Network Design Assignment
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Added on 2020-05-08
Network Design Assignment
Added on 2020-05-08
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Running head: IT NETWORKING DESIGNINGIT Networking DesigningName of the StudentName of the UniversityAuthor’s Note
1IT NETWORKING DESIGNING Executive SummaryThe report is set up for outlining and designing a system utilizing different system interface thatare associated with routers and switches. A layer three switch is utilized for planning the systemand the Pc connected in different department of the head office of Infocolllege.edu College. TheLAN solution is proposed according to the requirement of the organization and different serversare installed in the network and allowed access from departments for increasing the productivityof the network. The web server is designed with HTTP for serving the customer clients with thepages and react to their demand. A firewall is arranged in the system and the router is configuredwith access control list for blocking the different departments to communicate with each otherand increase the security of the network.
2IT NETWORKING DESIGNING Table of Contents1. Examination of the different network principles and protocols......................................41.1. Introduction...............................................................................................................41.2. Benefits and constraints of different types of network and standards......................41.3. Impact of the network topology................................................................................51.4. Communication and bandwidth requirement............................................................62. Network Device and operation........................................................................................92.1. Operating principles of networking devices and types of servers............................92.2. Inter dependency of workstation hardware and relevant network software...........103. Designing efficient network systems.............................................................................113.1. Design of the network system.................................................................................113.1.1. Description of the LAN technology and topology used in the network..........113.2. Testing and evaluation of the design......................................................................123.2.1. Description and justification of the device used in the network......................123.2.2. Suggestion and maintenance schedule for supporting the network system.....133.2.3. Production of test plan.....................................................................................144. Implementation of the test and diagnosis of the networked system..............................164.1. Implementation of the designed network based on the network specification.......164.2. Documentation and analysis of the test result........................................................17
3IT NETWORKING DESIGNING 4.3. Investigation of the ability of the network for growth and communicating with theother devices..............................................................................................................................175. Conclusion.....................................................................................................................19References..........................................................................................................................21Appendices........................................................................................................................26Configuration of the layer 3 switch installed in the network.........................................26
4IT NETWORKING DESIGNING 1. Examination of the different network principles and protocols1.1. IntroductionThe report is prepared for infocollege.edu to design the network with a complete LANtechnology and connect the other branches of the college located in Birmingham, Liverpool,Manchester and Glasgow. The network is designed for the central head office located in Londonsuch that it can communicate with the other branches and manage the information of the collegefrom a central point. The LAN solution is prepared with the private IP address of 192.168.5.0/ 24and it is made flexible to adopt the future requirement of the college to grow its networkaccording to the changes in the requirement of the college. The network solution is designed withthe application of new technologies and different subnets are used for the different departmentsfor reducing the wastage of the IP address and increasing the efficiency of the proposed networksolution (Witten et al. 2016). An IP addressing plan is created for the network solution andattached with the report for future assistance and configure the network device according to theaddressing plan. Some extra bits of address are reserved for each of the department of the collegesuch that the network can accommodate the future growth of the college and the servers areconfigured according to the requirement of the college to handle emails and file request from thecollege. 1.2. Benefits and constraints of different types of network and standardsThe selection of the network topology is important for connecting the differentdepartment in the organization and the structure of the network is used for defining thecommunication standards maintained in the proposed network solution. There are advantagesand disadvantages associated with the implementation of the different network topology and
5IT NETWORKING DESIGNING each of the elements used in the designing of the network should be listed for making a physicaland logical framework of the network. There are different types of network such as LAN, WAN,WLAN, MAN, SAN, CAN, PAN and the each have its application in differ5ent field of thenetwork. The local area network is used for connecting the device in the network located at a shortdistance and it may be home, school buildings, office. It is mainly applied in TCP//IP networkand not used as a single subnet for connecting the devices in the network. The wide areanetwork is used as a collection of LANs where the router maintains the records of the LANs usedin the network and the WAN spreads over a larger distance than the LAN and a router is used forinter connecting the devices installed in the network (Sahhaf et al. 2015). In wide area networkthe network can be segmented and different subnets and IP address can be used on differentinterface of the devices. WAN uses different technology such as frame relay, ATM, etc. forestablishment of a secure connection between the nodes. Moreover there are other types ofnetwork such as metropolitan area network and campus area network that are used for spanningmultiple LANs and connecting different data centers with high speed connection.1.3. Impact of the network topologyThe selection of the right network topology is important for increasing the efficiency ofcommunication between the nodes connected in the network. The network cabling plan isimportant for accommodation of the growing needs of the organization and reducing thecongestion in the network traffic. The network used for head office in London should be fullyconnected with the other branches and offices such that the resources of the private college isavailable to the network administrator (Rezha and Shin 2014). The cost of the network,scalability and availability is considered before selection of the network topology and
6IT NETWORKING DESIGNING implementation in the head office LAN solution. For securing the different components in thenetwork privacy should be maintained and proactive routing is configured for communicatingwith the other branches and offices of the college. The advantage that can be gained with theconfiguration of the router with proactive routing is that the waiting time is less but there is adisadvantage that with the increase in the traffic in the network the CPU load increases. Thus theincrease in the congestion can decrease the performance of the organization and impact thegrowth of the organization (Sadique and Shah 2016). The transmission links used forinterconnecting the devices should be up and a core components of the network such as theservers and the routers should be kept out of reach from the staffs for reducing the risk ofphysical assault.1.4. Communication and bandwidth requirementThe capacity of the network should be estimated for the estimation of the capacity of thechannel and the bandwidth requirement. The data transfer rate also depends on the bandwidthrequirement and the user using the network for transmission of the data packets. The latency ofthe data should be noted for transmission of the queued traffic and the lags in the network shouldbe reduced for increasing the efficiency of the network (Pan 2016). The communication serviceenabled in the network is listed along with the bandwidth required for running the serviceefficiently. ApplicationRequired BandwidthNoteEmail10 – 100 KbpsThe email are asynchronousand it can tolerate the latencyin the network. Thebandwidth usage aresignificant for attachment ofthe large doc files, spams,viruses. Messaging< 10 Kbps The messaging traffic are
7IT NETWORKING DESIGNING infrequent and thus it cantolerate high latency in thenetwork.Web Browsing64 – 100+ KbpsIt is used for requesting ofdata and asynchronouscommunication is used and afair lag can be tolerated in thenetwork. The bandwidthrequirement increases withthe increase in the requestfrom the users for gettingmore data, long downloads,etc.Audio Streaming96 -160 KbpsThe streaming servicerequires a large bandwidthand a large buffer can beintroduced for reducing thelatency of bandwidth. Ifextended period of lag isfaced in the network thestreaming can fail and it canoccur outrage of the session.VOIP24 – 100+ KbpsIt requires constantbandwidth and no lag in thenetwork can be toleratedbecause it can cause call dropand miscommunication mayhappen. Video Streaming96 – 200+ KbpsIt is similar with audiostreaming and the latency canbe avoided by using largebuffer size and highthroughput is required for theworking of the videostreaming properly.File Sharing0 – infinity MbpsFor setting up a peer to peernetwork the any amount oflatency can be tolerated andthe throughput can be usedfor transmission of the data tothe clients connected in thenetwork. Thus for the estimation of the bandwidth necessary for the communication the expectednumber of users are multiplied by the application used by them and calculate the total bandwidth.
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