2. What is an SLA?
· SLA is defined as contract between a service supplier and interior or exterior customers that reports what facilities the supplier will provide and defines the services standards is obligated to meet..
2.1. Research the SLAs of two cloud vendors, such as Rackspace, Amazon, or Google.
a. For the vendors you selected, what are the SLAs’ uptime percent?
b. Does each vendor count both scheduled downtime and planned downtime toward the SLA uptime percent?
c. Compare the SLAs in terms of two other criteria.
3. Do some research on cloud computing and explain the terms SaaS, PaaS, and IaaS. What are
The benefits of each? Cite your sources.
· SaaS-à Software as a Service: in this software the third part hosts application and makes them available to customers over the internet. This software is considered to be one of the three main categories of could computing. SaaS offers many advantages, few of the advantage it offers are: lower up-front cos: no upfront license fees.
· PaaSàPlatform as a Service: is this cloud computing model the-party supplier delivers hardware and software tools: Platform suppliers hosts the hardware and software on its own infrastructure. PaaS lets users to install internal hardware and software to develop or run a new application.
· IaaSà Infrastructure as a Service: is this software the hardware is being provided by external provider and managed for you. It saves money on servers: you can use IaaS on local area network for business or private cloud, without spending money on physical servers and network resources.
4. Visit eWeek.com Cloud Computing Solutions Center for news and reviews at eweek.com/cloud. Select one of the articles listed under News & Analysis. Write an executive summary of the article. Cite the article at the end of your summary.