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Mobile Cloud Computing Essay

5666 words - 23 pages

CHAPTER 1 : INTRODUCTION

Mobile devices allow users to run powerful applications that take advantage of the growing availability of built-in sensing and better data exchange capabilities of mobile devices. As a result, mobile applications seamlessly integrate with real-time data streams and Web 2.0 applications, such as mashups, open collaboration, social networking and mobile commerce. The mobile execution platform is being used for more and more tasks, e.g., for playing games; capturing, editing, annotating and uploading video; handling finances; managing personal health, micro payments, ticket purchase, interacting with ubiquitous computing infrastructures. Even mobile device hardware ...view middle of the document...

Furthermore, consider applications that require extensive processing– image processing for video games, speech synthesis, natural language processing, augmented reality, wearable computing—all these demand high computational capacities thus restricting the developers in implementing applications for mobile phones.
Cloud computing can be defined as a style of computing in which scalable and elastic IT-enabled capabilities are delivered as a service using Internet technologies[1]. Mobile cloud computing (MCC) is introduced as an integration of cloud computing into the mobile environment. Mobile cloud computing brings new types of services and facilities for mobile users to take full advantages of cloud computing.
Mobile cloud computing refers to the availability of cloud computing services in a mobile environment. It incorporates the elements of mobile networks and cloud computing, thereby providing optimal services for mobile users. In mobile cloud computing, mobile devices do not need a powerful configuration (e.g., CPU speed and memory capacity) since all the data and complicated computing modules can be processed in the clouds. Mobile cloud computing is the usage of cloud computing in combination with smart mobile devices.Mobile cloud computing (MCC) at its simplest, refers to an infrastructure where both the data storage and data processing happen outside of the mobile device. Mobile cloud applications move the computing power and data storage away from the mobile devices and into powerful and centralized computing platforms located in clouds, which are then accessed over the wireless connection based on a thin native client.

Several operators as Vodafone, Orange and Verizon have started to offer cloud computing services for different companies. Mobile Cloud Computing has three components, mobile device, wireless communication channel and cloud. Mobile devices have resource constraint in terms of battery power, memory, processing power and have different types of hardware, operating system, and input -output interface. Wireless communication channel has different radio access technologies such as GPRS, 3G, WLAN and WiMax with variable network conditions in terms of limited and unstable bandwidth. Cloud Computing is facing various security and privacy challenges. Security and privacy issues in mobile cloud computing are inherited from cloud computing and mobile computing. Because of resource constraints, heavy security algorithm can’t be run on mobile device. We need to do efficient task portioning between cloud and mobile to resolve the security and privacy issues in Mobile Cloud Computing. As an inheritance and development of cloud computing, resources in mobile cloud computing networks are virtualized and assigned in a group of numerous distributed computers rather than in traditional local computers or servers, and are provided to mobile devices such as smartphones, portable terminal, and so on. Meanwhile, various applications based...

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