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     Cloud computing is a style of computing in which dynamically scalable and often virtualized resources are provided as a service over the Internet. Users need not have knowledge of, expertise in, or control over the technology infrastructure in the “cloud” that supports them. Cloud computing is a method of delivering hosted services — Infrastructure-as-a-Service (IaaS), Platform-as-a-Service (PaaS) and Software-as-a-Service (SaaS) – over the Internet in a fast, cost-effective way. The technology has gained popularity in a weakened economy as enterprises seek ways to save money, but as always, this emerging technology presents certain risks, and it could open an organization to security vulnerabilities and threats. 

    The concept generally incorporates combinations of  infrastructure as a service (IaaS) , platform as a service (PaaS), software as a service (SaaS) . Cloud computing services often provide common business applications online that are accessed from a web browser, while the software and data are stored on the servers. Cloud computing can be confused with  Grid computing  which is a form of distributed computing whereby a ‘super and virtual computer’ is composed of a cluster of networked, loosely-coupled computers, acting in concert to perform very large tasks and  Utility computing – the packaging of computing resources, such as computation and storage, as a metered service similar to a traditional public utility such as electricity

Characteristics

    Cloud computing customers do not generally own the physical infrastructure serving as host to the software platform in question. Instead, they avoid capital expenditure by renting usage from a third-party provider. They consume resources as a service and pay only for resources that they use. Many cloud-computing offerings employ the utility computing model, which is analogous to how traditional utility services (such as electricity) are consumed, while others bill on a subscription basis. Sharing “perishable and intangible” computing power among multiple tenants can improve utilization rates, as servers are not unnecessarily left idle (which can reduce costs significantly while increasing the speed of application development). A side effect of this approach is that overall computer usage rises dramatically, as customers do not have to engineer for peak load limits. Additionally, “increased high-speed bandwidth” makes it possible to receive the same response times from centralized infrastructure at other sites.

Companies

     Vmware, Sun Microsystems, IBM, Amazon, Google, Microsoft and Yahoo are some of the major cloud computing service providers. Cloud services are being adopted by individual users through large enterprises including vmware, General Electric and Procter & Gamble.

Cloud computing types

Public cloud

     Public cloud or external cloud describes cloud computing in the traditional mainstream sense, whereby resources are dynamically provisioned on a fine-grained, self-service basis over the Internet, via web applications/web services, from an off-site third-party provider who shares resources and bills on a fine-grained utility computing basis.

Hybrid cloud

     A hybrid cloud environment consisting of multiple internal and/or external providers “will be typical for most enterprises”.

Private cloud

     Private cloud and internal cloud are neologisms that some vendors have recently used to describe offerings that emulate cloud computing on private networks. These (typically virtualization automation) products claim to “deliver some benefits of cloud computing without the pitfalls”, capitalising on data security, corporate governance, and reliability concerns. They have been criticised on the basis that users “still have to buy, build, and manage them” and as such do not benefit from lower up-front capital costs and less hands-on management, essentially “[lacking] the economic model that makes cloud computing such an intriguing concept”.

Cloud Computing and Security Issues

     The benefits of virtualization and cloud computing are transforming the way we look at IT outsourcing for development, testing, and production.  Existing skills, processes, and projects seem to translate naturally to a virtualized environment, and few obstacles seem to impede the adoption of the cloud model for production.  Practitioners and the media alike have touted the potential security issues of virtualization.  The cloud brings with it a layer of additional security considerations, in terms of both technology and process.

     This layer of additional security isn’t necessarily scary or complicated.  But right now, trust in the security of cloud computing is the number one impediment to its growth.  This article takes a look at the cloud from various points of view.  I will compare real-world examples to look at security implications of the Cloud, and show how they integrate with traditional security processes.

 

 

Online installment loan is a huge relief for the people who in urgent need of money to meet an emergency or to meet daily needs, at the end of the month. These types of loans are available for you from your unexpected economic crisis in more logical interest rate so you can easily repay the loan in monthly installments. And such payments shall be at your convenience, as you can pay a lump sum or in monthly installments of many when you receive your monthly salary.

This personal installment loan is often called a cash advance because it will return as soon as the person receives his next salary. For this loan advance service, you must submit an application online; you can easily download on the website. And then filling the application form online, simply submit the online method. All these things will take some of your minutes. And it is much better than bank loans, where you can apply to several hours. So if you apply to offer these loans, you may have debts to 24 hours.

The need for these procedures, you must be a U.S. citizen and holds a valid checking account with a U.S. bank. Your age will not be under 18 and you must have a residence in the United States. They all need to meet for the lending of money through this system. If you want quick cash with almost no negative terms and conditions, you can ask the plan without a thought. You do not need to give any type of security for the approval of these loans which also makes it great for you.

There is not a gamer alive that would not leap at the chance to land a jobas a Game Testers. The video game tester is involved early in the development stage of a game to catch and eliminate design flaws. In basic terms, Game Development is the process of designing, writing, and programming a video game to create the final, interactive product known as a video game. The game tester runs the game thru the gamut to ensure that it is error-free before hitting store shelves. When bugs do pop-up, the game tester documents the error so that the programmers can fix the problem.

 

A video game tester’s primary role is to find and document problems. There are different types of game testers. Some may only test the software under certain conditions. Others only test for hardware issues under different scenarios. Both roles are both equally important. The developers need to know how the game reacts under a multitude of extreme gaming conditions. Equally important is to know how the gaming console reacts under extreme gaming scenarios.

When a video game is tested, the game tester runs the through a set of very specific instructions and then documents the results. Therefore, one character trait a game tester must possess is the ability to follow directions closely. Furthermore, the tester must possess excellent communication skills in order to document and relay the results of the test to the game programmers, so that the errors can be corrected.

When an error is found in the game, it is reported to the programmers so that they can remedy the issue. To ensure quality control, game testing is introduced into the game development process early. The game is tested before some of the game components are even tied together. During this stage, the tester is only testing a very small section of the game’s software. Yet, it is necessary to do this in order to catch and correct bugs as early as possible.

Finally,Game Design is very important. The thought of sending a flawed video game to market is enough to send shivers up a video game executive’s spine. They understand what is at stake, specifically revenue, market share, and their reputation. Nobody wants to lose their hardcore gamers. They are the not only the best customers, but they are a great word of mouth advertising force as well. A recall of video games from store shelves would be one nearly the ultimate of bad publicity for any video game company, and this is why the testing process is so rigorous and important.

In the end, anyone who loves video games and gadgets should consider becoming a game tester. You will need to be disciplined, have patience, be able to follow methodical directions, and possess good observation and communication skills. However, for the right person, this job just might be a video gamer’s dream job.

 

An Associated Press (AP) report recently stated that security products still sell despite the widespread availability of free software. Falling under the category of security would be anti virus software, anti spyware software, email spam blockers, firewalls and the like. The article points out that many internet service providers give out some form of free versions of these computer security products but still, security vendors are moving forward with the release of their latest line of products.

Consumer behavior can sometimes be an extremely complicated puzzle to analyze. But clearly, this news article actually reflects seriousness among consumers in protecting their personal computers. A few years ago, the concept of computer security was not even in most consumers’ radar screen, which could have probably contributed to the proliferation of viruses, worms, trojans and other forms of malicious software.

Free computer security products actually have been available to the consumer for a number of years. It all starts when the consumer buys a computer system. The computer system vendor usually bundles a CD-ROM that contains the usual necessities such as browsers, pdf readers, system monitor tools and an OEM version of an anti virus program. OEM version (as against retail version) stands for Original Equipment Manufacturer, and these products can be described in simple terms as bare bones programs. OEM products are sold by the manufacturer (for example, the anti virus company) to the computer system vendor at greatly reduced cost and that is why the vendor can afford to pass it on to the consumer for free. But to reduce the cost may necessarily mean reducing functionality, meaning less features or no operating manual, etc.

Perhaps learning from bad experiences in the past with computer viruses, it is evident from the AP report that consumers simply do not want to place their computers, which may contain sensitive personal information, at risk. That is indeed a good sign because it simply cannot be emphasized enough that the threats to computer security are a reality. If you own one of those fancy firewall programs that provide real-time reports on the IP addresses of computers sniffing at your computer, you will surely agree that every other minute some rogue on the internet is trying to poke into your computer.

Almost all of these anti virus vendors now provide an entire suite of computer security programs. This means that aside from the anti virus program itself, you also get a firewall, email spam blocker or filter, and anti spyware all integrated into it. All these programs have a built-in scheduler that will download updates without regular user intervention, a feature that the free software may not have. This reflects an attitude among consumers that they do not mind spending a few dollars more for the convenience. After all, a computer is supposed to enhance productivity and spending time tinkering on each security software certainly takes away from it.

For those still deciding on which vendor to purchase from, the decision could not be any simpler. All the security vendors offer free downloads of trial versions of their products. The trial versions usually offer you an entire month to use their products before some of the key functions are disabled. Some vendors are also given bragging rights by reputable consumer groups through the form of awards of excellence in their industry.

Similar to test driving an automobile before buying, go ahead and test drive a security product before deciding on the one that is right for you. In today’s wired world, you certainly should put your foot down on those nosey enough to pry into the privacy of your personal computer.