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Web Hosting - Domain Name Changes and How They Affect You
New domain names are registered all the time, and ones previously registered expired. Sometimes that's the result of simple neglect. The owner of the name chose not to renew his or her ownership, so the name became available for someone else to use. In rare cases, a highly original mind managed to think of a new one. In the other common scenarios, someone chose to just let it go or sell it.
When you choose to change your domain name, there are actually two separate steps involved: releasing the old name, and adopting the new one. But, just as the postal system can have difficulty forwarding your letters when you change your personal name, changing your domain name brings certain difficulties.
One of the most prominent is the fact that any name change requires a change to thousands of DNS Servers around the globe. DNS (Domain Name System) is the set of software/hardware components that allows domain names to map to IP addresses. IP addresses are what are actually used 'under the covers' when one computer communicates with another.
Note that there isn't always a 1:1 correspondence between a name and an IP address. One IP address can serve multiple domain names and one domain name can have multiple IP addresses. For the sake of simplicity, we'll stick to the common case here.
DNS servers around the world maintain internal databases that match the name to an IP address. Not all servers have all pairs of names/addresses. A series of complex routines allows a request to be forwarded when the particular DNS server doesn't have a needed record. When you acquire a domain name that used to be associated with a given IP address, the odds of you acquiring the same IP address are extremely low.
In the unlikely case, for example, that you acquired the domain name yahoo.com, you would almost certainly not get the IP address that was matched with it (unless you bought the Yahoo! company). So, as a result of the change, the name/IP address pair is no longer what it was.
A similar circumstance exists when you retain your IP address, but want to change the domain name associated with it. In either case, the pairing has changed.
The catch is this: when the change takes place, those DNS databases are not all updated instantaneously around the world.
Even apart from the limited speed with which computers and networks operate, (and neglecting the human factor if/when the change is made manually to more than one server) the reason is something called caching.
In order to communicate efficiently, DNS servers are designed to assume that changes will be relatively rare. Just as with the postal system, you don't move your address or change your name every minute. Since that's true, in general, the name/IP address pair is cached. A cache is a set of stored information that is reused so that fresh information doesn't have to be communicated with every request for a web page or data.
A chain of DNS servers pass requests to the last known address. There is usually more than one system between your computer and the server you want to communicate with. Most of the time, that's your current name/address. When you change the name, that pair is no longer valid. In order to propagate the new name/address pair (so the terminology goes), that cache has to be refreshed.
Something similar happens when you establish an entirely new name. That name is first associated with an IP address and that pair has to be communicated to DNS servers around the world in order for you to be able to reach any one of them at random.
But DNS servers don't do that until they are requested to do so by your action of asking for information from a remote server. Because of that, but chiefly because of caching, it can take quite a while for the new pair to become known around the Internet. Caches can expire and get refreshed in a few minutes or a few hours. It varies.
That time can be as short as an hour or less, if the path between your computer and the web server is very simple and only one DNS server needs to be updated. Or, it can take up to 48 hours or more. Though the 'official' range is often given by registrars as 24-48 hours, the average is closer to about six hours. But that's an average. The actual time in any given case can (and does) vary widely.
In the meantime, a number of effects can occur. The most obvious is that, since the name/IP address pair can't be resolved properly, you don't reach the server you want. Your browser points to the old one (in the rare case it's still accessible by that name and address), or it simply reports there's no such name at that address.
So, when registering a new name or buying an old one, you should establish the site, but not advertise it for at least a couple of days. Better to wait to get visitors than to turn them off by being 'not at home' when they call.
Web Hosting - Sharing A Server – Things To Think About You can often get a substantial discount off web hosting fees by sharing a server with other sites. Or, you may have multiple sites of your own on the same system. But, just as sharing a house can have benefits and drawbacks, so too with a server. The first consideration is availability. Shared servers get re-booted more often than stand alone systems. That can happen for multiple reasons. Another site's software may produce a problem or make a change that requires a re-boot. While that's less common on Unix-based systems than on Windows, it still happens. Be prepared for more scheduled and unplanned outages when you share a server. Load is the next, and more obvious, issue. A single pickup truck can only haul so much weight. If the truck is already half-loaded with someone else's rocks, it will not haul yours as easily. Most websites are fairly static. A reader hits a page, then spends some time skimming it before loading another. During that time, the server has capacity to satisfy other requests without affecting you. All the shared resources - CPU, memory, disks, network and other components - can easily handle multiple users (up to a point). But all servers have inherent capacity limitations. The component that processes software instructions (the CPU) can only do so much. Most large servers will have more than one (some as many as 16), but there are still limits to what they can do. The more requests they receive, the busier they are. At a certain point, your software request (such as accessing a website page) has to wait a bit. Memory on a server functions in a similar way. It's a shared resource on the server and there is only so much of it. As it gets used up, the system lets one process use some, then another, in turn. But sharing that resource causes delays. The more requests there are, the longer the delays. You may experience that as waiting for a page to appear in the browser or a file to download. Bottlenecks can appear in other places outside, but connected to, the server itself. Network components get shared among multiple users along with everything else. And, as with those others, the more requests there are (and the longer they tie them up) the longer the delays you notice. The only way to get an objective look at whether a server and the connected network have enough capacity is to measure and test. All systems are capable of reporting how much of what is being used. Most can compile that information into some form of statistical report. Reviewing that data allows for a rational assessment of how much capacity is being used and how much is still available. It also allows a knowledgeable person to make projections of how much more sharing is possible with what level of impact. Request that information and, if necessary, get help in interpreting it. Then you can make a cost-benefit decision based on fact.
Editing for the Next Generation: The MySpace Form (myspace editing) The goal of a good editor is to make any piece of text appropriate for its audience and form. Books must fit into the expectations of a publishing company in order to fit the expectations of those who buy the books. Magazine articles must fit the style of the magazine including its goals and also its audience?s expectations. Content is certainly important, but voice and specific word choice are also big components of catering to an audience. A scientific magazine should not sound like the latest gossip. Likewise, a glamour magazine should be far from stiff and boring. When it comes to internet editing, even more elements are added to the typical editing criteria. Consider for a moment the different aspects of editing for the MySpace pages. Individual Pages An individual is not required to edit their pages. MySpace editing does often involve self-editing however. A page owner is writing about themselves, introducing themselves to many other people. No doubt that page owner wants to send the right message. Self-definition is very important in order to effectively communicate your intentions with others. That is where MySpace editing comes in. Here again, word choice is very important. Careful use of adjectives and other descriptive words can paint a picture for other visitors to the site. Using generic terms like ?thing? and ?a lot? will leave a person sounding boring and bland. In addition to self-representation, individual pages really should be edited for appropriate citations. That may sound tedious and so like ninth grade English class, but it is important. Quoting authors and lyricists on your page is an effective way to express your own feelings, but if the words are not your own, you cannot claim them. Plagiarism is wrong. In addition to the ethical issues, you should give credit to the people you quote for other reasons as well. Visitors to your page may really appreciate the words and lyrics that you quote. If you give credit to their author, other people can find more similar words to enjoy. Corporate Pages MySpace editing is useful for individuals, but it also opens up job opportunities. Because of the popularity of MySpace pages, advertisers have naturally started enjoying the benefits of the high traffic. The problem is that many advertisers may not be familiar with the format of MySpace nor the appropriate language to use to reach the audience that is surfing there. A qualified user can use their expertise to help corporations effectively use the pages in order to best reach the audience. A member of that audience can edit for the presentation of content so that it will be the most effective at getting the readers? attention. If you are one of these qualified users, MySpace editing could lead you to a successful career in all kinds of editing. Use your own page as a resume. If you aren?t interested in the career, you could just have some fun making the most of someone?s use of the pages. You will no doubt be well rewarded for your efforts. MySpace editing can take more than one form. The important thing to remember is that no matter what the format is for writing, correctness is important. Especially when your words are representing you, you will want to be clear and correct in your writing. Giving credit to those people you quote is the correct thing to do ethically, but it is also respectful. Finally, editing for companies without the proper know-how when it comes to internet advertising could be quite profitable. You?ll be more likely to get the job if your own page is effectively and correctly put together.
Copyright music Copyright Music in Order to Protect Future Profits If you are a budding artist seeking to copyright music that you have labored over, there is good news. Many people confuse copyrighting music with registering music and they are two different things. According to the law in the United States, once you have written or recorded your music in a permanent form, it is copyrighted. Of course, it might help to first understand what it means to copyright music in the first place. A copyright is a certain legal protection that is offered to those who compose creative works. Whether those works be art, music, or the written word. According to the U. S. constitution there are limits that can be placed on the amount of time that the work is exclusively protected. If you copyright music, this means that you and you alone have the right to use your work or allow others to use your work. You also have the right to distribute copies of your work. Whether those copies are in the form of written or sheet music or recorded music to the public as well as the right to perform your music for the public. There is something called fair use that despite your copyright; music written or recorded by you may be used for the purpose of research, news reporting, commentary, or criticism. In other words, there are times when the use of copyrighted material is deemed appropriate without the consent of the one holding the copyright. To copyright music alone is not enough in many cases to protect your music, at least not without going through a lot of hoops in order to do so. One of the things you can do in order to protect your copyright is provide notice of copyright. This is a simple step that includes writing a simple statement to the effect of the word "copyright", the date, and your name at the bottom of your sheet music or on the case for the recording or the actual recording itself. CD's are the most common means for recording devices today and a notice of copyright can easily be added to the exterior of your CD or on your label if you have one printed. In case you are wondering: why copyright music? The answer is rather simple, so others cannot take credit for your creative genius. For an added layer of protection you may want to consider registering your copyright as well. Registering your copyright will provide you with formal legal documentation of your ownership of your music should anyone else attempt to lay claim to your music or any other dispute about true ownership/authorship come about. You must have your copyright registered if you wish to file a copyright infringement suit and it is, in my humble opinion, better to not only copyright music early on but also to register your copyright before it could possibly become an issue. Registering while not entirely painless is not as difficult a process as you might think. Basically it involves filling out an application, paying a filing fee (check with the U. S. Copyright Office for the current amount), and a copy of the work being protected (this will not be returned). It's also important to remember that your music doesn't have to be published in order for you to obtain a copyright. Music should be copyrighted and registered long before the publication process in order to protect your rights as the creator of the music. Whether you are dabbling with cute little limericks or writing masterpieces and concertos or are rock and rolls next super star you want to make sure to copyright music earlier rather than later for the best possible outcome should problems arise.