Intertemporal choices in cloud computing: Effects of delay and delay horizon - an experimental study

Author(s):  
Venkataraghavan Krishnaswamy ◽  
RP Sundarraj
Author(s):  
Dr Anand Sharma

SaaS is software as a service. In previous days when the concept of providing the facility of distributed system from where information can be shared was introduced then the concept of Application service provider came into the picture. The idea was to provide application-based services to the companies using client server techniques. It became popular. SaaS is introduced to provide software also as a service which is upgraded version of the ASP. In this paper SaaS will be discussed in detail. There are two main types of SaaS. The challenges in implementation of SaaS will also be discussed.


Author(s):  
Dimitrios Melissourgos ◽  
Sishun Wang ◽  
Shigang Chen ◽  
Youlin Zhang ◽  
Olufemi Odegbile ◽  
...  

Author(s):  
Y. A. Ushakov ◽  

Container-based virtual software-defined virtual infrastructures have become an integral part of the underlying cloud computing engine and are used in a variety of distributed, scalable, resilient systems. But big data analytics tasks are mostly handled by traditional distributed clusters that require initial deployment, careful upgrades, and skilled maintenance. The aim of the work is to study the effectiveness of using software- defined virtual infrastructures based on containers and methods for their rapid deployment according to cloud principles for the implementation of automation platforms for distributed processing of big data. The schemes of Hadoop and Spark architecture deployment based on Docker Swarm and Kubernetes clusters are given. The development of criteria for evaluating the performance of distributed computing for processing big data was also carried out and an experimental study of the work efficiency was carried out.


Author(s):  
Nouby Mahdy Ghazaly

This paper will explain the concept of PaaS in detail. PaaS is platform as a service. With the help of cloud computing, there are vendors who will provide platform like hardware and software online to be used by the employees of the business or organisation. The business can send their requirements to the vendor who will provide platform as a service to them based on per service charge basis. The paper will explain types of PaaS, Characteristics. Advantages and challenges in implementation of PaaS.


Author(s):  
Norio Baba ◽  
Norihiko Ichise ◽  
Syunya Watanabe

The tilted beam illumination method is used to improve the resolution comparing with the axial illumination mode. Using this advantage, a restoration method of several tilted beam images covering the full azimuthal range was proposed by Saxton, and experimentally examined. To make this technique more reliable it seems that some practical problems still remain. In this report the restoration was attempted and the problems were considered. In our study, four problems were pointed out for the experiment of the restoration. (1) Accurate beam tilt adjustment to fit the incident beam to the coma-free axis for the symmetrical beam tilting over the full azimuthal range. (2) Accurate measurements of the optical parameters which are necessary to design the restoration filter. Even if the spherical aberration coefficient Cs is known with accuracy and the axial astigmatism is sufficiently compensated, at least the defocus value must be measured. (3) Accurate alignment of the tilt-azimuth series images.


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