There are mainly three form of cloud services.
1. IaaS – Cloud Infrastructure (Infrastructure-as-a-Service), It is related to IT infrastructure services provided by the Cloud Hosting providers, Servers, Storage and Networks.
I’ve listed the few Cloud Hosting Providers
2. PaaS – Platform-as-a-service, It is related to application development environment provided to develop the software application ready for the cloud. e.g Application development software, middle ware and data access.
3. SaaS – Software-as-a-service: The SaaS model is to deliver the software applications via Cloud delivery model.
- Collaborative Applications
- Content Applications
- Enterprise Resource Management Applications
- Supply Chain Management Applications
- Operations and Manufacturing Applications
- Engineering Applications
- Customer Relationship Management Applications
Few of the SaaS companies are Microsoft Exchange and Office 365, Google Apps, Zoho, Salesforce.com (CRM) and SMBonCloud is our own SaaS service.