Network Design Report: Data Communication for Biomedical Company

This report details a comprehensive network design for a biomedical development company, addressing its need to connect two adjacent buildings and accommodate future growth. It begins with an executive summary, outlining the purpose of the network, which is to support the company's software and business operations. The report analyzes user requirements, including bandwidth, remote access, and mobility needs, and examines the current network setup, including circuits, hardware, and both logical and physical topologies. The proposed solution involves configuring routers and switches with VLANs to reduce congestion and improve efficiency. The report also emphasizes the importance of strong network security, especially for remote access via VPN. The designed network supports videoconferencing and WLAN capabilities. The report includes a detailed analysis of the existing network, along with conclusions and recommendations for improvements, such as upgrading the network backbone to fiber optics. The report also includes a bibliography and an appendix with an organizational chart.

Running head: DATA COMMUNICATION AND NETWORK
Data Communication and Network
Name of the Student
Name of the University
Author’s Note

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Executive Summary
The report is prepared for the organization for and consists of the purpose of the network and the
scope of the network to serve for the different needs of the business and help the organization to
gain the leading position in the market. The current requirement of the organization is to prepare
a network that can handle the currently developed software. The router and the switches used in
the network are configured with VLAN for reducing the congestion in the network and
increasing the efficiency of the proposed solution. A proper addressing solution is used for
accommodation of the increases number of workstation per network and proper subnetting is
used for the classification of the network. A data communication is required to be designed for a
private biomedical development company and connect its two adjacent two story buildings for
communicating with each other. The requirement of the organization are analyzed and the
network is developed aligning the requirement. A proper cabling plan is used for connecting the
multiple location and the buildings and collaborate all of the departments of the organization.
The current infrastructure of the organization is required to be revised and the latest technology
is required to be applied for the development of the network solution and accommodate the
future growth of the organization.

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Table of Contents
1. Introduction......................................................................................................................4
1.1. Purpose.....................................................................................................................4
1.2. Background...............................................................................................................4
1.3. Scope.........................................................................................................................4
2. Analysis of User Requirement.........................................................................................4
2.1. Various community of Users and their level of priority...........................................5
2.2. Bandwidth Requirement...........................................................................................5
2.3. Remote Access Requirement....................................................................................6
2.4. Mobility Requirement...............................................................................................6
3. Description and Analysis of Current Setup.....................................................................6
3.1. Circuits......................................................................................................................6
3.2. Network Hardware....................................................................................................7
3.3. Logical Network Topology.......................................................................................7
3.4. Physical Network Topology.....................................................................................9
3.5. Analysis of the existing network............................................................................10
4. Conclusions....................................................................................................................11
Bibliography......................................................................................................................12
Appendix A: Organizational Chart for Biomedical Company Network...........................14

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List of Figures
Figure 1: Physical topology of the current network............................................................7
Figure 2: Logical Network diagram of the proposed network............................................8
Figure 3: Physical Network Topology of 5Star Company..................................................9
Figure 4: Physical network topology of the proposed network.........................................10

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1. Introduction
1.1. Purpose
The main purpose of the development of the network solution for the biomedical
development company is to accommodate the future growth of the organization and increase the
efficiency of the current network infrastructure.
1.2. Background
The current network infrastructure of the organization is outdated and new technologies
are required to be applied for supporting the new devices connected in the network and increase
the security of the network.
1.3. Scope
The security of the network is required to be strong as remote logging is required to be
enabled in the network for accessing the network resources. A new network solution is required
to be implemented and the recent technologies can be used such that the network can serve the
needs of the organization for the upcoming five years. The network is required to be modern an
support videoconferencing, WLAN, etc.
2. Analysis of User Requirement
Business Goals:
 To increase the productivity of the employees and more computers and virtual machines
are required to be installed
 The network is required to be configured with remote accessibility such that the
employees can access the network from remote location

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 The security of the network is required to be strong that the unauthroised personnel
cannot have the access of the network.
 To increase the data transmission speed and avoid congestion in the network during the
peak hours
Technical Goals:
 To configure the router with ACL and access control list and add authorization to the PCs
and users to access the particular network component.
 To configure the firewall to block unknown request and secure the network
 To secure the wireless access point with the application of encryption algorithm
 To make the network always available for the user.
2.1. Various community of Users and their level of priority
The main user of the network are the software developers, web designers and the
business employees. The software programmer and the web designer works on the first building
and the second building consists of the business employees and the technical department.
2.2. Bandwidth Requirement
The user of the current network framework can be categorized into different types such
as:
i. Heavy Users and
ii. Moderate Users.
Heavy users- this type of users are the software and the web development team and they
uses hungry application generating a huge number of request and data in the network. A separate

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VLAN is required to be allocated to this users such that network congestion is avoided. This
users’ needs printing frequently and can cause congestion in the network.
Moderate Users- This type of users uses moderate applications and have minimum
printing request and thus more number of users can be allocated to the VLAN created for the
moderate users.
2.3. Remote Access Requirement
A VPN connection is required to be created for connecting the remote users with the
organizational network and increasing the efficiency of the current framework of the
organization. The VPN is required to be connected using a firewall and business rules are used
for configuring the firewall and block unauthroised access.
2.4. Mobility Requirement
The employee’s needs mobility support for the network and connect their own devices
using the wireless access point installed in the network. Using the wireless network of the
organization the employees can transfer different files and reduce the software development
time.
3. Description and Analysis of Current Setup
3.1. Circuits
The network is developed with a less response time and proper cabling plan is required to
be used for supporting large amount of transmission. Cisco 1941 series routers are used and there
is no wireless access point installed in the network for connecting the smartphones or tablets in
the network. The first building consists of the software developer and the web designer and a
huge amount of traffic is generated from the building and thus there is a requirement of

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developing the network to reduce congestion and handle the request of the user efficiently. Layer
2 switches are used for connecting the devices and Ethernet cable of 1000Bt are used that have
UTP gigabyte support. Cat 6 cables are used for connecting the network resources and act as the
backbone connection of the network and support larger bandwidth for increasing the efficiency
and reduce the collision of the data packets.
3.2. Network Hardware
The heavy user’s uses machines with high end support for applications and faster
processor with multiple cores. Different community of user uses different hardware setup for
coding, designing or processing. Thus for the development of the network proper hardware
device is required to be selected. The standard users uses a machine of medium processing
capability, larger memory and high resolution support.
3.3. Logical Network Topology
The current network of 5Star Company is given below:
Figure 1: Physical topology of the current network

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(Source: Created by author)
Figure 2: Logical Network diagram of the proposed network
(Source: Created by author)

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3.4. Physical Network Topology
Figure 3: Physical Network Topology of 5Star Company
(Source: Created by author)

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Figure 4: Physical network topology of the proposed network
(Source: Created by author)
3.5. Analysis of the existing network
A logical and a physical network diagram is created for the network and it is required to
be configured with appropriate networking protocols for handling the request from the users. The
existing is required to be improved for the accommodation of the more number of nodes and
workstation in the office. The existing solution uses a Hub for transferring of the data packets
and it is required to be replaced with switches and routers for increasing the efficiency of the
solution. The existing network have lots of scope of improvement, there is a requirement of
implementation of the wireless access point on the current network framework for the
improvement of the system.

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4. Conclusions
The wireless access point installed in the network are secured and WPA/ PSK2 is applied
for securing the wireless access point and prevent unauthroised personnel to use the network. A
huge number of request is required to be handled by the proposed network solution and the
wireless access point is required to be secured with strong encryption algorithm for increasing
the security of the proposed solution. The network backbone is required to be changed from cat 6
to fiber optics such that a huge number of request and data packets can be transferred in the
network. The VPN tunneling is also used for providing remote connectivity of the employees
and it is connected via a firewall for increasing the security of the proposed network solution.
Thus the report is prepared for creating a proposal for the new network solution and resolve the
issue of compatibility of the hardware connected in the network.