Scenario: Pearland Hospital

rabidwestvirginiaNetworking and Communications

Oct 26, 2013 (4 years and 17 days ago)

95 views

Scenario
:
Pearland

Hospital

M
r
. Robertson, the IT director at Pearland Hospital, is responsible for managing the net
w
ork. M
r
.
Robertson has requested your help in proposing a net
w
ork solution that will meet the hospital

s
requirements.

The hospital is gr
o
wing, and the management has released funds for net
w
ork
impr
ov
ements.


The

medical

sta
f
f

w
ould

li
k
e

to

be

able

to

access

medical

systems

using

laptops

from

a
n
y

of

the patient
rooms. Doctors and nurses should be able to access patient medical records, x
-
ray
s, prescriptions,

and

recent

patient

information.

M
r
.

Robertson

purchased

n
e
w

ser
v
ers

and

placed them in the data centr
e
.

The wireless LAN (WLAN) has approximately 30 laptops, and about

15 more are due in six months.

The ser
v
ers must h
a
v
e high
a
v
ailabilit
y
.


P
atient

rooms

are

on

floors

6

through

10

of

the

hospital

b
uilding.

Doctors

should

be

able

to

roam and

access

the

net
w
ork

from

a
n
y

of

the

floors.

A

radio
-
frequen
c
y

report

mentions

that

a

single access point
located in each communication closet can reach
all the rooms on each floor.

The current net
w
ork has
ten s
e
gments that reach a single router that also ser
v
es the Internet.

The router is running Routing
Information Protocol

V
ersion 1 (RIPv1).

The back
-
end n
e
w ser
v
ers are

located

in

the

same

s
e
gment

as

those

used

on

floor

1.

M
r
.

Robertson

mentions

that

users

h
a
v
e complained of sl
o
w access to the ser
v
ers.
He also hands you a table with current IP addresses

Cur
r
ent IP

Add
r
esses


Floor

Servers

Clients

I
P

Network

1

15

40

200.100.1.0/24

2

0

43

200.100.2.0/24

3

0

39

200.100.3.0/24

4

0

42

200.100.4.0/24

5

0

17

200.100.5.0/24

6

0

15

200.100.6.0/24

7

0

14

200.100.7.0/24

8

0

20

200.100.8.0/24

9

0

18

200.100.9.0/24

10

0

15

200.100.10.0/24


M
r
. Robertson
w
ould li
k
e a proposal to upgrade the
net
w
ork with
f
ast switches and to pr
o
vide
f
aster
access to the ser
v
ers.

The proposal should also c
ov
er secure

WLAN access on floors 6 through 10.
Include an IP addressing scheme that reduces the number of Class C net
w
orks the hospital uses. M
r
.
Robertson
w
ants to reduce the number of net
w
orks leased from the Internet service pr
o
vider (ISP).


Scenario

Questions

1.

What are Pearland Hospital

s
b
usiness requirements?


2.

Are there a
n
y
b
usiness
-
cost constraints?


3.

What are the net
w
ork

s technical
requirements?


4.

What are the net
w
ork

s technical constraints?


5.

Prepare a logical diagram of the current net
w
ork.


6.

Does the hospital use IP addresses e
f
fect
i
v
ely?


7.

What
w
ould you recommend to impr
ov
e the switching speed between floors?


8.

Based

on

the

number

of

ser
v
ers

and

clients

pr
o
vided,

what

IP

addressing

scheme

w
ould

you
propose?


9.

What routing protocols
w
ould you recommend?


10.

What solution
w
ould you recommend for

WLAN access and the net
w
ork upgrade?


11.

Dr
a
w the proposed net
w
ork
solution.