Transcript
SkipGraphSkipGraph
� Web
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◦ Hash
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� SkipGraph
◦ SkipGraph SkipList
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SkipListSkipList
� ListSet
O(log n)
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SkipListSkipList
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23 39 42 47 53 68
23
23
23
39
23
39
42 47
47
47
53 68
68
Level 0
Level 1
Level 2
Level 3
Level 4
SkipListSkipList
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◦
23 39 42 47 53 68
23
23
23
39
23
39
42 47
47
47
53 68
68
Level 0
Level 1
Level 2
Level 3
Level 4
53?
SkipListSkipList
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◦
23 39 42 47 53 68
23
23
23
39
23
39
42 47
47
47
53 68
68
SkipGraphSkipGraph
� SkipList
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SkipGraphSkipGraph
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23 39 42 47 53 68
SkipGraphSkipGraph
� membership vector
◦ 2
23 39 42 47 53 68Level 0
00 00 0110 11 10
SkipGraphSkipGraph
� membership vector
◦ 1 1 2 2
◦ n log n
23 39 42 47 53 68
23
39
42
47 53
68
23 42 6839
4753
Level 0
Level 1
Level 2
00 00 0110 11 10
SkipGraphSkipGraph
�
�
23 39 42 47 53 68
23
39
42
47 53
68
23 42 6839
4753
Level 0
Level 1
Level 2
00 00 0110 11 10
SkipGraphSkipGraph
� SkipGraph SkipList
� SkipList
23 39 42 47 53 68
39 47 53
39 53
Level 0
Level 1
Level 2
00 00 0110 11 10
68?
SkipGraphSkipGraph
�
23 39 42 47 53 68
39 47 53
39 53
Level 0
Level 2
00 00 0110 11 10
40 70 53 70
47 52
Level 1
� 9 SkipGraph
◦ CPU: Core i5 2.66Ghz
◦ : 1GbE Ethernet
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600
( )
(query/sec)