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Aggregation, Prefix-tree, TCP EE122 Discussion 10/10/2011.

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Presentation on theme: "Aggregation, Prefix-tree, TCP EE122 Discussion 10/10/2011."— Presentation transcript:

1 Aggregation, Prefix-tree, TCP EE122 Discussion 10/10/2011

2 Question 1 (a) 00001010 00001010 00000001 001xxxxx – 10.10.1.32 to 10.10.1.63 (b) 11011101 00001011 00000xxx xxxxxxxx – 221.11.0.0 to 221.11.7.255

3 Question 2 (a) Is 221.11.5.0/23 a valid block of addresses? (b) 11011101 00001011 000000xx xxxxxxxx 11011101 00001011 0000010x xxxxxxxx 11011101 00001011 0000011x xxxxxxxx Splits fine!

4 Question 2 (c) 11011101 00001011 000000xx xxxxxxxx 11011101 00001011 0000010x xxxxxxxx 11011101 00001011 00000101 xxxxxxxx Overlap of addresses!

5 Question 3 *** 0** 1** 11* 10* (221.11.5.27 )(221.11.7.31)

6 Question 6 HTTP – 80 Telnet – 23 SSH – 22 FTP – 21 DNS – 53

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