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      • Optimization of Edge Server Selection Technique using Local Server and System Manager in content delivery network

        Debabrata Sarddar,Enakshmi Nandi 보안공학연구지원센터 2015 International Journal of Grid and Distributed Comp Vol.8 No.4

        Cloud Computing is a distributing computing technology which is used as pay per use basis. Now a day’s Cloud Computing is the most reputed topic due to its ability to offer guaranteed quality of service atmosphere, dynamic IT infrastructures, and conFigureurable software services. But many users could not satisfy on cloud services completely due to their uncovering security purpose for handling large numbers of data. Even the network becomes uncontrollable, when large numbers of user’s request to the server create network congestion and data losses vigorously. Content Delivery Network OR CDN is an eminent solution of this problem. Our objective is to create local and global server and connect the global server to system manager, which is worked over Content Delivery Network to deliver and direct the user request to the nearest global edge server except local server and establish the connection between them and transfer the respective content. For optimization of edge selection process and reduce the load over content delivery network we approach local server concept in this paper.

      • An Authenticate Model of Cloud Interaction Using Cryptography

        Debabrata Sarddar,Nilanjana Das,Joy Halder 보안공학연구지원센터 2015 International Journal of Grid and Distributed Comp Vol.8 No.6

        Cloud Computing is one of the major trends in today’s information technology and the most likely research area. Cloud Computing is a model of sharing resources, software, information. The user access the cloud via internet and all the resources are open to all. Thus, cloud security is now a challenging problem for the cloud service providers. Cryptography is a good solution of the cloud security and several research works are published to ensure secure cloud using cryptographic tools. This paper proposes an authentic communication between a customer and cloud service provider using encryption, decryption and message digests.

      • Handover Management in LEO Satellite Network using Area and Angle Based Algorithm

        Debabrata Sarddar,Priyajit Sen,Himadri Biswas 보안공학연구지원센터 2016 International Journal of Grid and Distributed Comp Vol.9 No.8

        LEO satellites are nearer to the earth’s surface than that of the other satellite systems. LEO satellites revolve round the earth is in the range from 500-1500km from the surface of the earth. The satellite is placed closer to the surface of the earth. If the height of the satellite is increased by increasing the power of the equipment used in the satellite system, the beam of the satellite cover a wide area in the surface of the earth. The radius of the foot print will increase as the height will increase and as the radius will increase the area of coverage will also increase. Height (h) is directly proportional to the radius(r) and area (A) is directly proportional to the square of the radius. Thus, the number of satellite required to cover the whole earth will decrease. The handoff failure will be decreased.

      • Central Controller Framework for Mobile Cloud Computing

        Debabrata Sarddar,Priyajit Sen,Manas Kumar Sanyal 보안공학연구지원센터 2016 International Journal of Grid and Distributed Comp Vol.9 No.4

        Now-a-days Mobile-Cloud Computing is a global computing infrastructure. Mobile-Cloud computing is the combination of mobile computing and cloud computing. Today’s smart phones are facing problem of small size and low battery life. One of the solutions to the problem of size of the mobile devices is by using the mobile device via extra touchpad device either by wireless fidelity network or Bluetooth. Low battery can be replaced by a powerful battery. The problem in cloud network is the higher response time of nodes while performing data communication through co-operative caching. This problem can be overcome by placing a Central Controller device as a hub in star topology network. The Central Controller device keeps track of the status of all other devices during the communication by running passive scan over the devices.

      • Utility Computing

        Ranjan Kumar Mondal,Debabrata Sarddar 보안공학연구지원센터 2015 International Journal of Grid and Distributed Comp Vol.8 No.4

        With the growing demand for computing resources and network capacity, providing scalable and reliable computing service on the Internet becomes a challenging issue. Recently more attention has been paid to the Utility Computing concept aiming to provide computing as a utility service similar to water and electricity. While the concept is very challenging in general we focus our attention in this chapter to a restrictive environment web applications, given the omnipresent use of web applications on the Internet, this environment is rich and important enough to warrant careful research. This paper describes the approaches and challenges in building such a computing platform.

      • Co-Centric Cell-Splitting Technique Using Frequency Reuse

        Ranjan Kumar Mondal,Debabrata Sarddar 보안공학연구지원센터 2015 International Journal of Future Generation Communi Vol.8 No.5

        When a MS or mobile node (MN) moves out from a base station (BS) to another base station then it needs to perform a handoff or handover. Here we will propose a method that minimizes the handoff failure probability by increasing the total number of channel with help cell splitting process. This is Mother and child cell concept.

      • Node Designing of Complex Networks in Cloud Computing Environment

        Ranjan Kumar Mondal,Debabrata Sarddar 보안공학연구지원센터 2015 International Journal of Hybrid Information Techno Vol.8 No.7

        As a result of the spreading various types of nodes and topological complexity of the cloud computing, it is an backbreaking task to characterize the nodes which are far more influential than others. The objective of our paper is to examine complex networking based cloud computing. Complex networks are a type of networks whose structure is irregular, complex and evolving dynamically. Its main goal is the analysis of small networks to that particular of system with millions of nodes. It has been found that none of the technique is way better for cloud computing. Therefore, this paper ends with the future scope to solve these issues.

      • An Energy Efficient Dynamic Schedule based Server Load Balancing Approach for Cloud Data Center

        Rajesh Bose,Sudipta Sahana,Debabrata Sarddar 보안공학연구지원센터 2015 International Journal of Future Generation Communi Vol.8 No.3

        Cloud computing has firmly installed itself as a highly evolved concept for hosting and providing hardware and software resources across networks and the Internet. With rapidly emerging markets, cloud service providers have come up against a significant hurdle. Aspiring to remain firmly competitive in the long run, cloud service providers have realized that maintaining energy efficient controls in place without compromising performance is an aspect that cannot be ignored. With ever expanding sphere of cloud computing, energy demands for supporting computing resources and networks keep on growing. The high rate of demand for crucial energy needs is the salient point that keeps featuring in the horizon of almost every cloud computing service provider. Servers powering cloud computing services need to be supplied constantly with energy to support end users. To help ensure reduced energy consumption, we have examined the application of dynamic time schedule based server utilization method in our work. In this paper, we have applied this approach to cut back generation of heat by attempting to avoid server overloads. Our method involves different power consumption patterns which help saving energy costs. Consequently, carbon emission rates are kept under control. Thus, achieving a green cloud computing model is possible without additional cooling systems which would, in turn, have required more power to operate.

      • Load Balancing Scheduling with Shortest Load First

        Ranjan Kumar Mondal,Enakshmi Nandi,Debabrata Sarddar 보안공학연구지원센터 2015 International Journal of Grid and Distributed Comp Vol.8 No.4

        Cloud computing is an internet based technology. This computing paradigm has increased the utility of network where the potentiality of one node can be used by Other node, cloud provides services on demand to distributive resources such as Database, servers, software, infrastructure etc. in pay per use basis, load balancing is One of the unique and important issues for distributing a larger processing lode to smaller processing nodes for increasing total performance of system, in load balancing method the workload not only distribute across multiple computers but also other resources over the network links to gain optimum resource utilization, minimum average response time and avoid overload condition. Different load balancing algorithms have been launched in order to manage the resources of service provider efficiently and effectively. The objective of this paper is to propose efficient scheduling algorithm that can maintain the load balancing and provide improved strategies through efficient job scheduling that would decrease the average response time and increase the availability of more VMs to allocate new jobs from requesting nodes.

      • User Satisfied Online IaaS Cloud Billing Architecture with the Help of Billboard Manager

        Rajesh Bose,Sandip Roy,Debabrata Sarddar 보안공학연구지원센터 2015 International Journal of Grid and Distributed Comp Vol.8 No.2

        In the context of cloud computing, no other aspect looms larger over all others than billing in Infrastructure-as-a-Service or IaaS as it is also known. This paper proposes a checklist option on IaaS Online Billing System that is described as being transparent in its computation in incorporating information on cloud resources availed and consumed, the period under consideration, and the charges accrued, thereon, for utilizing services against payment on-demand. We have discussed here, our proposed Billboard Manager with the checklist option which helps the cloud user in ascertaining how much resources have been consumed and then pay for the services enjoyed. At preset intervals of customers’ choosing, a cloud service provider would be able to inform the users the actual usage. A user is required to thoroughly examine the information and approve the same, for final billing to take place. In case of discrepancy, a user would have the option to raise issues in pre-billing charge statement with the cloud service provider for mutual verification; and to arrive at the final bill. With the aid of this system, customer satisfaction could be significantly enhanced.

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