Tài liệu Virtual Private Networking doc

VIRTUAL PRIVATE
NETWORKING
01/24/14 2
Caùc dòch vuï phoå bieán







01/24/14 3
Các giao thức được sử dụng
phổ biến trong vpn






 !"

#" 
01/24/14 4
GIỚI THIỆU VPN

Việc liên kết ngang qua
mạng công cộng.

Cho phép chuyển data giữa 2
máy tính ngang qua một

mạng dùng chung hay là 1
mạng công cộng theo mô
phỏng thuộc tính của 1 liên
kết Point-to-Point.
01/24/14 5
Nhửừng ủieu kieọn cụ baỷn cuỷa
VPN

$%$&'() &'*(
$ +$+', /0/$"

1%2%'%3%44'&& $5$
.%/,6&'7"

82&,-$,%/.9

:% 2';<"

=62/,6&"

:% 22"

>0 ',2"
01/24/14 6
GIÔÙI THIEÄU
REMOTE ACCESS

((*, 2 5$ $?"

@(**-%A%,-$,%/."


,6 +((', '2,2,9
5& "
BBBBB2)/0,%/."
BBBBB#,.$3(9
BBBBBC&A2&"
BBBBB=62"
D%? &"
01/24/14 7
=+,-$
 &,$A

"

"

"

"
01/24/14 8
"
01/24/14 9
"
01/24/14 10
"
01/24/14 11
"
01/24/14 12
EF1G#


.',-$($&,-2
/$&--%.(.+*
& (/,6&%&.
+&.2"

 H'2$IH2', 
H$,$2/"

C&++$-%(+'(
6* *+"

C(J2', 2.$
'A +7.+*', .$
&',-$("

K,-$(63(2*H9
K22L (+L-%2/,6&
2"
01/24/14 13
POINT – to – POINT
PROTOCOL

1'.M9 *&**"

1'.!982,.,-$,%/."L>L
=#>L=#>C!"

1'.N9K().."

1'.O9 +,6,2-2=."


1'. (/,6&

01/24/14 14
CAÙC COÂNG NGHEÄ CUÛA
VPN

#9&#
 ('7&.+*LH 
#', '22&E@$-2&+'(
L

8I
9D&28 )-2&2 
%PL 63.28$ 
&E@$+'(L'26 )2'
7&.+*"D'*'56
 ),$8$A23%E@$+'(
'26 )*2/*8*"
01/24/14 15
CAÙC GIAO THÖÙC CHÍNH
TRONG VPN

"22
L8L GFE ('/,-2/.62L$'22
&(+'('2 )'7&.
+*"

 !"!22L
8L GFE ('/,-2/.62L$'2

 )'+2+,-$0 &+*/
L,$L8"!QLR L ="

#/# -*',-$(#2
22', 62L$'222.&(+
'(( )7&&'$.+* $
&.+&"
01/24/14 16
POINT-to-POINT TUNEL
PROTOCOL

$&,2,2!2'2
222
/& ('
+&.+*"

1,2,%/.**
"

$(-%&%
,2"

<0 2,2
8LLG#$GFE"
01/24/14 17
LAYER 2 FORWARDING
PROTOCOL

!R6*&&
.+%'A +7

."

!R+.
&$"

!R0 (,-2*
*-"

!R2)0 %
#$@E#
&A2&"

01/24/14 18
Layer 2 tunelling
protocol

$&,.* %
$!R"

'222
& )'+
2.L8"!QL
R  ="

!+,%
/.E@"

,6$(
,2!
3(9L#L

#.

01/24/14 19
CAÙC CHÖÙC NAÊNG CUÛA
L2TP

82&% 7 (%$>"

(&.0"

E% 7 ("

82&')*%"

,%/.&3%/$H.3&"

.',-$(<&,-$,%/..
*$"
01/24/14 20
BAÛO MAÄT GIAO
THÖÙC INTERNET

#$&,20-%
,2N"

>0 &'%3%$
 (%+7
&.+*"

=&#(2&

$&
"

-*#,%/.
,-23%&"

D%?62 (%6
', '22.-2&(
+'(%"
01/24/14 21
GIAÛI PHAÙP BAÛO MAÄT
THEO MOÂ HÌNH
INTERNET

$ ,$-2,2
/."

.%2*,
,$-2"

#>"

#F#"

#DF"
01/24/14 22
82&+'(

>*&A2&
(*%&2/,6&

L$&,.',-$.2;
%2'2"

*5$.%/,6
&$3%&."

#,%/.%&3?"

&/%2/,6&H
+62"

 +./,6&$A2&
/,6& (%', 
*3-%&A2&+
'(.3&L,6+'($
+'( (%"
01/24/14 23
=S>T@USFVEKT1
1T

F#62.%/,6&%
2&A%+,"

F#2)*,6$ 
.&A2&(*%
/,6&L5$.%/,6&L
$&3%&.-2&2
,-,.,$>"

,.3%&%F#+-%&

+$3&,62/,6&
,>"

F# *>(
5)&%/,6&"
01/24/14 24
Financial Plan

High-level financial plan that defines
financial model, pricing assumptions, and
reviews yearly expected sales and profits
for the next three years.

Use several slides to cover this material
appropriately.
01/24/14 25
Financial Plan

High-level financial plan that defines
financial model, pricing assumptions, and
reviews yearly expected sales and profits
for the next three years.

Use several slides to cover this material
appropriately.