Network infrastructure proposal

1.                  Project Introduction

            Telecommunication network becomes important part in an organization since it helps the enterprise to perform daily tasks that are critical to the success of business - Network infrastructure proposal introduction. There are many applications that a company may use including voice communication by using telephone, data (file sharing, SAP-based system etc), and Internet. For some industry like banking, telecommunication services are critical parts that they cannot perform their business without them.

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            Since the use of telecommunication networks is critical, therefore, the continuity of services (COS) should be maintained to prevent operation losses as the result of broken cables, failure Wi-Fi access points, and slow network connection due to incompatibility of components in the network, to name a few.

            Concerning the set up of a network in a building, this paper will develop business proposal of providing new data communication infrastructure to meet particular business challenge or opportunity.

2.                  Organization’s Project Charter

Telecommunication network does not only enable a business to facilitate communication but also to reduce operation costs of the business by supporting the alignment and interlocking of business processes within and between organizations.

This is true since the initial investment in building a network in a building can save operational costs that makes the initial investment is justified within a designated period. Therefore, it is essential that in the building, we should pay attention to the adoption of networking technologies to reduce operational expenses including main distribution frame (MDF), intermediate distribution frame (IDF), Wi-Fi access point, cable rack, a server etcetera.

3.                  Total Costs Calculation

            In order to figure out the total costs in developing the project in our building, we need to define and determine what components required in the network.

Table 1            Costs Calculation

No,
Items
Price per Item (US$)
QTY
Total (US$)
1
Micro Express MicroFlex 66B (monitor and peripherals included)
999
8
7,992
2
Asus WL-167g USB 2.0 WLAN Adapter
34.99
8
279.92
3
MDF
2,000
1
2,000
4
IDF
1,500
2
3,000
5
Printer
500
4
2,000
6
Tape backup
229
10
2,290
7
Smart-UPS RT 10 KVA (10kVA) Extended Run, Rack/Tower 6U Black with PowerChute S/W Bundle3
7,406
4
29,624
8
J4904A HP Procurve Switch 2848 – Managed 44 Port
2,018
10
20,180
9
Wireless Access Point
100
48
4,800
10
Others
5,000
1 set
5,000

Total
$75,166
Source: PC World.com, cnet.com

4.                  Project Performance Metrics, Critical Success Factors, and Risk Assessments

            Table 2 shows the resume of performance evaluation in setting up telecommunication network.

Table 2            Performance Metrics

Item
Performance Evaluation
Risk
Functionality
LAN must provide users with acceptable speed and reliability
Incompatibility of network components may slow down network access
Scalability
LAN must anticipate the growth in the number of users in the future without performing any major changes to the overall design
Use of critical components like MDF/IDF and access point DO NOT anticipates the quantity requirement within the next 5 years.
Adaptability
LAN system that is capable of employing future technologies
Network technologies are obsolete that require complete replacement in short period
Manageability
LAN must employ network monitoring and management in order to provide better services to clients
NO network monitoring system will cause incapability of network administrator to detect fault in the system

5.                  Physical Layout of the Data Communication Infrastructure

Figure 1          Layout of planned communication infrastructure

            Figure1 exhibit the detailed layout that we will build in order to connect the premises in the building so that they can communicate each other through fiber optic cables and Wi-Fi (wireless fidelity) systems.

5.1              LAN/WAN components

            In order to set up reliable and appropriate communication links typically LAN (local area network), a company must decide which topology, which will be employed in its systems. There are many options regarding the network topology including Ethernet, Token Ring, FDDI, ATM, or even a mixture. Each of the system generally can use various transmission media such as wireless connections and fiber optic communications.

            Prior to the set up of LAN communications, a company must consider comprehensive factors including topology (star, mesh, or bus), transmission media (wireless or wire line/cable), transmission speed (bit rate) and many other.

5.2              Communication Protocols

            In terms of protocol for LAN communications, several options exist such as Ethernet, Local Talk, Token Ring, FDDI, and ATM in which each has particular advantages and limitations as following:

Ethernet
This is the most widely used protocol in computer networks. This protocol runs in an access method called CSMA/CD (Carrier Sense Multiple Access/Collision Detection). The benefit of this system is Ethernet can use multiple transmission media like twisted pairs, coaxial, fiber optic cable etc. another advantage is no-collision between two computers that send data simultaneously.

Token Ring
IBM develops the use of Token Ring method in a computer network in 1980s. In a token system, many computers are connected to a ring in which every time a computer sends a data, the system will tap it and deliver it to destination within a ring. This kind of protocol only works best in Star Topology that uses twisted pair cable and fiberoptic.

FDDI
Fiber Distributed Data Interface (FDDI) connects two or more networks in long-distance communications. The access method in FDDI is token that employ two physical topologies. However, the transmission only runs on one ring. The second ring is used if there are troubles in the first Ring. The benefit of this protocol is they can deliver high-speed data up to 100 Mbps.

5.3              Data communication technologies to include data, voice, audio

            In the designed data communication, since fiber optics and Wi-Fi support many types of communications, therefore, the network can be used to deliver multimedia (voice, video, and data)

5.4              Hardware and software components

            In order to fulfill the need assessment worksheet, during the implementation, we need to set the system requirement. Table 3 describes the system requirement for my WLAN system as following:

Table 3            System Requirement Worksheet of WLAN System

No.
Criteria
Description
1
Network Topology
Net or Mesh since in my design, each user must be able to communicate directly with other users. In this case, servers act as the source of information or applications that users need
2
Computers
Number of computer: 8 (including a server). Personal computer will have criteria at minimum: core-duo-type microprocessor, 512 RAM, 256 Video RAM, and 60 GB hard disk, DVD-RW, WLAN-enabled, IR (infra red port), slot for card (MMC, SD, Memory stick etc), 14-inch monitor, a mouse for each computer, file compression (like WinZip or WinRAR), and multifunction copier (fax, scan, copy, printer)
3
Software
Operating System (min. Windows XP professional Edition), Microsoft Office (Word, Excel, Power point, Visio), Adobe Acrobat, Adobe Photoshop, Antivirus,

Figure 2          WLAN Network

Source: www.worldnet.ro/P_AirLive_Documentatie_02.htm

            Figure 2 shows particular WLAN network that I intend to develop for my use. The figure suggests several components that the company needs to purchase; they are WLAN Print Server, WLAN card, and Wireless Access Point etcetera. In general, Figure 3 shows the network diagram that exhibits main components in the network.

Figure 3          Diagram of Network

Reference:

 Harris, Michael P. (2000). Internetworking Technologies. Retrieved November 26, 2007 from http://www.delmar.edu/Courses/ITSC1391/Sem3/4LANdesign.htm

Bitpipe. (2007). Network Design and Management First Steps.. Retrieved November 27, 2007 from http://www.bitpipe.com/data/web/bp/netmgmt/netmgmt_tutorial.jsp

 

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