LAN DESIGN
Running head: PROPOSAL FOR LAN DESIGN
Proposal for the Local Area Network Design at the
PricewaterhouseCoopers CPA Firm in Atlanta, Georgia
Unit 2 Group Project
James Buchanan
James Cann
James Dean
James McKinley
Jessie James
Carnegie-Mellon University
Enterprise Network Design
ITD640-02
Professor Manny Astte, PhD
September 6, 2003
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LAN DESIGN
Abstract
This proposal is for the design of a local area network at the
soon to be constructed local office of PricewaterhouseCoopers
Certified Public Accountant firm.
PricewaterhouseCoopers will
be constructing a local office in the Atlanta area.
The local
office will be in a newly constructed five-story building.
PricewaterhouseCoopers is the world’s largest CPA firm, with
over 125,000 employees in more than 142 countries.
PricewaterhouseCoopers, formed from the 1998 merger of Price
Waterhouse and Coopers & Lybrand, has origins dating back to
1849.
CEO since January 1, 2002, Samuel A. DiPiazza, Jr. has
lead PricewaterhouseCoopers to 2002 net revenues of $13.8
billion.
Serving 86% of the Global Fortune 500 companies in
Technology, InfoComm, and Entertainment, PricewaterhouseCoopers
continues to outgrow it current offices and information
technology infrastructure.
This proposal will help
PricewaterhouseCoopers to expand its current number of offices
and service more domestic clients in the southern and eastern
states.
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LAN DESIGN
Proposal for the Local Area Network Design at the
PricewaterhouseCoopers CPA Firm in Atlanta, Georgia
1) Preliminary Analysis
a) Client Profile
i) Successful CPA Firm
ii)
Novell NetWare 5.0 Network Operating System (NOS)
iii) 5 separate Departments
iv)
560 Employees Currently
v) 1 Building, 5 Stories, 1 Department per floor
vi)
Requirement of future expansion (scalability) at low
cost and minimal effort
vii) Requirement for Local Area Network Connectivity
b) Assumptions
i) Client will occupy all 5-Stories of the new Building
ii)
There will be approximately 112 Employees per floor
iii) Multi-mode Fibre-Optic Cable throughout the building
iv)
Fast Ethernet NICs in every computer
v) 1000mbit Ethernet on the backbone
vi)
Project will be fully funded upon proposal acceptance
c) Initial Project Guidelines
i) Gigabit Backbone Switch
ii)
48 Port 10/100 Megabit Switch for every floor (4 per
floor x 5 = 20 switches)
iii) Novell Netware 5.0 SFT III (system fault tolerance
III) – mirrored servers
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LAN DESIGN
iv)
Dell OptiPlex GX270 Computers (Pentium 4, 2.8 GHz, 512
MB)
v) Network printer on every floor
vi)
Kentrox Switch for the T-1
vii) Kentrox CSU/DSU for the T-1
viii)
ix)
Cisco Router for the T-1
Intel Infrastructure devices (i.e. Gigabit switch,
100mbit switches, etc.)
x) Fibre-Optic cable to every floor
xi)
Category 5e (CAT5e) cable to each office
xii) Wireless access point on each floor in a centrally
located conference room
d) Project Unknowns
i) Will any existing equipment be transferred from existing
offices (i.e. legacy computer hardware, etc.).
e) Project Resources
i) CMU Consultation Team
(1)
Nicole Andrus – Equipment specification,
staffing, budgets, and other logistical needs.
(2)
Kenneth Barton – Equipment specifications, brand
selection, equipment acquisition, and project expense
management.
(3)
Kevin Blackwell – network engineer, network
layout, network design, technical consultant.
(4)
Nekisha Charles – technical consultant, project
presentation, word processing, project presentation,
public affairs, client liaison.
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LAN DESIGN
(5)
Adam Culberson – Project manager, network
consultant, systems engineer.
ii)
CMU Consultation Team Professor
2) Implementation Plan
a) Our Goals - Our priorities are usability (functionality),
security, performance, scalability, availability, and
affordability.
i) Functionality - the network must work with reasonable
speed and reliability.
ii)
Scalability - the network must be able to grow without
any major changes to the overall design.
iii) Adaptability - the network should include no element
that would limit use of new technologies as they become
available.
iv)
Manageability - the network must be able to allow ease
of monitoring and managing.
b) Equipment Selection
i) Servers - Servers can be of two types: enterprise and
workgroup.
(1)
Enterprise Servers - Enterprise servers support
ALL users by offering services that everyone would
need.
(2)
Workgroup Servers - Workgroup servers support
only a specific group of users, offering services that
only a few groups of people would need.
c) Equipment Placement
i) Servers
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LAN DESIGN
ii)
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Layer-2 Switches - The two most common layer 2 devices
are bridges and LAN switches.
iii)
iv)
Layer-3 Switches
v) Routers - Using Layer 3 devices, such as routers, allows
for segmentation of the LAN into unique PHYSICAL and
LOGICAL networks.
vi)
Fibre-Optic Junction Boxes
vii) Network Printers
d) Logistical Challenges
i) Intranet versus Internet – When configuring an Intranet
(used only by those with access to the LAN) certain
logistic challenges exist.
Each of these challenges will
be discussed in this proposal.
ii)
Bandwidth - A bandwidth domain is everything
associated with one port on a bridge or switch.
In the
case of an Ethernet switch, a bandwidth domain is also
known as a collision domain.
iii) Broadcast Traffic - Bridges and switches forward
broadcast traffic; routers do not.
Broadcasts become
excessive when the network design is “flat” and does not
include separate subnets (segments).
iv)
Collision Domains - In an ideal situation, the size of
the collision domain is 2 (the source host and the
destination host).
LAN DESIGN
v) Segmentation - the process of splitting a single
collision domain into two or more collision domains.
Layer 2 bridges and switches are used for this process.
3) Conclusion
a) Recommendation
i) Overall Building Plan
(1)
5-Story Building
(2)
560 Employees
(3)
112 Average Employees per Floor
(4)
10 pair of Multi-mode Fibre-optic cable
(5)
2 pair of multi-mode Fibre-optic cable from the
basement to each floor
(6)
T-1 Services come in on the 1st Floor and are
routed to the basement switch by a 3com Router, after
passing through a CSU/DSU
ii)
Basement Plan
(1)
Main
Distribution Frame (MDF) - main
distribution frame (MDF) - The central connecting
point for both voice and data wiring.
Also serves as
the main location from which cross connecting and
testing are done.
(2)
2 Cisco Pix Firewall
(3)
4 Rack Mounted HP Proliant DL-380 G3 Servers
(a)
Server 1
(i)
Windows Server 2003 – Web Edition
(ii)
Member Server
(iii)
IIS 5.0 World Wide Web (WWW) Server
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LAN DESIGN
(b)
Server 2
(i)
Windows Server 2003 – Enterprise Edition
(ii)
Domain Controller
(iii)
DNS
(iv)
DHCP
(v)
File Services
(vi)
Print Services
(vii)
Global Catalog Server (GC)
(viii) RID Master, PDC Emulator, Schema Master,
Domain Naming Master
(c)
(i)
Windows Server 2003 – Enterprise Edition
(ii)
Domain Controller
(iii)
Infrastructure Master
(d)
(4)
Server 3
Server 4
(i)
Windows Server 2003 – Enterprise Edition
(ii)
Domain Controller
(iii)
Global Catalog Server
1 24-port Nortel 10/100/1000 m/bit Switch with a
multi-gigabit backplane
(5)
Liebert 5KVa Uninterruptible Power Supply
(6)
1 HP ProCurve Switch with a Fibre-Optic Module
iii) 1st Floor Plan
(1)
Intermediate Distribution Frame (IDF)
(2)
1 HP ProCurve Switch with a Fibre-Optic Module
(3)
3 48-Port HP ProCurve 10/100 m/bit Switches
(4)
HP LaserJet 8100DN Networked Workgroup Printer
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LAN DESIGN
(5)
120 Dell OptiPlex GX270 Pentium 4, 2.8 gigahertz,
512 MB Computers
iv)
(a)
Flat Panel LCD Display
(b)
40 GB Hard Drive
(c)
101-Key Keyboard
(d)
Optical Scroll Mouse
(e)
TrippLite Surge Suppressor
(f)
Mouse Pad
2nd Floor Plan
(1)
1 HP ProCurve Switch with a Fibre-Optic Module
(2)
3 48-Port HP ProCurve 10/100 m/bit Switches
(3)
HP LaserJet 8100DN Networked Workgroup Printer
(4)
120 Dell OptiPlex GX270 Pentium 4, 2.8 gigahertz,
512 MB Computers
(a)
Flat Panel LCD Display
(b)
40 GB Hard Drive
(c)
101-Key Keyboard
(d)
Optical Scroll Mouse
(e)
TrippLite Surge Suppressor
(f)
Mouse Pad
v) 3rd Floor Plan
(1)
1 HP ProCurve Switch with a Fibre-Optic Module
(2)
3 48-Port HP ProCurve 10/100 m/bit Switches
(3)
HP LaserJet 8100DN Networked Workgroup Printer
(4)
120 Dell OptiPlex GX270 Pentium 4, 2.8 gigahertz,
512 MB Computers
(a)
Flat Panel LCD Display
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LAN DESIGN
vi)
(b)
40 GB Hard Drive
(c)
101-Key Keyboard
(d)
Optical Scroll Mouse
(e)
TrippLite Surge Suppressor
(f)
Mouse Pad
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4th Floor Plan
(1)
1 HP ProCurve Switch with a Fibre-Optic Module
(2)
3 48-Port HP ProCurve 10/100 m/bit Switches
(3)
HP LaserJet 8100DN Networked Workgroup Printer
(4)
120 Dell OptiPlex GX270 Pentium 4, 2.8 gigahertz,
512 MB Computers
(a)
Flat Panel LCD Display
(b)
40 GB Hard Drive
(c)
101-Key Keyboard
(d)
Optical Scroll Mouse
(e)
TrippLite Surge Suppressor
(f)
Mouse Pad
vii) 5th Floor Plan
(1)
1 HP ProCurve Switch with a Fibre-Optic Module
(2)
3 48-Port HP ProCurve 10/100 mbit Switches
(3)
HP LaserJet 8100DN Networked Workgroup Printer
(4)
120 Dell OptiPlex GX270 Pentium 4, 2.8 gigahertz,
512 MB Computers
(a)
Flat Panel LCD Display
(b)
40 GB Hard Drive
(c)
101-Key Keyboard
(d)
Optical Scroll Mouse
LAN DESIGN
(e)
TrippLite Surge Suppressor
(f)
Mouse Pad
b) Project Cost
i) Equipment
(1)
ii)
$1,200.00
Labor
(1)
$40,000.00
c) Project Timeline
i) Duration
(1)
2 Months
(2)
320 x 5 staff = 1600 staff hours of work
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References
Cisco. (2003).
Welcome to Cisco Systems.
Retrieved on
September 3, 2003 from http://www.cisco.com .
Convery, S., Trudel, B. (April 24, 2003). SAFE: A Security
Blueprint for Enterprise Networks.
Cisco Systems, Inc.
Retrieved on August 31, 2003 from
http://www.cisco.com/warp/public/cc/so/cuso/epso/sqfr/safe_
wp.htm
Dean, T. (2002). Network+ Guide to Networks. 2nd Ed. Course
Technology, Boston MA. Pp. 182-192, 203-208, 275-282
Dell. (2003). As Easy as Dell.
Retrieved on September 5, 2003
from http://www.dell.com/us/en/gen/default.htm .
Kentrox. (2003). Network Access Solutions for Enterprises and
Service Providers. Retrieved on September 6, 2003 from
http://www.kentrox.com .
Liebert.
(2003).
Keeping Business in Business. Retrieved on
September 6, 2003 from http://www.liebert.com .
Novell (2003). Novell, Inc. Retrieved on September 4, 2003 from
http://www.novell.com .
PricewaterhouseCoopers (2002).
2002 Global Annual Review.
Retrieved on September 5, 2003 from
http://www.pwc.com/extweb/onlineforms.nsf/(aid)/17118992766
954A685256C70005EFF08/$file/PwC_Annual_Review_2002.pdf .
LAN DESIGN
PricewaterhouseCoopers (2003).
About Us. Retrieved on September
1, 2003 from
http://www.pwcglobal.com/gx/eng/about/main/index.html .
Tripplite. (2003).
13
Your Single Source Solution.
Retrieved on
September 6, 2003 from http://www.tripplite.com .
LAN DESIGN
See the illustrations below for a function diagram of the
basic network layout
Illustration 1.
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Illustration 2.
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Illustration 3.
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Illustration 4.
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Illustration 5.
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Illustration 6.
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Illustration 7.
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Illustration 8.
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