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Mohamed G. Gouda					CS 356
Spring 2019						Exercise 1
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Consider the following route (X, Y1, Y2, Z) that can be used for
sending messages from a client host X to the corresponding server
host Z. Complete paragraph 3 below.

1. Router Y1 is the first router of client host X. Note that X
knows Y1.

2. Router Y2 is a neighboring router of router Y1 that is
closest to host Z in terms of number of hops. Note that Y1
knows Y2.

3. Host Z is a ...

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Solution
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3. Host z is a neighboring host of router Y2. Note that Y2 knows
Z.

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