In an era of cloud computing where technology is being treated as a commodity, I
ID: 3766020 • Letter: I
Question
In an era of cloud computing where technology is being treated as a commodity, IBM spent $ 1 Billion and five years in developing z13, its newest mainframe. http://www.fool.com/investing/general/2015/01/24/heres-why-ibm-is-still-building-mainframes.aspx Despite the numerous predictions of its imminent death, mainframes are still alive. Big businesses still rely on mainframes to support their IT infrastructures over opting for 'Pay-as-you-go' model of Cloud computing championed by Amazon and Google. And colleges like Marist are encouraging young professionals to take up z/OS courses to support mainframe programming. http://idcp.marist.edu/enterprisesystemseducation/zosprogramoverview.html What is the secret behind mainframes longevity? Discuss the issues with Cloud Computing, do you think mainframes can solve those issues? As a BA when would you recommend one over another? System z software http://www-01.ibm.com/software/os/systemz/data/
Explanation / Answer
Secret behind mainframes longevity:
Reliability
Security of the system
It provides a facility of replacing a failed component without affecting the system as it provides with built in backups components.
Providing support for upcoming technologies. It supports running of a private cloud.
Mainframes are best suited for mission-critical workloads
Cloud Computing:
Cloud computing is a type of computing that relies on computer resources sharing rather than the application running on local computing devices such as servers, computers, tablet, and Smart phones.
In a cloud computing the cloud is used as a symbol for the internet, it means that the cloud computing is a type of internet based computing.
There are three types of service categories available in cloud computing:
The hardware-based service is categorized as “Infrastructure-as-a-Service”.
The software-based service is categorized as “Software-as-a-Service”.
The application and interface development based service is categorized as “Platform-as-a-Service”.
Issues with Cloud Computing
Security is an issue in Cloud Computing
Reliability is an issue in Cloud Computing. There may be a chance that the cloud provider may lose power or some disaster as fire accident may happen. Then all the data will be lost.
Yes, mainframes can solve the problems related to security and reliability.
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