Issue 51

Page 161

3 .' ÂŤ $4Âť 4 , 3 "! 3 550

? " Reference Bandwidth. . 3 " : 3: (3 #3 OPNet " 3 3 ! 3 & 3: 3 " . & " ? & 3: OSPF (Open Shortest Path First), ? ! 3 ( '? & & . ( ( 3 & 3 !3 ) & 3( ÂŤnode_0Âť ÂŤnode_9Âť, 3 3

3 & 0 9 , " ( ) . 2, " 3 ICMP (Ping Traffic) 3 ÂŤnode_0Âť ÂŤnode_9Âť. List of traversed IP interfaces: IP Address ---------192.0.14.2 192.0.13.1 192.0.2.1 192.0.12.2 192.0.18.1

Hop Delay Node Name ----------------0,00000 Enterprise Network.node_0 0,00304 Enterprise Network.node_1 0,00401 Enterprise Network.node_4 0,00285 Enterprise Network.node_7 0,00215 Enterprise Network.node_9

C # ICMP ! 3 , ! , # & node_0 -> node_1 -> node_4 -> node_7 -> node_9 " : (3 3( 3( 0 9. ( #3 OPNet 3

MATLAB 7.0. ,: 3! 3

3& !3 & 3: "3 & ( , " " & " ? "3 &3 (3. 3 ,

3 3& !3 & 3: 3 3

3 " & . 5 2 & & 3 3

3! : & 3: RIP (Routing Information Protocol). ?: " ?

, # 3 ? 3 3

3( 3 3 3

. C 3 & 3: RIP ? ! 3 (bandwidth)

" & 3 3 3 (3, 3& 3 & ? 3 , # 3 ? 3 3 3(-

159

3 3 3

( ! . ( ( , # 3

" : (3 " 3 , # "! ? ( 3 3 3 ( ! ), 3 ! 3 (bandwidth) ( . ' : (3 ( 3

7.

. 7. $ 0( # ( # # ’ ( (0 ’ !3 & 3: 3 3 0 9,

3" ! : § 999 ¨ ¨ 1 ¨ 1 ¨ ¨ 1 ¨ 999 C =¨ ¨ 999 ¨ 999 ¨ ¨ 999 ¨ 999 ¨ ¨ 999 Š

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1

1

999 999 999 999 999 999 999 999 999

1 – ’? 3 " , 999 – " 3 ' 3( 3 3 . $ & 3 , ? : result = CurrentTime: 2 CurrentVertex: 1 NextVertex: 3 Cost: 1 result = CurrentTime: 3 CurrentVertex: 3 NextVertex: 6 Cost: 1 result = CurrentTime: 4 CurrentVertex: 6 NextVertex: 10 Cost: 1


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