Exam 2 -- open book section -- 30 November

Problem one and only one. (40 points)

With the increasing number of computers connected to the Internet, some long distance telephone carriers are becoming concerned that the Internet will be used to transmit real phone conversations and thus cut into their profits!

Write an "essay" of one or two pages that discusses this possibility. In your discussion, keep in mind that although a phone conversation can be encoded in 56kbps, those 56kbps had better be delivered constantly.

Start by talking about how a phone conversation can be implemented using the Internet protocols and then work your way through various other technical issues and problems related to the topics we've covered this semester. End with a recommendation of whether or not it's time to sell your AT&T stock.

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