Transport Network Design Models PDF

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Transport NetworkDesign
Table of ContentsIntroduction......................................................................................................................................3Task 1...............................................................................................................................................4P1 Illustrate network design models along with features of scalable networks..........................4P2 Review on LAN, bandwidth and load redundancy within Layer 2 and 3 of OSI mode........7Task 2...............................................................................................................................................7P3 Selection of LAN devices along with their configuration.....................................................7P4 Implementation of LAN design within Layer 2 and Layer 3 redundancy by usage of switchas well as router...........................................................................................................................9P5 Examination of WAN technologies for enterprise...............................................................10P6 Configuration of WAN protocols as a part of enterprise network solution.........................11P7 Deploy network monitoring tools along with this deploy troubleshooting methods forestablishing network baselines..................................................................................................15P8 Troubleshoot WAN and LAN connectivity issues in various layers...................................15Conclusion.....................................................................................................................................16References......................................................................................................................................17
IntroductionNetworking refers to practice of exchanging and transporting data between nodes who areshare a medium within information system. Basically, it is a entire process for creation and usageof computer networks with reference to software, hardware and protocols(Alshamsi and Diabat,2015). The connections can be established between them either by making use of wireless andwired technology. Generally, a network comprises of various devices which interacts with eachother. It enables endpoints and devices to connect with one other or large network by usage ofeither private WAN or internet. This assignment contains models of network design,redundancies associated with bandwidth, LAN and load issues within Layer 3 and Layer 2.Furthermore, configuration of LAN is provided along with their implementation. Apart fromthis, WAN technologies are identified and various protocols associated with this are configured.Along with this, monitoring tools as well as troubleshooting methods are established and issueswith WAN & LAN are handled.Task 1P1 Illustrate network design models along with features of scalable networks.System design which deals with mechanism of data transport is referred to networkdesign. This comprises of analysis stage in which requirements are analysed and withimplementation is carried out(Botton and et. al., 2013). The process of designing is done beforeexecution and accordingly next steps are done. can make use any one of the models which areillustrated below:Three-tier hierarchical network modelTo acknowledge technical as well as customer's goals within corporate network designthere needs to be network topology which comprises of interconnected components. By makinguse of hierarchical network design model a topology can be developed in different layers. Itincludes three layers, they are access, distribution and core layer. These layers are illustratedbelow with respect to :Core layer:It is one of the expensive, fastest and expensive router which comprises ofhighest model number. It is a spine of network which is being used for blending separatednetworks. They are responsible for moving information among networks as soon as possible. Incontext of , they can make use of this layer to have optimum transport among high performance
routing and sites(Bovy and Stern, 2012). Design principles associated with core must rendersuitable level of resilience which will provide ability for recovering smoothly and quickly afterthe network has failed within core block.Distribution layer:This acts as intermediate among access and core layers in which welldesigned network routing functions are found. It provides boundary definition by implementationof access lists as well as other filters. It defines the policies for network within high end layer 3switches. Distribution layer makes sure that packets are routed within VLANs and subnets withinenterprise. With respect to this, traffic will be localised such as database servers or departmentalfiles of . In this security aspects with respect to filtering and access lists are taken into accountalong with boundary control & policy based connectivity(De Rosa and et. Al, 2013).Access layer:This layer comprises of switches that are connected to computers, serversor printers which are commonly referred to as end devices. Switches in this layer will make surethat packets are transferred. It renders user/workgroup access to network, in this aspect, commonhierarchical design and two primary architectures of enterprise campus networks are two-tier andthree-tier layer models.(Source:Cisco three-layer hierarchical model, 2019)Two-tier hierarchical network modelIllustration1: Three-tier architecture
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