Shadow testing services

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2011-08-16

2011-08-16

Baderman, Scott T (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S028000, C714S031000, C714S037000

Reexamination Certificate

active

08001422

ABSTRACT:
A new service, or new version of an existing service, can be tested using actual production requests and services. A request received by a production service, along with the response generated by the production service, is forwarded to a shadow service. The shadow service forwards the request to the new service, which generates a test response and sends the test response back to the shadow service. The shadow service utilizes a comparison engine operable to compare the responses for significant differences. Any significant differences can be logged, reported on, or added to statistics for the new service being tested.

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