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COMS W3157 - Network Design & Implementation of a Secure Corporate Network

7 Pages1420 Words74 Views
   

University of Colombo

   

Advanced Programming (COMS W3157)

   

Added on  2020-03-13

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COMS W3157 - The network design technology has helped the business to increase its productivity and helped to gain a competitive advantage in the market. Since the time the internet has been invented the network system had evolved and become the key element in business network infrastructure. there are three major categories of the network are, LAN. This is specially used in premises organizations. WMAN is used in geographic areas mainly cities.

COMS W3157 - Network Design & Implementation of a Secure Corporate Network

   

University of Colombo

   

Advanced Programming (COMS W3157)

   Added on 2020-03-13

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Running head: ITITName of StudentName of UniversityAuthor’s Note
COMS W3157 - Network Design & Implementation of a Secure Corporate Network_1
1ITIntroductionThe following assignment discusses the topic Network design and Implementation of asecure corporate network. The assignment focuses on the three principles for successfularchitecture of network that is modularity,hierarchy, and resiliency. The assignment furtherdiscusses the hierarchy and its three layers. Those are the access layer, distribution layer and thecore layer respectively. The assignment finally discusses ways for the successful network designand implantation that includes security.DiscussionThe network technology has helped the business to increase their productivity and helpedto gain the competitive advantage in the market. Since the time the internet has been invented thenetwork system had evolved and become the key element in business network infrastructure [1].There are three categories of the network known as the LAN(local area network) used in apremises or a organization, MAN(metropolitanarea network) used in geographic area mainly acity, WAN(wide area network) used to various LANs if they are in different cities. Theorganization generally prefers LAN over others.For the efficient and continuous exchange of data between the departments of thecompany it requires a design a successful architecture of the network, to obtain a successfularchitecture it requires a perfect design theory and related principles [2]. The architecture designoverview and the related principles depend on the four engineering and architectural principles,which are: modularity,hierarchy, and resiliency.
COMS W3157 - Network Design & Implementation of a Secure Corporate Network_2
2ITHierarchyHierarchy is the principle key for the successful architecture of a company network.Hierarchy means to rank the particular set of the systems according to its rank or authority.Through hierarchy the complex design models of the network is fragmented into the simpler andthe more efficient network into different levels [3]. Each level is then assigned for specificfunction. The benefit of this process is it allows network designers flexibility in the networksystem and allows to select the right equipment be it a hardware or software that has the abilityperforming specific tasks in each of the network layers. The fundamental network design that isthe hierarchical design is made of three layers. These are: access layer, distribution layer and thecore layer respectively.Core layerIt is the critical layer of the hierarchical model as it is concerned with the high speed andeffective redundant forwarding of the data so that the data packets can move fast and efficientlybetween the distribution layers. The example of the core layer is the “10 Gigabit Ethernet”.Distribution layerThe distribution layer of the hierarchical model is considered to be the smart layer as it isconcerns with filtering, routing and the “Quality of the services” policies [4]. The other functionof the distribution layer is that it manages the WAN connection of the different branch of theorganization.Access layer
COMS W3157 - Network Design & Implementation of a Secure Corporate Network_3

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