, . () :
; , , ();
, ; , , ;
, ; ;
, (, , ..); , , .
- .
-
- ( -) . , Z DB, DC DF, A Z , .
, 2 6 , . 5.5. , 2 ( 6), 1, 4, 5. , 6 3, 3 2 . 2 6 :
6 - 1,
4 - 4,
6 - 5.
, 6 4. ( 4).
. Dj j Cij () i j. Cii = 0, Cij= Cji , i j , C ij = ∞. , 2 6
. (5.1)
, (D1, D4, D5 ) 1, 4 5 . , . ,
(5.2)
. (5.3)
|
|
D3 D5. , D1 D5. - . .
1. { }
2. { }
3. 2.
. , 6. (n, Di) : n i 6 Di. , . 5.1.
5.1.
k | 1 | 2 | 3 | 4 | 5 |
(-1, ∞) | (-1, ∞) | (-1, ∞) | (-1, ∞) | (-1, ∞) | |
(-1, ∞) | (-1, ∞) | (6,1) | (3,3) | (6,2) | |
(3,3) | (4,4) | (6,1) | (3,3) | (6,2) | |
(3,3) | (4,4) | (6,1) | (3,3) | (6,2) |
, 1
() | ||
, 2
() | ||
..
-, , . , ( ) , .. .
. , - . , , , .., ( ), . , , , (.5.5) , ( 5.1.) , 3 6 . 6 , , . 3 3-6, 6 ( 5) (4). ( 1 4). ( 1 - 2, 3, 4 4 1,2,3,5). 2 5. 5.3. , , , . 4
|
|
5.3.
k | 1 | 2 | 3 | 4 | 5 |
(3,3) | (4,4) | (6,1) | (3,3) | (6,2) | |
(2,7) | (5,6) | (4,5) | (2,5) | (6,2) | |
, | |||||
(3,7) | (4,6) | (4,7) | (5,5) | (6,2) | |
(2,9) | (4,6) | (4,7) | (5,5) | (6,2) | |
(2,9) | (4,6) | (4,7) | (5,5) | (6,2) |
, . . 5.6. .
3. 2-3 , 2: 1, 3, 5, ..101, .., 100 49 . 1 3: 2, 4, 6, 8, 10,... :
, , , ;
.
-, . . , split horizon ( , , ). , . : K , , . , (poison reverse), , , . - , .7.6.
1. 2 :
1. , , 1, D2 = ∞.
2. 1
3.
2 .
3. 1, D2 = ∞
4. 1
3.
5. , 2
, .. D2 , .
5.4.
5.4
k | 1 | 2 | |
2-3 | (2,2) | (3,1) | (3,1) |
(3,100) | (1, 3) | ||
(3,100) | (1,101) | ||
(3,100) | (1,101) |