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MIS30080 Info management for actuaries > Week 05 > Flashcards

Week 05 Flashcards

1
Q

What is cloud computing?

A

Cloud computing is a model for enabling convenient, on-demand network access to a set of pooled configurable computing resources delivered over the Internet. Cloud computing is now a technology which has reached a critical mass and is now in a rapid phase of growth

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2
Q

What sort of configurable computing resources are shared over cloud computing?

A

e.g., networks, servers, storage, applications, and services

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3
Q

What are the essential characteristics of cloud computing?

A

– On-demand self-service
– Broad network access
– Resource pooling
– Rapid elasticity, scalability
– Measured service

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4
Q

What are the advantages of cloud computing?

A

A company using the cloud simply pays for the
resources they use, as they use them.
– infinite elasticity (“Scalability”)
– customers no longer need to predict traffic
* Economic advantages
– Economies of scale by cloud providers
* Pooled hardware and personnel resources
* Bulk purchases
– No capital cost to users -Pay as you go each month, comparable to electricity charges

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5
Q

What is a Public cloud?

A

Traditional mainstream sense, resources are dynamically provisioned
to the general public on a fine-grained, self-service basis over the Internet

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6
Q

What is a community cloud?

A

Shares infrastructure between several organizations from a specific community with common concerns e.g. universities. The costs are spread over fewer users than a public cloud.

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7
Q

What is a hydrif cloud?

A

Composition of two or more clouds (private, community, or public) that remain unique entities but are bound together, offering the benefits of multiple deployment models

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8
Q

What is a private cloud?

A

Single organisation, not a great model

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9
Q

How is cloud as a growing market share in IT? What is the ratio to traditional IT?

A

Traditional” IT is now less than half of the market.

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10
Q

Give an example of Salesforce using cloud

A

1999: Salesforce.com marked one of the first
milestones of Cloud Computing offering solutions to organisations using Internet Infrastructure(Software as a Service) - Salesforce was the market leader in Internet distributed service.

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11
Q

Explain google example of using cloud

A

2009 Google Apps offering easy to use, flexible, custom and cheap cloud-based apps, moving from web searchs to web-based consumer apps

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12
Q

Name three cloud computing services

A

SaaS - Software as a service
PaaS - Platform as a service
Iaas - Infrastructure as a service

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13
Q

Explain SaaS

A

User can run software on cloud service. Basically consumer and business apps, in a pay as you go way
– e.g. Google Apps, Salesforce.com,Office 365

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14
Q

Explain PaaS

A

User can run their own software on cloud service.
Very much Business facing dealing comparable to operating system, in a pay as you go way
– E.g. MIS research might run programs using the Irish Centre for High-End Computing (ICHEC)

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15
Q

Explain IaaS

A

User can run operating systems and
comprehensive applications on a cloud platform.
Catering to business IT, Hardware in a pay as you go way
– e.g. HP cloud infrastructure

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16
Q

How to SaaS, PaaS and IaaS relate?

A

Providers of SaaS will in turn use resources provided by Paas and particularly Iaas Providers

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17
Q

Briefly, what do SaaS Providers provide?

A

Application
O/S emulation
Network and storage

18
Q

Briefly, what do PaaS Providers provide?

A

O/S Emulation
Netowkr and storage

19
Q

Briefly, what do IaaS Providers provide?

A

Network and storage

20
Q

Explain O/S Emulation

A

Emulation, in a software context, is the use of an application program or device to imitate the behaviour of another program or device. Common uses of emulation include: Running an operating system on a hardware platform for which it was not originally engineered.

21
Q

Who are the leading cloud computing providers since 2021

A

Amazon Web Services – AWS are the leaders with one third of the market.
Microsoft Azure also have large market share
and google cloud is third

22
Q

What are examples of cloud services we use daily and how are these funded?

A

Google drive, cloud email, video/music - flickr, google play, amazon cloud player
These “free” services are paid for by these companies harvesting our data.

23
Q

How has shared project service like google docs changes ways of working

A

Shea and Melinda can share documents.
Before, they had used e- mail attachments.
There was often confusion over who had
the most recent version
With Google Docs, both the application program and data are on Google servers providing coordination for international
collaboration.

24
Q

What does ASP stand for?

A

Application service provider

25
Q

What type of business does cloud computing most suit?

A

The cloud is becoming increasingly associated
with small & medium enterprises (SMEs) who cannot afford the large IT capital expenditure. They Do not have the staff to manage IT
There is little upfront cost, consumption is
billed on a PAYG basis either by utility (resources consumed,) or subscription (time-based, like a newspaper) basis
Suits SMEs who want to concentrate on their own business and not use scare capital in IT which is not their area of expertise

26
Q

What are the two software delivery models on a PC

A

Self hosted - home built software
Or
A packaged application which you buy
Can also have a customised model which adds some programmed elements to a packaged application ex: macros in excel.

27
Q

What are the four software delivery models in cloud?

A

Hosted home built cloud - Half build half buy
Hosted Packaged cloud - Half build half buy
Cloud platform - Half build half buy
Software as a service - Very much you buy

28
Q

What are the benefits of cloud?

A

Cost effectiveness – Reduces capital expenditure
Flexibility – Easily scalable
Availability – Anytime, anywhere
Simplicity – Ready made solutions

29
Q

Issues with cloud computing?

A

Reliability– Without Internet access, the application is unusable. Tech failure in the these providers affect a large number of businesses.
Control – Cloud provider may go out of business and there is a Loss of control – lock-in to proprietary software
Security - is company’s data vulnerable?
Legal complications: – Data protection?, In what jurisdiction is the cloud?
Growing concern over the market power of these large organisations

30
Q

Give example current in UCD of lock in issue with cloud computing

A

Lock in issues. UCD cuts of alumni email on ucdconnect having promised lifetime access, because Google changed its pricing model. UCD deal with Google medium term contact not compatible with “lifetime” guarantee, a 21 year old graduate might live for 80 years.

31
Q

What are the enterprise SaaS vendor market leaders?

A

Microsoft, Salesforce,Adobe, SAP

32
Q

What is utility computing?

A

Traditional utility computing, a company offloads server processing work to another company at a remote site

33
Q

What is Cloud utility computing

A

Basically Iaas: a company offloads server processing work, this processing job is received by cloud service provider, and data is sent over the Internet to be processed. The application is not managed by the cloud provider like in Saas, only the processing power and the storage is!

34
Q

Who uses cloud utility computing? Give example

A

Iaas Caters for the cloud providers of downstream services : Netflix uses AWS for nearly all its computing and storage needs, including databases, analytics, recommendation engines, video transcoding, and more

35
Q

What does AWS stand for

A

Amazon web services

36
Q

What is the actuarial uses of technology?

A

Data visualisation
Predictive models
Cloud computing
Collaborative tools
Artifical Intell/ Machine learning

37
Q

Give some visualisation cloud applications

A

PowerBI
Tableau
Qlik

38
Q

What is current situation with cloud in Ireland?

A

Dublin has emerged as a cloud computing hub with government support – Amazon Web Services, Microsoft, Google, IBM. There are 19 data centres running in Dublin
* Irish data centres meet requirements of EU General Data Protection Regulation (GDPR)
A moderate temperature range and few hot days suit data centres which require cooling.

39
Q

What is the energy consumption of data centres like?

A

Use alot od electricity 2% of global demand and could grow to be almost quadruple in next 10 years. ROI its 11% of total electricity but could be up to 28% based on existing commitments.

39
Q

What is the energy consumption of data centres like?

A

Use alot od electricity 2% of global demand and could grow to be almost quadruple in next 10 years. ROI its 11% of total electricity but could be up to 28% based on existing commitments.

MIS30080 Info management for actuaries (13 decks)

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