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Chapter 2 Distributed System Assignment - 1 Q If a client...

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1. Q: If a client and a server are placed far apart, we may see network latency dominating overall performance. How can we tackle this problem? A: It really depends on how the client is organized. It may be possible to divide the client-side code into smaller parts that can run separately. In that case, when one part is waiting for the server to respond, we can schedule another part. Alternatively, we may be able to rearrange the client so that it can do other work after having sent a request to the server. This last solution effectively replaces the synchronous client-server communication with asynchronous one-way communication. 2. Q: What is a three-tiered client-server architecture? A: A three-tiered client-server architecture consists of three logical layers, where each layer is, in principle, implemented at separate machine. The highest layer consists of a client user interface, the middle layer contains the actual application, and the the lowest layer implements the data that are being used.
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