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MN503 - Overview of Internetworking | Assignment

   

Added on  2020-03-02

6 Pages1482 Words107 Views
GITAM Converged IP NetworkAbstract- Use of a Single IP Network has been lately adopted by many companies and institutions since it is efficient in significant cost savings compared to the older Network designs[ CITATION Ste02 \l 1033 ]. Use of a single converged IP Network incorporates new services like video, on-demand learning, signage, virtualization, cloud computing among others which make operations of the business or learning easily manageable and cost efficient. All these services can be rolled out seamlessly using the sameconverged Network which saves a significant cost when setting up the institution and departments that may be not in the same building[ CITATION Jamss \l 1033 ]. The managers and other staff may not need to be physically present in the meetings held at a given place in the institution premises.————————————————————Project ScopeGITAM, a University in India has benefited with the advantage to be among the first Smart and Digital Universities in India. This is by the deployment of the single IP Network across their entire campus. This has led to the realization of the significance of internetworking as detailed in the report.Challenges experienced during the study.The first challenge experienced is the cost of the establishment of the network. A single converged IP Network was found to require more investment to enhance the security of all the devices in the network and design a network capable of handling all the loads generated by the applications such as voice and video. Keeping the network running all time with all the devices connected is must expensive than the old non-converged networks.Before the converged IP Networks, any problem occurring on the network was majorly affecting the internet usage and the nodes connected to the hitched side. These IP networks a network problem tends toaffect all the devices connected to it[ CITATION Jef \l 1033 ]. The main challenge here was setting up the network in a way that a connected user, e.g. a student at the library will not have any errors or issues if a server in the head office fails.The network being converged data and storage traffic gets combined and thus there are no considerations for high priority traffic and thus the desired performance may not be achieved it was a big challenge designing the network in a way that would give priority to higher priority traffic to allow all users access
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desired data on the minimum time possible by allocating a unique bandwidth to some given traffic[ CITATION Dev10 \l 1033 ].Project hardware requirements.The following are the hardware requirements for the network.CISCO 7200 series routers to provide WAN integrations. The router has VPN access and other multiple modules, two 10/100 RJ45 ports, two WAN slots, one network module slot and one AIM slot.Firewall Internet Gateways V4.1 100 to block access of information from the network by undesignated usersEtherFast II 24-Port 10/100 Switches with 10/100 auto-sensing ports, Internal store-and-forward intelligent switching segment, built-in data collision and frame re-timing. These will be required at the Main distribution center and at all other places where students and staff will be working from[ CITATION Jon17 \l 1033 ]. A user will decide wherther to connect via the access point or the switch if their device supports both.Lutron - Caseta Wireless Smart Bridge Kits Model:P-BDG-PKG1W with remote access via selected smartphones, tablets and smart watches and geofencing-enabled. They support up to 50 devices and can work with a variety of dimmers and thermostats.CISCO AIR-OEAP1810-A-K9 wireless Access Points with 802.11ac support. They belong to the Cisco Aironet Series providing highly secure and reliable wireless connections. These will be used by students and staff members in their places of residence and some designated places inside the campuses. All libraries will be fitted with them for devices such as the smartphones and laptops.Dell PowerEdge T20 servers. They have intel Pentium G3220 processors with Intel Higher Definition graphic cards, 32GB RAM, 1TB HDD and support Gigabit Ethernet. They are manufactured by DELL.UL1569 26 AWG stranded copper pvc flexible wire and cableModel Number:UL 1569 26 awg 7/0.16 by Winpower, China to interconnect the workstations to the switches and the main distribution switches to other switches.GYTS/GYTA/GYFTY/ 2 4 6 8 12 24 36 48 72 96 144 288 Core G652D Single Mode Stranded Loose Tube Armored Fiber Optic Cable manufactured by Ningbo Chenfei Network Technology Co., Ltd. This will be used to connect the routers to the Fibre Optic terminal close to the campuses.
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Wireless RS232/RS485/Ttl RF Data Modem for Wireless Smart Home Hr-1025 With full support Network forSerial Port Data Communication and Certified by CE, ISO and RoHS to connect the routers to the internet and enhance communication between the three campuses and departments of each campus that are far from the Campus’ main router.Limitations of the hardware devicesCost: Devices such as routers and servers are expensive and basic. They must be bought for the success of the projectExperience: Configuration and setting up of the devices need expertise in the field. It might be hard too for anybody with no experience to troubleshoot any occurring hitches.When using static routing, the network administrator will need to keep updating the routing table manually.Network design in NetsimInternet7602 RouterBridge7602 RouterStudents serverStaff serverFirewallFirewallStaff proxiesStudents proxiesCore AuthenticationRouterCore AuthenticationRouterCore AuthenticationRouterStudents main Distribution switchStaff main Distribution switchFigure 1: General overview of campus network structure.The CISCO 7602 routers will be connected to the two servers, one for students and one for staff traffic. Another router from the bridge will be connected to the main distribution switches which will be connectedto Access Points and other switches which will be connected to end users[ CITATION Dou16 \l 1033 ].
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