
4
3.5
3
2.5
2
1.5
1
0.5
0
0
AOI 1
AOI 17
A
AOI 2
AOI 8
A
AOI 3
AOI 9
AO
AOI 4
AOI 10
AO
AOI 5
AOI 11
AOI 17
AOI 6
AOI 12
AOI 18
0.5 1 1.5 2 2.5 3
Width (Longitude Degree)
3.5 4 4.5 5 5.5 6
Figure 10.7 AOI distribution identied by the ETA-8bin.
35
1 instance
Concurrent Number
EC2 Scalability
2 instances
5 instances
30
25
20
15
10
5
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
360
370
380
390
400
Average Response Time (s)
Figure 12.4 EC2 scalability with up to 1, 2, and 5 instances.