Technology studio

We build things properly,
close to the wire.

ComputingSphere is an independent technology studio. We work down at the systems level — low-level engineering, real infrastructure, and the communication protocol stacks that tie it together — built to be understood end-to-end, not stitched together from parts we don't fully control.

Decode a DNP3 frame — no account needed →

Our product

ComputingSphere DNP3

Import a DNP3 capture and get a report that says what is wrong — RTU by RTU, in plain words.

Every message classified

Messages by group/variation and function code, and how many responses carried each IIN bit.

74 messages
  • 60/2 Class data32
  • 1/2 Binary input32
  • 30/0 Analog input5
  • 30/2 Analog input5

One RTU of a real substation capture.

Latency, RTU by RTU

Response time p50 and p99 of every RTU, and a finding when one lags behind.

  • 8701112 / 3025
  • 46251355 / 2159
  • 2409468 / 1549
  • 1324395 / 918
  • 1342482 / 785
  • 3289529 / 666
  • 1520361 / 452
  • 2893220 / 271

p50 p99 · ms · 8 of the 30 RTUs behind one real gateway.

4 15 11

A verdict for every RTU

Stopped clocks, time drift, event buffer overflow, unanswered requests, failed commands — found and written for you.

Your template

Standardized reports

Your cover, sections, verdict and findings, saved as an organization template and printed to PDF.

Field by field

Homologation baseline

Save the exchange you approved and compare every later capture against it, after a firmware or gateway change.

−80%

Chatter & threshold simulator

Replay real values through the filters and see what reaches the operator — here, 80% less traffic from a chattering breaker.

See how our complete DNP3 analysis solution works →

Free plan: 1,000 DNP3 messages a month, no credit card.

How we work

Depth over breadth

We pick hard problems and go all the way down. Everything here is engineering-first — from the field protocols to the systems that run on them — to deliver tools that are solid, predictable and easy to integrate.

  • Close to the metal

    Infrastructure, protocols, wire formats — the layer most teams never touch is where we live.

  • Build for the long run

    Boring, stable foundations beat whatever's trending. Fewer moving parts to babysit, more attention for what actually matters.

  • Everything behind one door

    One sign-in, every service, the whole domain. Nothing is reachable until you've authenticated.

Get in touch

Let's talk about your system.

We build tools for industrial communication protocols and supervisory systems, engineered at the systems level with reliability first. To evaluate DNP3 on your own traffic or ask a technical question, talk to our team.

contact@computingsphere.com