Cloud Computing Assignment: Models, Issues, and Recommendations

This assignment solution explores cloud computing concepts, focusing on office automation approaches, comparing IaaS, PaaS, and SaaS models. It analyzes the benefits and issues of automation systems and portal approaches for office automation, recommending an automation system. The solution also differentiates between IaaS and PaaS in the public cloud and further compares SaaS, PaaS, and IaaS, recommending the SaaS model for SharePoint services due to its time reduction, reduced cost, integration, scalability, and user-friendly nature. The assignment also addresses potential problems associated with the SaaS model, such as data storage and virtual machine issues, and suggests solutions like frequent updates, area segregation, and encryption. The document concludes with a comprehensive list of references.

Running head: CLOUD COMPUTING
CLOUD COMPUTING
Name of the Student
Name of the University
Author Note

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Table of Contents
Question 2..................................................................................................................................3
Office automation Approach..................................................................................................3
Benefits and issue of the approaches.....................................................................................3
Recommendation of System..................................................................................................4
Question 3..................................................................................................................................4
Difference between IaaS and PaaS in public cloud...............................................................4
Question 4..................................................................................................................................4
Difference between SaaS, PaaS and IaaS..............................................................................4
Recommendation of model....................................................................................................5
Problem relating to the model (SaaS)....................................................................................5
Dealing with the issue............................................................................................................5
References..................................................................................................................................7

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Question 2
Office automation Approach
The two approach, which can be used for the concept of office automation, which can
be used by the regional garden, can be a central database system and an office portal
approach.
 Automation system: The system can be considered as one of the approach, which can be
placed over the concept of existing infrastructure of the organization, which already exist
in the framework of their operation. It can be implemented for achieving benefit in the
sector of messaging which can make the concept of communication very much easy. It
can directly reduce the amount of work and emphasis can be given to the sectors, which
are more important to work within the organization.
 Portal Approach: Another approach, which can be used for the purpose of home
automation, is the concept of office portal. In this approach, every staff would be given a
separate user name and password, which can be used for the purpose of logging into the
portal and doing the work. This concept can be very much beneficial in a way that it
keeps the data of an individual very much secured.
Benefits and issue of the approaches
Automation system
Benefit
The main benefit, which can be achieved from the concept, is that it would lessen the
task pressure due to automation of the overall system. The employee can easily handle the
work pressure and can directly involve into the concept of multitasking.
Issue

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The main issue, which can be stated about the automation system, is the cost related
factor. The cost of the system is higher as compared to other system due to the factor that it
involves a larger area of operation and involves different working sectors.
Portal Approach
Benefit
The main benefit, which can be achieved from the concept, is that it would be directly
incorporating individual identity of every employee. This means is achieved by giving the
individual users a separate username and password. The authorization concept of access data
of an individual can also be achieved from the concept. Information by this means can be
kept very much secured.
Issue
The approach can be considered a single point access for every user. Each of the
employee being given a specific password and username, if the employee somehow misplace
the password and username the access of the user would be denied. In most of the cases, it is
seen that the data of the user can being accessed by authorized person due to the concept of
knowing the individual password and username.
Recommendation of System
The recommendation of the system would be the automation system. The system is
taken into consideration due to the factor that it does not alter the existing infrastructure and
the new system can be placed over the existing system. This would be incorporating very less
change in the infrastructure (Rajakumari, S. B & Nalini, 2014).

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Question 3
Difference between IaaS and PaaS in public cloud
In the concept of the cloud, the Infrastructure as a cloud can be considered to be one
of the lowest level. Within the model, there is provision of pre-configured hardware, which is
provided by means of hypervisor or interface. There is no high level of infrastructure, which
is provided such as the operating system, the buyer embedded with the aspect of his or her
own application, which is virtual, must provide this aspect. On the other hand, the platform as
a service can be stated as a step ahead, which are committed to providing development
environment for a given application. Some other person rather than the user or the developer
maintains the development platform. The concept of the Software as a service provides on
demand functional application to provide specific service for example email management,
ERP, CRM and other range of wide applications (Hu et al., 2015). The SaaS taking into
consideration the IaaS offers complete solution relating to the design, testing, creation and
deployment of the applications of the client combined with the team member’s connectivity,
version control, software configuration management, integrated database and customer web
service. Taking the approach little bit higher, the Apprenda offers all the type of elements in
an environment of high security of the data relating to the organization who would be
implementing the process (Bera, Misra& Rodrigues, 2015).
Question 4
Difference between SaaS, PaaS and IaaS
Features SaaS PaaS IaaS
Importance It can be considered
as a complete set of
package, which
Top of IaaS It can be considered
to be a basic layer of

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would be offered. computing
What do the user get Here the user do not
have to worry about
anything. It is pre-
installed pre-
configured package,
which is delivered
according to the
need of the user.
Here the user gets
what they actually
demand. It can range
from hardware,
software, OS as well
as web environment.
The user gets the
infrastructure and
they have to pay
accordingly.
Technical difficulty There is no worry
about the
technicalities. The
SaaS provider
companies handles
all the aspects.
The basic set up is
given but the need of
some sort of
knowledge in the
field would be
required.
Knowledge related
to technical aspect is
very much required.
Recommendation of model
The model, which would be recommended for the SharePoint service, is the software
as a service model. The model is recommended due to the following factor:
 Time reduction: The SaaS model is already configured and installed which can be stated
to be ready for use model.

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 Reduced cost: The SaaS model is implemented in the concept of shared environment or
multitenant due to this factor the cost that is related to the hardware and the software are
reduced significantly.
 Integration and scalability: The solution relating to the SaaS are directly placed in the
cloud environment, which are integrated and very much scalable. When an organization
move towards the concept of the SaaS model they do not have to buy any sort of software
or any type of server for its operation (Rittinghouse & Ransome, 2016).
 User friendly: The SaaS model is very much user friendly in a way that any person would
be able to use the concept. There is no need of training and the concerned people in the
organization can easily implement the system and use them. It can be stated as a ready to
use model.
Problem relating to the model (SaaS)
Problem 1: Data storage
In this concept, the user does not have any sort of idea were the data is being stored
and who is actually accessing the data. In most of the cases, it is seen that the data is outside
the server of the user so that when the user would be trying to access the data it would not be
available for access.
Problem 2: Virtual Machine
Although the concept of the Virtual machine adaptation is a phenomenon the risk
which is associated with the concept are very much increasing rapidly. The hypervisor and
the virtual machine can have different types of problem included in its working.

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Dealing with the issue
 In order to overcome the problem frequent update should be done which would be
keeping the system updated.
 Area segregation should be done which would be directly minimizing the overall impact
of the system
 Encryption of the algorithm would be directly beneficial in a way of securing the system
and its performance (Almorsy, Grundy & Müller, 2016).

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References
Ali, M., Khan, S. U., & Vasilakos, A. V. (2015). Security in cloud computing: Opportunities
and challenges. Information sciences, 305, 357-383.
Almorsy, M., Grundy, J., & Müller, I. (2016). An analysis of the cloud computing security
problem. arXiv preprint arXiv:1609.01107.
Bera, S., Misra, S., & Rodrigues, J. J. (2015). Cloud computing applications for smart grid: A
survey. IEEE Transactions on Parallel and Distributed Systems, 26(5), 1477-1494.
Chang, V., Kuo, Y. H., & Ramachandran, M. (2016). Cloud computing adoption framework:
A security framework for business clouds. Future Generation Computer Systems, 57,
24-41.
Hu, Y. C., Patel, M., Sabella, D., Sprecher, N., & Young, V. (2015). Mobile edge computing
—A key technology towards 5G. ETSI white paper, 11(11), 1-16.
Mastelic, T., Oleksiak, A., Claussen, H., Brandic, I., Pierson, J. M., & Vasilakos, A. V.
(2015). Cloud computing: Survey on energy efficiency. Acm computing surveys
(csur), 47(2), 33.
Rajakumari, S. B., & Nalini, C. (2014). An efficient cost model for data storage with
horizontal layout in the cloud. Indian Journal of Science and Technology, 7(3S), 45-
46.
Rittinghouse, J. W., & Ransome, J. F. (2016). Cloud computing: implementation,
management, and security. CRC press.