Cloud Computing

Cloud computing is a buzz word used where resources are provided dynamically on-demand as a service over the net.� The concept incorporated “Infrastructure as a Service”, “Platform as a service” and, “Software as a service”.

In short we can define cloud computing as:

1. Outsourcing infrastructure to cloud (internet)
2. Using virtual infrastructure as a service (storage, processing power, etc.)
3. Pay per use (You pay as you go)
4. Cost effective scalability

1. Zero investment in infrastructure
2. Zero investment in maintenance
3. You pay for what you use
4. You can scale up/scale down as and when required
5. Cost effective
6. Reduces usage of power (Eco-friendly)

1. Data security and privacy
2. Service Level Agreement not in place properly
3. Reliability
4. Lack of timely support

Providers

There are several providers in this area prominent are:

• Amazon
• Google
• Microsoft (Azure)
• EMC
• Enamoly
• FlexiScale
• RightScale
• Mosso

Next in Series:

Setting up Amazon EC2
Virtualization