Business Applications of Networks

Data networks developed as a result of business applications that were written for microcomputers. Businesses needed a solution that would successfully address the following three problems: How to avoid duplication of equipment and resources; how to communicate efficiently; how to set up and manage a network.

78p xaydungk23 19-04-2016 61 8   Download

Bài giảng Computer Networks 1 (Mạng Máy Tính 1): Lecture 1 - Introduction to Computer Networks bao gồm những nội dung về Uses of Computer Networks, Business Applications of Networks, Home Network Applications, Mobile Network Users, Network Hardware.

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Architecting the T elecommunication Evolution: T oward Converged Network Services Vijay K.

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Web now widely used by business, government, individuals but Internet & Web are vulnerable have a variety of threats integrity confidentiality denial of service authentication need added security mechanisms

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Linear List Concepts FIFO (Queue) .Queue - FIFO data structure • Queues are one of the most common of all data-processing structures. • Queues are used where someone must wait one's turn before having access to something. • Queues are used in every operating system and network: processing system services and resource supply: printer, disk storage, use of the CPU,... • Queues are used in business online applications: processing customer requests, jobs, and orders. .

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Data networks developed as a result of business applications that were written for microcomputers. At that time microcomputers were not connected as mainframe computer terminals were, so there was no efficient way of sharing data among multiple microcomputers. It became apparent that sharing data through the use of floppy disks was not an efficient or cost-effective manner in which to operate businesses.

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Regardless of their basic purpose, virtually all e-commerce sites rest on the same network structures, communication protocols, and Web standards. This infrastructure has been under development for over 30 years. This appendix briefly reviews the structures, protocols and standards underlying the millions of sites used to sell to, service, and chat with both customers and business partners. It also looks at the infrastructure of some newer network applications, including streaming media and peer-to-peer (P2P)....

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Computer networks are gaining increasing importance as they penetrate business and everyday life. Technological evolution results in increased computational power and transmission capacity. These phenomena open the way to the development and exploitation of new applications (e.g. video conferencing) which require demanding services from the network. As a result, computer networks are in continuous evolution and the protocols regulating their operation must be assessed for their suitability to new technologies and ability to support the new applications. ...

14p tienvovan 11-09-2010 78 5   Download

Internetworking continues to be one of the fastest developing high-technology fields today. Businesses and individuals have come to depend on the Internet for completing a wide range of their daily operations and activities. It is no secret that Cisco Systems has capitalized on the Internet’s potential, doing many of their business operations and functions across the Web, including over 85% of their annual sales transactions across the Internet. For these reasons, the World Wide Web and the field of internetworking continue to grow at accelerated speeds.

296p erjokoi 22-07-2010 124 10   Download

Increased Reliability, Availability, and Scalability Reliability, availability, and scalability are important parameters of network operating systems. An operating system should be able to work 24 hours a day, seven days a week, and the administrator should not be required to perform a reboot after every configuration change; in addition, the operating system should be able to correct itself when problems occur. Finally, an operating system should be able to grow in order to meet the demands of expanding businesses.

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Fifteen years ago, the average computer user spent most of his or her time using productivity applications such as Microsoft® Word or Microsoft Excel®. In the ensuing years, users have become more sophisticated, network implementations have become the rule rather than the exception, and collaboration has become a key facet of a successful business strategy. Perhaps the most signifi cant change of all has been the explosive growth of the Internet.

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Since the introduction of the personal computer in the early 1970s, businesses have found more uses and applications for technology in the workplace. With the introduction of localarea networks, file sharing, and print sharing in the 1980s, it became obvious that distributed computing was no longer a passing fad.

30p thachsaudoi 23-12-2009 96 9   Download

Today, Ajax is being used in web application development by many major players on the web, including Google, which pioneered its use in a mainstream manner with its Google Maps service, as well as many web- based email systems. This is as a direct result of the updating of computer technology in general – today's average computer user has a faster network connection, a faster machine, and a higher level of computer knowledge than those used by computers ten years ago. This has opened the door for more complex technolo- gies to be used by a wider array of websites. On the other hand, web...

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Wireless and Mobile Internet have changed the way people and businesses operate. Communication from any Internet access point, including wireless networks such as UMTS, GPRS or WLAN has enabled organizations to have a mobile workforce. However, networked applications such as web, email, streaming multimedia etc. rely upon the ability of timely data delivery. The achievable throughput is a quality measure for the very task of a communication system, which is to transport data in time. Throughput is thus one of the most essential enablers for networked applications.

0p monkey68 13-03-2009 166 52   Download