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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.
Taking Advantage of a Free Service to Find Great Grocery Deals Are you interested in saving money on your groceries? Are your grocery bills getting you down? With the rising cost of food staples, it is becoming more important than ever before to choose carefully and shop smart. Fortunately, if you are willing to do the research and homework, you can find many great deals that can save you hundreds on your monthly grocery bill. Here is a free service that can help you find great grocery deals. This new grocery service is known as mygrocerydeals.com. Here is a brief run-down of what this new system can do for you. What Can MyGroceryDeals.com Do For You? There are many web-based services, and while many offer fine free services, very few can help you save actual money on your grocery deals. It is a good thing that mygrocerydeals.com came along, then. What can this web-based service do for you (and your grocery food bill?). Mygrocerydeals.com is directed at those savvy food shoppers that rifle through the weekly circular ads on a regular basis, and those that spend their long Sunday mornings clipping coupons with a cup of coffee in hand. If you are tired of this dull ritual, fear not?mygrocerdeals.com is here to save you from this routine. Discovering the Scope of MyGroceryDeals.com Basically, this fine web-based service saves you the trouble of having to rifle through all that newsprint and coupon circulars. This web-based service is basically a giant database of local grocery store offers and specials. By using this easy web-based service, you can build your very own grocery list and even build shopping lists for the store that you prefer to shop at. You can also choose to browse the various deals and steals at your local grocery stores. Furthermore, you can even get information about the products you are shopping for. With this easy to use web-based service, you can even check out the nutrition database, food allergy alerts and other pertinent information. You can create your own virtual shopping list and then print it out for when you are ready to hit the store. Even better, you can download special deals and coupons for foods on your shopping list. How You Can Use MyGroceryDeals.com If you are ready to use this free web-based service, you can begin by registering a new account. You will need to enable pop-ups in order to get the full scope of the website. Most links will show up in a pop-up, so be sure that you check your Internet preferences before you begin. The website allows you to compile grocery lists and even save lists for future reference. You can try the 'try us now' link in order to browse your local store and select your closest location. You can even browse the stores in your surrounding areas. Before you submit your registration, note that there is a small check box asking you whether you would like to receive a free copy of Taste of Home Magazine. Make sure that the box is checked or unchecked accordingly. Get a Taste of the Printable Coupons One of the best things about using the mygrocerdeals.com web-based service is that you can gain easy access to a large collection of printable coupons. Make certain that your printer is ready to go before you log on. Also, be forewarned that in order to print out many of these coupons, you will need to install a browser plug-in from Coupon.com if you don't already have this driver installed on your computer. If you have already printed coupons from the World Wide Web before, chances are that you already have this plug-in installed. You can test this by attempting to print out new coupons.
Copyright lawyer trademark Learning about a Copyright Lawyer Trademark You may need a copyright lawyer trademark if you own your own website or are an author of a book. If you haven?t already spoke with one you may want to do it very soon to find out if your articles/site can be trademarked or if it is already taken. One way to make sure you have the copyright to all of your work is by making sure you have the little ?c? inside the circle at the end of your article or the bottom of your webpage. For instance a slogan can be considered a trademark, think of the milk commercial, remember that certain phrase? You can bet money that had a copyright lawyer trademark it for the milk company. There are many popular household products that have been trademarked; you probably wouldn?t recognize the product without it. Drive down the road and look at how many trademarks you see on restaurants, each one of those famous places had a copyright lawyer trademark their signature. Many products that may need protecting may include songs, products such as household or commercial, designs, ads, etc. If you think the idea is a good one, it probably needs some form of protection and the best person to help you with that is a copyright lawyer trademark. There are actually three forms of trademark that you probably weren?t aware of which is why a good copyright lawyer trademark will come in handy. There is common trademark which is just like it sounds. A state trademark, which means you, filed your trademark with the state in which you reside. An example for this might be a company using their city in their business name. Third is the federal registration trademark, this is a registration that can be renewed every year or forever. Someone that has a website that is becoming popular may want to make sure they reserve their trademark forever so that someone else doesn?t buy it down the road. Keep in mind that just because you buy a domain name doesn?t mean you actually own the trademark, you might actually see another site with the same name. If you don?t want this to be the case, have a copyright lawyer trademark it. A great example of showing you how a copyright lawyer trademark works would be by looking at the recent celebrities that bought the trademarks to their children?s names so no one can cash in on their names. Believe it or not even a copyright lawyer can have a trademark, that?s right they may have their own site or logo on a business card. In this case they?ve probably done all that fancy paperwork that you are getting started to do, which means they?ll have first hand knowledge when it comes time to help you out. This should actually make you feel a lot more comfortable than dealing with a lawyer that just knows the job; this one actually has experience that will help you. Know what you want to be yours and how long you want it; if it is something that you just can?t live without or you know will be worth something someday you may want to hire a copyright lawyer to trademark it. This way it is always yours and you never have to worry about someone else using it, they will always have to have your permission. Not to mention if they ever try suing you for using it you can always prove that you are the owner. Protect your stuff by getting a copyright lawyer trademark all things that matter.