Abstract

The objective of this paper is to develop a controller-centric combinatorial wrap-around interaction testing methodology for a stateful path computation element (PCE)-based transport network architecture. By exploiting the internal contexts of the controller-centric network in conjunction with combinatorial, wrap-around, and interaction testing methodologies, the proposed testing methodology helps test engineers build a highly configurable testing environment, select high-quality test cases to obtain the best possible combination of interactions, and prune fault cases or useless cases from all possible test cases throughout the entire development process as gray-box testing. The experimental results verify that the combined testing methodology effectively evaluates the controller-centric network for all testing processes in a completely controlled environment.

© 2017 Optical Society of America

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