Nguyễn Đình ThuyênSystems · Perspective
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Notes & perspectives

Thinking out loud.
Keeping it useful.

Short perspectives on systems, work and paying attention.

Notes & perspectives

Thinking out loud.
Keeping it useful.

Short perspectives on systems, work and paying attention.

PERSONAL NOTES · 15 DEC 2025

Good systems leave room for mistakes.

Losing data changed the question I asked. Alongside protecting access, I needed to know how I would return if several familiar anchors disappeared together.

In my personal notebook, I divide a system into ROOT, CORE, BRANCH and LEAF. What matters to me is the order of priorities and the independence of recovery: preserve the foundation, rebuild the core, then return to tools that can be replaced.

  • A recovery path should not depend on the very thing that has been lost.
  • A copy is a starting point; the ability to retrieve it needs checking.
  • Instructions need to make sense even when the user is tired or under stress.
MARITIME

A satellite link is only the beginning.

An Internet terminal answers one part of the problem. The onboard network decides how the connection reaches the people and equipment that need it.

Start with the vessel’s routes and daily use, then map the router, switches, access points and critical devices. Agree who can access what and what happens when the primary link is unavailable.

  • Map the whole path, from terminal to user.
  • Separate needs before allocating capacity.
  • Make the final configuration understandable.
CREATIVE

Make room for attention.

A frame and a piece of music both ask what to keep and what to leave out. More detail does not automatically make either one stronger.

Film photography introduces a pause between seeing and reviewing. Music makes that pause audible through space, rhythm and silence. These are useful constraints: a chance to choose with more intention.

  • Observe before adding another element.
  • Let timing and texture carry part of the story.
  • Keep the detail that changes how it feels.
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