Break a WiFi application's round-trip latency target into access, transport, processing, and jitter allowances. The calculator shows how much of the target is already assigned, identifies the largest component, and reports the margin that remains. Use it to make an early voice, gaming, remote desktop, or interactive-app design review more concrete before testing the network under load.
A positive main result is unallocated round-trip margin. Zero means every millisecond is assigned, while a negative result shows how far the component plan exceeds the target.
Use the same measurement direction for every input. This calculator expects round-trip milliseconds and does not include unspecified client or server work.
A 80 ms target with 12 ms access, 24 ms transport, 18 ms processing, and 10 ms jitter allowance allocates 64 ms. The remaining budget is 16 ms.
It is the target round-trip latency minus the entered radio, transport, processing, and jitter allowances. A negative value means the component plan exceeds the target.
Use round-trip values throughout this calculator. Mixing one-way and round-trip measurements makes the result invalid.
Variation can force buffering or create deadline misses. Reserving a jitter allowance keeps the design from consuming the entire target with average delay.
Not directly, but congestion and serialization can add delay when demand approaches capacity. Test the latency budget under realistic load.
It estimates a network budget from entered components. Client work, server execution, retries, and application logic may add delay outside this model.
| Variable | Meaning | Unit |
|---|---|---|
| Target | Maximum desired round-trip delay | ms |
| Access | Radio or local access path | ms RTT |
| Transport/core | Backhaul, core, and routed transport | ms RTT |
| Processing | Edge or application execution allowance | ms |
| Jitter allowance | Reserved variation margin | ms |