Constraint Programming (CP) is a relatively new direction in software development that is addressing optimization problems in the field of Enterprise Resource Planning. There are several established implementations available as Open Source Software or with commercial licensing (Choco, Constrainer - are OSS; Gurobi, IBM ILOG require commercial licensing). Most of these systems are developed in Java or can be used as part of Java applications. JSR-331 (Java Constraint Programming API) is a standard base that provides compatibility between applications, developed using different implementations of Constraint Programming. iOaaS is an interactive container that provides support for the Octopus optimization models. iOaaS can work with all JSR-331 compatible APIs. This presentation demonstrates the main aspects of Octopus interactive optimization with Choco Constraint Programming API.Click here to download this presentation file.