For gathering the information for the development of the network for the organization it is very important the organization provides the designer with the business goals for the development of the network. The generally the main goals of the business of any organization are improving the scalability of the network. Maintaining the availability of the network and increase its performance. Requirement gathering is very necessary as the network designer has to gateher useful information about the development of the network and also the organization.
After the designer has gathered a sufficient amount of knowledge on the system design the designer of the network for the organization would be able to devise a network plan successfully. The business rules specifications for the system has to be identified for the system. Additionally, some business rules have been specified by the Excelfior Ltd. organization such as:
The organization wants to rebuild the network so that the network load can be managed in an efficient manner and the newer technologies can be accommodated in the network.
After acquiring the business goals for the organization it is very important that the network equipment is identified and gathered and the network services are designed. Additionally, the network protocols that are to be included in the network are to be allocated within the network. All the devices are to be connected according to the network requirements and the technical requirements.
Questionnaire/Interview:
The following set of questionnaire are to be directed towards the clients:
Users
The questionnaires devised below would be targeted towards the users of the system:
Management Staffs
The questionnaires devised below would be targeted towards the users of the system:
Stakeholder Analysis:
For the stakeholder analysis the main stakeholders of the system are analysed and the main stakeholders of the systems are identified to be:
Techniques used for the Collection
For the collection of the data for the development of the network design the techniques involving fetching the data and information that are to be used for the development of the network design. There is various process that have been used for the development of design as stated below:
Questionnaire: A questionnaire is a research instrument consisting of a series of questions (or other types of prompts) for the purpose of gathering information from respondents. Questionnaires have advantages over some other types of surveys in that they are cheap, do not require as much effort from the questioner as verbal or telephone surveys, and often have standardized answers that make it simple to compile data. However, such standardized answers may frustrate users. Questionnaires are also sharply limited by the fact that respondents must be able to read the questions and respond to them. Thus, for some demographic groups conducting a survey by questionnaire may not be concrete.
Interviews: In the interview process the task of the designer is to make proper questions to the clients and the users of the system. The results of the interviews would provide the designers with very useful information about the development of the network.
Meetings: The designers of the system are required to fix a meeting with the clients of the Excelfior Ltd. organization. From, the meeting it can be inferred that the organization needs to have access control in the system which is to be devised and the network should also be accommodating the front end and the back end developers.
Stakeholder Analysis: The stakeholders’ analysis would provide the information about the stakeholders who are associated with the system and their contribution towards the system. Stakeholder analysis is taken to include stakeholder identification – figuring out who the stakeholders of the system are, however it is to be noted that the designer can separate the two very different processes. The whole process of stakeholder engagement (formerly more commonly known as stakeholder management) has five main steps: identify, analyse, plan, act, and review. When the designers analyse stakeholders, he gathers information and make hypotheses about their interests, needs, perceptions, priorities, preferences, authority, influence, power, and many other things.
Feedback system: The feedback system is to be used after the development of the system so that the designer would be able to make an update to the system after receiving proper feedback from the users.
Task 2
Network Design
Design Justification
The design has been created using the main switch as the central peripheral device in the network and the network has been sub netted using the switches. The routers and the three other switches have been used for the development of the network in the system. The admin router and the switch has been used for the development of the network around the administrator. The administrator sub network includes the internet access which is then circulated throughout the network. In addition to this the servers are also connected to the network and the also database access is circulated from this sub net. In addition to this, there are the finance and management department which is also assembled with the network. In addition to this, the access control is also managed by the administrator.
Performance Metrics
The factors such as the packet delay, jitter, packet loss and network latency would be affecting the UDP-based Service quality to a great extent and also the other processes such as video streaming and VoIP. In the other hand the TCP-based services such as SMTP and HTTP helps in sending steady stream of data packets which is crucial in the case of VoIP connections. In case some slight connectivity problems would not be able to cause or echo.
Security Objectives
(2) Quantifiable, computed value
(Process, performance, outcomes, quality, trends, conformance to standards and probabilities)
(3) Method of Measurement
(4) Analysis of Data
(5) Security
Indicator/Characteristics
(6) Reporting relevant data
(7) Decision making
(8) Requirement to Standard, regulatory, financial and organizational reasons
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