Search Ctrl K
Home / Tools
THE FEUTEX TOOLKIT

TCP Timeout Backoff Budget

Estimate cumulative waiting time across a bounded sequence of doubled retransmission timers.

Networking workspace● Runs in your browser
01 Your input
02 Your result
View or copy raw result data
Formulawait=RTO0(2ᴺ−1); nextRTO=RTO0 2ᴺ
Sources and model references

How to use this tool

  1. Enter the labeled inputs in the indicated units.
  2. Calculate and compare every output against the stated model assumptions.

Try this example

{
  "initial": 1,
  "retries": 5
}

Accuracy and scope

Pure exponential backoff without a configured cap, new RTT samples or retry termination. Simplified analytical model; not a design recommendation or safety certification.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.