CHƯƠNG 1: TỔNG QUAN VỀ ĐỊNH TUYẾN - Pdf 11

CHƯƠNG 1: TỔNG QUAN VỀ ĐỊNH TUYẾN
1.1. Giới thiệu về định tuyến

 !"#$%&'($
)*+!,'-%./
0&1'23 4**
56!78'79/:.;<87=8
'.".!>3../'($*
.?...@%.0*# A.?..
!))*3?=6.B.<
87!./'3C#9;&!28D
."+?9/<878'7
1.2. Định tuyến tĩnh
$<87" A!
;E%)*!+$F9GH! 4G
)*'*9H6.3)*F=9GH!

1.3. Định tuyến động
'*<87")*508)9H3
9H! AH!$"E)
!F$H3'6
1.4. Phân loại giao thức định tuyến
1.4.1. Định tuyến theo Distance Vector
I J,K6''K36;
I L3MK'K39/GK<!./
:H!$H3K2+).
'6 N)'$3M'K?3E+
=
Trang 1
I O!&"K'K?3+;
9&*++!PH!>KM'>$

I A3#e!?'6K'K?3
:&JbKTfbWgVbIVbX
:&fbWgT
I J"K9
I b<87MbWg;,+=
I ASM.M=1)F
1.5bfbWg'6"NKYK
fbWg!"K9%8)
9he fbWg%$32h&ViZg Ahee0
jfbWge'6$!$;!2
UVWS6\].!7M'$k,+!M'
,$0,H#
$l fbWga.7%%&UVW'!"
3#e!.@%.'6*+* fbWg
=?'@<87^
fbWg UVW
W@%.'66'+
=.7!+!2
W@%.^+=
.7!'+.
b<87MbWg, b<87M,?3
Y*,.7!+!
2
Y*,$0
+!2
Z+!!7 Z+!!7M
N(8e!*+ R#e!*+
b<87$.0 b<87$
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1.6So sánh giữa Link State và Distance Vector

R$G%YJb4
CHƯƠNG 2: TỔNG QUAN VỀ CÔNG NGHỆ FRAME RELAY
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LinkState DistanceVector
2.1 Công nghệ Frame Relay
2.1.1 Giới thiệu về công nghệ FRAME RELAY
gKUK8'7+8>*K.?"
!e"9'=;%.'62+*8%6 Y2:=1
gKUK8>*'K@"%<87He8'7
op] RH*op]%:e"'MC'"$fbV
gKUKS?3!"e"'MCH^*;<G
=12P$ RGEH&H^"$<
>'M5<CH!39gKUK"$
%?3"=&op]
gKUK*'699;#8P9
.B.M.2+9@!80'MC Z9'MC+
8=gKUKG%2"87&ZAWqVW
[KnVfbb[m 3"87 ['M*.;H#$
80-H28r'H+ 
A;'>8'7gKUKc%;
'.FH
2.1.2 Lợi ích sử dụng FRAME RELAY
• ZH#$6;%.'6"87.".P*.;
?$*?"$S8'73H 
• Z$#C<878'7sG=.23H3!+
!2tAK8VuUKIAVUv+!28>*)
$%.B.^? Z%.$HM+!
2'%"AVU 
• OG%508)8*!38@$*'8@
). Z'8@*:).+

3a'r%: YgKUK%2
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2.1.3 Sự tiến triển và ngõ cụt của công nghệ Frame Relay
2.1.3.1 Sự tiến triển của công nghệ Frame Relay
gKUK!)&$* W/6gKUK!
8)9)‚&./2'./"**+2$8>
* A+ƒ!+!G%He'/!
He<87+
2.1.3.2 Ngõ cụt của công nghệ Frame Relay
4!+5K$*gKUK!ƒ7$*He'
$239KK'$25=!+$*6
I.KK8K [SG%%8>* A$*.
$K6$*KKIHK8
2.1.4 Mạch ảo Frame Relay
gKUK%!+Ce3&o p] O+9
9H>1gKUK)MH+3 L+99
o p]3%=.923K8IIK8 
2.2 Hoạt động cơ bản Frame Relay
2.2.1 Các dịch vụ kết nối và quản lý dữ liệu
2.2.1.1 Mạch ảo Frame Relay
439987I>/+
:KIK [=.96+:9
87$!8@H!tKv:
43359WYAk,3+'
3bYAk,3$59T
I WYAT
4GH/+98*!„m[.3!S,N[m
tN[K…m88KvH/+,% +'6GN[m
293H~<87NJAV Y6G:.N[m
!+93++1'!F>1

%2 [GWN‡.3"MH
'=.!&8'7 
- 4!+$9?+9WN‡
8KH^Ha
E9
2.2.2.3 Các dịch vụ quản lý tính toàn vẹn của dữ liệu
Y=2&8'7+9'+$9.3%
9H*'8'73C;'ˆ&8>*He''"G
%!'$ [2"=.2;#8
'2'*3C8>* Y;87"=.)5)lmAR
&%2?!'K1) A8'73C
8>*&72$%#3H<
2%?! 
W&M5)[mR-%=.He"8@$H
<%~.3<%'<87!'2S
2.2.2 Cấu trúc Frame của Frame Relay
OK8K&uKgKK€T
- NJAVTnM8+8>*
- AqUTnF$
- imTne!S
- giA[Tn$HaE6
- niA[Tn$HaE@
- NiTn&uK
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Z7;&gKUKH^!e6.
$H^=3!e6. O\ \$3!!/
e6.&!gKUKTM8+3 gKUK<
87M8+8>*tNJAVvM8!3
Z/NJAV%51*!,93
+tWYAv ‰?3eKHe'1S/6

S8H/+<87G/F$H
AqU8H/+:'%>92
- EA
R8@2/e!9Sj#+NJAV
8@He!Sim 
I Bit FECN và Bit BECN
OŒM8@$HKK./F'2)a
E A3#)*%HeHHaEgiA['HH
aE@niA[ 
nniA[E%HM9uK'<K6%8@H
P&%~aEPe./F+ 
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Z$H.B.P2%aE
%3
ngiA[KH~\uK'<8KK68@H
~aE53e6.;% ngiA[%2"
&6..;9.B.M5M6..&6
%&P8t"6uK6v:62
PeP
- Bit DE
Y=2aE'=2&& gKK?3'=2
H~&%&8@aE\'+
/.0H*ƒx%&8@ gKK<87HNi
'=2
2.2.2.2 Định dạng của Frame
ZcH~NJAVuKgKKF'2;6
'"p_:•K Y62Pj8@
2NJAV?
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2.2.3 Multicasting

uK%&#$B++!
5=.5S+!2 
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2.4.2 Kiểm soát tắc nghẽn trên Frame Relay
2.4.2.1 Quản lý tốc độ truyền
- AVUtAK8VuUKvTZ+!$tnqvc!
+9H*>98@'=.8'7
- n8>*2K+!+!2'%
+!.B.AVU'r.B.28>*
!H:S53aE=. Z9
53aE9,E,uK2'6+
!"AVU&6
- Y2:CG8KgKKE3CH!AVU&
+'6<87a98K$'%3#&8K Z9'
H!AVU$9'%+!2'MC$
.<87%+!M.
2.5 So sánh Frame Relay và ATM
2.5.1 Tại sao Frame Relay và ATM có sự ảnh hưởng lẫn nhau
47;&9gKK'mZ4.B.97<87$
**3gKUK'P=.239mZ4
mZ4$*F9'?%.$9%5
H3+@9&gKUK'mZ4$%H
Z9gKUK<87!c')FHM&mZ4"/';?
F><87%
2.5.2 Các định nghĩa
Z;=9c)G%&*+gKUK59!
mZ4%,HHKt!+v b)9!!
8@8'7mZ4)*"#&gKUK O!%
)*He<87%H?HH#!
tnIAWiv nIAWi.3)5M&*+gKUK5

3.3 Cài đặt
3.3.1 Các bước triển khai
n\TA=gKUK'SVWUKU\U•U]T
+ UKU\
UKŽuKK
iKu8K.KK i8…A[ZJq•
UKtuvŽKO[
O[tuvŽKuK.H\
O[tuIuvŽ.88K\` \ \ \p]] p]] p]] `
O[tuIuvŽKuKK`q`
O[tuIuvŽ.88K\` \ \p_ \p]] p]] p]] `
O[tuIuvŽK.uKIK
O[tuIuvŽuKIK'KKI.
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O[tuIuvŽuKIK..\` \ \p_ \\`p
O[tuIuvŽuKIK..\` \ \p_ p\`pH8
O[tuIuvŽuKIK..\` \ \p_ _\`_H8
O[tuIuvŽ8…
+ UKUp
UKŽuKK
iKu8K.KK i8…A[ZJq•

UKtuvŽKbL
bLtuvŽKuK.Hp
bLtuIuvŽ.88K\` \ p \p]] p]] p]] `
bLtuIuvŽKuKK`q`
bLtuIuvŽ.88K\` \ \p_ pp]] p]] p]] `
bLtuIuvŽK€•```
bLtuIuvŽK.uKIK
bLtuIuvŽuKIK'KKI.

.88K
K.uKIK
.KIK
K€•```
uKIKuI.K8K
uKIKK\`pKuKbK`q\p`\
uKIKK\`_KuKbK`qp_`\
8…
KuKbK`q\
.88K
K.uKIK
uKIKuI.K8K
uKIKKp`\KuKbK`q`\`p
8…

KuKbK`qp
.88K
K.uKIK
.KIK
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uKIKuI.K8K
K€•```
uKIKK_`\KuKbK`q`q`\`_
8…
n_TA=fbWgK….K[n4mT
O[tuvŽK.u\
O[tuIKvŽK…\` \ \p_ `` ` ` p]]K`
O[tuIKvŽK…\` \ \ `` ` ` p]]K`
O[tuIKvŽK5
O[tuvŽKuK.H\

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