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Web Hosting - DNS, How The Internet Keeps Track of Names
The way computers communicate is, in a way, very similar to something very familiar: the postal system that delivers letters and packages. Here's how...
The Internet is just what the name suggests, a large inter-connected set of networks. But those networks are pointless without the one part that forms what is called their 'end-nodes', otherwise known as computers. Those computers often need to share information because the people who use them want to share information.
But, in a system where there are millions of separate computers, how can you enable them all to communicate? One very important feature of that solution is performed by something called DNS, the Domain Name System.
Every part of a network that is going to send or receive information is assigned an IP address. That's a numeric identifier that uniquely specifies a particular 'node', such as a computer, a router that directs traffic or other component. They look like this: 209.131.36.158
But those numbers are more difficult for people to remember and work with. They also aren't very attractive from a marketing perspective. So, a naming system was layered on top of some of them, mostly the computers involved, though routers have names, too.
But once you have a system that associates a unique IP address to a given name, you need some way of keeping track of all of them. That's carried out by several different pieces of the system: Name Registrars, DNS Servers and other components.
The Name Registrars, overseen by IANA (Internet Assigned Numbers Authority) and other international bodies, provide and keep track of domain names. When you register with GoDaddy or any of a hundred other intermediate companies, ultimately that information makes its way into a number of specialized databases stored inside DNS Servers.
A DNS Server is the hardware and/or software that tracks and forwards the IP Address/Domain Name pair from one place to the next. In many cases, there are a number of them between your browser and the remote computer you want to share information with.
Suppose you request information from, say, Yahoo's site by clicking on a link on their site. DNS resolves (translates) the name of WHO IS making the request and OF WHOM, to addresses, then passes the request through the network to the requested IP address. The requested data is then passed back through the mesh of network components to your computer and displayed in your browser.
Whether the communication is between a desktop computer and a server somewhere, or between one server and another, the process is essentially the same. DNS servers translate names into IP addresses and the requests for data are forwarded on.
In some cases those DNS servers are part of a specialized network computer whose sole job is to do the translation and forwarding. In other cases the DNS software may reside on a server that also houses a database of general data, or stores email, or performs other functions.
But however complicated the chain or the parts, the basic process is simple. Translate the name to an address, just as the postal system does. Whether international or local, your name is associated with an address, and the deliveries are made to the address, then forwarded to a particular name.
Why Time Management Makes for a Better Employee Time management is a major issue in the workplace. When time is not utilized efficiently, it leads to sloppy work, missed deadlines, and way too much stress. Employers are constantly seeking ways to teach their employees to manage their time better for a simple reason – a team that manages its time well is a team that is productive and successful. Everyone has done it. You’ve know that there is a big deadline approaching for weeks on end, and you kept telling yourself that have plenty of time. Then, suddenly, it is the day before the project is due, and you haven’t even begun it. You know you will have to pull an all-nighter, and even then you will be lucky to get everything done in time. Your heart is racing, your head is pounding, and you’re cursing your procrastination yet again, thinking about how much time you wasted surfing the next when you could have been doing a little work on the project every day, so it wouldn’t be so overwhelming. The end result of a project like this is predictable. You may get it in on time, or at least close to the deadline, but your work is likely to be sloppy. The rush job you did will be evident to everyone, and if your project involved making a pitch to a potential customer, your time management failure may end up costing your company big money (and costing you a job). As if you were not stressed enough already! If you contrast that performance with one in which you had effectively managed your time, the difference is clear. If you have worked on the project over the entire time span you had to finish it, a little bit at a time, then you would have had time to make sure your work was up to par. You wouldn’t have been scrambling for last minute information to include, and you could have made sure your work was free from little errors like typos or pages that printed incorrectly. Most importantly, you wouldn’t feel like you needed a week long vacation when the project was over, because your stress level never would have hit the roof. So, how do you become a happier and more effective employee by managing your time better? The first thing you can do to become an effective time manage is simple – write yourself a to-do list everyday. Not only does a to-do list help you think through exactly what you need to accomplish so you don’t forget anything in the rush, but it also helps you feel accountable for everything that needs to get done. If you write “spend 30 minutes on the big project” on your to-do list, it is a lot harder to come up with excuses why you can put it off for another day. Your conscience will make you want to get through everything on that list. If it seems like you never have enough time in the day, keep a journal of all of your activities. If you spend 20 minutes chatting by the coffee pot, write it down. After a week, look back over your activities. You may be surprised how much time you actually spend doing nothing. Now that you know, you can reinvest that time more wisely. The last thing is the hardest thing – getting over procrastination. This one is sheer willpower. When those voices in your head start arguing over whether to work on something now or put it off until later, listen to the work now voice. Give yourself manageable goals, like working on something for 15 minutes or 30 minutes, to get started. Once you experience the freedom from stress that time management brings, that procrastination voice will be a thing of the past. The Many Sides of Writer Web Rings (writer web rings) Generally, a web ring is defined as a collection of Web Sites from the Internet that are joined together in a circular structure. Writer web rings are a great example of this collection of Web Sites. Web rings may be used to increase search engine rankings, and can be considered as search engine optimization techniques. It is common for many web rings to take advantage of this and find writers looking to improve their own rankings. There are many web rings available for seasoned writers and novices alike. Becoming a member of one of the many writing web rings is as simple as joining any other web rings with different themes. Web ring web sites each have a common navigation bar that contains links to the previous and next sites. Clicking the next or previous sites repeatedly will eventually take the surfer to the site original site of the web ring; this is the origin of the term web ring. Web rings are organized around certain themes, and of course the theme for writer web rings is writing. These web rings for writers typically have moderators who are responsible for deciding what pages to include in the web ring. The making of the web ring is the foundation for the group of people who will soon join. Writer web rings are readily available and are open for all potential writers and experienced writers to join. These web rings for writers are usually seen as an outlet for many writers, who are otherwise unable to find interesting ways to increase their experience in the writing world. Typically, these web rings for writers are designed specifically for certain groups. For example, there are many web rings designed specifically for women. The Accomplished Women Writers group is a group of women writers who help each other by providing tips and hints for getting published. The web ring also includes a site that teaches women how to manage a family, household, and writing career. The Aspiring Young Writers Ring is also a web ring, and is dedicated to helping young writers on their way to becoming professionals. The Author Ring is a web ring that was established for published authors if book-length fiction and nonfiction. Other writer web rings include Black Folks Who Write, which is open to African Americans who showcase their work on the internet; Freelance Webring for freelance writers; Internet Writers’ Guild, which brings together authors of web-published literature and showcases their writing online; and Romance Readers and Writers, which is designed for writers who love all aspects of writing romance novels, and who enjoy reading romance novels. No matter the person, there is a writer web ring for almost every kind of writer, so no writer should feel discouraged if they feel their case is a unique one and there is no writer web ring to satisfy their artistic needs. Writer web rings are not a new concept, but there are many writers who don’t take advantage of their great services. A writer web ring can be used to help any writer expand their knowledge of writing techniques, of their own experience, level, and style of writing, can help them appreciate their writing as well as others, while teaching them about the business of writing, and helping them figure out the world of writing in general. These web rings are considered to be good things because a person can find many sites relating to their own writing all together without searching endlessly. Many may not see writer web rings as perfect, but they can be noted for their service they provide for many writers, and can be seen as a great tool for the writer. |