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Web Hosting - When Changing Web Hosts Nearly everyone will want to change to a new web host at some point. It may involve just changing out old hardware for new. It usually means finding an entirely new web hosting company. When faced with that decision there are a number of issues to be considered. Swapping hardware and/or software is a fairly straightforward decision. There are two possible scenarios. Either you maintain your own hardware and software at a facility managed by others, or you are considering upgrading to newer (usually more expensive) systems maintained by others. In either case, it's simply a matter of estimating the cost and the short-term impact versus the long-term benefits. If the system(s) you currently use are short on capacity, sooner or later you'll be sufficiently motivated to make the change. Either the hardware will become unreliable or loaded to the point you'll be forced to migrate, or your needs will expand enough to justify the effort and expense of moving. Similar considerations apply to the scenario in which you rely on the web hosting company for everything, and want to find someone else to rely on. Regrettably, that's a very common situation. Many web hosting companies provide systems and staff that sooner or later fall below an acceptable level. Most people make the decision to change based on emotion. That's not entirely bad. Emotions incent you to take action. But you need to keep a cool head, too, in order to calculate your long-range self-interest. Bearing some minor inconveniences from time to time is usually worth the trade off. When it begins to affect your site to the point you're losing visitors, it's time to make a change. To get a more objective handle on when that point is reached, reach for some numbers. Maintain, or get from the hosting company, a factual report about availability and current usage. If the server is down so much, or so heavily loaded, that it drives your visitors away, it's time to take action. There are other less easily quantifiable but equally important factors, as well. You will at some point need to communicate with one or more persons who help maintain your site. Even if you do all your own server, database and web site maintenance, someone behind the scenes is helping to keep things running smoothly. That's called 'infrastructure'. If the road you drive on has potholes, it's not enough that you can fix your own car. In terms of network bandwidth and availability, server capacity, disk space, security and a whole array of other aspects, the web hosting company has to have competent people who care (and are allowed) to do the job well. When the company's people fall down - because of incompetence, lack of resources or absence of a culture of excellence - or for any other reason - your web site suffers. This issue more than any other is what drives people to seek another web hosting company. Even if you choose well at the outset, things can change. Management changes, staff changes and companies are taken over by other companies. Sometimes, it isn't simply a matter of swapping out an unreliable piece of hardware or software. When it's time to swap out people, you look for the same aspect: doing the job required.

The History of Writing (history of writing) Writing is commonly used by billions of people each day. However, many of us don’t know the history of writing, and some of us would rather not ponder it for fear of getting a headache. Written communication is much needed today, and many societies could not survive without writing. Writing has a history like everything that is in existence today. The exact history of this form of communication may be clouded and even over exaggerated at times, but there are two known facts, writing has been used for a very long time and writing will be used for a very long time. The true beginning of writing is unknown, but it does have a comprehensive history. The first artistic paintings and writings were said to be done in the form of naturalistic paintings of animals and people in caves. The pictures were known as attempts to appease the spirits of animals that were needed to kill in the hunt. In ancient times pictures were also done of human beings. These pictures of humans were typically done in series, with a figure appearing in different physical positions progressively, which represented positions a ceremonial dance performed by ancient people. Progressively, the early societies began to stylize their messages, which were similar to using symbols to represent restrooms, handicap-accessible places, and international road signs. These stylized symbols are known a petroglyphs and hieroglyphs. The most famous system of hieroglyphs belonged to the ancient Egyptians who had hieroglyphics that were partially representational pictures that were stylized. Petrogylphs were often used by Native Americans as messages along trade routes, ritual information, and various other things. However, they were not as sophisticated as hieroglyphs. During this ancient period, Europeans preserved esoteric knowledge in runes and in an alphabetic writing system known as ogham. The Chinese culture also has a place in the history of writing. The culture began by writing like many others by using pictures then slowly moving to stylized pictures. However, over time the pictures became less representational and more abstract. Today, Chinese, Japanese, Korean, and other Asian languages are written with the use of ideeographs. An ideeograph is used to represent an idea instead of a word. Around 1700 B.C. a new form of writing appeared in the Middle Eastern cultures. During this time, the Phoenicians created an alphabet. This development was different from all others because the symbols represented sounds, not pictures or ideas. The combinations of sounds made up the words of the language, which was crucial in the history of writing. The alphabet developed by the Phoenicians spread to Northern Africa and became the system of the Arabs, and spread northwest to Greece. The Greek developed their own letters, which were modified even more to become the Cyrillic alphabets of Russia, the Balkans and the Romans. The Romans modified the alphabet and made it the alphabet that is recognized today. The history of writing developed even further into the 20th century. Following World War II, the Japanese and Chinese began to use the alphabet to represent the sounds of their languages. For these Asian cultures, the alphabetic system was easier to write by hand and to print economically, so it made life far simpler for those cultures. The artistic form of writing used by these Asian cultures will likely never die, but there are many advantages to using an alphabetic system, and many modern people of these cultures benefit handsomely from learning to read and write using the current alphabet. The history of writing is long and sometimes vague, but it can be seen as a necessary teaching that will help modern societies understand the importance of written communication, and understand how the world would be forever changed without it.

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.