Semester Course code Course Name Credit Hours

ahemcurrentΔίκτυα και Επικοινωνίες

21 Νοε 2013 (πριν από 3 χρόνια και 4 μήνες)

88 εμφανίσεις

Semester

Course code

Course Name

Credit Hours

6

EE
-

325

Computer Networks

2+0

Objectives

T
he

area

of

c
o
m
p
u
ter

n
e
t
wor
k
i
ng

i
s

u
n
d
e
r
g
o
i
n
g

r
a
pi
d

d
e
v
e
l
o
p
m
e
n
t;

i
t

s

i
m
p
o
r
ta
n
t

t
o

f
o
c
us

n
o
t

o
n
l
y

on what

c
o
m
p
u
ter

n
e
t
wor
k
s

a
r
e

to
d
a
y
,

b
u
t

a
l
s
o

o
n

why

a
nd

h
o
w

th
e
y

are

d
e
si
g
n
e
d

the

w
a
y

t
h
e
y

are.

T
he a
i
m

of

th
i
s

c
o
u
rs
e

i
s

t
o

pr
o
v
i
de

a

c
o
n
c
e
p
t
u
al

i
ntro
d
u
c
t
i
on

t
o

c
o
m
p
u
ter

n
e
t
w
or
k
s

a
n
d

i
ts

d
e
s
i
g
n

p
r
i
n
ci
p
l
e
s
. In

t
h
i
s

c
o
u
rs
e,

w
e

w
i
l
l

s
t
ud
y

the

f
u
n
d
a
m
e
n
ta
l
s

of

b
u
i
l
d
i
ng

sc
a
l
a
b
l
e

c
o
m
p
u
ter

n
e
t
wor
ks
.

W
e

w
i
l
l

g
o

thr
o
u
g
h the

t
h
o
u
g
ht
-
pro
c
e
s
s

th
a
t

went
i
nto

d
e
si
g
n
i
ng

t
he

In
terne
t
--
-
w
h
i
c
h

i
s

the

b
e
s
t

e
x
a
m
p
l
e

of

a

c
o
m
p
u
ter n
e
t
w
ork

t
h
at

h
as
a
d
a
p
t
ed

a
nd

sc
a
l
e
d

t
o

c
h
a
n
g
i
ng

e
n
v
i
r
o
n
m
e
n
t.

Pre requisite






COURSE OUTLINE :

C
o
u
r
se

In
t
r
oducti
o
n;

M
o
t
i
v
ati
o
ns

of

st
u
d
y
ing

ne
t
w
o
r
king



A

h
i
g
h
-
l
e
v
el t
o
p
-
d
o
w
n

v
i
e
w

of
c
o
m
p
u
ter

ne
t
wor
k
i
ng



A
p
p
li
c
a
t
i
o
ns of

n
e
t
wor
k
i
ng


Foundati
o
n

P
r
o
b
l
e
m
:

B
u
i
l
d
i
ng a
n
etw
o
r
k



A
p
p
li
c
a
t
i
o
ns



Req
u
i
r
e
m
e
n
t
s
---
Con
n
e
c
t
i
vi
t
y
,

R
e
s
o
u
rc
e

S
h
a
ri
n
g
,

S
u
p
p
ort

f
or

Co
m
m
on

S
er
vi
c
es



Ne
t
w
ork

A
rc
h
i
tecture



Ne
t
w
ork

S
o
f
tware



P
er
f
o
r
m
a
n
c
e


Di
r
e
c
t

Li
n
k

N
e
t
w
o
r
ks

P
r
o
b
l
e
m
:

P
h
ys
i
c
a
ll
y
c
o
n
n
e
c
t
i
ng Ho
s
ts



Har
d
w
are

b
u
i
l
d
i
n
g

b
l
o
c
k
s



E
n
c
o
d
i
n
g



F
r
a
m
i
ng



E
rr
or

Dete
c
t
i
on



Re
l
i
a
b
l
e

T
r
a
n
s
m
i
ss
i
on



E
th
e
r
n
e
t



T
o
k
en

R
i
n
g
s



W
i
r
e
l
e
s
s



Ne
t
w
ork

A
d
a
p
ters




P
a
c
k
e
t
S
w
itchi
n
g

P
r
o
b
l
e
m
:

Not

a
l
l

n
o
d
es

are

d
i
r
e
c
t
l
y
c
o
n
n
e
c
t
e
d



S
w
i
t
c
h
i
n
g

a
nd

Fo
r
ward
i
ng



B
r
i
d
g
e
s a
n
d

L
A
N

S
w
i
t
c
h
e
s



Ce
l
l

S
w
i
t
c
h
i
ng



I
m
p
l
e
m
e
n
ta
ti
o
n

a
nd
P
er
f
or
m
a
n
c
e

In
t
e
r
net
w
o
r
king

P
r
o
b
l
e
m
:

There

i
s

m
ore

t
ha
n

o
n
e

n
e
twork



Si
m
p
l
e

I
n
tern
et
w
or
k
i
ng



In
t
ern
e
t

P
r
o
tocol



Rou
t
i
ng



G
l
o
b
a
l

I
nt
e
r
n
et



M
ul
t
i
c
a
s
t



M
P
L
S

E
n
d
-
to
-
E
nd

Pr
o
t
ocols

P
r
o
b
l
e
m
:

G
et
t
i
ng

p
r
o
c
e
ss
e
s to

c
o
m
m
u
n
i
c
ate



UDP



T
CP



R
P
C

C
o
nge
s
t
ion Con
t
r
ol

a
nd

Reso
u
r
c
e

A
ll
o
c
a
t
ion

P
r
o
b
l
e
m
:

A
l
l
o
c
at
i
ng

R
e
s
o
u
r
c
es



I
ss
u
e
s
i
n
R
e
s
o
u
rc
e

A
l
l
o
c
a
t
i
on



Q
u
e
u
i
ng

D
i
sc
i
p
l
i
n
e
s



T
CP

Co
n
g
e
s
t
i
on

Co
n
trol



Con
g
e
s
t
i
o
n

A
v
o
i
d
a
n
c
e

M
e
c
h
a
n
i
s
m



Q
u
a
l
i
t
y

of
S
e
r
vi
c
e

E
nd

to

E
nd

Da
t
a

P
r
o
b
l
e
m
:

W
h
a
t

to

d
o

w
i
th

t
he

d
ata



P
r
e
s
e
n
t
at
i
on

Fo
r
m
at
ti
ng



Data

C
o
m
pre
ss
i
on

Net
w
o
r
k

S
e
c
u
r
i
t
y

P
r
o
b
l
e
m
:

S
e
c
uri
n
g

t
h
e

D
a
t
a



C
r
y
pt
o
gra
p
h
i
c
a
l
g
ori
t
h
m
s



S
e
c
uri
t
y

M
e
c
h
a
n
i
s
m
s



E
x
a
m
p
l
e

S
y
s
t
e
m
s



F
i
r
e
w
a
ll
s

A
p
pl
i
c
a
t
io
n
s

P
r
o
b
l
e
m
:

A
p
p
l
i
c
a
t
i
o
n
s

n
e
e
d

t
h
e
i
r

own

proto
c
o
l



Na
m
e

S
er
vi
c
e



T
r
a
di
t
i
o
n
al
A
p
p
l
i
c
at
i
o
n
s



M
ul
t
i
m
e
di
a
A
p
p
li
c
a
t
i
o
ns



O
v
erl
a
y

N
e
t
wor
k
s

Net
w
o
r
k

M
onito
r
ing

and

M
anagement

P
r
o
b
l
e
m
:

Ne
t
work

n
e
e
d

t
o

be

m
o
n
i
tored a
n
d

m
a
n
a
g
e
d


Pr
a
ctical

Net
w
o
r
king

(t
en
t
ati
v
e

a
nd

time

per
m
it
t
in
g
)



Ne
t
w
or
k
i
ng

o
pt
i
o
n
s
/

c
o
n
f
i
g
urat
i
o
n

i
n:



W
i
n
d
o
w
s
,

L
i
n
u
x



C
i
sc
o

e
q
u
i
p
m
e
n
t

c
o
n
f
i
g
ura
t
i
on
(
u
s
i
ng t
h
e

G
N
S
3
s
i
m
u
l
at
o
r
)



J
u
ni
p
er

e
q
u
i
p
m
e
n
t

c
o
n
f
i
g
urat
i
o
n



E
th
e
r
e
a
l
(
W
i
r
e
S
h
a
r
k
) Netw
o
r
k

A
n
a
l
yz
er


Reference Books


1)

Co
m
p
u
ter

Ne
t
w
or
k
s

a
n
d

I
n
ternets”
b
y

D
o
u
g
l
as
E
.

C
o
m
er

2)

Co
m
p
u
ter

Ne
t
w
or
k
s


(
4th

E
d
i
t
i
o
n)

b
y

A
n
d
r
e
w

S
.

T
a
n
e
n
b
a
um

3)

Co
m
p
u
ter

Ne
t
w
or
k
i
ng



A
T
op
-
Do
w
n

A
p
p
r
o
a
c
h

F
e
a
tu
r
i
ng

t
he

I
nt
e
r
n
et”

b
y

K
uro
s
e

a
n
d

Ro
s
s