This document outlines the Trivadis Integration Architecture Blueprint, which provides an approach for structuring, designing, and understanding integration in application landscapes. It defines four layers - process, mediation, collection/distribution, and communication - to model integration at the architecture level. The blueprint has evolved over several years based on experience with many integration projects. It aims to provide a vendor-neutral methodology for integration modeling. The document also provides examples of how common integration scenarios can be depicted using the blueprint layers and discusses how various integration platforms map to the blueprint.