks if you can change some parts to use the new <lego competitor>. You can try to make the old and new parts fit together, but it isn’t going to be easy most of the time, and you can’t be certain that the lego competitor will have the same pieces or do the same things as your lego version. By the time you are done redoing those parts, you’ll end up having to recreate large portions of your castle to make everything work together again, and even then you might miss something important that breaks a functionality of your castle.
mypetocean 3y ago
Maybe in this case "ELI5" stands for "Explain it like I have 5 yrs experience in software development but gave up in year two"?
eitally 3y ago
Arguably, if the five year old was reading hacker news, they might. :) Point taken, though, but honestly this doesn't seem like the place to simplify things to quite to 5Yo level.

_cenw 3y ago

That's all correct in theory, but in my experience these things still happen and are usually outgrowths of bad engineering culture / shadow IT / not wanting to be reliant on your cloud infra / platform team (often for irrational reasons, sometimes not). They get built with entire teams taking responsibility on paper, but then before you know it, nobody from that team still works at the company or on that team. Usually these systems are also GDPR nightmares if they contain user data, because these people don't understand when you tell them they need to have a plan for deleting user data. They don't even consider it a legal barrier, they think you're putting stones in their way. I've been on enough Cloud Archeology expeditions into the land of VMs where nobody knows what they do, it might as well be my job title now.

_rutinerad 3y ago

My five-year-old loves her complex enterprise system.