What is device independence in cloud computing?
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Abstract
Despite the evolution and enhancements that mobile devices have experienced, they are still considered as limited computing devices. Today, users become more demanding and expect to execute computational intensive applications on their smartphone devices. Therefore, Mobile Cloud Computing (MCC) integrates mobile computing and Cloud Computing (CC) in order to extend capabilities of mobile devices using offloading techniques. Computation offloading tackles limitations of Smart Mobile Devices (SMDs) such as limited battery lifetime, limited processing capabilities, and limited storage capacity by offloading the execution and workload to other rich systems with better performance and resources. This paper presents the current offloading frameworks, computation offloading techniques, and analyzes them along with their main critical issues. In addition, it explores different important parameters based on which the frameworks are implemented such as offloading method and level of partitioning. Finally, it summarizes the issues in offloading frameworks in the MCC domain that requires further research.
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Despite the evolution and enhancements that mobile devices have experienced, they are still considered as limited computing devices. Today, users become more demanding and expect to execute computational intensive applications on their smartphone devices. Therefore, Mobile Cloud Computing (MCC) integrates mobile computing and Cloud Computing (CC) in order to extend capabilities of mobile devices using offloading techniques. Computation offloading tackles limitations of Smart Mobile Devices (SMDs) such as limited battery lifetime, limited processing capabilities, and limited storage capacity by offloading the execution and workload to other rich systems with better performance and resources. This paper presents the current offloading frameworks, computation offloading techniques, and analyzes them along with their main critical issues. In addition, it explores different important parameters based on which the frameworks are implemented such as offloading method and level of partitioning. Finally, it summarizes the issues in offloading frameworks in the MCC domain that requires further research.
Thanks
Hope you will be like my answer...
Please mark as brilliant answer....
;)
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INTRODUCTION
Cloud computing is where software applications, processing power, data and artificial intelligence are accessed over the Internet. Many private individuals now regularly use an online e-mail application such as Gmail, as well as sharing photos and video on social networking sites like Facebook. However, these types of cloud computing activities are just the beginning. Indeed, it is likely that within a decade the vast majority of personal and business computing will be Internet based.
According to IDC, cloud computing was a $47.4bn industry in 2013, and will be worth $107bn by 2017 (IDC). Like it or loathe it, cloud computing is thereore far more than hype. In fact, I would suggest that cloud computing has now become such an unstoppable force that the only real choice for any of us is whether we want to be part of the cloud computing steamroller or the traditional computing road.
This section of ExplainingComputers.com provides an overview of cloud computing. In particular it focuses on the phenomenon's characteristics, how it works in practice, and the key factors that are driving its uptake. You can learn more by watching my cloud computing videos or by reading my book A Brief Guide to Cloud Computing.
CLOUD COMPUTING CHARACTERISTICS
So what, you may reasonably ask, is the cloud? Well, for years the Internet has been represented on network diagrams by a cloud symbol. When, around 2008, a variety of new services started to emerge that permitted computing resources to be accessed over the Internet, the label "cloud computing" therefore emerged as an umbrella term. Does this mean that we really ought to be talking about "Internet computing"? Well, perhaps. However, in the strictest sense, the "cloud" is a label for online computing resources rather than the entire Internet. The term "cloud computing" is also useful to separate the kinds of things we have been doing online for a couple of decades from a totally new age of online software and processing power.
I have already said that cloud computing is where software applications, processing power, data and potentially even artificial intelligence are accessed over the Internet. Building on this basic definition, it can also be stated that cloud computing is where dynamically scalable, device-independent and task-centric computing resources are provided online, with all charges being on a usage basis.
Cloud computing is dynamically scalable because users only have to consume the amount of online computing resources they actually want. Just as we are used to drawing as much or as little electricity as we need from the power grid, so anybody can now obtain as many or as few computing resources from the cloud as they require at any particular point in time.
Cloud vendors including Amazon Web Services (AWS) now quite literally sell computer processing power by the hour. For example, anybody can now rent "virtual server instances" from Amazon's Elastic Compute Cloud or "EC2" service for as little as $0.02 an hour (or indeed you even sign up for a one-year trial of the AWS Free Usage Tier for nothing). As Amazon explain, "EC2 reduces the time required to obtain and boot new server instances to minutes, allowing [customers] to quickly scale capacity, both up and down, as [their] computing requirements change".
Cloud computing is device-independent because cloud computing resources can be accessed not just from any computer on the Internet, but also any type of computer. Provided that it has an Internet connection and a web browser, it really does not matter if the computer being used is a traditional desktop or laptop PC, or a tablet, smartphone or smart TV. Such device independency is also a killer feature of cloud computing because it means that users can move between computing devices -- such as their work PC, home PC, laptop and tablet -- without having to worry that they will always have access to the latest versions of their files.
Cloud computing is task c
Cloud computing is where software applications, processing power, data and artificial intelligence are accessed over the Internet. Many private individuals now regularly use an online e-mail application such as Gmail, as well as sharing photos and video on social networking sites like Facebook. However, these types of cloud computing activities are just the beginning. Indeed, it is likely that within a decade the vast majority of personal and business computing will be Internet based.
According to IDC, cloud computing was a $47.4bn industry in 2013, and will be worth $107bn by 2017 (IDC). Like it or loathe it, cloud computing is thereore far more than hype. In fact, I would suggest that cloud computing has now become such an unstoppable force that the only real choice for any of us is whether we want to be part of the cloud computing steamroller or the traditional computing road.
This section of ExplainingComputers.com provides an overview of cloud computing. In particular it focuses on the phenomenon's characteristics, how it works in practice, and the key factors that are driving its uptake. You can learn more by watching my cloud computing videos or by reading my book A Brief Guide to Cloud Computing.
CLOUD COMPUTING CHARACTERISTICS
So what, you may reasonably ask, is the cloud? Well, for years the Internet has been represented on network diagrams by a cloud symbol. When, around 2008, a variety of new services started to emerge that permitted computing resources to be accessed over the Internet, the label "cloud computing" therefore emerged as an umbrella term. Does this mean that we really ought to be talking about "Internet computing"? Well, perhaps. However, in the strictest sense, the "cloud" is a label for online computing resources rather than the entire Internet. The term "cloud computing" is also useful to separate the kinds of things we have been doing online for a couple of decades from a totally new age of online software and processing power.
I have already said that cloud computing is where software applications, processing power, data and potentially even artificial intelligence are accessed over the Internet. Building on this basic definition, it can also be stated that cloud computing is where dynamically scalable, device-independent and task-centric computing resources are provided online, with all charges being on a usage basis.
Cloud computing is dynamically scalable because users only have to consume the amount of online computing resources they actually want. Just as we are used to drawing as much or as little electricity as we need from the power grid, so anybody can now obtain as many or as few computing resources from the cloud as they require at any particular point in time.
Cloud vendors including Amazon Web Services (AWS) now quite literally sell computer processing power by the hour. For example, anybody can now rent "virtual server instances" from Amazon's Elastic Compute Cloud or "EC2" service for as little as $0.02 an hour (or indeed you even sign up for a one-year trial of the AWS Free Usage Tier for nothing). As Amazon explain, "EC2 reduces the time required to obtain and boot new server instances to minutes, allowing [customers] to quickly scale capacity, both up and down, as [their] computing requirements change".
Cloud computing is device-independent because cloud computing resources can be accessed not just from any computer on the Internet, but also any type of computer. Provided that it has an Internet connection and a web browser, it really does not matter if the computer being used is a traditional desktop or laptop PC, or a tablet, smartphone or smart TV. Such device independency is also a killer feature of cloud computing because it means that users can move between computing devices -- such as their work PC, home PC, laptop and tablet -- without having to worry that they will always have access to the latest versions of their files.
Cloud computing is task c
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