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Cloud Computing

atau nama lainnya adalah Komputasi Awan adalah teknologi yang menjadikan internet sebagai tempat penyimpanan database, aplikasi dan masih banyak lagi.

Layanan Cloud Computing

1. Software as a Service (SaaS)
Layanan pemakaian teknologi mengenai pemakaian software yang telah disediakan contohnya : gmail, outlook mail

2. Platform as a Service (PaaS)
Cloud Computing dapat menyewakan sistem operasi, database engine, framework aplikasi untuk menjalankan aplikasi yang kita buat. Contohnya : windows azure 

3. Infrastructure as a Service (IaaS)
Cloud Service dapat memberikan layanan infrastruktur IT. Contohnya CPU, penyimpanan data, memory dan lainnya dapat disewa. 

Cloud Deployment Model

Deployment model define the type of access to the cloud. Type of access :
1. Private cloud 
     - Single organization only 
     - Managed by the org or a 3rd party 
     - On or off premise
2. Community cloud
     - Shared infrastructure for specific community
     - Several organizations that have shared concerns
3. Public cloud
     - Sold to the public, mega-scale infrastructure
     - Available to the general public
4. Hybrid cloud
     - Composition of two or more clouds
     - Bound by standard or proprietary technology

Keuntungan dari Cloud Computing:

1. Flexible performance improvement
2. Universal data access
3. Easier group collaboration
4. Manageable infrastructure update
5. Reduce software / hardware cost

Kelemahan dari Cloud Computing:

1. Require internet connection
2. Data security concern
3. Doesn't work with low speed connection
4. The feature might be limited

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