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Web Hosting - Redundancy and Failover Among the more useful innovations in computing, actually invented decades ago, are the twin ideas of redundancy and failover. These fancy words name very common sense concepts. When one computer (or part) fails, switch to another. Doing that seamlessly and quickly versus slowly with disruption defines one difference between good hosting and bad. Network redundancy is the most widely used example. The Internet is just that, an inter-connected set of networks. Between and within networks are paths that make possible page requests, file transfers and data movement from one spot (called a 'node') to the next. If you have two or more paths between a user's computer and the server, one becoming unavailable is not much of a problem. Closing one street is not so bad, if you can drive down another just as easily. Of course, there's the catch: 'just as easily'. When one path fails, the total load (the amount of data requested and by how many within what time frame) doesn't change. Now the same number of 'cars' are using fewer 'roads'. That can lead to traffic jams. A very different, but related, phenomenon occurs when there suddenly become more 'cars', as happens in a massively widespread virus attack, for example. Then, a large number of useless and destructive programs are running around flooding the network. Making the situation worse, at a certain point, parts of the networks may shut down to prevent further spread, producing more 'cars' on now-fewer 'roads'. A related form of redundancy and failover can be carried out with servers, which are in essence the 'end-nodes' of a network path. Servers can fail because of a hard drive failure, motherboard overheating, memory malfunction, operating system bug, web server software overload or any of a hundred other causes. Whatever the cause, when two or more servers are configured so that another can take up the slack from one that's failed, that is redundancy. That is more difficult to achieve than network redundancy, but it is still very common. Not as common as it should be, since many times a failed server is just re-booted or replaced or repaired with another piece of hardware. But, more sophisticated web hosting companies will have such redundancy in place. And that's one lesson for anyone considering which web hosting company may offer superior service over another (similarly priced) company. Look at which company can offer competent assistance when things fail, as they always do sooner or later. One company may have a habit of simply re-booting. Others may have redundant disk arrays. Hardware containing multiple disk drives to which the server has access allows for one or more drives to fail without bringing the system down. The failed drive is replaced and no one but the administrator is even aware there was a problem. Still other companies may have still more sophisticated systems in place. Failover servers that take up the load of a crashed computer, without the end-user seeing anything are possible. In fact, in better installations, they're the norm. When they're in place, the user has at most only to refresh his or her browser and, bingo, everything is fine. The more a web site owner knows about redundancy and failover, the better he or she can understand why things go wrong, and what options are available when they do. That knowledge can lead to better choices for a better web site experience.

Free Downloadable Software – Not Always a Scam Do you want to download free software off the World Wide Web, but you are afraid of getting your computer infected with a virus, spyware or other bad cyber invaders? If so, you will be happy to learn that there are many websites that specialize in legitimate free downloads that won't cause your computer to become awash in viruses or spyware. Here is a just a brief sampling of different websites that specialize in free (and safe) downloadable software. These sites let you enjoy the best of the web without the danger of less reputable websites. Get Your Fill of Entertainment at Download.com Are you looking for a place where you can download free games and tools? If so, Download.com should cause you to rejoice. This site contains a wide range of games, tools and utilities. This website bills itself as a haven for "safe, trusted and spyware-free" software. Savvy web surfers know that Download.com offers the best library of legal and totally free software downloads, game downloads and music downloads. This website is also known as a well-regarded repository of credible and relevant information about the latest game releases, software updates and other free downloads. All of the downloadable software found on this site is put through a rigorous set of tests. Moreover, registration is fast and free. You can even write your own reviews for software and participate in the active CNET forums. From fun to functional, you can probably find what you are looking for right here. Update Your Drivers for the Smoothest Web Experience In order to make sure that you always get the smoothest online experience possible, make sure to update your drivers on a regular basis. DriversHQ.com offers you an easy way to make certain that you always have the best and latest drivers on your computer. This site allows you to detect its own Driver Detective software services. Drivers Headquarters is known as the best driver update service. This service is easy to use and it is designed to help you upgrade your update your drivers in a safe and fast manner. They even have new drivers that support XP and Vista programs. Use their driver detective to find what needs to be updated, and to update your current drivers. Tired of Nagging Software Updates? Then Head On Over to Nonags.com Are you tired of downloading software, only to have it nag you with updates on a regular basis? Are you tired of being hassled by your own downloads to buy the upgraded versions? Here is a refreshing website that offers you downloads that do not put a limit on the number of days you can use them, and that do not constantly pester you to purchase the upgraded version of the software download. This website is an amazing compendium of the latest freeware, along with editor picks and user ratings. Get the Latest and the Greatest at Tucows Where can you turn for the latest and the greatest in safe software downloads. If so, you will want to place a bookmark on the Tucows.com website. This is one of the most amazing collections of safe and effective downloadable software. You can choose from freeware, shareware and pay software. Tucows.com features software downloads for your Windows PC, your Mac, Linux-based systems, your PDA and programs to streamline and improve your online experience. This site has become a popular spot to find hard-to-find software for Mac computers. Enjoy the editorial ratings and the myriad range of programs and tools. Enjoy everything from poker software downloads to design programs that help you achieve your highest level of creativity.

Copyright Infringement Play It Safe: Making Sure You're Not Committing Copyright Infringement Copyright infringement is not an easy thing to explain. While it may seem as simple as not using someone else’s work, it’s not that easy. Thanks to the Electronic Frontier Foundation, and many other organizations, we have the ability to use others’ works – as long as we use it under ‘fair use’ laws. So what does fair use have to do with copyright infringement, and how can you utilize it? Fair use laws are the conditions in which you can use a copyrighted work without having to pay someone royalties. This includes when you use a copyrighted work for educational or instructional uses, criticism of the work, commentaries on the work, news reporting about the work, teaching on the work (including multiple copies for classroom use), scholarship uses, and research. This is talked about fully in Section 107 of the Copyright Code (commonly called Fair Use) and is available for you to read at your local library. Copyright Infringement in day-to-day life Sometimes, if you’re writing a paper for work or school, or if you are creating a Power Point presentation, you need to use someone’s work that is already in copyright. So how do you use it without committing copyright infringement? All you have to do is ask – the worst they can say is no, right? But, if they do say no, there are several items in the public domain which may help you to finish your project without having to commit copyright infringement. What is the public domain, and how does it relate to copyright infringement? Material that is not copyrighted is considered in the public domain – you cannot commit copyright infringement on works in the public domain. These works include things that the copyright has expired on, or is not copyright-able – such as government publications, jokes, titles, and ideas. Some creators (writers, musicians, artists, and more) deliberately put their work in the public domain, without ever obtaining copyright, by providing an affiliation with Creative Commons. Creative Commons allows people who create materials to forfeit some, or all, of their copyright rights and place their work either partially or fully in the public domain. So, how do I ensure I’m not committing copyright infringement? First of all, if you’re going to use someone else’s material, you may want to check the public domain to see if something is suitable for use, instead of trying to use someone else’s copyright. However, if you can’t find something suitable (and you can’t create something yourself), the next best thing (and your only legal course of action) is to find a piece that is in copyright, and contacting the copyright holder. When you contact the copyright holder, make sure you tell them what you want to use their piece for – whether it’s for your blog, podcast, or report – and ask them if you can use it. You may have to pay royalties, or an attribution in your piece, or a combination of both. The creator may also place many limitations on when and how you can use their material. Follow all these instructions they give you, and you’ll be free and clear to use their work as you want. Once you have permission to use a copyrighted work, you need to make sure you stay within the agreed-upon boundaries - if you veer outside their agreed terms, you may open yourself up for a copyright infringement lawsuit – which can be nasty, costly, and time consuming. If you’re in doubt, before contacting the copyright holder, contact a copyright lawyer to ensure you’re following the law – and protect yourself!