USoft Biomedical Company: Network and Communication System Design

This report describes the network and communication system implementation for USoft, a biomedical software development company aiming to establish a LAN network at its headquarters. It covers requirement analysis, including business and technical goals, to ensure efficient communication, security, and scalability. The report includes a logical design outlining network peripherals and an IP addressing scheme for future expansion, as well as a physical diagram illustrating hardware and network devices. The IP address allocation plan details subnetting for various departments, and the logical network diagram shows data flow and routing domains. The physical network diagram demonstrates the devices used in the network. This comprehensive plan ensures a robust and scalable network solution for USoft.

Running head: DATA AND COMMUNICATION
“Title Page”
Title
Author
Date

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DATA AND COMMUNICATION
Summary
The report has been developed for the description of the network and communication system
implementation for the USoft private Company. The software development company is a
biomedical, which is looking to implement a network that would be used for the network
inside the headquarters of the organization. The report provides the description of the
network that is to be laid for the organization. The report provides the requirement analysis,
which is involved with the identification of the network requirements of the users of the
network and the network requirements of the organization. The USoft organization have
provided some metrics according to which the network has been implemented. Security
measures have also been included in the report that would resolve the security issues in the
network. The logical diagram included in the report provides the details of the addresses that
are to be used in the network. The physical diagram provides the information about the
hardware and the network peripherals to be used in the network for its implementation. In
addition to this, the IP addressing scheme is also include in the report which would include
the details of the addresses that are to be allocated to each of the machines in the system and
the connection along with it have also be illustrated.

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DATA AND COMMUNICATION
Table of Contents
“Title Page”................................................................................................................................0
Title........................................................................................................................................0
Author....................................................................................................................................0
Date........................................................................................................................................0
Summary....................................................................................................................................1
Table of Contents.......................................................................................................................2
1. Introduction............................................................................................................................3
2. Organisational Description.....................................................................................................3
3. Analysis of User Requirements (Requirement engineering).................................................4
4. Logical Design.......................................................................................................................6
5. IP Address Allocation Plan:...................................................................................................7
6. Logical Network Diagram:..................................................................................................11
7. Physical Network Diagram:.................................................................................................12
8. Conclusion............................................................................................................................12
List of References....................................................................................................................14

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DATA AND COMMUNICATION
1. Introduction
The report consists of the description of the networking and communication setup for
the USoft private company. The company is a biomedical software development company.
The company is expanding and there has been a decision in the organization to develop a
LAN network for the Head quarter of the organization.
The report has been used here for the description of the network designs and
development for the organization as per requirements. The organizational description has
been included in the report for the requirements analysis of the network. In addition to this,
the IP address allocation scheme for the network in the headquarters have been provided in
the report along with the logical and physical designs of the network for the organization.
2. Organisational Description
The organization currently has the two branches that are spread over the region of
Gold coast. The LAN topology in the organization consists of the three routers, which divides
the current network into three smaller networks. The three smaller networks are the Braches
A and B and the headquarters of the organization. There is need for the expansion within the
organization and hence there is need for relay of the LAN topology design of the
organization. The structure for the network setup by the Usoft organization is provided in the
table described below. The number of hosts for each of the department in the headquarters of
the organization is provided in this table as informed by the organization.
Software Development
Number of employee 102
Each employee has 1 PC + 1 IP Phone
The department has 3 Servers

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Solution Design
Number of employee 92
Each employee has 1 PC + 1 IP Phone
The department has 2 Servers
Customer Support
Number of employee 62
Each employee has 1 PC + 1 IP Phone
The department has 1 Server
Sales
Number of employee 52
Each employee has 1 PC + 1 IP Phone
The department has 1 Server
Finance
Number of employee 32
Each employee has 1 PC + 1 IP Phone
The department has 1 Server
Human Resource
Number of employee 22
Each employee has 1 PC + 1 IP Phone
The department has 1 Server

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3. Analysis of User Requirements (Requirement engineering)
The requirement analysis is the most important part of network implementation
process as this provides the designer with the information about the users in the network and
the network peripherals required for the development of any type of network structure for the
organization. In addition to this, the process is very important so that the conflicts in between
the users of the system and the network set up done for the headquarters of the organization.
After performing a thorough analysis on the current situation within the organization, it has
been found that the network of the organization has two type of goals. One of them is the
business goal and the other is the technical goal.
The business goals of the organization involve the communication facilities, wireless
technicalities and efficient voice processes within the network setup for the organization. The
network should be able to provide the organization with better communication techniques and
also the voice communication within the network should be noise less. In addition to this, the
aspect of security is also to be kept in mind during the implementation of the network for the
USoft organization. The network should be well protected by the firewall technologies and
efficient data protection protocols. In addition to this, the network should be able to provide
the employees and the staff of the organization with remote access when within the
headquarters. This access should be well protected with efficient password schemes that
would be protecting the network from unauthorized access.
Additionally the technical goals of the organization would involve a number of
features that are to be implemented in the network to satisfy the needs of the USoft
organization. Firstly, the network that is to be designed should be scalable so that the plan of
the organization to expand the network by the 15% over the next 12 month is satisfied. This
is because the organization is planning to hire a number of employees into their organization
and this would require the network to be extended largely. In addition to this, the network

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solution that is implemented should be able to support remote access to it, which would allow
the employees of the organization to be connected to the network from both inside the
headquarters and outside it. Hence, a number of servers are to be deployed for the
organization, which would be helpful for the clients get online with the system of the
organization.
Thirdly, the performance of the network that has to be implemented for the
organization should not be lagging in any respect. The performance within the network
should be high and network should always be up. It is very important that the number of users
required in the network be to be identified. The performance of the network would depend on
the hops that are present in the network largely.
4. Logical Design
It is very important that the network peripherals and the hardware to be installed in
the networking structures be identified beforehand to the implementation of the network. This
would be done with the help of the logical network designs. In addition to this, the IP
addressing scheme would be helpful for the network implementation process that would be
able to provide a measure for the expansion of the network in future if required. Additionally,
the number of departments that are present in the organization are to be identified that would
help the sub netting process largely. The division of the network is done with the help of the
VLan techniques and the LAN topology is to be developed accordingly to the division. The
number of floors are 6 as defined by the organization and hence the network is to be set up
according the floor plan of the six storied building. Each of the departments of the
organization are placed on a different floor. In addition to this, a software is to be installed in
the system that would be helpful for the organization in maintaining the flow of

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DATA AND COMMUNICATION
communication throughout the network and the flow of data within the organization would be
carried out efficiently.
5. IP Address Allocation Plan:
The IP assigned by the organization for the IP allocation plan of the Headquarters for
the Usoft organization is 172.16.122.0/22. The sub netting has been performed here for the
allocation of the IP Addresses to the system that are deployed in the Logical Lan network for
the headquarters. The allocation plan has been described below:
Subnet
Name
Neede
d Size
Allocate
d Size
Address
Mas
k
Dec Mask
Assignable
Range
Broadcast
Software
Developme
nt Data
102 126 172.16.120.0 /25
255.255.255.1
28
172.16.120.1
-
172.16.120.1
26
172.16.120.1
27
Software
Developme
nt Voice
102 126
172.16.120.1
28
/25
255.255.255.1
28
172.16.120.1
29 -
172.16.120.2
54
172.16.120.2
55
Solution
Design
Data
92 126 172.16.121.0 /25
255.255.255.1
28
172.16.121.1
-
172.16.121.1
26
172.16.121.1
27
Solution 92 126 172.16.121.1 /25 255.255.255.1 172.16.121.1 172.16.121.2

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DATA AND COMMUNICATION
Design
Voice
28 28
29 -
172.16.121.2
54
55
Customer
Support
Data
62 62 172.16.122.0 /26
255.255.255.1
92
172.16.122.1
-
172.16.122.6
2
172.16.122.6
3
Customer
Support
Voice
62 62
172.16.122.6
4
/26
255.255.255.1
92
172.16.122.6
5 -
172.16.122.1
26
172.16.122.1
27
Sales Data 52 62
172.16.122.1
28
/26
255.255.255.1
92
172.16.122.1
29 -
172.16.122.1
90
172.16.122.1
91
Sales Voice 52 62
172.16.122.1
92
/26
255.255.255.1
92
172.16.122.1
93 -
172.16.122.2
54
172.16.122.2
55
Finance
Data
32 62 172.16.123.0 /26 255.255.255.1
92
172.16.123.1
-
172.16.123.6
172.16.123.6
3

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DATA AND COMMUNICATION
2
Finance
Voice
32 62
172.16.123.6
4
/26
255.255.255.1
92
172.16.123.6
5 -
172.16.123.1
26
172.16.123.1
27
Human
Resource
Data
22 30
172.16.123.1
28
/27
255.255.255.2
24
172.16.123.1
29 -
172.16.123.1
58
172.16.123.1
59
Human
Resource
Voice
22 30
172.16.123.1
60
/27
255.255.255.2
24
172.16.123.1
61 -
172.16.123.1
90
172.16.123.1
91
Software
Developme
nt Server
3 6
172.16.123.1
92
/29
255.255.255.2
48
172.16.123.1
93 -
172.16.123.1
98
172.16.123.1
99
Solution
Design
Server
2 2
172.16.123.2
00
/30
255.255.255.2
52
172.16.123.2
01 -
172.16.123.2
02
172.16.123.2
03
Customer 1 2 172.16.123.2 /30 255.255.255.2 172.16.123.2 172.16.123.2

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DATA AND COMMUNICATION
Support
Server
04 52
05 -
172.16.123.2
06
07
Finance
Server
1 2
172.16.123.2
08
/30
255.255.255.2
52
172.16.123.2
09 -
172.16.123.2
10
172.16.123.2
11
Human
Resource
Server
1 2
172.16.123.2
12
/30
255.255.255.2
52
172.16.123.2
13 -
172.16.123.2
14
172.16.123.2
15
Sales
Server
1 2
172.16.123.2
16
/30
255.255.255.2
52
172.16.123.2
17 -
172.16.123.2
18
172.16.123.2
19
The above plan has been developed according to the instructions of the organization
and the sub netting addresses as per the description of the organization. Further descriptions
of the solution that is to be deployed in the network of the Usoft organization has been
described below:
 Major Network: 172.16.122.0/22
 Available IP addresses in major network: 1022
 Number of IP addresses needed: 733
 Available IP addresses in allocated subnets: 952

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DATA AND COMMUNICATION
 About 96% of available major network address space is used
 About 77% of subnetted network address space is used
6. Logical Network Diagram:
The logical diagram for the network is developed keeping the focus on the flow of
data within the network, which includes the points of control and the routing domains as well.
The generic switches has been used in the network for the top layer of the network. The
network is distributed from the main core switches used for the core network layer. This
helps in centralizing the network. Two switches have been used for the distribution of the
network in proper subnets. Along with the switches in the distribution layer, there are
switches for each of the departments in the organization. Each of these switches further
divide each layer into 3 smaller divisions. All the divisions contain there subdivisions which
allocated the computers in a switch, the IP Phones in the switch and the server in a different
switch. The users are the last leyer in the network.