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Chapter 2: Consuming Data

To access data from another participant, the flow follows the Dataspace Protocol:

  1. Query the catalog — ask the provider's Control Plane (via the DSP endpoint) what data is available and under what terms.
  2. Negotiate a contract — agree to the provider's terms. The negotiation is asynchronous and results in a contract agreement.
  3. Initiate a transfer — request access to the data. In the simplest form, you get back an endpoint and a token to fetch it. Other transfer patterns like push and streaming are also supported.

If your customer needs to serve data (not just consume), they need a data plane. The data plane is the component that actually handles data transfer — it runs outside the EDCaaS platform, under your customer's control (or as a separate CSP service). See Data Plane Architecture and Deploying a Data Plane.

Next: The Management API