2. OSI Seven-layer Model

3. Key Issues

4. Interoperability

5. BAS Case Study

• Shadpour, F., 2001. The Fundamentals of HVAC Direct Digital Control: Practical Applications and Design, 2nd ed., Chapter 4, Hacienda Blue, Escondido, CA. [697 S52]
• Newman, H. M., 2001. Control networks and interoperability, Network Controls: A Supplement to HPAC Engineering, May 2001, pp. 17-27.

• Webopedia.com
• Architecture, ARCnet (Attached Resource Computer Network), Client/server (=Master/Slave), Ethernet, IEEE 802 standards, Interoperability, LAN (local-area network), Media (transmission), Network, Node, OSI (Open System Interconnection), Peer-to-peer, Protocol, Token, Topology
• The 7 Layers of the OSI Model [webopedia]
• Internetworking Technology Handbook [cisco]
• Internetworking Basics
• Open System Interconnection (OSI) Reference Model
• DDC Online [http://www.ddc-online.org/]
• Manufacturer's Product List
• Architecture diagrams
• Product details
• Introduction To DDC
• Input/Output Tutorial