What is shadow deployment?

Shadow deployment routes a copy of production traffic to a new model without affecting user-facing results, enabling safe evaluation in production conditions.

How much shadow traffic do I need?

Use power analysis: n = (z_alpha + z_beta)^2 * 2*sigma^2 / delta^2 per day to detect minimum detectable effect within your evaluation window.

Shadow Deployment Traffic Percentage

Calculate minimum shadow traffic percentage needed to detect a performance difference of delta within T days given daily request volume.

Networking

Algorithms

Binary & Number

Systems

Dev Metrics

IP Subnet Calculator

IP Address

CIDR Prefix

Network

192.168.1.0

Broadcast

192.168.1.255

Subnet Mask

255.255.255.0

First Host

192.168.1.1

Last Host

192.168.1.254

Usable Hosts

254

Binary breakdown:

IP: 11000000.10101000.00000001.00000000

Mask: 11111111.11111111.11111111.00000000

Net: 11000000.10101000.00000001.00000000

How to Use

Enter the values for the patient or scenario you are assessing. Calculate minimum shadow traffic percentage needed to detect a performance difference of delta within T days given daily request volume. Use the shadow deployment result to inform your clinical assessment.

Related Calculators

Drift Detection

Cybersecurity & Machine Learning

Feature Freshness