Data Communications and Networks Assignment
Added on 2021-06-14
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1SummaryData Communications and NetworksDATA COMMUNICATIONS AND NETWORKSBy (student name)[Class name][Lectures’ name][University name][City and town location of the university][Date]
2SummaryData Communications and NetworksSummaryThis report covers the Usoft.com software development company which has various departmentswhere some had been added of late as result of the company growth and expansion and as aresult the management requires the installation of the network that will cover the entirecompanies departments, however currently there is a network that covers few departments butthis proposed network will be installed to offer some services which are not available in thecurrent network.The management had therefore decided to install new network that will cover the entire fivedepartments and ensure the network is more secure, enhances communication, provides wirelessinternet access and enable the remote access to the company location through the web services orcloud computing services.This report had therefore covered the various steps of implementing the network where thevarious departmental subnets are identified and their ip addresses requirements arecomputed ,however the company logical network diagram is also drawn where all thedepartments and the respective subnets ip addresses are indicated accordingly.The report had also covered the ip addressing plan where the subnet ip address range is identifiedand also the network server ip addresses are also identified and these will be useful guides fornetwork designing and implementation.Table of Contents1Introduction.........................................................................................................................................32Requirement Engineering....................................................................................................................32.1Calculating IP address per department........................................................................................42.1.1Software Development.........................................................................................................42.1.2Solution Design...................................................................................................................52.1.3Customer Support................................................................................................................52.1.4Sales Department.................................................................................................................52.1.5Finance Department.............................................................................................................63Logical design.....................................................................................................................................74IP addressing Plan...............................................................................................................................8
3SummaryData Communications and Networks4.1Subnets IP address scheme..........................................................................................................84.2Network server IP addresses.......................................................................................................85Conclusion...........................................................................................................................................96Reference...........................................................................................................................................107Appendix...........................................................................................................................................117.1Glossary.....................................................................................................................................111IntroductionUsoft.com being a software development company currently has expanded its departments buttheir local area network lacks some services therefore the management had decided to come upwith a network changes that will cover the entire five company’s departments and enhance thenetwork security ,better communication ,support wireless internet access and enable the systemto be accessible from any location.Therefore this report covers the company’s network requirements including calculation of thenumber of IP addresses in each departmental subnet, designing the logical network diagrams andthe preparation of the network IP addresses schemes and plan.
4SummaryData Communications and Networks2Requirement EngineeringThe usoft.com company has five departments and each department has a specific number ofemployees and each employee is assigned a computer and an IP phone, more over eachdepartment has at least one server (Andrew 2015).The table below summarizes the departments and the respective number of devices required.DepartmentNo. of employeesServersPCSIP phonesRoutersSwitches Total IP addressesSoftware Development1022102102111207Solution Design701707017142Customer Support501505016102Sales30130301462Finance2222137Total IP addresses required520From the above table the total number of required IP addresses is approximately 520 IPaddresses where allowing 15% network growth the IP addresses will be up to 598 IP addresses(Behrouz 2016).The company has the IP address space of 172.16.1XY.0/22 where x and y are represented by 2therefore the IP address to be used is 172.16.122.0/22 and below is the calculation for therespective department IP addresses.2.1Calculating IP address per departmentThe IP address 172.16.122.0/22 will be used to create the subnets of the various departments thetotal number of IP address in the selected IP address space is given as below:Total IP address =2kWhere k=32-network mask.Network mask =22Therefore k=32-22=10K=10Total IP address =210=1024
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