Networks Project Proposal Introduction

Networks Project Proposal Introduction Networks Project ProposalIntroduction: The home network has potential. It adds growth and knowledge. The home network is important to use and access internet connection easily in home wireless network. This network also provide many other benefits as well like as, sharing a file between your computers in your home network, sharing a media file, sharing a folders between your computers in your home wireless network.iStock This wireless network does not cost much and it has many benefits to provide to connect wireless and non wireless devices across the network. The current network is connected via cables so its wired network. A cable goes from study room to lounge and from bed room to main hall. Its not feasible to connect many devices together in home via cable network because its require cabling through out the home and many times just because of loose cabling you have to connection loss. To overcome this hurdles in home network and to connect additional devices easily to home network wireless networking is very beneficial, so I am approaching to upgrade this wired network to wireless network. So the vast benefit of wireless networking like as I can share my files and folders more easily with my laptop and desktop computers. I can access my pictures from desktop computer to mobile device via wireless home networking. To share a printer in your home network wireless networking is more feasible option to choose because, in wireless network we dont need to run a long cable from router to printer. We can adjust the printer anywhere in home and still it will be connected to your computer via wireless connection. Network up gradation provide the benefit of using more wireless clients easily. Rationale: Connecting computers together (or computer devices) has been a main concern since the beginning of the information age. In the beginning of the computer revolution computing relied heavily upon telecommunication technologies for sharing computing resources, mostly due to the cost and size of those resources. For years, computer networks were nothing more than dumb terminals connected to a supercomputer (mainframe) in another location. This was the beginning of the computer network as we know it today. This web curriculum is designed to assist students in their understanding of computer networks and to help them gain the necessary knowledge that will afford them the skills and abilities of designing and implementing their own personal computer network. Project Goals: Next-generation home networking environments will contain a variety of Internet-ready devices or embedded systems, which will result in increased complexity for the end user. New methods are therefore required to build autonomic networking infrastructures that enable auto-configuration and self-management of the networked elements. In future Internet-based home environments a variety of devices such as PCs, smart phones, networked appliances and embedded systems will be organized into infrastructures and will act together to form a new type of service provisioning platform. Todays typical home environments often contain a few of these Internet-ready devices; in the future there will be even more, including embedded systems like sensors and actuators that are also accessible via Internet technology (e.g. TCP/IP, HTTP, Web services etc). While on the one hand this gives users the freedom to access a rich variety of devices in the vicinity of their homes, on the other it increases the depth of knowledge required to understand what is happening in such a complex networking environment. Novel methods for autonomous networking as well as self-configuration, self-management, self-organization, self-protection and self-healing (self-x) of the networking elements can take responsibility for observing and controlling the home network without directly involving end users. Technology will revolutionize the tools that are used in the home of the near future. Embedded computing, sensing and actuation technologies-coupled with new infrastructure in the built environment itself-will combine to enable new opportunities to support the work of the home. The wireless home networking goal is to successfully connect wireless devices such as laptops, desktop computers, VoIP phone, wireless printer, and network storage drive and wifi cell phone. The other goal is to configure the wireless devices so they can share network folders and print wirelessly in home network and to successfully achieve that we need to install wireless router and cable modem in home wireless network. Resources: Cost: The cost to build network is illustrate bellow, Linksys wireless router Cable modem Wireless printer Virtual Lan Network storage drive (Netgear) Switch Router The cost for internet connection which is provided by ISP is not included in the proposed network cost. The devices which are used in home wireless network are under warranty by the manufacturer for 3years and the technical support is also provided. Research: Advantages Disadvantages of wireless network: Wireless network have advantages and disadvantages when compared with wired LANs. A WLAN will make it simple to add or move workstations and to install access points to provide connectivity in areas where it is difficult to lay cable. Temporary or semi permanent buildings that are in range of an access point can be wirelessly connected to a LAN to give these buildings connectivity. Where computer labs are used in schools, the computers (laptops) could be put on a mobile cart and wheeled from classroom to classroom, provided they are in range of access points. Wired network points would be needed for each of the access points. A WLAN has some specific advantages: It is easier to add or move workstations. It is easier to provide connectivity in areas where it is difficult to lay cable. Installation is fast and easy, and it can eliminate the need to pull cable through walls and ceilings. Access to the network can be from anywhere within range of an access point. Portable or semi permanent buildings can be connected using a WLAN. Although the initial investment required for WLAN hardware can be similar to the cost of wired LAN hardware, installation expenses can be significantly lower. When a facility is located on more than one site (such as on two sides of a road), a directional antenna can be used to avoid digging trenches under roads to connect the sites. In historic buildings where traditional cabling would compromise the faà §ade, a WLAN can avoid the need to drill holes in walls. Long-term cost benefits can be found in dynamic environments requiring frequent moves and changes. Wireless network also have some disadvantages: As the number of computers using the network increases, the data transfer rate to each computer will decrease accordingly. As standards change, it may be necessary to replace wireless cards and/or access points. Lower wireless bandwidth means some applications such as video streaming will be more effective on a wired LAN. Security is more difficult to guarantee and requires configuration. Devices will only operate at a limited distance from an access point, with the distance determined by the standard used and buildings and other obstacles between the access point and the user. Methodology: Solution: find-ip-address To overcome the technical issues take necessary steps to build wireless home network. To solve the wireless range problem with the 802.11b/g, in this network 802.11n wireless standard is chosen. So it will provide wide range of wireless network and it will be enough for small to medium size home. The wireless security is configured so the home wireless network can be protected. To protect wireless security WPA2 personal security encryption is configured and MAC address allocation is also configured so the wireless router will not provide access to any other device and the home wireless clients devices will be secured. The firewall is also enabled on Linksys wireless router so it will provide security from outside. From outside no one can hack your home network and harm the computer systems. The ultimate in wireless security measures, shutting down your network will most certainly prevent outside hackers from breaking in! While impractical to turn off and on the devices frequently, at least consider doing so during travel or extended periods offline. Computer disk drives have been known to suffer from power cycle wear-and-tear, but this is a secondary concern for broadband modems and routers. Summary: To build wireless home network, using this simple three-step approach: 1. Identify the WLAN design thats best for your situation 2. Choose good wireless gear 3. Install gear and test the configured WLAN Wireless offers tangible benefits over traditional wired networking. Each computer you wish to connect to a WLAN must possess a wireless network adapter. Wireless adapters are sometimes also called NICs, short for Network Interface Cards. Wireless adapters for desktop computers are often small PCI cards or sometimes card-like USB adapters. Try to install your wireless router in a central location within the home. The way Wi-Fi networking works, computers closer to the router (generally in the same room or in line of sight) realize better network speed than computers further away. In densely populated areas, its not uncommon for wireless signals from one persons home network to penetrate a neighboring home and interfere with their WLAN. This happens when both households set conflicting communication channels. Fortunately, when configuring an 802.11n router, you can change the channel number employed. For example, you may choose any WLAN channel number between 1 and 11. If you encounter interference from neighbors, you should coordinate channel settings with them. Simply using different channel numbers wont always solve the problem. However, if both parties use a different one of the channel numbers 1, 6 or 11 that will guarantee elimination of cross-WLAN interference. Wireless LANs suffer a few more reliability problems than wired LANs, though perhaps not enough to be a significant concern. 802.11n wireless signals are subject to interference from other home appliances including microwave ovens, cordless telephones, and garage door openers. With careful installation, the likelihood of interference can be minimized. Wireless networking products, particularly those that implement 802.11n are comparatively new. As with any new technology, expect it will take time for these products to mature. Wireless LANs using 802.11n support a maximum theoretical bandwidth of 300 Mbps. Furthermore, Wi-Fi performance is distance sensitive, meaning that maximum performance will degrade on computers farther away from the access point or other communication endpoint. As more wireless devices utilize the WLAN more heavily, performance degrades even further. Overall, the performance of 802.11n is sufficient for home Internet connection sharing and file sharing, but generally not sufficient for home LAN gaming.

Education Essay Essay

Education is a vital part of growing up. Without it, our potential cannot be utilized. We use education to make decisions, interact with others, and survive in general. In order for society to improve as a whole, we must use our education to improve on the knowledge we have already attained. Public education gives American citizens the chance to become critical thinkers, prepare for work, and compete in a global marketplace. Public education has transformed into a corrupt system. A system centered around the GPA. Getting a good percentage is the only thing that seems to be important in school. The only thing students care about is how they can pull off a 4.0. Even the teachers’ focus is on the grades. Teachers are rated based off how their students did on standardized tests and their grades. There is almost no focus on the pure attaining of knowledge. Once a student finishes a class, about 90% of the information they learned is lost. There is almost no importance on retaining knowledge after they finish testing on it. Students only about care their grades because that is what colleges look at. Everyone strives for that 4.0 GPA so they can get into their dream school. Once students get to college, their focus goes from learning to get a good grade to learning to prepare for their job. College students have to truly understand and retain the information they learn because it is important to their potential career paths. Although many problems can be found in public education, there are few that can actually be solved. Public education cannot be easily changed without disrupting the foundations of what public education does for students. If we change our focus from grades to pure learning, colleges would have no way of judging a student. It is the nature of the beast.

The Many Economic Applications of Shadow Price

In the strictest sense, a shadow price is any price that is not a market price. A price that is not based on actual market exchanges must then be calculated or mathematically derived from otherwise indirect data. Shadow prices can be derived for anything from a resource to a good or service. But this is just the tip of the iceberg. While economists tend to be committed to markets as a means of valuation, the lack of a market price is not necessarily a limitation of their research. In fact, economists recognize â€Å"goods† that carry societal value for which there are no markets to set a market price. Such goods might include the intangible like clean air. Conversely, economists also recognize that there exist goods that do have a market-traded value that is simply not a good representation of the good’s true societal value. For example, electricity produced from coal carries a market price that does not consider the impact or â€Å"social cost† of coal burning on the environment. It is in these scenarios that economists find it difficult to work, which is why the discipline relies on the calculation of shadow prices to give a â€Å"price-like† value to otherwise unpriced resources. The Many Definitions of Shadow Price While the most basic understanding of the term shadow price relates simply to the lack of a market price for some resource, good, or service, the meanings of the term as derived from its real-world uses relay a more complicated story. In the world of investments, shadow price can refer to the actual market values of a money market fund, which essentially refers to securities that are accounted for based on amortized cost rather than a value assigned by the market. This definition carries less weight in the world of economics. More relevant to the study of economics, another definition of shadow price denotes it as a proxy value of a good or intangible asset that is most often defined by what must be given up to gain an extra unit of the good or asset. Last, but not least, shadow prices can also be utilized to derive an inclusive value of the impact of a project, whether it be a benefit or costs, using stated preferences, making the process an extremely subjective one. In the study of economics, shadow prices are most often used in cost-benefit analyses in which some elements or variables cannot be otherwise quantified by a market price. In order to fully analyze the situation, each variable must be assigned a value, but it is important to note that the calculation of shadow prices in this context is an inexact science. Technical Explanations of Shadow Price in Economics In the context of a maximization problem with a constraint (or constrained optimization), the shadow price on the constraint is the amount that the objective function of the maximization would increase by if the constraint were relaxed by one unit. In other words, the shadow price is the marginal utility of relaxing the constant or conversely, the marginal cost of strengthening the constraint. In its most formal mathematical optimization setting, the shadow price is the value of a Lagrange multiplier at the optimal solution.

The Value Of A Investment Project Essay - 2252 Words

Companies invest its capital with the expectation that it will generate income or appreciate in the future and be sold at the higher price or expect some other benefits from it. When the company has several ways how to invest money it has to choose which one is better – they prioritize investment projects. The main criterion to choose an investment project is the value it would accumulate for the company in future. For the purpose of analyzing the value of the money that will be received in future and future value of the money that we invest today Discounted Cash Flow concept was developed. In simple terms, discounted cash flow tries to work out the value of a investment today, based on projections of how much money it s going to make in the future. DCF analysis says that an investment is worth all of the cash that it could make available to investors in the future. It is described as discounted cash flow because cash in the future is worth less than cash today. For example, let s assume that your friend asked you to choose between receiving 250 rubles today and receiving 250 rubles in a year. Chances are you would take the money today, knowing that you could invest that 250 rubles now and have more than 250 rubles in a year s time. If you turn that thinking on its head, you are saying that the amount that you d have in one year is worth 250 rubles today - or the discounted value is 250 rubles. Make the same calculation for all the cash you expect an investment toShow MoreRelatedInitial Erp Implementation Project And Assess The Value Of The Investment At This Time1631 Words   |  7 Pages1. Introduction Thank you for this opportunity to study your recent ERP implementation project and assess the value of the investment at this time. I will provide you a data brief of the current status, and I’ll offer guidance to propel you toward full realization of your investment. 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