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Web Hosting - The Internet and How It Works
In one sense, detailing the statement in the title would require at least a book. In another sense, it can't be fully explained at all, since there's no central authority that designs or implements the highly distributed entity called The Internet.
But the basics can certainly be outlined, simply and briefly. And it's in the interest of any novice web site owner to have some idea of how their tree fits into that gigantic forest, full of complex paths, that is called the Internet.
The analogy to a forest is not far off. Every computer is a single plant, sometimes a little bush sometimes a mighty tree. A percentage, to be sure, are weeds we could do without. In networking terminology, the individual plants are called 'nodes' and each one has a domain name and IP address. Connecting those nodes are paths.
The Internet, taken in total, is just the collection of all those plants and the pieces that allow for their interconnections - all the nodes and the paths between them.
Servers and clients (desktop computers, laptops, PDAs, cell phones and more) make up the most visible parts of the Internet. They store information and programs that make the data accessible. But behind the scenes there are vitally important components - both hardware and software - that make the entire mesh possible and useful.
Though there's no single central authority, database, or computer that creates the World Wide Web, it's nonetheless true that not all computers are equal. There is a hierarchy. That hierarchy starts with a tree with many branches: the domain system.
Designators like .com, .net, .org, and so forth are familiar to everyone now. Those basic names are stored inside a relatively small number of specialized systems maintained by a few non-profit organizations. They form something called the TLD, the Top Level Domains. From there, company networks and others form what are called the Second Level Domains, such as Microsoft.com.
That's further sub-divided into www.Microsoft.com which is, technically, a sub-domain but is sometimes mis-named 'a host' or a domain. A host is the name for one specific computer. That host name may or may not be, for example, 'www' and usually isn't. The domain is the name without the 'www' in front. Finally, at the bottom of the pyramid, are the individual hosts (usually servers) that provide actual information and the means to share it.
Those hosts (along with other hardware and software that enable communication, such as routers) form a network. The set of all those networks taken together is the physical aspect of the Internet.
There are less obvious aspects, too, that are essential. When you click on a URL (Uniform Resource Locator, such as http://www.microsoft.com) on a web page, your browser sends a request through the Internet to connect and get data. That request, and the data that is returned from the request, is divided up into packets (chunks of data wrapped in routing and control information).
That's one of the reasons you will often see your web page getting painted on the screen one section at a time. When the packets take too long to get where they're supposed to go, that's a 'timeout'. Suppose you request a set of names that are stored in a database. Those names, let's suppose get stored in order. But the packets they get shoved into for delivery can arrive at your computer in any order. They're then reassembled and displayed.
All those packets can be directed to the proper place because they're associated with a specified IP address, a numeric identifier that designates a host (a computer that 'hosts' data). But those numbers are hard to remember and work with, so names are layered on top, the so-called domain names we started out discussing.
Imagine the postal system (the Internet). Each home (domain name) has an address (IP address). Those who live in them (programs) send and receive letters (packets). The letters contain news (database data, email messages, images) that's of interest to the residents.
The Internet is very much the same.
Beautiful Pens are Just the Beginning: Fascinating Gifts for Writers (gifts for writers) Buying gifts is a difficult project in many cases. Sometimes a person seems to already have everything. They may not enjoy the typical gift ideas that come to your mind. To buy the perfect gift, it is essential to actually know a person. A basic understanding of likes and dislikes will help, but passions will guide you to a really great gift. If you cannot come to a conclusion for what to buy for a friend, you can also consult other sources for gift ideas. Following are some ideas for buying gifts for writers. Writers are passionate people. They are passionate about words and about truth. They are also passionate about their subject matter. Is there a writer in your life? By using these guidelines, along with your knowledge about that person, you can come up with an ideal gift that they will treasure. Under Twenty Dollars As suggested by the title, a beautiful pen is almost always an inexpensive and appropriate gift for a writer. Most writers spend much of their time jotting down thoughts and ideas. As they meander through their day, an idea may strike at any time. Give them a quality instrument to facilitate great thoughts. You can also include a personalized pad of paper to hold on to the brainstorms. Another great gift for a writer is a magazine subscription. A good writer needs to keep up with the type of writing that is being published. Sometimes they need a little bit of light reading to keep their creative juices flowing. Choose the magazine based on some interest that you and your friend share. Under One Hundred Dollars If you want to spend a little bit more on gifts for writers, you can start taking your gift buying to a little bit different level. For less than one hundred dollars your options open up. Books are great gifts for writers. You can buy new books in the writer’s area of interest or expertise. He will probably always be ready to expand his own knowledge base. You can also buy reference books. Style manuals are very helpful when a writer has strict guidelines to follow. Your writing friend probably already has a pretty good dictionary, but you can buy them the best one. Thesauruses and literary guides are also interesting gifts to receive. Moving away from words for a bit, a writer would also love to receive an artifact that has to do with their main subject matter. If he is a history buff, try to find an authentic coin from the particular piece of history he finds most fascinating. Under Five Hundred Dollars At the next level of gift buying, your options start expanding into more elaborate forms of previous gifts. Very old and rare books may fall into this price range. Very old or particularly good quality antiques will also be fairly expensive. Gifts for writers also often fall into the category of electronics. Good printers make the writing all that more impressive looking on the page. Software and other hardware for the computer is also a worthwhile gift for a writer that spends most of his day sitting at his computer. A nice digital camera is also a fantastic gift for a writer that wants to remember situations exactly in order to adequately describe them later. Won’t Cost you A Dime Some of the best gifts for writers won’t cost you anything. Many of the more expensive gifts are extremely practical, but the free ones can be that also. The nature of a writing career leads writers to spend a lot of time alone. A good gift is just some company. Take your friend out for dinner with a group of mutual friends. He’ll appreciate the time away from the desk. If he’s been trying to get an interview with someone, you can put the leg work in for him and schedule it. All that will cost you is some time and effort. Not all gifts have to cost money. Good luck finding the perfect one for the writer in your life. Helpful Hints for Finding Free Stuff Online The World Wide Web is awash in wonderful freebies. The problem is finding them, and sorting out the real freebies from those that will cost you in the long run. Fortunately for those of us that resist the notion of not finding cool freebies, there are many tips that can help you filter out the bad results as quickly as possible. Why is it So Hard to Find True Freebies on the World Wide Web? Why is it so hard to find true freebies on the Web, and what can you do to improve your search results? Finding freebies is harder than ever. First, try searching for freebies by typing in the word 'free' into any search engine, and chances are that you will receive a lot of filler pages that do not contain any useful information, much less any true freebies. 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Share and exchange your own favorite freebies with other forum contributors and users. Check Out the Hot Deals and Coupons to Be Found Online Another favorite site for web freebie-hunters is Hot Coupon World. This site is home to a very active forum that provides users with freebie offers in a variety of different areas and topics. Check out the many different folders to find hot coupons and freebie offers. Share and read the member secrets on how to get the best free stuff. There is even a fun Adopt a Newbie program that allows you to do just that—bring more freebie hunters into the fold. The more freebie hunters, the more chances of someone finding something worth holding on to. Does Your Free Cup Runneth Over? If you want to discover the best in online freebies, A Full Cup is not a bad place to start looking. This is yet another very popular freebie website that provides its members with the greatest in freebie deals and offers. This is a great place to peruse for the latest and the greatest in new freebie offers. The Message Board Hot Spot for Web Freebies Another freebie hot spot on the web is known as Teri's Message Board. This well-regarded web forum is family-oriented. If it is your first visit to this vibrant website, check out the Hot Deals, Rebates and Samples folders. Chances are, you will find more than one great freebie deal on this very active website. A Great Place to Gather for Long-Standing Freebies Looking for a well-established freebie website that offers the best in freebies in a well-organized manner? If so, check out the FreeSite.com. This website have been around for many years and it shows: it is well organized, with a large selection of web freebies. |