Preparation for Recitation 10

Read End-to-end Arguments in System Design (Reading #10 in course packet). As you read this paper, think about the following questions:

• How does the end-to-end argument apply to other systems you know about, for example, the X windows system?
• How does the packet voice example make use of the end-to-end argument?
• Is it OK for lower levels to do a bad job? Why should they do error detection and correction?

• The introduction and Overview sections of the Wikipedia article on Network Address Translators.
• The Speak Freely End of Life Announcement. Speak Freely was an early voice chat program for the Internet.

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