Download - 李振华 lizhenhua1983@gmail
2
Dropbox
EC2, S3, SQS, RDS
GFS, BigTable, MapReduce
,
Azure,
Office365
CloudServers,
OpenStack
iCloud,
iTunes
20063Amazon EC2 Elastic Compute Cloud
20068Google 101
()
IaaS
PaaS
SaaS
1946ENIAC
1961MITCTSS (Compatible Time-Sharing System)
1973Ken ThompsonDennis RitchieUNIX
PC
15Modem56 Kbps
10ADSL200 Kbps
5ADSL+1-4 Mbps
600010-100 Mbps
Internet
9
2004AmazonIT
1
2
3
Amazon EC2
EC2
EC2S3SimpleDBRDSSQSCloudFrontEC2
//
*
*
Vmware + vSphere
CitrixXenDesktop
Dropbox
Dropbox
Dropbox1/10
Drew Houston
1983
14
MITU
Dropbox
Dropbox
Dropbox
+
Amazon S3
95%5%
Dropbox
Dropbox
P2PBT
Cloud
High data rate !
66373 Gbps 2011
PC
PC
-
- GPRS/3G/4G
-
-
- CPU
28
IT
1
Above the Clouds: A Berkeley View of Cloud Computing
- Berkeley TechReport09
MapReduce: Simplified Data Processing on Large Clusters
- OSDI04
A Scalable, Commodity Data Center Network Architecture
- SIGCOMM08
2
Xen and the Art of Virtualization
- SOSP03
Dynamo: Amazons Highly Available Key-value Store
- SOSP07
Cloud Computing and Emerging IT Platforms: Vision, Hype, and Reality for Delivering Computing as the 5th Utility
-Computer Communications09
User
3
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t
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4
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v
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1
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q
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Internet
BT
client
eMule
client
User
User
2
.
download