Monday, January 27, 2020

A Brief Background On Nestle Marketing Essay

A Brief Background On Nestle Marketing Essay In the 1860s Henri Nestlà ©, a pharmacist, developed a food for babies who were unable to breastfeed. His first success was a premature infant who could not tolerate his mothers milk or any of the usual substitutes. People quickly recognized the value of the new product, after Nestlà ©s new formula saved the childs life, and soon, Farine Lactà ©e Henri Nestlà © was being sold in much of Europe. In 1905 Nestlà © merged with the Anglo-Swiss Condensed Milk Company. By the early 1900s, the company was operating factories in the United States, Britain, Germany and Spain. World War I created new demand for dairy products in the form of government contracts. By the end of the war, Nestlà ©s production had more than doubled. After the war Government contracts dried up and consumers switched back to fresh milk. However, Nestlà ©s management responded quickly, streamlining operations and reducing debt. The 1920s saw Nestlà ©s first expansion into new products, with chocolate the Companys second most important activity Nestlà © felt the effects of World War II immediately. Profits dropped from $20 million in 1938 to $6 million in 1939. Factories were established in developing countries, particularly Latin America. Ironically, the war helped with the introduction of the Companys newest product, Nescafà ©, which was a staple drink of the US military. Nestlà ©s production and sales rose in the wartime economy. 1944-1975 The end of World War II was the beginning of a dynamic phase for Nestlà ©. Growth accelerated and companies were acquired. In 1947 came the merger with Maggi seasonings and soups. Crosse Blackwell followed in 1960, as did Findus (1963), Libbys (1971) and Stouffers (1973). Diversification came with a shareholding in LOrà ©al in 1974. 1975-1981 Nestlà ©s growth in the developing world partially offset a slowdown in the Companys traditional markets. Nestlà © made its second venture outside the food industry by acquiring Alcon Laboratories Inc.. 1981-1995 Nestlà © divested a number of businesses1980 / 1984. In 1984, Nestlà ©s improved bottom line allowed the Company to launch a new round of acquisitions, the most important being American food giant Carnation. 1996-2002 The first half of the 1990s proved to be favorable for Nestlà ©: trade barriers crumbled and world markets developed into more or less integrated trading areas. Since 1996 there have been acquisitions including San Pellegrino (1997), Spillers Petfoods (1998) and Ralston Purina (2002). There were two major acquisitions in North America, both in 2002: in July, Nestlà © merged its U.S. ice cream business into Dreyers, and in August, a USD 2.6bn acquisition was announced of Chef America, Inc. 2003 + The year 2003 started well with the acquisition of  Mà ¶venpick Ice Cream, enhancing  Nestlà ©s position as one of the world market leaders in this product category.   In 2006, Jenny Craig and Uncle Tobys were added to the Nestlà © portfolio and 2007 saw  Novartis Medical Nutrition, Gerber and Henniez join the Company.   Nestlà © is the worlds leading Nutrition, Health and Wellness company. We are committed to increasing the nutritional value of our products while improving the taste. We  achieve this through our  brands and with initiatives like the Nutritional Compass. Since Henri Nestlà © developed the first milk food for infants in 1867, and saved the life of a neighbours child, the Nestlà © Company has aimed to build a business as the worlds leading nutrition, health and wellness company  based on sound human values and principles. The Nestlà © Corporate Business Principles are at the basis of our companys culture. We have built our business on the fundamental principle that to have long-term success for our shareholders, we not only have to comply with all applicable legal requirements and ensure that all our activities are sustainable, but additionally we have to create significant value for society. At Nestlà © we call this Creating Shared Value. Our  Corporate Business Principles will continue to evolve and adapt to a changing world, our basic foundation is unchanged from the time of the origins of our Company, and reflects the basic ideas of fairness, honesty, and a general concern for people. Nestlà © is committed to the following Business Principles in all countries, taking into account local legislation, cultural and religious practices: Nestlà ©s business objective is to manufacture and market the Companys products in such a way as to create value that can be sustained over the long term for shareholders, employees, consumers, and business partners. Nestlà © does not favour short-term profit at the expense of successful long-term business development. Nestlà © recognizes that its consumers have a sincere and legitimate interest in the behaviour, beliefs and actions of the Company behind brands in which they place their trust, and that without its consumers the Company would not exist. Nestlà © believes that, as a general rule, legislation is the most effective safeguard of responsible conduct, although in certain areas, additional guidance to staff in the form of voluntary business principles is beneficial in order to ensure that the highest standards are met throughout the organization. Nestlà © is conscious of the fact that the success of a corporation is a reflection of the professionalism, conduct and the responsible attitude of its management and employees. Therefore recruitment of the right people and ongoing training and development are crucial. Nestlà © continues to maintain its commitment to follow and respect all applicable local laws in each of its markets. The Nestlà © Corporate Business Principles The ten principles of business operations Consumers; 1 Nutrition, Health and Wellness 2 Quality assurance and product safety 3 Consumer communication Human rights and labour practices 4 Human rights in our business activities Our people 5 Leadership and personal responsibility 6 Safety and health at work Suppliers and customers 7 Supplier and customer relations 8 Agriculture and rural development The environment 9 Environmental sustainability 10 Water Consumers Nutrition, Health and Wellness Our core aim is to enhance the quality of consumers lives every day, everywhere by offering tastier and healthier food and beverage choices and encouraging a healthy lifestyle. We express this via our corporate proposition Good Food, Good Life. Quality assurance and product safety Everywhere in the world, the Nestlà © name represents a promise to the consumer that the product is safe and of high standard. Consumer communication We are committed to responsible, reliable consumer communication that empowers consumers to exercise their right to informed choice andpromotes healthier diets. We respect consumer privacy. Human rights in our business activities We fully support the United Nations Global Compacts(UNGC) guiding principles on human rights and labour andaim to provide an example of good human rights and labourpractices throughout our business activities. Leadership and personal responsibility Our success is based on our people. We treat each other with respect and dignity and expect everyone to promote a sense of personal responsibility. We recruit competent and motivated people who respect our values, provide equal opportunities for their development and advancement, protect their privacy and do not tolerate any form of harassment or discrimination. Safety and health at work We are committed to preventing accidents, injuries and illness related to work,and to protect employees, contractors and others involved along the value chain. Supplier and customer relations We require our suppliers, agents, subcontractors and their employees to demonstrate honesty, integrity and fairness, and to adhere to our non-negotiable standards. In the same way, we are committed towards our own customers. Agriculture and rural development We contribute to improvements in agricultural production, the social and economic status of farmers, rural communities and in production systems to make them more environmentally sustainable. Environmental sustainability We commit ourselves to environmentally sustainable business practices. At all stages of the product life cycle we strive to use natural resources efficiently, favour the use of sustainably-managed renewable resources, and target zero waste. Water We are committed to the sustainable use of water and continuous improvement in water management. We recognise that the world faces a growing water challenge and that responsible management of the worlds resources by all water users is an absolute necessity. Commitment of the Chairman and the Chief Executive Officer Peter Brabeck-Letmathe Chairman of the Board We believe in the importance of a strong compliance culture that is fully embedded in our business. The Corporate Business Principles and the supporting documents reflect this commitment and thus protect the trust of our consumers and other stakeholders in the Nestlà © brand. Our internal rules not only require strict compliance with the law, they guide our actions even if the law is more lenient or where there is no applicable law at all. For Nestlà ©, upholding compliance goes beyond keeping checklists. It requires steadfast principles that apply across the whole Company, providing clear guidance to our people. As the Chairman and the Chief Executive Officer of Nestlà ©, we are committed to making sure that our entire Company is managed according to these principles and require adherence to them from all our employees around the world. We are also committed to continuous improvement and are open to external engagement regarding any area of our Corporate Business Principles. The Nestlà © Corporate Business Principles are at the basis of our companys culture, which has developed over the span of 140 years. Since Henri Nestlà © first developed his successful infant cereal Farine Lactà ©e, we have built our business on the fundamental principle that to have long-term success for our shareholders, we not only have to comply with all applicable legal requirements and ensure that all our activities are sustainable, but additionally we have to create significant value for society. At Nestlà © we call this Creating Shared Value. Although our Nestlà © Corporate Business Principles were first published as an integrated document in 1998, most had already been established in individual form many years before. While the Business Principles are firmly established, they also continue to evolve and adapt to a changing world. For instance, Nestlà © incorporated all ten principles of the United Nations Global Compact soon after their creation and continues to implem ent them today. This latest revision differs from the previous two versions in that it establishes Creating Shared Value as Nestlà ©s fundamental business principle. In addition, each principle is specifically linked to on-line copies of more detailed principles, policies, Standards and guidelines. This has allowed the statement of each principle to be more succinct, while providing more detailed implementing measures related to each one on the worldwide web. Also, for the first time, a map of the principles and an overview of related company measures is included at the start of the document. We believe in the importance of a strong compliance culture that is fully embedded in our business. The Corporate Business Principles and the supporting documents reflect this commitment and thus protect the trust of our consumers and other stakeholders in the Nestlà © brand. Our internal rules not only require strict compliance with the law, they guide our actions even if the law is more lenient or where there is no applicable law at all. For Nestlà ©, upholding compliance goes beyond keeping checklists. It requires steadfast principles that apply across the whole Company, providing clear guidance to our people. As the Chairman and the Chief Executive Officer of Nestlà ©, we are committed to making sure that our entire Company is managed according to these principles and require adherence to them from all our employees around the world. We are also committed to continuous improvement and are open to external engagement regarding any area of our Corporate Business Principles. MISSION STATEMENT At Nestle we believe that research can help us make better food so that people live a better life Marketing and sales Nestle is one of the worlds largest global food companies.    It has over 500 factories in 76 countries, and sells its products in 193 nations.    Only 1% of sales and 3% of employees are located in its home country, Switzerland.    Having reached the limits of growth and profitable penetration in most Western markets, Nestle turned its attention to emerging markets in Eastern Europe, Asia, and Latin America for growth.    Many of these countries are relatively poor, but the economies are growing quickly.    Thus a consumer base capable of buying many Nestle products will develop over the next couple of decades. Nestle tries to enter emerging markets ahead of competitors, and build a substantial position in basic foodstuffs.    As income levels rise, the company progressively moves from these niches into more upscale items.    It very much focuses on developing local goods for local markets, however, and places relatively less emphasis on its global brands in emerging markets.    It also localizes its distribution and marketing strategy to the requirements of the local market.    When good opportunities are available, Nestle acquires local firms. Nestle is a very decentralized organization, with operating decisions pushed down to local units.    On top of this are both a SBU organization focused around food groups, and a regional organization that tries to help rationalize production and marketing among nearby countries.    Helping hold the organization together is a group of managers who rotate around the world on various assignments. During the year under review the company ach ieved sustainable profitable growth by capitalizing on the opportunity presented by a positive business environment. This became possible through successful marketing and sales strategies and focus on key initiatives. Innovation and renovation remained the key to development of new products. Because Nestle competes in a broad range of geographic areas as well as in a broad range of product categories, it faces competition from an equally broad range of companies. Some of its competitors are multinational organizations with similar product lines that cross regional bounds. These include Philip Morris, RJR Nabisco and Unilever. Other companies focus on a single product area in which Nestle competes. The result of this type of competition is that Nestle must compete vigorously across its international customer base. Since the product categories in which Nestle participates are no longer in the introductory or growth phase, there is increased price pressure, as well, which means that companies who do not focus on marketing and on competitive pricing can quickly lose large amounts of market share which can be difficult to recover. In some cases, smaller competitors have brought pressure on governments to help regulate the activities of Nestle; this is not different from compa nies in other countries. The acquisition of Source Perrier is a prime example of this. Although Nestle had acquired other companies in the past which had similar products to its own, the Source Perrier acquisition brought considerable critics. Nestle uses local brands in a wide range of local markets and focuses on trying to optimize ingredients and processing technology to local conditions. That is why, the company needs to be flexible and able to adapt rapidly to local demand and cultural differences. Doing business in different countries means different ethical standards, different business expectations, and different cultural norms. Nestle claims that it can reduce risks and concentrate its marketing resources by narrowing its initial market focus to just a few strategic brands. Its global strategy must be backed up with the necessary financial and human resources and knowledge management should be introduced to spread information throughout the company. Clearly, the entrance of a company into the global marketplace creates numerous challenges. Knowing that innovation and quality were key determinants, Nestle transferred these distinctive competencies to foreign markets. In Nigeria, for example, Nestle had to rethink i ts traditional distribution methods (operating a central warehouse), because the road system was poorly developed and there was much violence. This example shows, that the company was able to respond quickly to different local conditions. You are required to relate all your findings to Nestle. Task 1 You are required to compare alternative definitions of marketing. In your opinion what would be the appropriate definition for Nestle, justify your answer.(outcome 1.1) Definitions: alternative definitions including those of the Chartered Institute of Marketing and the American Marketing Association, satisfying customers needs and wants, value and satisfaction, exchange relationships, the changing emphasis of marketing. Definition of marketing (4 is enough) a) which definition is more appropriate for Nestle. b) you can chooseyour own definition too. Task 2 Identify the main characteristics of a marketing oriented organization and how do u think Nestle fair in this. (outcome 1.2) Marketing concept: evolution of marketing, business orientations, societal issues and emergent philosophies, customer and competitor orientation, efficiency and effectiveness, limitations of the marketing concept. Main characteristic of a marketing oriented organization Link it to Nestle Task 3 Explain the various elements of the marketing concept. Relate your findings to Nestle (outcome 1.3) Marketing process overview: marketing audit, integrated marketing, environmental analysis, SWOT analysis, marketing objectives, constraints, options, plans to include target markets and marketing mix, scope of marketing. Marketing concept Relate to Nestle Task 4 You need to Identify and assess the benefits and costs of a marketing approach. Do you think Nestle has achieve this? Justify your answer. (outcome 1.4) Costs and benefits: benefits of building customer satisfaction, desired quality, service and customer care, relationship marketing, customer retention, customer profitability, costs of too narrow a marketing focus, total quality marketing. How to build customer satisfaction Desired quality are achieved Service and customer care Relationship marketing Customer retention Customer profitability Cost of 2 narrow and marketing focus Total quality marketing Relate this to Nestle Task 5 Identify and explain macro and micro environmental factors which influence marketing decisions. You need to do an analysis as to how Nestle is affected with micro and macro environment and how do they overcome the problems encountered. (outcome 1.5) Macro-environment: environmental scanning, political, legal, economic, socio-cultural, ecological and technological factors. What their news are? What happend? How they solve it? Task 6 Propose segmentation criteria to be used for two products in different markets. You are required to choose any two products of nestle and propose the segmentation appropriately. (outcome 1.6) Micro- environmental: stakeholders (organisations own employees, suppliers, customers, intermediaries, owners, financiers, local residents, pressure groups and competitors), direct and indirect competitors, Porters competitive forces. Segmentation: (e.g baby product/ health product) What is segmentation Why is it important? Relate it to Nestle What kind of market they are going to propose Task 7 Outline the factors which influence the choice of targeting strategy. As Nestle has wide range of products in many different countries you can choose any products and compare how the strategy differs in one country to another. (outcome 1.7) Buyer behaviour: dimensions of buyer behaviour, environmental influences, personal variables- demographics, sociological, physiological- motivation, perception and learning, social factors, physiological stimuli, attitudes, other lifestyle and lifecycle variables, consumer and organisational buying. What is marketing strategy all about? Why is it important? What is the benefit? Relate it to Nestle Task 8 You are required to explain how buyer behaviour affects marketing activities in two different buying situations. Relate your findings to Nestle. (outcome 1.8) Segmentation: process of market selection, macro and micro segmentation, bases for segmenting markets is geographic, demographic, psychographic and behavioural; multivariable segmentation and typologies, benefits of segmentation, evaluation of segments and targeting strategies, positioning, segmentation, evaluation of segments and targeting strategies, positioning, segmenting industrial markets, size, value, standards, industrial classification. What is buyer behaviour? Why doing buyer behaviour analysis? Relate it to Nestle

Sunday, January 19, 2020

Free College Essays - The Power of a Single Act of Iniquity in Hawthornes The Scarlet Letter :: Scarlet Letter essays

The Scarlet Letter: The Power of a Single Act of Iniquity The world of Puritan New England, like the world of today, was filled with evil temptations. Some people were able to withstand these temptations; unfortunately, many others fell victim to the evil. A single act of iniquity was sufficient to devastate a person's life. In The Scarlet Letter, Hester, Chillingworth, and Dimmesdale were each destroyed mentally and physically by one diabolical act that mushroomed to overcome their lives. Hester's life was the one which most externally displayed the destruction inflicted upon it by wrong-doing. Physically, she "stood on the scaffold of pillory, an infant on her arm, and the letter 'A' in scarlet, fantastically embroidered with gold thread upon her bosom" (The Scarlet Letter 66). Because of the "A", the entire community knew she had sinned, and she became a social outcast. In her attempts to pay penance for her sins, she lived a life of poverty, donating most of her income to charity. However, even the most lowly and wretched of the creatures in Boston, which she helped, "not unfrequently insulted the hand that fed them" (87). Furthermore she left behind her beauty and elaborate dress for a dress of the "coarsest materials and the most sombre hue" (86). Hester's sin also harmed her mind and soul. The joy she found in knitting, "like all other joys, she rejected it as a sin" (87). Also, she suffered each time she saw Dimmesdale. A mutual love remained between them, but they could not show the love. Even a brief encounter with Dimmesdale, the father of her daughter, would cause "a deeper throb of pain; for, in that brief interval, she had sinned anew" (89). Moreover, at one point, she had begun to lose faith in the fact that her daughter was human. She began to believe the sayings of townspeople who "had given out that poor little Pearl was a demon offspring" (100). Hence her body and mind suffered greatly for her sin of adultery. Roger Chillingworth's life was also destroyed by his evil. The most noticeable of his changes was the degradation of his physical appearance. When he was first seen in the novel, "there was a remarkable intelligence in his features, as of a person who had so cultivated his mental part that it could not fail to mould the physical to itself and become manifest by unmistakable tokens" (67).

Saturday, January 11, 2020

Ethernet as a Network Topology

Ethernet is the most widely used network topology. You can choose between bus and star topologies, and coaxial, twisted-pair, or fiber optic cabling. But with the right connective equipment, multiple Ethernet-based LANs (local area networks) can be linked together no matter which topology and/or cabling system they use. In fact, with the right equipment and software, even Token Ring, Apple Talk, and wireless LANs can be connected to Ethernet. The access method Ethernet uses is CSMA/CD (Carrier Sense Multiple Access with Collision Detection). In this method, multiple workstation access a transmission medium (Multiple Access) by listening until no signals are detected (Carrier Sense). Then they transmit and check to see if more than one signal is present (Collision Detection). Each station attempts to transmit when it â€Å"believes† the network is free. If there is a collision, each station attempts to retransmit after a preset delay, which is different for each workstation. Collision detection is an essential part of the CSMA/CD access method. Each transmitting workstation needs to be able to detect that simultaneous (and therefore data-corrupting) transmission has taken place. If a collision is detected, a â€Å"jam† signal is propagated to all nodes. Each station that detects the Collision will wait some period of time and then try again. The two possible topologies for Ethernet are bus and star. The bus is the simplest (and the traditional) topology. Standard Ethernet (10BASE5) and Thin Ethernet (1OBASE2), both based on coaxial cable systems, use the bus. Twisted-Pair Ethernet (10BASE-T), based on unshielded twisted pair, and Fiberoptic Ethernet (FOIRL and 10BASE-FL), based on fiberoptic cable, use the star. In the following document we will try to explain what switched, Fast and Gigabit Ethernet are and make comparison of these three. LAN segments can be interconnected using bridges or routers. This works well when the traffic between segments is not high, but the interconnecting devices can become bottlenecks as the inter-segment traffic increases. Until recently, there were few ways to alleviate this problem. Now, however, a new class of interconnect products has emerged that can boost bandwidth on overburdened, traditional LANs while working with conventional cabling and adapters. These are known as LAN switches and are available for Ethernet, token ring, and FDDI. Switching technology is increasing the efficiency and speed of networks. This technology is making current systems more powerful, while at the same time facilitating the migration to faster networks. Understanding this technology is important; only then can we design and implement switched networks from the ground up. Switching directs network traffic in a very efficient manner – it sends information directly from the port of origin to only its destination port. Switching increases network performance, enhances flexibility and eases moves, adds and changes. Switching establishes a direct line of communication between two ports and maintains multiple simultaneous links between various ports. It proficiently manages network traffic by reducing media sharing – traffic is contained to the segment for which it is destined, be it a server, power user or workgroup. It is a cost-effective technique for increasing the overall network throughput and reducing congestion on a 10-Mbps network. Other than the addition of the switching hub, the Ethernet network remains the same the same network interface cards, the same client software, the same LAN cabling. There are three basic types of switches on the market at this time. They all perform the same basic function of dividing a large network into smaller sub-networks, however the manner in which they work internally is different. The types are known as Store and Forward, Cut Through, and Hybrid. A description of each type is shown below: A Store and Forward switch operates much as its name implies; first it stores each incoming frame in a buffer, checks it for errors, and if the frame is good it then forwards it to its destination port. A Cut Through switch operates differently than a Store and Forward type. In a Cut Through switch, the switch begins forwarding the frame immediately upon recieving the Destination Address. A Hybrid switch is an attempt to get the best of both Store and Forward switches and Cut Through switches. A Hybrid switch normally operates in Cut Through mode, but constantly monitors the rate at which invalid or damaged frames are forwarded. Designing A Switched Ethernet Network Designing a switched Ethernet network is actually a fairly straightforward process. The first step is to evaluate the traffic flow through you expect each user or group of users to generate. Analysis of the network will most likely find that you have a large number of users who are not going to place a heavy load on the network, and a smaller number of users who will place a large load on the network. We now group the Undemanding Users together on a hub and connect each hub to a switch port. Our more demanding users will usually be either directly connected to the switch, or if they are on hubs, fewer of them will be sharing each switch port than on the Undemanding User portion. One point which should be kept in mind regarding the design of a switched network is that traffic patterns vary by user and time. Therefore, just taking a â€Å"snapshot† of network usage patterns may lead to the wrong conclusions and result in a design, which is not optimal. It is always advisable to monitor usage patterns over a period of several days to a week to decide how to allocate network bandwidth optimally. Also, in almost all cases, a process of trial and error may be required to fully optimize the design.  · It is most important to get a switch that doesn't drop frames.  · Latency is a concern, but take it with a grain of salt. It will not make that much of a difference.  · Deciding between cut-through and store-and-forward depends on the application. Time-sensitive applications may need the former.  · Multimedia stations need dedicated switched ports.  · Most switch implementations consist of a switch with many stations (demand) and few servers (resources). It is best to keep a 1:1 ratio between demand and resource. Or, as mentioned earlier, increase the number of access pipes to the resource. (i.e., multiple lines into one server)  · Baseline your network prior to installing switches to determine the percentage of bad frames that already exist on the network.  · RMON (Remote Monitor) capability embedded in switch ports is may be costly, but it may save time and money in the long run.  · Certain switches support a flow control mechanism known as â€Å"back pressure.† This spoofs collision detection circuitry into thinking there is a collision and subsequently shifting to a back-off algorithm. This throttles back the sending station from transmitting any further data until the back-off process is complete. Switches with this feature need to be placed into the network carefully. What is 100baseT and Why is It Important? 100baseT, also known as Fast Ethernet, is simply a new version of Ethernet that runs at 100 million bits per second, which is ten times the speed of the existing Ethernet standard. 100baseT is becoming very popular because networks need more bandwidth due to more users and to demanding applications like graphics and networked databases. In fact, for many applications, standard Ethernet is simply too slow. For this reason, most experts believe that 100baseT will eclipse Ethernet as the dominant standard for Local Area Networks (LANs) during the next few years. A major advantage of all variants of 100baseT is software compatibility with standard Ethernet. This means that virtually all existing operating systems and application programs can take advantage of 100baseT capabilities without modification. One way fast Ethernet helps network managers make incremental upgrades at relatively low cost is by supporting most wiring and cabling media. The 100-Mbit/s specification can run over the Category 3 and Category 5 wiring already in place. It also runs over fiber optic cabling already installed. Fast Ethernet offers three media options: 100Base-T4 for half-duplex operation on four pairs of Category 3 UTP (unshielded twisted pair) or Category 5 UTP, 100Base-TX for half- or full-duplex operation on two pairs of data-grade Category 5 UTP or STP (shielded twisted pair), and 100Base-FX for half- or full-duplex transmission over fiber optic cable (the specification should be completed by year's end). As with other high-speed LAN technologies, fast Ethernet operates most efficiently on higher-grade media, such as Category 5 cabling or fiber. For Category 3-based installations, the 100Base-T4 media option uses four pairs of Category 3 UTP cabling. Data is transmitted on three pairs of wires, utilizing standard 8B/6T coding, which allows a lower signal frequency and decreases electromagnetic emissions. However, because the 100Base-T 4 standard uses the three pairs of wires for both transmission and reception, a 100Base-T4 network cannot accommodate full-duplex operation, which requires simultaneous dedication of wire pairs to transmission and reception. Work is still in progress on 100Base-FX fast Ethernet over fiber, but trials show it to be stable and capable of sustained 100-Mbit/s throughput at distances over 100 meters. Essentially, as a second means of transmitting data over fiber, 100Base-FX will be an alternative to FDDI. Moreover, because it will support full-duplex operation, 100Base-FX has the potential to become a significant backbone technology. 100BASE-T Fast Ethernet represents the best choice for customers interested in high speed networking for many reasons. There are 40 million 10 Mbps (Mega-bit per second) Ethernet users in the world today. 100BASE-T technology has evolved from this 10 Mbps world. By keeping the essential characteristics of the Ethernet technology (known as CSMA/CD) unchanged in the 100Mbit world, customers and installers can benefit from the body of Ethernet expertise developed over the years. The Ethernet industry expects that 100BASE-T will offer ten times the performance for twice the price of 10BASE-T. This improvement is made possible by advances in integrated circuit chip technology. As chips get smaller, they run faster, use less energy and are cheaper to produce. Early Ethernet controllers were made in 1.2 micron chips. State-of-the-art technology uses 0.45 micron chips. This represents an almost eight-fold reduction in chip size. 100BASE-T technology offers unparalleled ease of migration. You can decide how fast to upgrade, in what steps and stages, without massive â€Å"fork-lift† upgrades. Most 100BASE-T network cards will run as 10BASE-T and 100BASE-T cards. You will be able to buy cards now and run them at 10BASE-T speeds. Later when you are ready to upgrade to 100BASE-T you will not need to change your network cards. 100BASE-T is widely supported by many different companies. These include networking, systems, semiconductor, computer, integrator and research companies. Many of these companies have been supporting the industry effort through the Fast Ethernet Alliance. Wide support is essential for network users, ensuring a ready supply of interoperable products at competitive prices. The transmission systems of the 100BASE-T standard have high data integrity. It was shown that if 100 million 100BASE-T networks were run at maximum speed it would take over a billion times the age of the universe before there would be an undetected error. These error rates are significantly better than for 10BASE-T, Token Ring and FDDI. Recently, PC LAN adapter card manufacturers like 3Com and SMC have made very aggressive moves to further accelerate the adoption of 100baseT by pricing their 100baseTX products at only a slight premium compared to their standard Ethernet products. For example, a 3Com 100baseTX card is priced at $149, compared to $129 for their Ethernet card. Because virtually all 100baseTX cards also support 10baseT, this means that customers are being encouraged to buy the 100baseT capability even if they don't need it today. In other words, you can buy the 100baseTX card today and use it on your existing 10baseT network; when you upgrade your network to 100baseTX, you won't have to throw away your adapter cards. By all accounts, this strategy has been very successful. Gigabit Ethernet is an extension of the highly successful 10Mbps (10Base-T) Ethernet and 100Mbps (100Base-T) Fast Ethernet standards for network connectivity. IEEE has given approval to the Gigabit Ethernet project as the IEEE 802.3z Task Force. Gigabit Ethernet is fully compatible with the huge installed base of Ethernet and Fast Ethernet nodes. The original Ethernet specification was defined by the frame format and support for CSMA/CD (Carrier Sense Multiple Access with Collision Detection) protocol, full duplex, flow control, and management objects as defined by the IEEE 802.3 standard. Gigabit Ethernet will employ all of these specifications. In short, Gigabit Ethernet is the same Ethernet that managers already know and use, but 10 times faster than Fast Ethernet and 100 times faster than Ethernet. It also supports additional features that accommodate today's bandwidth-hungry applications and match the increasing power of the server and desktop. To support increasing bandwidth needs, Gigabit Ethernet incorporates enhancements that enable fast optical fiber connections at the physical layer of the network. It provides a tenfold increase in MAC (Media Access Control) layer data rates to support video conferencing, complex imaging and other data-intensive applications. Gigabit Ethernet compatibility with Ethernet preserves investments in administrator expertise and support staff training, while taking advantage of user familiarity. There is no need to purchase additional protocol stacks or invest in new middleware. Just as 100Mbps Fast Ethernet provided a low-cost, incremental migration from 10Mbps Ethernet, Gigabit Ethernet will provide the next logical migration to 1000Mbps bandwidth. This section discusses the various topologies in which Gigabit Ethernet may be used. Gigabit Ethernet is essentially a â€Å"campus technology†, that is , for use as a backbone in a campus-wide network. It will be used between routers, switches and hubs. It can also be used to connect servers, server farms (a number of server machines bundled together), and powerful workstations. Essentially, four types of hardware are needed to upgrade an exiting Ethernet/Fast Ethernet network to Gigabit Ethernet :  · Gigabit Ethernet Network Interface Cards (NICs)  · Aggregating switches that connect a number of Fast Ethernet segments to Gigabit Ethernet  · Gigabit Ethernet repeaters ( or Buffered Distributors) The five most likely upgrade scenarios are given below : 1.Upgrading server-switch connections Most networks have centralized file servers and compute servers A server gets requests from a large number of clients. Therefore, it needs more bandwidth. Connecting servers to switches with Gigabit Ethernet will help achieve high speed access to servers. . This is perhaps the simplest way of taking advantage of Gigabit Ethernet. 2.Upgrading switch-switch connections Another simple upgrade involves upgrading links between Fast Ethernet switches to Gigabit Ethernet links between 100/1000 Mbps switches. 3.Upgrading a Fast Ethernet backbone A Fast Ethernet backbone switch aggregates multiple 10/100 Mbps switches. It can be upgraded to a Gigabit Ethernet switch which supports multiple 100/1000 Mbps switches as well as routers and hubs which have Gigabit Ethernet interfaces. Once the backbone has been upgraded, high performance servers can be connected directly to the backbone. This will substantially increase throughput for applications which require high bandwidth. 4.Upgrading High Performance Workstations As workstations get more and more powerful, higher bandwidth network connections are required for the workstations. Current high-end PCs have buses which can pump out more than 1000 Mbps. Gigabit Ethernet can be used to connect such high speed machines. Gigabit Ethernet will be an ideal solution for many of the networking challenges confronting MIS departments today. With businesses implementing more powerful technologies like super-fast servers and data-intensive applications such as video streaming, videoconferencing, or high-speed file backups, the new Gigabit Ethernet standard will go a long way toward adding significant bandwidth at reasonable costs. The following explains some of the key advantages Gigabit Ethernet will provide. Gigabit Ethernet will offer a dramatic increase (as much as a hundredfold) in pure bandwidth to help organizations meet the challenges of overburdened or growing network infrastructures. Gigabit throughput will greatly relieve pressures on LAN backbones while providing both the scalability and speed users need to run data-intensive applications productively. When gigabit data rates become available, firms will be able to greatly expedite large file transfers between servers and other devices. Mirroring the price and performance benefits that Fast Ethernet brought to Ethernet networking, Gigabit Ethernet will offer ten times greater performance than today†s Fast Ethernet at two to three times the cost. The working groups are selecting technologies, such as the Fibre Channel physical layer for fiber, with these specific cost targets in mind. Gigabit Ethernet will maintain the 802.3 and Ethernet standard frame format, as well as 802.3 managed object specifications. As a result, organizations can easily upgrade to gigabit speeds while preserving existing applications; operating systems; protocols such as IP, IPX, and AppleTalk; and network management platforms and tools. Managing Gigabit Ethernet networks upgraded from Fast Ethernet backbones will be simple and easy because the new technology requires no learning curve or training for MIS staffs. By offering backward compatibility with existing 10/100 Ethernet standards, Gigabit Ethernet will provide the same outstanding investment protection that Fast Ethernet offered. When upgrading to gigabit performance, companies will maintain existing wiring, operating systems, protocols, drivers, and desktop applications. No training is required for users or network managers, and network management tools and applications will remain intact. Administrators will be able to keep existing tried-and-tested hardware, software, and management practices while providing-with minimal risk and cost-the networking functionality and performance their organizations require. Gigabit Ethernet is the third generation Ethernet technology offering a speed of 1000 Mbps. It is fully compatible with existing Ethernets, and promises to offer seamless migration to higher speeds. Existing networks will be able to upgrade their performance without having to change existing wiring, protocols or applications. Gigabit Ethernet is expected to give existing high speed technologies such as ATM and FDDI a run for their money. The IEEE is working on a standard for Gigabit Ethernet, which is expected to be out by the beginning of 1998. A standard for using Gigabit Ethernet on twisted pair cable is expected by 1999.

Friday, January 3, 2020

American Myths and Mysteries Essay - 2813 Words

Throughout the many decades that America has been in existence there have been many interesting mysteries that have not been solved and myths passed down from generation to generation. No one knows what caused these myths to come about or why these mysteries were never solved, but they are a very interesting part of American history. From mysteries involving serial killers to myths about mysterious creatures, there is a wide range of the unknown that many people, except for witnesses, have never heard about. Now let’s take a look into some of the most fantastic myths and mysteries in America. The mystery of the Zodiac Killer was never solved; it was one of the greatest serial killer mysteries of all time. He was called the Zodiac killer†¦show more content†¦The legend of the Bermuda Triangle probably started some time around 1945, when a squadron of five Navy Avenger airplanes disappeared on a training flight out of Fort Lauderdale, Florida. There are many theories to why these planes and boats have gone missing, but the true mystery might never be solved. Theories include enormous rogue waves, methane gas explosions, human disorientation and human error, crazy weather patterns causes intense storms, magnetic fields that causes compasses to be thrown off, the original UFO and Aliens, fog, and pirates. The best-known document in America, the Declaration of Independence, contains a very large myth that has finally been proven wrong. John Hancock, president of that Continental Congress, signed his name largely and boldly at the center of the place in the document for signatures to demonstrate his defiance of the British Crown and to encourage others to sign the document as well. After people spent years with new technology and research examining other documents, they were able to conclude that the myth was wrong. It ended up that his signature was very large in the first place, that is just how he signed his name. John Wilkes Booth will forever go down in history as the man who killed our most beloved president, President Abraham Lincoln. The story that he was hiding in a barn and was shot may not be entirely true. Booth might never have died that night, and it could have been a way for America toShow MoreRelatedThe Struggle to Gain Equality: A Study of Native American Woman in Literature1678 Words   |  7 PagesRespect Frees Women from Inequality In Woman: Myth and Reality, Simone De Beauvoir describes the myth of the Eternal Feminine which creates inequality between men and women. In The Four Idols, Francis Bacon uses the four idols of the tribe, the cave, the marketplace, and the theater to show how humans understanding and intelligence hinders their knowledge of nature. 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