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Explain the steps of Designing a network management solutions.

Subject: Advanced Network Technologies

Topic: Network Management and Control

Difficulty: High

1 Answer
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For designing a network against any requirements you can use the following eight steps design methodology. Which have a complete detail and procedure for designing any network.

Recognize Customer needs Describe the existing Network Design networking & topology Solution Plan the network implementation Construct a prototype network Fully Document the Design Implement the Dsign Verify , monitor and modify as needed

1. Network Design Requirements |Identifying Customer Design Requirements: As a network designer you need following steps to identify customer requirements:

Identify network applications and services that the organization wants to run in it network. Define the organizational goals. Define the possible organizational constraints and limitations, these limitations may be related to cost. Define the technical goals Define the possible technical constraints.

2.Describe the Existing Network** Characterizing the existing network is second step of the network design methodology. In this step, you need to identify a network’s existing infrastructure and services that are currently running. You can use the different tools to analyze existing network traffic, and toolsfor auditing and monitoring network traffic.

3. Designing the Network Topology and Solutions The best approach to design the network topology is the structure approach which allows you to develop the optimal solution with lower cost with fulfilling all requirements of customer like capacity, flexibility, functionality, performance, scalability and availability You can start the network designing process with information that you extract through:

Existing information and documentation Network audit Traffic analysis

4. Plan the network implementation In documentation you should have the step-by-step procedure of each aspect of modular network and have the complete detail for implementation of each step. Documentation must have rollback plan for each step, if something goes wrong you can back to previous step and after modification you can re-implement that step again

5. Construct a prototype network A prototype network is a subset of the full design, tested in an isolated environment. The prototype does not connect to the existing network. The benefit of using a prototype is that it allows testing of the network design before it is deployed before affecting a production network. When implementing a new technology such as IPsec, you might want to implement a prototype test before deploying it to the operational network.

6. Fully Document the Design Documenting the project is the best practice and has a number of advantages and future benefits.

7. Implement the Design In implementation phase network engineer implement the network’s designer design. In this phase network engineer implement the documented steps, network diagram into real network.

8. Verify , monitor and modify as needed Once your network is fully implemented then your job to run and operate the network properly, you have to monitor the network devices, traffic and other security aspects. You can make the modification if you find something wrong with network operation during monitoring of network. Also if you need to add some more services and feature you can add these services too

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