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This 4 page Study Guide was uploaded by tophomework Notetaker on Wednesday November 11, 2015. The Study Guide belongs to a course at a university taught by a professor in Fall. Since its upload, it has received 16 views.
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Date Created: 11/11/15
What is the problem? In 2005, when the Riordan Manufacturing Economic Forecast was released, the information technology infrastructure was an assorted collection of mismatched mainframes, minicomputers and microcomputers, software systems, and retail products. The technology infrastructure was too complex and expensive to introduce new technology and operate and maintain the various business lines and other infrastructure components. In addition, conducting business in various departments means the use of paper and pencil to communicate changes in policies, inventory, and other vital organizational data. This infrastructure had been managed slowly and the infrastructure tied to a specific application rather than managed as a whole with a defined set of technical standards. To increase its earning potential, Riordan Manufacturing has requested that Team A conduct research into the corporate infrastructure. The research will describe the corporate structure; describe how the company can achieve uniformity in the transcription, use, and availability of information throughout the organization; the condition of current computer and communications hardware; and the pressing need to centralize the database to allow for the synchronization of data. Riordan Manufacturing must make a decision; however, before the decision is reached, the problem must be adequately defined. What is the true problem here? The best alternative Selection of the best alternative is the next step in effective decisionmaking. When an alternative is deemed appropriate, individuals or groups either arrive at the solution by either optimizing or satisfying. “Optimizing involves selecting the best alternative from among multiple criteria” while satisfying “involves selecting the first alternative solution that meets a minimum criterion” (GomezMejia & Balkin, 2002, p. 213). Since many decisions are made under risky conditions, fully optimizing an alternative is neither practical nor costeffective. Many solutions that are reached by management are satisfactory but not necessarily optimal for the decision. In the case of Riordan Manufacturing, the choice to replace aging hardware in certain plants and the adoption of unified software across the company allows the company to remain competitive while reducing the possible future costs of replacing the total corporate infrastructure. Figure 13: New backbone and network infrastructure for each site of Riordan Manufacturing. Upgrading each site’s Internet uplink to a fully functional T1 line is the first step, if the site has not already converted to this type of connection. The bandwidth of a T1 line will provide continuous communication between sites, as well as the tracking system and its relational databases. A CSU\DSU modem will convert the analog T1 lines into a digital line for the Firewall. A Cisco Pix firewall will be placed at the border of each site to protect it against any unauthorized users or unwanted traffic. Two separate network interface cards (NICs) on the Pix will connect to two Cisco 3725 routers. The new backbone has been designed to provide maximum uptime for the organization by providing duel paths for data to take. These two routers will be interconnected, and using a hot standby routing protocol (HSRP). HSRP allows one of those routers to be labeled as the primary, and the other a secondary. The primary handles all traffic until (for any reason) it goes down. In that situation, the secondary (which is constantly pulling a current configuration file from the primary) would realize that the primary is down, load the primary server’s configuration (IP addresses and all) and begin passing traffic, leaving little or no downtime. At this point the infrastructure breaks into two directions. The first is a duel (fully redundant) path to user workstations, printers, IP phones, UPC/RFID Transponders, etc. This path interconnects two Cisco 48 port 2950T switches. The second path from the routers points to the sites server farm. This path was also designed for duel functionality, utilizing two Cisco 24 port 2950s. Each server in the server farm will have two NICs. One will be the primary (active), connected to one 2950, and the other will be a failover NIC connected to the other 2950. Adoption of this method of networking minimizes downtime. The type of servers in the server farm will depend on whether the site is the corporate headquarters or just a manufacturing site. The headquarters in San Jose will have the following servers: Network Attached Storage (NAS) Large Oracle Database File and Print Server Exchange Server Corporate Web server (User tracking) Category 5 Shield Twisted Pair cabling will connect all devices in the new infrastructure to one another.
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