Infrastructure and Security Assignment Example | Topics and Well Written Essays - 1500 words

Infrastructure and Security - Assignment Example The proposed network should make the company’s operation effective and efficient. In addition, it should ensure maximum security to the company’s information system assets. Network design There are four network elements that should be given consideration so that the network system meets the company’s network system requirements. These are network topology, the protocol, the internet connection and the network security. The most appropriate network topology for the proposed network system is the bus topology. This is because the company plans to expand its size to three floors. There will be an ethernet backbone cable that joints all the departments. The proposed network system applies OSI network technology. This is a network technology that provides standardized communication between various network devices. The OSI 7 layer is the most appropriate version for such a network system. The organization will acquire a VPN linkage from the VPN services provide within the town. The twisted pair cable wires are used to connect the network components to the main Ethernet cable. The most appropriate is CAT 6 twisted pair cables. The backbone Ethernet cable uses fiber optic. To facilitate voice over internet protocol, gatekeepers are added to the network. Other network components required are the network hardware such as routers, switches and bridges. A network operating system is also very crucial. The switches are located in every department. A 32 port CISCO switch is the most suitable because it gives room for scalability. All the computers and other network peripherals in the departments connect to the Ethernet cable via the switch. A wireless access point is also installed in the departments which requires wireless network. To ensure that the network signal is very strong, repeaters are configured after a fixed interval. There will be a server room where all the servers required in the company will be located. The servers required are files serv er, database server, application server and web server. The database server should a random access memory of over 100 GB, the storage space of over 50 terabytes. The other server’s specifications can be less those for the database server. The network operating system will be hosted by the file server. It will also control the exchange of data and files in the entire network. In addition, the request that goes out of the organizations network will pass through the file server to enable firewall, configured therein, to filter. The diagram below shows the layout of the server room (Malik, 2007). The network system will use VLANs and 802.1x authenticity. The bandwidth should be over 100 megabytes per second for the executive offices and at least 10 Mbps for other offices. This is facilitated via network optimization configuration. The use of 100 Mbps provides space to accommodate more devices when the network is expanded. The network scalability is enhanced by use of 48 port CISC O catalyst, which has a speed of over 2900 GB. These devices facilitate the expansion of the network coverage without affecting the entire network. For purpose of reliability, there should be an alternative network configuration which uses smaller switches. The alternative network configuration ensures that the departments that handle critical business operations are functioning when the network system is down. To optimize the ability of the routers and