Cloud computing
11 important questions on Cloud computing
What are fat clients?
What is P2P (peer-to-peer) processing?
What is a LAN (local area network)?
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What is enterprise computing?
How does a basic web server work?
How does a dynamic web server work?
What is a server farm?
What is the difference between a public and a private cloud?
In a private cloud only you can access the files, even Google cant. However this comes at a cost.
What are the benefits and limitations of on-premise implementation?
- The company owns and has control over the systems
- The company can customize the implementation
Limitations:
- The company must arrange maintenance (with IT department, security)
- The company is a single user, no scale efficiency
What are the benefits and limitations of could-based implementation?
- The company is just a user: on demand, pay-as-you-go (avoid investments), location-independent
Limitations:
- You have to trust the security of the cloud provider
- Lack of control over own system
- Lack of control over solving issues (however, the cloud company has core interest to provide security)
What are the 6 concerns in cloud computing?
2. Reliability: internet availability is a key indicator
3. Privacy: e.g. NSA
4. Security: e.g. a virus in the cloud environment?
5. Regulatory/legal: e.g. european customer data cannot go outside the EU without customers consent
6. Criminal use: attractive data, e.g. customer credit card data.
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