[Chapter 19] Networks and Distributed Systems

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Advantages of Distributed Systems

• Resource Sharing
• Computation Speedup
• Reliability

Networks Structure

• Local-Area Networks
• Wide-Area Networks

Communications Structure

• Naming and Name Resolution
• Communications Protocols
• TCP/IP Example
• Transport Protocols UDP and TCP

Network and Distributed Operating Systems

• Network Operating Systems
• Distributed Operating Systems

Design Issuess in Distributed Systems

• Robustness
• Transparency
• Scalability

Distributed File Systems

• The Client-Server DFS Model
• The Cluster-Based DFS Model

DFS Naming and Transparency

• Naming Structures
• Naming Scheme
• Implementation Techiniques

Remote File Access

• Basic Caching Scheme
• Cache Location
• Cache-Update Policy
• Consistency

Final Thoughts on Distributed File Systems