Operating System and Networking Coursework Example | Topics and Well Written Essays - 1500 words

Operating System and Networking - Coursework Example the primary factor that can be examined is the Wide Area Network. Likewise, if the college is communicating with the remote offices concludes that a proper Wide Area Network connectivity is present. However, there are many WAN technologies that can be deployed to cover all the specified requirements. Moreover, cloud computing has also gained a high value and is well recognized in academic institutions in the UK, as researchers share information on a collaborative platform. For instance, University of Portsmouth has already initiated a commercial use of off the shelf cloud service from globally recognized organizations such as Google and Microsoft (Cloud guarantees bright outlook 2012). Equally, cloud computing saves significant cost and the complex Information Technology acquisition procedures and processes (Cloud guarantees bright outlook 2012). The University is synchronized with the other three remote campuses and 5 other campuses that are located outside the city. Likewise, a rob ust WAN infrastructure is required to fulfill these long distance connectivity and data transfer requirements. As mentioned earlier, the different WAN technologies that can be implemented in this scenario are: Point to Point Connectivity Circuit Switching Packet Switching WAN Virtual Circuits WAN Dial up Services We cannot deploy point to point connectivity, as it provides a dedicated link from the customer premises to the carrier network. As the University is connected to multiple locations, several point to point links are required, resulting in a costly solution. Secondly, circuit switching also resembles with the point to point connectivity technology and it is comparatively slower. One example of this technology is Integrated Services Digital Networks (ISDN). Thirdly, WAN dial up services are also associated with slow and outdated technology. Moreover, virtual circuits will not be efficient in a crisis situation, as it cannot handle a lot of traffic and if the device stops work ing, the whole connection is lost. Finally, WAN virtual circuits and Packet switching technology will be considered in this scenario. Packet switching WAN technology shares a single point to point connectivity within network devices to exchange data from source to destination via a carrier network. Moreover, statistical multiplexing techniques are implemented to activate packet switching in network devices. Some of the examples of this technology are Asynchronous Transfer Mode (ATM), Frame Relay etc. Advantages after deploying packet switching technology within the University are demonstrated below: As the data packet breaks into small data chunks, bandwidth capacity utilization is optimal Confidentiality, Integrity and Availibility is addressed, as the confidential data needs adequate security Compatible with devices supporting different transfer rates, as end users or network devices configured at different remote campuses may support different transfer rates. In case of a link fa ilure, signals are re routed by using a different path ensuring high network availability. In case of a declared disaster or a failure of a telephone exchange, end users can still send emails for service interruption notifications and vice versa. Above mentioned advantages concludes that

Critical Summary Essay Example | Topics and Well Written Essays - 750 words

Critical Summary - Essay Example At this juncture it is interesting to take into account of what happened in Vancouver from the end of the nineteenth century to the earlier part of the twentieth century. The author illustrates how the common people came together with their own efforts to turn the mentioned city into a picturesque landscape. Furthermore the author has also highlighted that the middle class and the wealthier people was the pivotal force beyond this mammoth success. The paper comprises of three interrelated objectives and presents them in sequential manner. Each objective strengthens the other and eventually shapes into a coherent well thought paper. The way the paper starts with a narrow base then considers a broader aspect and then again pinpoint its focus deserves special attention. The primary objective of the concerned paper is to consider and analyse â€Å"specific influential decisions made by individuals or groups with regard to urban development† (Daunais, 1) that eventually led to the expansion of the legislation concerning plantation of the trees and boosted the effort for the same. The secondary objective of the paper is to relate the practise of the plantation followed in Vancouver within the previously mentioned time frame â€Å"to a broader cultural, professional, social and economic context† (Daunais, 1). To be precise the concerned paper leads an endeavour to illustrate â€Å"the dominant white English-speaking p opulation of Vancouver played a crucial role in developing Vancouver’s street tree programme from 1896 to 1925† (Daunais, 1). Besides the concerned paper also illustrates that even when the ambience is not particularly in favour, collective action on behalf of a few can bring significant changes without any external help. The author takes up an urban historical approach to fulfil her objectives. At the beginning the author gives a bird’s eye view of the history of street tree plantation, the evolution of