Chapter 1: Distributed Systems: What is a distributed system?
Chapter 1: Distributed Systems: What is a distributed system?
Chapter 1: Distributed Systems: What is a distributed system?
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Resource Sharing and the Web<br />
� Hardware resources (reduce<br />
costs)<br />
� Data resources (shared<br />
usage of information)<br />
� Service resources<br />
� search engines<br />
� computer-supported<br />
cooperative working<br />
� Service vs. server (node or<br />
process )<br />
Kangasharju: <strong>D<strong>is</strong>tributed</strong> <strong>Systems</strong><br />
www.google.com<br />
www.cdk3.net<br />
File <strong>system</strong> of<br />
www.w3c.org<br />
www.w3c.org<br />
CoDoKi, Fig. 1.4<br />
Web servers<br />
Activity.html<br />
Protocols<br />
http://www.google.com/search?q=kindberg<br />
Internet<br />
Browsers<br />
http://www.cdk3.net/<br />
http://www.w3c.org/Protocols/Activity.html<br />
Mastering openness<br />
• HTML<br />
• URL<br />
• HTTP<br />
Figure 1.4 Web servers and web browsers<br />
October 23, 08 14
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