# Architecture Principles

*This chapter provides insight on the main technical concepts of dataspaces. It highlights the protocols DSP and DCP, their messages, state machines, sequences, and bindings*

## Cataloging

*Provide insights on advertising data assets*

## Contract Negotiation

*Provide insights on contract negotiation and agreements*

## Data Transfer

*Provide insights on the actual data transfer within a dataspace*

### Control Plane

*Explain the responsibilities of the control plane via data transfer*

### Data Plane

*Explain the responsibilities of the data plane via data transfer*

### Policy Enforcement

*Explain the policy enforcement capabilities and shared responsibilities of dataspace and data management services*

## Observability

*Link to the observability document, interpret from an architectural pov*

## Credentials and Claims

*Link to the identity document and the trust document, interpret from an architectural pov*