COMPUTER SCIENCE

Here is the assignment to be completed in your group. The tasks are organized in no particular order.

• High-level drawing of proposed upgrades
• Drawing of existing network
• WAN links bandwidth for the network
• Inventory and IP scheme
• Scope of work or design requirements

 

The first task in a network design or an upgrading of the network is defining the scope of work. This scope of work is outlined in the client’s Request for Proposal. This is your base line for developing the scope of work. Here you will start gathering information about the client’s business goals and technical requirements. To identify the business goals, interview upper management, focusing on technical requirements. The IT department can then provide you with the specifications. In the real world, this step is necessary to validate the information provided by the client’s RFP. In this assignment, however, this part of the scope of work is optional. Either you can role play and interview each other to come up with the information or you can skip it. If you skip it, your scope of work is the client’s RFP

 

Example: Identifying the scope of work:
The scope of this project consists of major modifications to the existing network, along with the implementation of many new network devices and protocols. The main intent of this redesign is to: improve network availability, network reliability, and network security; create a centralized network backbone; implement the use of wireless access, and migrate from a PBX telephony system to an IP based telephony solution.

The proposed design will affect all areas of the current network. Implementing a centralized backbone and upgrading the speed of current links (from 10Mbs to 100Mbs) will greatly improve the entire network. The implementation of a new IP schema, the introduction of VLAN’s, and implementation of new routing protocols and security protocols will improve the network layer. Just as the implementation of wireless, redundant switches, along with the design of a network edge area will improve the data link layer of the network.

Ultimately, the redesign of the network needs to meet the customer’s intent for the redesign. During the implementation phase of the redesign, the entire network will be affected in some way – that is, some improvements will have an immediate impact, while other improvements are going to take more time to implement and may cause some network disruption for a short time. However upon the conclusion of the design implementation, the customer will have a greatly improved network, which will fulfill their company’s IT needs, at present, and for many years to come.

 

The second task is to prepare the existing drawings, if not provided by the client.

 

The third task is to prepare an inventory list. This can be done by using software or physically verifying the existing equipment. Your inventory list should include currently operable equipment and new equipment (You can use the inventory template, found in the course module for guidelines). In the absence of any site visit, you can also assume that you will discard all current network devices.

 

The fourth task is preparing the proposal for a highly detailed upgrade drawing. This drawing should include all key components of your network, such as: connecting devices, security devices, wireless devices, VLANs, and subnets of the network)

 

The fifth task is preparing the IP scheme of your network

 

The sixth, and final, task is to calculate WAN links bandwidth for your voice network.

You will be graded on your participation in your group, according to the degree and accuracy of your contribution and based on the rubrics assigned and posted for this project.

 

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