Sunday, August 11, 2019

Case Study 7 & 8 Essay Example | Topics and Well Written Essays - 1250 words

Case Study 7 & 8 - Essay Example Working as a single domain, chopperchassis.com, CCI has two domain controllers one for each facility, and three member servers, one for internal emails and other applications and others are used for CCIs main database. The business layer, as related to the Top-Down Model, has been serving the needs of all staff scattered in two facilities situation in Ohio by the IT Manager. Internet connection was not provided to the staff as such demand has not been made by the staff. Through the TCP/IP protocol, all the 50 employees were provided computers, servers, and routers with private IP address, joining two locations through a dedicated T1 line. Two subnets using the subnet mask have been created by the IT department for connectivity between the two facilities. At the application layer, Microsoft SQL Server is being used to store the main database of CCI. Strict modular separation of functionality at application layer has been provided through the TCP/IP protocol through T1 line and creating subnets. At the network layer, as per the new business requirements to provide access to suppliers and customers of important information related to order processing and supply chain management through extranets while giving due consideration to security and cost reduction, firewall and Network Address Translation (NAT) was recommended to the owner of CCI by its IT head. NAT router made it possible to purchase less IP addresses and provide security by translating the internal IP addresses of employees to external addresses. Thus, through NAT, the NAT router worked as a negotiator between public internet and private network. At the data layer, CCI has in place LAN for faster data transfer through Microsoft SQL server to its database. The technology layer of Ethernet with LAN has provided excellent connectivity among the staff at the two facilities to share resources.

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