traffic between PBX devices and is based on circuit switching, while PSDN refers to a Public Switched Data Network that carries data traffic between company networks and across the internet1.Public Switched Telephone Network is the normal telephone network, based on circuit switching while Packet Switched Data Network is the electronic telephone network that allows you to send voice and data together. 2. Circuit-switching; it is a network switching technique in which a physical path is obtained for
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Lovely Professional University,Punjab Format For Instruction Plan [for Courses with Lectures and Labs Course No CAP510 Cours Title COMPUTER NETWORKS Course Planner 15946 :: Gunit Kaur Lectures Tutorial Practical Credits 4 0 0 4 Text Book: 1 Behrouz A. Forouzan, Data Communication and networking, 4th Ed., Tata McGraw Hills year of publication 2006 Other Specific Book: 2 Andrew S. Tanenbaum,Computer Network 2nd Edition, PHI, Third Edition 1997 3 Comer E. Doughlas,Computer Networks
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Strategy & Technology Pg 69-77 Major sources of competitive advantage Brand Scale Switching Costs & Data Differentiation Network Effects Distribution Channels Brand A firm’s brand is the symbolic embodiment of all the information connected with a product or service. A strong brand proxies quality and inspires trust Viral Marketing (consumer promotes product or service if a firm performs well) Brands Amazon eBay Google Viral Marketing Google Hotmail Skype eBay Facebook YouTube Scale
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overlap. Few people thoroughly understand where data goes as it is switched through the "cloud." What is important is that data goes in, travels through the line, and arrives at its destination. | Central Office (CO) | The central office is a switching facility connected to the WAN, and is the nearest point of presence for the WAN provider. It provides WAN-cloud entry and exit points. | Local loop | The local loop is the cable that extends from the central office to the customer location. The
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hundred million terminals. In order for International roamers to use the M2M solution, it is important that +883120 is implemented. The country code and identification code, +883120 should be routed to the international carrier, Telenor Global Services (TGS) in Norway. The M2M solution creates a new and important revenue stream for carriers implementing the code Cost level Telenor Connexion is not a satellite operator but a mobile provider, with similar cost levels as other mobile operators in Sweden
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[pic] [pic] Executive summary Contents Introduction ASOS ( As Seen On Screen) is one of the leading fashion and beauty store for both men and women in the UK. It specialises in selling affordable versions of outfits worn by celebrities. ASOS was launched in June
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transfer an n-byte file along a path composed of the source, destination, seven point-to-point links, and five switches. Suppose each link has a propagation delay of 2us, bandwidth of 4Mbps, and that the switches support both circuit and packet switching. Thus you can either break the file up into 1-kB packets, or set-up a circuit through the switches and send the file as one contiguous bit stream. Suppose that packets have 24 bytes of packet header information and 1000 bytes of payload, that store-and-forward
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Packet Switching The concept of packet switching was first developed in the early 1960s, by researchers at the Massachusetts Institute of Technology. Packet switching is the dividing of messages into packets before they are sent, transmitting each packet individually, and then reassembling them into the original message once all of them have arrived at the intended destination. Packets are the fundamental unit of information transport in all modern computer networks, and increasingly in other
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up to 70% if you go to the store. After that the customer or mobile site user can use the mobile’s location service or enter their ZIP code to locate the closest TJ Maxx store. Then you are taken map and directions of the store nearby. For TJ Maxx it’s not very feasible to merchandize online as the products in their stores vary greatly at different zip codes and there is no consistency that’s needed for online merchandizing. So they haven’t entered hard-core into E/M-Commerce. TJ Maxx lures users
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Supplier Power. An assessment of how easy it is for suppliers to drive up prices. This is driven by the: number of suppliers of each essential input; uniqueness of their product or service; relative size and strength of the supplier; and cost of switching from one supplier to another. The fewer the supplier choices you have, and the more you need suppliers' help, the more powerful your suppliers are. The following conditions indicate forces can affect the level of competitive intensity and profitability:
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