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
Amazon EC2 and S3, Rackspace or Mosso Cloud, Softlayer, Joyent and GoGrid
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.
Few PaaS providers are: Google Apps Engine, Microsoft Azure Platform, Salesforce Force.com, LongJump and Wolf framework etc.
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.
