Industrial Communication Technology Handbook, 2nd Edition

22Linking Factory Floor and the Internet

Thilo Sauter

Danube University Krems

1. 22.1 Introduction and Historical Background

2. 22.2 Interconnection Approaches

   1. Protocol Tunneling

   2. Gateways

3. 22.3 Control Data Tunneling

   1. Network Parameters for Control Data Tunneling

   2. Performance and Application Classes

4. 22.4 Design Considerations for a Gateway

   1. Services

   2. Gateway Structure

   3. Data Representation

5. 22.5 Gateway Access from the Internet

   1. Simple Network Management Protocol

   2. LDAP

   3. Structured Query Language

   4. Web-Based Approaches

   5. OPC

6. 22.6 Role of Industrial Ethernet

7. 22.7 Summary

8. References

22.1 Introduction and Historical Background

One of the key issues in automation is the exchange of information, and substantial efforts were devoted in the past to introduce ...