This report summarizes the requirements and proposed network design for Advanced Medicos Limited (AML). It includes an analysis of user requirements, current network setup, and security measures. The proposed network design aims to meet the future needs of AML and address all concerns.
Running head:NETWORK DESIGN FOR AML Network Design for AML Author Dated
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1NETWORK DESIGN FOR AML Executive Summary The objective of this report is to summarize the requirement specifications for the network of Advanced Medicos Limited which is expanding and wishes to reshape their network structure. After summarizing the requirements, the study goes on to explain why and how the proposed network layout meets all the future requirements of AML by relating the different requirements with how they are achieved in the future network. Then the full layout of the network is discussed along with roles of key components of the network. It is concluded that the proposed network handily meets the future requirements and successfully addresses all concerns.
2NETWORK DESIGN FOR AML Table of Contents Introduction..............................................................................................................................3 Discussion.................................................................................................................................3 1. Requirements Summary..................................................................................................3 1.1 Requirement Specifications for Existing network...................................................3 1.2 Requirement Specifications for proposed network................................................3 2.Analysis of User Requirements..................................................................................4 2.1 Business goals:............................................................................................................4 2.2 Technical goals:..........................................................................................................4 2.3 How the proposed network meets future requirements........................................4 2.4 Current Network Requirements...............................................................................5 3. Description & Analysis of Current Setup........................................................................5 3.1Security:.......................................................................................................................6 3.2 Wireless Networks:....................................................................................................6 3.3 Wide Area Network (WAN):......................................................................................6 Conclusion.................................................................................................................................6 References.................................................................................................................................7 Appendix A................................................................................................................................8 Network and System Diagrams...........................................................................................8 Proposed System..............................................................................................................8
3NETWORK DESIGN FOR AML Introduction The report summarizes the requirements of both the old and the new networks for the company AML and explains how the new network design can cope with the future requirements. The report starts by listing the requirement specifications for both existing and future network layouts in tabular formats and mentions the differences. Thereafter the study thoroughly explains how the future network goes about meeting the future requirements of AML. In doing this the report briefly covers all the aspects of the network and explains how the proposed network design is implemented and the role of key components like WAN, wireless access points and security. The report then ends with concluding notes. Discussion 1. Requirements Summary 1.1 Requirement Specifications for Existing network The headquarters of the company Advanced Medicos Limited (AML) is located in two buildings that are adjacent to each other and three-story tall. There are four departmentswithinthenetwork.Fortheexistingnetworkrequirementsofthe organization are as follows: BranchServersWorkstationsPrintersLaptop s IP Connections Number of floors Headquarters A 4871801093 Headquarters B 15300183 Branch B – A2 B – Branch Total125 1.2 Requirement Specifications for proposed network The organization is expanding and there is a desire in the firm to reshape the culture of the workplace based on future requirements. BranchServersWorkstationsPrintersLaptop s IP Connections Number of floors Headquarters415520652443
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4NETWORK DESIGN FOR AML A Headquarters B 15500203 Branch331528673 B – A2 B – Branch2 Total335 2.Analysis of User Requirements 2.1 Business goals: The mode of communication is improved by enabling wireless access and introducing video conversation and videoconferencing. A tight budget is allocated for the restructuring the network based on requirements. Part of the requirements is to keep company information secure. The company is to have more than 400 employees in future and wants to rely on excellence in technology to accomplish this without heavy spending. 2.2 Technical goals: The computer rooms must be upgraded for the new network and include facilities for video conferencing and be accessible from campus to meet employees’ needs. The new network should be scalable as the company is to double in size. Wireless network access must be present to help employees remotely access the company’s network. Company resources should be available to employees from office as well as homes. Performance of the network must never hamper the work of members of the organization. No loopholes or areas of failure should be present. Security of the network should be of paramount importance. 2.3 How the proposed network meets future requirements The future network of AML provides services to over 400 employees These services include access for additional workstations and printers, network access to the issued as well as personal laptops for ‘bring your own device’ BYOD service (Song 2014). Therefore, the IP network to sustain the requirements is: Major Network chosen:128.160.0.0/22 IP addresses available in the network:1022 IP addresses required:335 Total IP addresses available from the different subnets:414 The BYOD service is operated without sacrificing security by installing an enterprise grade firewall solution to secure all the components of the network. The company also wants to support online services. Previously the company conducted network operations among two closely positioned buildings by means of a web portal
5NETWORK DESIGN FOR AML over the LAN of the headquarters. The new network design involves internally hosting the company web portal that is accessible directly from internet. 2.4 Current Network Requirements Communities of users:The three different communities of users for the network in the order of priority are the administrators responsible for maintaining the network, executive and managerial level members and the employees in general of different departments. Mobility Requirements:For ensuring mobility in work, the BYOD service is introduced for all the laptops or MacBook Pros being used by the organizational members. Security Requirements:The entire network gets protected through enterprise grade Firewall solutions -SOPHOS security installed in the headquarters of the company. The firewall ensures security cover for all the network components like routers, switches and office devices. Bandwidth Requirements:The network of AML has been allocated class B type IP address network which typically supports 1022 assignable IPs (Sari et al. 2017). The maximum total network bandwidth is chosen to be 1000 MB/s. Application Requirements:The applications that are mandatorily required for installation are SOPHOS security, Nod32 antivirus, Skype and Cisco WebEx, Remote Desktop,Microsoft Office 2016, Mozilla Firefox, MS Outlook, Windows 10 64bit OS, Tally, Adobe Creative Cloud, inhouse applications and the company web portal. Remote access requirements:Remote access isby means of using the default Windows application called Remote Desktop to access other devices present in the network (Billah, Porter and Ramakrishnan 2016). Only the administrator has privileges to perform such tasks. Performance Requirements:The network is well expected to meet the performance criteria for the accumulated load of over 400 network components at any time. Quality of Service (QoS):The networks for each floor of the offices of the company is internally segmented and admins continuously exercise the Quality of Service (QoS) technology to manage the data traffic in the network by setting priorities on the various types of data. 3. Description & Analysis of Current Setup The full network layout is drawn in Cisco Packet Tracer (refer to Figure 1). The network of the headquarters of AML is ensured through two different LAN networks, one for the offices and the other for the server farm. The web portal that were accessed internal when both the buildings were connected through a single LAN network is being hosted through internal web servers and is accessible directly from the internet which employees and members of AML can use from anywhere and anytime (Leon, Parra and Bermudez 2018). The wireless access points for the entire headquarters are located in building A. The branch office building has their own wireless access points. Each of the buildings A, B as also that of the branch are three-storied with each of the floors
6NETWORK DESIGN FOR AML containing at least one server to oversee the operations of the different departments present. Building B acts as server farm and responsible for storing all the information, running the websites, portals, facilitating communications through a host of database servers, email servers, web servers and security servers. 3.1Security: The entire network and web services are secured primarily with the help of a leading industry standard firewall solution from SOPHOS installed in the headquarters of the company AML (Hils, Young and D'Hoinne 2015). The client nodes of the network comprising PCs and laptops are further protected by corporate versions of multi- layered security applications similar to solutions from ESET who excel in preventing viruses and malware from compromising systems (Schuh 2013). 3.2 Wireless Networks: The laptops are connected to the network with the help of the wireless access points which enable mobility of work from inside or outside the office rooms (Schulz- Zander et al. 2014). 3.3 Wide Area Network (WAN): The headquarters and the branch office of the company AML is connected to the same network with the help of a WAN. Wide Area Networks have round-trip delay of 30ms and peak download speed of 20 MB/s. (Schlechtendahl et al. 2017). The branch office is 100km apart from the company headquarters. Conclusion In conclusion, the report clearly summarizes the requirements of both the existing network as also the future network of Advanced Medicos Limited after which explanation is given on how the proposed network can serve the future demands of the organization. This is done by briefly describing every aspect of the proposed network followed by description on the network layout and explanation on security, and network components. It is observed that, most importantly the proposed network design requires a class B major IP network, 1000 MB/s of bandwidth and an industry standard firewall to meet the future requirements of AML and addresses all concerns over the older network.
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7NETWORK DESIGN FOR AML References Billah, S.M., Porter, D.E. and Ramakrishnan, I.V., 2016, April. Sinter: Low-bandwidth remote access for the visually-impaired. In Proceedings of the Eleventh European Conference on Computer Systems(p. 27). ACM. Hils, A., Young, G. and D'Hoinne, J., 2015. Magic Quadrant for Enterprise Network Firewalls. Gartner Inc,22, p.30. Leon, A.F.H., Parra, O.J.S. and Bermudez, G.M.T., 2018. LAN-WAN-LAN end-to-end Network Simulation with NS2. International Journal of Applied Engineering Research, 13(17), pp.13136-13140. Sari, R.D., Supiyandi, A.P.U., Siahaan, M.M. and Ginting, R.B., 2017. A Review of IP and MAC Address Filtering in Wireless Network Security. Int. J. Sci. Res. Sci. Technol, 3(6), pp.470-473. Schlechtendahl, J., Kretschmer, F., Sang, Z., Lechler, A. and Xu, X., 2017. Extended study of network capability for cloud based control systems. Robotics and Computer- Integrated Manufacturing, 43, pp.89-95. Schuh, A., 2013. ESET: From a" Living-Room" Firm to a Global Player in the Antivirus Software Industry. Global Business, Mason: Southwestern Publishing, pp.582-585. Schulz-Zander, J., Suresh, L., Sarrar, N., Feldmann, A., HuNhn, T. and Merz, R., 2014. Programmatic orchestration of wifi networks. InUSENIX Annual Technical Conference(pp. 347-358). USENIX Association. Song, Y., 2014. “Bring Your Own Device (BYOD)” for seamless science inquiry in a primary school. Computers & Education, 74, pp.50-60.
8NETWORK DESIGN FOR AML Appendix A Network and System Diagrams Proposed System Figure 1: Network Design for AML (Source: Created by Author)