IIoT, SCADA & Edge Connectivity worked example

Gateway Support Cost at 98% share of gateways under active support contract: a worked example

Push share of gateways under active support contract up to 98% and the picture changes. This example computes every intermediate figure at that operating point. Use it when an OT support lead is sizing the recurring support bill for a deployed edge gateway fleet (IoT Greengrass, Inductive Edge, Cisco IR1101, Siemens IOT2050) before the next budget cycle.

The inputs for this scenario

  • Deployed edge gateways: 320 gateways (unchanged)
  • Annual support cost per gateway: 180 $ / gateway-year (unchanged)
  • Share of gateways under active support contract: 98 % (raised for this scenario; the documented default is 85)
  • Fixed central support team cost: 55,000 $ / yr (unchanged)

Working through the calculation

  • Applying the documented formula (Variable gateway support cost = deployed gateways × support cost per gateway-year × share under active contract) to the inputs above produces each figure below.
  • At this operating point the engine returns 111,448 $ for total gateway support cost, the number this scenario is built around.
  • At this operating point the engine returns 348 $ / piece for support cost per gateway.
  • At this operating point the engine returns 56,448 $ for variable gateway support cost.
  • At this operating point the engine returns 55,000 $ for fixed central support team cost.

How this compares with the baseline

  • Against the tool's baseline example, where share of gateways under active support contract sits at 85% and the headline result is 103,960 $, this scenario comes in 7.2% above the baseline at 111,448 $.
  • It computes the variable support cost across gateways under active contract plus the fixed central team cost to give a total annual support spend and a blended cost per gateway. The value of this scenario is the size of the gap it exposes: that gap, priced out over a year, is the budget you can justify spending to close it.

Results at a glance

  • Total gateway support cost: 111,448 $ (headline result)
  • Support cost per gateway: 348 $ / piece
  • Variable gateway support cost: 56,448 $
  • Fixed central support team cost: 55,000 $

Run it with your numbers

  • Every input above is editable in the live Gateway Support Cost calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.