Network Design And Implementation Process: A Case Study Of A Company With Five Departments

Network Design and Implementation Process

Planning a network basically focuses on the topology and arrangement of network devices. The design process varies with the available devices and size of the network. Computer information networks basically are a medium of communication and resource sharing. In both local and enterprise network, it connects people, supports applications and their services and provides channels and entree to resources that basically keep the communication consecutively [1]. On the other side such as business school or any other field, the network must be able to adjust to changing traffic barriers and be able to sustain the consistence of data flow. This report explains network design and implementation process of a company that has five departments and the network is divided into five subnets.

This is a network design of an organization that has 5 Departments. This network is further divided into five subnets. The departments are interlinked in such a way that they are able to communicate but only the Human Resource and the Finance departments have free access to all services in the network while engineering departments have access to file server and print server but not the department server. Preferably, in any data communication, the project should be planned and designed in the form of the organization information strategy context. Internet being the backbone of network today, it will be implemented in the network. The following are some of the goals that this process will aim to fulfil [2].

• Verify the goal and the need of the network plan and implement it
• To determine the basic features and functions that are to be implemented.
• To create a solution and an acceptance test plan.

After all this have been attained, the proposed network plan will be implemented. Communication is very vital to any business organization and thus the implementation of a network that is scalable and meets the requirements of the 5 departments will be the main objective. It requires an overall strategic vision that is comprehensive and detailed enough to be useful. 

These are the components that are required in order to keep the networking functioning. They include hardware and software components or network topology. The least likely traffic for such dedicated network is the way you project it. On the other hand most network have only few requirements [3].

• The network should be able to manage up time, even in the scenario of failure links, apparatus disappointment and loaded situations.
• The network must  be efficient and be able to give reasonable times from any client in the network
• The network must be an end to end, meaning secure. It should encrypt the data and communication that is being conveyed across the network and information put away on the gadgets that store over ut.
• The network basically should be easy to maintain and modified to adapt to network growth and to change the field in which things are done. When failure occurs, then troubleshooting should be easy.

By doing this, when inspected carefully it should translate into four fundamental network goals [4].

• Availability -organize intended for the accessibility is the one that conveys steady and dependable execution. To include it up disappointment of a basic connection of hardware ought not connote and effect to the system execution.
• Security – this is one of the core features that must addressed in the network. Not included after the system is finished. Arranging the area of security gadgets, channels and firewall highlights is basic to safe guide organize assets
• Scalability – this can grow to include new user groups and remote sites and can support new applications without impacting the level of service delivered to the existent service
• Manageability – this matters how great the present system configuration is, the system accessibility staff and furthermore should have the capacity to oversee and bolster the system. A system that is excessively mind boggling, making it impossible to keep up can’t be utilitarian viable and productive.

 The network was designed using hierarchical method in order to meet the goals of the company. This design method makes networks to be more flexible and manageable than other kinds of design.

This is the arrangement of different devices in the network [7]. The goal of the Network Design Approach is to make a network which is highly efficient. This fuses how accommodating to accommodate the network similar to its usage, sensibility, and reasonability and how well the network mapped to the customer necessities. The following are some of the of the periods in network designed in accordance to human centric design.

• Evaluating orchestrate design: Network engineers do usability testing to get customers’ contribution of the framework. Framework evaluation is a critical development in arrange change which gives essential contribution of the framework plan.
• Create Design courses of action and progression: Based on sort out framework destinations and requirements, start an iterative method of framework plan and change.
• Specify setting of usage: The investigation has perceived who the fundamental customers of the framework setup are are, the reason they will use the framework plot and their essentials and under what condition they will use it.

Components Required to Maintain the Network

Depending on a layout of the network and its formation, IPs are divided into 3 classes: CLASS A that is composed of 224 nodes which is addressed from 1.0.0.0 to 126.0.0.0, CLASS B ranges from 128.0.0.0 to 191.0.0.0 and CLASS C is regarded as baby since it ranges from 192.0.0.0 to 223.0.0.0 [6]. That is all without sub-netting. Our network will have .Class c will be utilized in the network. The IP addresses will be allocated to computers will range from 192.168.1.1 to 192.168.1.155.Routers will be configured with the following IP addresses.

In conclusion, the above network is ready and set to for the school based communication between different departments and is able to meet the threshold of the requirement needed.

All the networks are organized in a layered approach. The model has 3 basic layers which include: Core layer that simply connects layered devices, Distribution Layer that interconnects the smaller local networks and last is the access layer which connects devices to the network [5]. Using of Hierarchical networks is more advantageous than flat design since it can easily be managed and expanded. 

Each router was configured differently in the network as shown in the table below.

The switches were configured will be configured with Vlan commands in order to forward the packets in the network.

Client routers will be configured with DHCP property so that they can auto allocate IP addresses to client computers .This will make it easier for any computer within the department to connect to the network. Without being configured with static IP address.

There are different types of server in the network. Firewall security will be implemented to prevent and block some users from accessing the network. Servers will be configured manually with static IP addresses to be uniquely identified in the network. 

Conclusion

The network was designed using five routers each department is linked to its own router. Some departments will be prevented from accessing some servers. The Administration department is able to access all servers that are found within the network. Implementation of the network using star topology will make it faster since the topology has no packet collision.

References

[1] Jiang, X., Dawson-Haggerty, S., Dutta, P. and Culler, Dl. Design and implementation of a high-fidelity ac metering network. In Information Processing in Sensor Networks, 2009. IPSN 2009. International Conference on (pp. 253-264). IEEE, 2008.

[2] Priyantha, N.B., Kansal, A., Goraczko, M. and Zhao, F. Tiny web services: design and implementation of interoperable and evolvable sensor networks. In Proceedings of the 6th ACM conference on Embedded network sensor systems (pp. 253-266). ACM. November, 2008.

[3] Pakzad, S.N., Fenves, G.L., Kim, S. and Culler, D.E. Design and implementation of scalable wireless sensor network for structural monitoring. Journal of infrastructure systems, 14(1), pp.89-101, 2009.

[4] Chabarek, J., Sommers, J., Barford, P., Estan, C., Tsiang, D. and Wright, S. Power awareness in network design and routing. In INFOCOM 2008. The 27th Conference on Computer Communications. IEEE (pp. 457-465). IEEE, 2008.

[5] Bartic, T.A., Mignolet, J.Y., Nollet, V., Marescaux, T., Verkest, D., Vernalde, S. and Lauwereins, R.. Topology adaptive network-on-chip design and implementation. IEE Proceedings-Computers and Digital Techniques, 152(4), pp.467-472, 2010.

[6] Fleischmann, M., Beullens, P., BLOEMHOF?RUWAARD, J.M. and Van Wassenhove, L.N. The impact of product recovery on logistics network design. Production and operations management, 10(2), pp.156-173, 2012.

[7] Magnanti, T.L. and Wong, R.T. Network design and transportation planning: Models and algorithms. Transportation science, 18(1), pp.1-55, 2014.

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