1EdTech interoperability design relies on two important roles, consumer and provider. Consumers and providers can be related to tools, content, or services. In LTI 1.x terminology, a Tool Consumer consumes or ingests the tool. A Tool Consumer typically would be a learning management system, virtual learning environment, or another learning platform. In LTI Advantage a Tool Consumer is now termed the Platform.
To make your ecosystem interoperable, suppliers have to exchange content packages or frameworks. Tool consumers are the suppliers that have the ability to accept (consume) a connection to digital objects from another supplier, or a ingest a package from another supplier.
For example: CASE "consumers" are platforms that ingest the States' CASE-formatted learning standards (or CASE frameworks). The platform has been built it can "consume" the frameworks and use them to tag lessons, activities, or quizzes.
