Metro Ethernet Service – An Introduction to Basic Concepts

Metro Ethernet services fall under two basic concepts, both of which are in regards to the method in which data travels. These include wholesale and retail, with a retail service being a private line. This is a more traditional approach whereas wholesale denotes bulk, so it is a service in which a large Ethernet “pipe” is sold to various customers – generally many of them.The scenario doesn’t differ much for either of these services in its basic form, in other words the way in which the Ethernet is structured and the equipment it uses is no different. Traffic between customers does not get confused as each service is isolated. Each customer receives a well-defined SLA through their transport pipes depending on which circuit or packet has been paid for.It is only when switching and multiplexing is applied to the packets which makes things different. EOS and RPR are two instances in which the methods of Ethernet transport differ. For multiplexing clients, they share the same bandwidth and this is controlled and boundaries created by “packet queuing” whereas switching clients have their own pipe. The chief difference is that the boundaries in multiplexing are maintained by means of logic, this ensures definition or QoS.The service provider ensures that they identify each client’s traffic in the network pipe if it is shared and they also identify and enforce the appropriate services to each client, depending on the bandwidth purchased. These guys (the service provider) are also able to transparently move each client’s traffic to various locations (transparent LAN) if the need arises and they are also equipped in the process of customer scaling. This is vital to ensure that every customer receives the packet they are paying for and deployment of a VPN as well as any-to-any connectivity is applied.Ethernet technology is Local Area Network technology or more commonly LAN, and is the widely used type of LAN. LAN was originally used by Xerox on a system called Alohanet, which was originally in operation at the Palo Alto Research Center. After realizing its usefulness it was develop more so DEC and Intel pitched in with Xerox to further this development. Most typically, coaxial cables are used and this cable is built from specifically twisted wires. Is the most commonly used and it provides10Mbps transmission.The speeds of Ethernet vary and from 10BASE-T it increases in speed to 100BASE-T for 100Mbps speeds, 1000BASE-T, and so on. There is also 1 Gigabit and 10 Gigabit Ethernet, and these are unbelievably fast, but they do have a place in LAN technology.The man who takes credit for developing, and the naming of Ethernet is Robert Metcalfe, he named it after the “ether” that light transmitting substance which helps pervade the entire Universe with light. The synonym works very well and the “Ethernet” is cabling which allows the entire network (universe) to be pervaded with data.Robert Metcalf invented Ethernet as far back as 1973; hard to believe isn’t it? Originally it was called DIX, because of the collaboration between Digital, Intel and Xerox, and today is it standard protocol as a medium of communication.


Top 5 Tips on Making Money With Your Glamour Images

To those who ever dreamed of being paid for taking glamour shots, I devote this article – discover 5 efficient ways to start making money from your glamour photographer’s skill.Now I reveal 5 sure-fire techniques of turning your vocation to glamour photography into a lucrative business venture. Just read it and see for yourselves!Ever thought, “if only I got $1 for every good picture I take…”? Well, here are 5 great ways to make your dream come true – in sums far greater than that!A glamour photographer has a plenty of opportunities to monetize their hobby to bring in some decent income that can add some pleasant bonuses to monthly cash-ins or even replace a good full-time salary.Already feeling excited? I haven’t told you the best part – there are multiple ways of making money with your glamour images and your artist’s skill! Let us have a quick insight in some of those effective techniques.

FirstYou can trade your skill as a glamour photographer. All you need is a DSLR, a studio (rented, owned, home-based, your friend’s – there are many options), a little self-marketing and a HUGE desire to make money. There are many people who would pay nicely for a professional glamour shot; so if you can deliver it, why not earn some extra cash for doing what you do best?SecondYou could take private coaching for beginner glamour photographers. You may not be a pro, but having enough credibility and some fresh, out-of-the-box ideas could compensate the lack of renown. This is not an easy one; however, digital art schools being diploma mills as they are, the market is overcrowded with hungry learners. You only need to step into it and take a niche. There are always people who would pay for knowledge – even if you are not a guru; and there is always something one person could teach another. So why can’t it be glamour photography?ThirdStock photography is a great opportunity to earn residual income from your glamour images. Resources like iStockphoto, Fotolia and many others would handle all the commercial issues for you, while you enjoy the revenue, getting anywhere from $3 to $5000 per one picture purchased. Saturating a photo bank with quality shots is a time-consuming process, but it can bring a lot of cash to you.FourthIf you are knowledgeable about the subject, you could always compile your knowledge into a good e-book and sell it, and sell it, and sell it… Glamour photography is no exception – you can trade your expertise in the form of informational products. This market is smoking-hot, while quality e-books are not a frequent catch. If you manage to produce good content and market it, people would buy, and buy, and buy…

FifthThere are always magazines out there actively hiring prospective artists. This has much to do with trading your skill and time, but you don’t need a studio – just your camera and inspiration. The employer will take care of everything else. If the very idea of having a boss to work for doesn’t make you shudder, this is the option worth considering.As you can see, there are literally hundreds of opportunities and resources to make your hobby turn into a little golden stream, which will eventually become a river. Like any other business, it can be successful and lucrative – provided that you are professional, sensible and, most importantly, dedicated!