A Rule-Based Approach for Effective Resource Provisioning in Hybrid Cloud Environment - New Paradigms in Internet Computing - page 42

application. The IaaS provider supplies the whole cloud infrastructure viz. servers,
routers, hardware based load-balancing, firewalls, storage and other network
equipment. The customer buys resources as a service on an as needed basis.

Managed
Compute

• Provide High available

• Virtualized Server

• On Demand Capacity

Managed
Security

• URL filtering

• Firewall

• Log Analysis

Managed
Storage

• IP Based

• Storage(ISCSI,CIFS,NFS)

• SAN Based Storage

Managed
Backup

• Provide Tape Vaulting

• Define Remote Backup

• Consulting

Fig. 1. The Infrastructure as a Service - Offer

The Spectrum of Cloud

Table 1. The spectrum of cloud

IaaS PaaS SaaS

Amazon AppEngine Google Apps

Rackspace Heroku Taleo

Workday

Linode Force.com Salesforce

GoGrid Azure

And Other Heroku