CaaS Deployment Approaches
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Separate System Approach
- Dedicated Server for each customer
- Excellent customer isolation
- Expensive to the service provider because of dedicated hardware
- Difficult for service provider to manage
- COST: High
- SECURITY: Good (Low Risk)
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Shared Tenet Approach
- Customers share hardware and run off a single software image
- Inexpensive and easy to manage for the service provider
- Poor isolation of one customer from another
- Poor security, increased risk
- COST: Low
- SECURITY: Poor (High Risk)
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Virtual Machine Approach
- Dedicated virtual machine for each customer (and ideally dedicated CPU)
- Excellent customer isolation
- Much less expensive and easier to manage for the service provider than dedicated hardware
- COST: Low
- SECURITY: Good (Low Risk)
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CaaS Whitepapers 
