The document discusses the role of the Ingres database in enhancing interoperability of open-source software (OSS) solutions within enterprise IT environments. It highlights the barriers to OSS adoption, such as compatibility issues and the need for integration, while emphasizing Ingres's capabilities in simplifying IT management and reducing total cost of ownership. The paper also stresses Ingres's commitment to collaborating with other OSS vendors to improve interoperability and provide enterprise-class solutions.