687983_a1d9b_aliev_t_i_seti_evm_i_telekommunikacii

123456 4. 768926ABC5 D5EF

62E «% 893F» 9C EF 6B2 3F 7F 54CD 3C 98 287237

3 256 88 2 E6 8:

•Push – 62 89F9A 945 3 89 4;

•Swap – DC 7F9A 9 45 5 945 7232;

•Pop – 5 CE 7F 3 B 7 94F.

!2E5 C 6C4 9, LSR 62 72 B5 F79 B" 8C, 7C 4292B 6BF$E 6C4 9, F 62 D7C 7F 6BF3 DC772 4 6C4 95 94F 26B E 9 E 7 2 3 2 72 F79 B" 8. 19CB2 D7C 7F 94F DC 7 98 723, 82 B C3$F 8 3 62E «893F» 9C EF , F 6C4 9 296BC3E 98 4 8E 5 5 589B2 8935 7C 659F LSP.

8 26 BC F 9B 5 9 EF$A 2 72BCD232 F 79F"F4C FF D7C 7F 62E 3 2 72 89B24 9C EF . '92 DC7F C 9 2BCD 2 7A$ 3B 7F, 8BC37 7F IP-C B 8C 296BC3F9 E 8 7CF 2E EF77 C B 87 6B "F482 3 9C EF CB$B59FDC FF, 4292B2 F862EAD5 98 6BF 9BC F F2772 CB$B59FDC FF.

4C BF8.4.71 624CDC7 6BF B MPLS-8 9F, 7C 2 8 3 24B5 7FF IP-8 9. .C C IP-8 9A 82 F7 98 B D 34567897AB 65 5 8C6 35

(!($) 8 B5F3694 9 5 D143DE 4 B5 21 6 63 3D14 61535

LER (Label switch Edge Routers), 4292B 3 62E7 9 8E 5 F "574 FF:

•4EC88F"F4C F 6C4 923 62 BCDEF 7 EF6 6 (E 8 6F27 7343

53 8#278 (FEC – Forwarding Equivalence Class), F F 2 F7 F 9298E 5 F 26;

• B CEFDC F 9C4F 262E7F9 EA7 8 B3F823, 4C4 "FEA9BC F, 37C CB$B59FDC F, 3 BC37F3C7F 7C B5D4F F 56BC3E 7F 9BC"F42.

B D5EA9C9 F79 78F37 3 F8E 7F 6BF 2 98 7C BC7F 75 2 EC89A MPLS-8 9F, C 3 82426B2FD32 F9 EA7C 42 59C F 3 62E7 98 3 B, 82 B C 72 8932 LSR.

4.71

4.5.3. *2D9E9 94 MPLS

-C 2E2324 MPLS EF72 32 F9C 389C3E 98 5 DC 2E234C F 2-2 F 3-2 5B237 OSI-2 EF, 92 C#9 6232 232BF9A, 92 MPLS – +92 9 72E2 F 5B237 2,5.

331

123456 4. 768926ABC5 D5EF

-C 2E2324 MPLS 82 B F9 (BF8.4.72) 8E 5 F 62E:

•(5 2 (20 F9), 7C 28723 4292B2 285 893E 98 42 59C F 6C4 923 3 MPLS-8 9F;

•CoS (Class of Service) – 4EC88 2 8E5 F3C7F (3 F9C),

54CD 3C F 4EC88 9BC"F4C, 9B 5 2 26B E#772 2 624CDC9 E QoS;

•S – 6BFD7C4 7C 89 4C 924 (1 F9), F862EAD5 E 2B C7FDC FF C B FB23C77 659 LSP 6BF 6B2 2 7FF 6C4 92 B D 7 842EA42 MPLS-8 9;

•TTL (Time To Live) – 3B FD7F 6C4 9C (8 F9), 5 EFB5 C7CE2 F 72 62E IP-6C4 9C, 92 62D32E 9 CB$B59FDC92BC LSR 29 BC8 3C9A 6C4 9 8 F89 4$F 3B 7 FD7F.

%E 82D C7F 8F89 C B FB23C77 659 LSP 8 E 42EF 8932 5B237 F BCB FF DC 2E2324 MPLS-4C BC "2B FB5 98 3 3F A12 6 215, 34E C 2 892EA42 DC 2E23423 MPLS, 842EA42 5B237 F BCB FF 82 B F9 C B FB23C77 659A (BF8.4.73). !BF +92 BCDEF C 9:

•$5#+ % 5 2, 7C 4292B 38 C 3 62E7 98 893F, 54CDC77 3 9C EF 6B2 3F 7F;

•4 5 2, 6BFD7C42 4292B2 2 8E5 F9 D7C 7F 62E S=1.

4.73

*B C7FDC F 89 4C 924 7 2 2 F C E 2B C7FDC FF

95F5D35 92 5 5 D16 44 B5 21 6, 42 C 6C4 9 6 B C 98 7 92EA42 3759BF 4C 2 2 MPLS-2 7C, 72 F 5 BCD7 F MPLS- 2 7C F, 2 8E5 F3C BCD7 F 6289C3 F4C F 58E5. 1 62 2 A 89 4C 924 2 9 9A B CEFD23C7 C7FD 772F853 678.

6C88 29BF C7FD "2B FB23C7F 72 25B237 32 42 59C FF 8 F862EAD23C7F 89 4C 924 7C 6BF B 8 9F, 624CDC772 7C BF8.4.74.

!2E2 F, 92 7C 659F 6 B C F IP-&2 5 2 FD IP-5 1 3 IP-52 F 98 2 MPLS-4 (5 2, 3 4C 2 FD 4292B 6C4 9 6B2 2 F9 B D 2 62 BC7F 7 CB$B59FDC92BC LER F 2 CB$B59FDC92BC LSR.

332

123456 4. 768926ABC5 D5EF

IP-6C4 9 FD IP-8 9F 1 62 F79 B" 85 I0 626C C 9 3 62 BC7F 7 CB$B59FDC92B LER1, 3 DC 2E2324 IP-6C4 9C 5 9 389C3E 7 MPLSDC 2E2324. 82293 9893FF 8 9C EF 6B2 3F 7F CB$B59FDC92BC LER1 5 9 8"2B FB23C7 MPLS-DC 2E2324, 3 62E 94F 4292B2 2 5 9 589C723E 72 D7C 7F 216. -C9 893F Push 6BF3 #9 4 "2B FB23C7F 392B2 2 MPLS-DC 2E234C, 4292B 89C7 9 3 B$F72 89 4C, 3 62E 94F 4292B2 2 5 9 589C723E 72 D7C 7F 129. )C4F 2 BCD2, 62 3F98 89 4 FD 35 MPLS-DC 2E23423 (8. BF8.4.74), 6BF # 32 392B2 DC 2E234

333

123456 4. 768926ABC5 D5EF

6BFD7C4 7C 89 4C S 5 9 589C723E 7 3 1. %CE +929 6C4 9 7C6BC3E 98 7C F79 B" 8 I1, B D 4292B 27 626C #9 3 CB$B59FDC92B LSR1.

82293 9893FF 8 9C EF 6B2 3F 7F LSR1 628956F3$F 62 F79 B" 85 J0 6C4 9 8 942 129 2E 7 9A 7C6BC3E 7 3 3 2 72 F79 B" 8 J1, 6BF +92 94C 129, 7C 2 C 8 3 3 B$F7 89 4C, 2E 7C 9A DC 7 7C 7C 174 (893F Swap 174).

CB$B59FDC92B LSR2 5 9 5 CE 7C (893F Pop) 3 B 7 94C 174, C 3 62 BC7F 72 CB$B59FDC92B LER2 94C 216 5 9 DC 7 7C 7C

225 (893F Swap 225).

%CEA7$ 6B2 3F 7F 6C4 9C F FD 7 7F MPLS-DC 2E234C 6B2F8 2 9 C7CE2 F 7 2 BCD2 (8. BF8 4.74).

4.6.123 2 6 2 A 3 A447F 8 A 48 3

DC4E 7F BC88 29BF 62 B2 7 6BF B, FEE 89BFB5 F 6B2 88 "2B FB23C7F 6B29242EA7 E2423 C77 7C BCD7 5B237 56BC3E 7F 6 B C C77 3 8289C372 8 9F (BF8.4.76), F862EAD5 89 4 6B29242E23 TCP/IP.

Eth2 B

'+2

/ Eth1 '+1

'+3

Eth5 E

4.76

1289C37C 8 9A 8 62 2 A 9B# CB$B59FDC92B23 (($1, ($2, ($3) 2 F7 9 8 9A /)(-8 9A, &.25 F 5 E24CEA7 8 9 Ethernet (Eth1, Eth2, Eth3, Eth4, Eth5), 4 4292B 62 4E 7 62EAD23C9 EF (42 6A 9 B)

A, B, C, D, E.

4.6.1. !CA56 2 9B9 72 67C

3 # 8E 5 F 2 2D7C 7F

•IP- F (/1-C B 8 E3$256:

IP.<( (& / 5#2> MAC.<( (& / 5#2>

•IP- F (/1-C B 8 35 6 65 5 8C6 356:

IP.<(5# (2#+#% 32 #2>.<(5# & # 2> MAC.<(5# (2#+#% 32 #2>.<(5# & # 2>

334

123456 4. 768926ABC5 D5EF

•DC 2E2324 F862EAD5 2 2 3 8 9F E6 56 (6C4 9C, 4F):

)_<( 5>

4C6BF B:

•IP- F (/1-C B 8 42 6A 9 BC B 5 59 F 9A 3F:

IP.B F MAC.B,

•IP- F (/1-C B 8 62B9C 2 CB$B59FDC92BC '+1 5 59 F 9A 3F:

IP.1.2 F MAC.1.2

•DC 2E2324 F862EAD5 2 2 3 8 9F Eth1 4C BC:

)_Eth1

6C88 29BF 62+9C672, 4C4 FD 7 98 6B29242EA7 E24 C77 3 DC3F8F 289F 29 8B 6 B C F 3 6B2 88 289C34F C77 29 5DEC (42 6A 9 BC) B 4 5DE5 .. %E 26B E#77289F 62E2 F, 92 E 6 B C F C77 FD 427 C 3 427 F862EAD5 98 9BC7862B97 6B29242E UDP.

4.6.2.%93 C39 27C6 2778 E6-CA59 7C46

1.%C77, 62 E C F 6 B C, 7C6BC3E 98 29 82293 98935 2 6BFE2 7F, B CEFD5 2 2 7C 6BF4EC 72 5B237 3 42 6A 9 B /, 7C 9BC7862B97 5B23 7A, "2B FB5 98 UDP9C BC C (BF8.4.77,C), 3 DC 2E234 )_UDP 4292B2 54CD 3C 98 72 BC 35 62B923 – 3F 96 2F (-:.) F 3 56 8 2F (-:B).

2.UDP-9C BC C 6 B C#98 6B29242E5 IP, 4292B 34EC 3C 9 # 3 IP-6C4 9 (BF8.4.77, ), 3 DC 2E234 )_IP 4292B2 2 54CD 3C 98 IP-C B 8C

3F 96 2F (IP.B) F 3 56 8 2F (IP.A).

-_Eth1 IP-6C4 9

3. IP-6C4 9 628956C 9 7C 4C7CEA7 5B23 7A B CEFD5 2 2 3 42 6A 9 B / 89 4C 6B29242E23, 34EC 3C 98 3 4C B 8 9F Ethernet, 62842EA45 42 6A 9 B / 6BF7C E F9 8 9F Eth1. )C4 4C4 42 6A 9 B 7 62 4E #7 4 8 9F Eth1, 42 6A 9 B / 2 BC C 98 4 9C EF CB$B59FDC FF F 26B E 9, 92 E 6 B C F 4C BC 8E 5 9

335

123456 4. 768926ABC5 D5EF

F862EAD23C9A $E D, 4292B 3E 98 CB$B59FDC92B ($1. )2 C 3 DC 2E234 4C BC )_Eth1 3 4C 893 (/1-C B 8C 7CD7C 7F 54CD 3C 98 C B 8 62B9C 1 CB$B59FDC92BC ($1 – 'B.1.1, 8 4292B 83 DC7C 1 Eth1, F (/1-C B 8 42 6A 9 BC / – MAC.B, 3E 28 5DE2296BC3F9 E 4C BC (BF8.4.77,3). .27 3F4 4C BC 82 B F9 4279B2EA75 85 5 ( ) E 6B23 B4F 6BC3FEA7289F 289C34F 4C BC.

4.6.3.636 2 2 2778

4.1"2B FB23C77 9C4F 2 BCD2 4C B 6 B C#98 7C "FDF 84F 5B23 7A, 4292B 2 86 F3C 9 289C345 4C BC 3 E3$256 9252C 5/ Eth1 E 65 5 8C6 35 1 3 3F "FDF 84F 8F 7CE23 (+E 49BF 84F, 269F 84F, '!2), 82293 98935 F 8B 6 B C F.

5.(CB$B59FDC92B ($1, 62E5 F3 4C B, 6 B C#9 2 E 2 BC 294F 6B29242E5 Ethernet, 4292B 62 8 F9 3C 9 4279B2EA75 85 5 4C BC F 8BC37F3C 9 # 82 D7C 7F .1 3 4C B. 18EF +9F D7C 7F 7 8236C C 9, 92 4C B 29 BC8 3C 98 F 7 DC6F8 3C 98 3 5" B75 6C 9A. 6B29F372 8E5 C, 8EF 62 8 F9C772 D7C 7F 4279B2EA72 85 8236C C 9 82 D7C 7F, 54CDC77 3 427 3F4, 6B29242E Ethernet 2832 2 C 9 4C B 29 DC 2E234C F 427 3F4C F 6 B C#9 2 82 B F 2, 92 89A IP-6C4 9, 6B29242E5 IP. !B29242E IP C7CEFDFB5 9 IP-C B 8 7CD7C 7F IP.. F, F862EAD5 9C EF 5 CB$B59FDC FF, 26B E 9 3 2 72 62B9 F IP-C B 8 8E 5 2 289C. !2E2 F, 92 3 7C$ 6BF B +92 62B9 4 F IP-C B 8 IP.3.1. !2842EA45 62B9 4 CB$B59FDC92BC ($1 83 DC7 8 8 9A &.25 F, 8E 23C9 EA72, 6BF7C E F9 +92 8 9F, 6B29242E IP 2 BC C 98 4 6B29242E5 .25, 92 8 62 2 A 6B2 5B 589C723E 7F 82 F7 7F 82D C9A 3FB95CEA7 4C7CE 8 26B E#77 72 B2 (D.), 4292B DC728F98 3 3-C 923 DC 2E2324 6C4 9C &.25. -C9 6C4 9 6 B C#98 6B29242E5 4C7CEA72 2 5B237 LAP-B, 4292B 34EC 3C 9 6C4 9 &.25 3 82293 98935 F 4C B LAP-B (BF8.4.78), 2 BC E 2 "EC C F (5).

4.78

6. 1"2B FB23C77 9C4F 2 BCD2 4C B 6 B C#98 7C "FDF 84F 5B23 7A, 4292B 2 86 F3C 9 289C345 4C BC 9252C 2 +.25 3

65 5 8C6 356 61 E 65 5 8C6 35 3.

7. (CB$B59FDC92B ($3, 62E5 F3 4C B, 6 B C#9 2 E 2 BC 294F 6B29242E5 LAP-B, 4292B 2832 2 C 9 4C B 29 DC 2E234C )_LAP-B F 6 B C#9 2 82 B F 2 6B29242E5 &.25. !B29242E &.25, 3 832 2 B A, FD3E 4C 9 FD 62E C77 6C4 9C &.25 82 B F 2 (IP-6C4 9) F 6 B C#9 2 6B29242E5 IP, 4292B, C7CEFDFB5 IP-C B 8 7CD7C 7F IP.. F

336

123456 4. 768926ABC5 D5EF

F862EAD5 832 9C EF 5 CB$B59FDC FF, 26B E 9 3 2 72 62B9 F IP- C B 8 8E 5 2 289C. 7C$ 6BF B +92 62B9 2 F IP-C B 8 IP.2.5 CB$B59FDC92BC ($2. !2842EA45 62B9 2 CB$B59FDC92BC ($3 7C6B 5 83 DC7 8 62B92 5 CB$B59FDC92BC ($2 3 E 77 4C7CE2, 2 BCD5 35 92 72 82 F7 7F, 6 B C C C77 285 893E 98 7C 28723 6B29242EC 4C7CEA72 2 5B237 666, 4292B2 5 6B29242E IP 6 B C#9 IP6C4 9. !B29242E 666 34EC 3C 9 2 3 4C B ("2B C9 4292B2 2 624CDC7 7C BF8. 4.69), 2 BC E#77 "EC C F 5 F 82 B C F 9BF 2 72 C 923 62E:

•& 65 24#5 2 (11…1) , 82 B C 38 F7F ;

•& 65 «4$65 5» 4 ( 00000011;

•& 65 62 (IP), 54CD 3C, 92 3 62E C77 7C 2 F98 IP-6C4 9 (BF8.4.79).

4.79

8. 1"2B FB23C77 4C B 666 6 B C#98 7C "FDF 84F 5B23 7A, 4292B 2 86 F3C 9 289C345 4C BC 3 A 2F2773 E676F 3

65 5 8C6 356 63 E 65 5 8C6 35 2.

9.(CB$B59FDC92B ($1, 62E5 F3 4C B 666, 6 B C#9 2 E 2 BC 294F 6B29242E5 666, 4292B 6B23 B 9 4279B2EA75 85 5 F 29 BC8 3C 9 4C B, 8EF BC88 F9C772 D7C 7F 4279B2EA72 85 7 8236C C 9 82 D7C 7F, 54CDC77 3 62E .1 4C BC. 18EF .1 8236C C 9 8 54CDC77 3 427 3F4 D7C 7F, 6B29242E 666 FD3E 4C 9 82 B F 2, 92 89A IP-6C4 9, F 6 B C#9 2 6B29242E5 IP. !B29242E IP C7CEFDFB5 9 IP- C B 8 7CD7C 7F F, F862EAD5 832 9C EF 5 CB$B59FDC FF, 26B E 9, 92 C B 8C9 8 IP-C B 82 IP.. 7C 2 F98 3 E24CEA72 8 9F Eth2, 7 628B 893 772 62 4E #772 4 62B95 3 +92 2 CB$B59FDC92BC. -C9 6B29242E IP 2 BC C 98 4 6B29242E5 ARP, 92 5D7C9A (/1-C B 8, 82293 98935 F IP-C B 85 IP. . !B29242E ARP 7C 2 F9 3 832 ARP9C EF (/1-C B 8 ('B..) F 3 C#9 2 6B29242E5 IP. 18EF 6B29242E ARP 7 7C 2 F9 (/1-C B 8C, 92 27 B CEFD5 9 6B2 5B5 2 62F84C, 628 EC 3 1 Eth2 $FB2423 C9 EA7 ARP-DC6B28.

!28E 92 2 4C4 7C 7 (/1-C B 8 42 6A 9 BC-62E5 C9 E , 27 3 89 8 IP-6C4 92 6 B C#98 6B29242E5 4C7CEA72 2 5B237 Ethernet, 4292B 34EC 3C 9 2 3 4C B Ethernet (BF8.4.80), 54CD 3C 3 4C 893 C B 8C 7CD7C 7F 'B.. F C B 8C 296BC3F9 E – 'B.2.3.

10.1"2B FB23C77 4C B 6 B C#98 7C "FDF 84F 5B23 7A,

4292B 2 86 F3C 9 289C345 4C BC 9252C F3E6F 7$ 2 Eth2 3

65 5 8C6 356 62 E E3$25 /.

11. (& / 5# ., 294EF4C 8A 7C C B 8 'B.., DC6F8 3C 9 628956F3$F 4C B 3 5" B 8 9 32 2 C C69 BC. !2 DC3 B$7FF 6BF# C 4C B

337

123456 4. 768926ABC5 D5EF

6 B C#98 6B29242E5 Ethernet, 4292B 6B23 B 9 6BC3FEA7289A 289C34F 4C BC, FD3E 4C 9 82 B F 2 (IP-6C4 9) F 6 B C#9 2 6B29242E5 IP. !28E 7F, 3 832 2 B A, 87F C 9 IP-DC 2E2324 F 6 B C#9 82 B F 2 6C4 9C (UDP-9C BC 5) 6B29242E5 UDP, 4292B 3 82293 9893FF 8 54CDC77 3 DC 2E234 72 B2 -:. 62B9C 7CD7C 7F 6 B 8 EC 9 82 B F 2, 7C 2 8 3 62E C77, 4274B 972 5 58EF6 73

53 2.

4.7. B86A 48 E 8 6E 247F

0FB242 6BF 7 7F 42 6A 9 B7 8 9 32 38 2 EC89 E23 842 9 EA7289F, 24CD 3C 85 893 772 3EF 7F 7C 7C$5 FD7A, EC 9 3 8A C C495CEA72 6B2 E 5 F7"2B C F2772 D26C87289F. -C F9C F7"2B C FF 3 42 6A 9 B7 8 9 3E 98 2 72 FD 7CF 2E 3C 7 DC C, 4292B 2E 7 B$C9A8 3 6B2 88 F BCDBC 294F F +486E5C9C FF.

1B 893C DC F9 F7"2B C FF 3 42 6A 9 B7 8 9 2 72 BCD F9A 7C 3C 4EC88C:

•8B 893C E3$2573B 2C3 6 73 8, 2 86 F3C F DC F95 F7"2B C FF, 7C 2 8 3 E24CEA72 8 9F FEF 7C 29 EA72 42 6A 9 B 62EAD23C9 E;

•8B 893C 2 2 3B 2C3 6 73 8, 2 86 F3C F DC F95 F7"2B C FF 3 6B2 88 # 6 B C F B D 8 9A.

4.7.1. !36 A5 2 49 F 56379 B6 9 2A79A5C

1B 893C (& / 5# * 53 &2 2E 7 2 86 F9A DC F95 29 7 8C74 F27FB23C772 2 28956C 38 7C 2 F 8 3759BF 82 893 772 E24CEA72 8 9F B 85B823:

•C66CBC97 – 8 B3 B, F8423 C88F3, CB$B59FDC92B;

•6B2 BC 7 – 26 BC F277 8F89, 137%, 62 923 8E5

F 9. 6.

.B2 92 2, 7 2 2 F 2 2 86 F9A DC F95 C77, BC7 F 8 3 "C EC F 2 BC C9 3C 3 42 6A 9 BC. %E +92 2 7 2 2 F 2 4279B2EFB23C9A 9BC"F4, 3 2 F 3 8 9A 2 72 FD 279 B7 9C, F 89CBC9A8 6 B 4B 9A 28956 FD37 E E 2 F7"2B C FF, 8 62 2 A 4292B2 DE25$E 77F4 2 9 626 9C9A8 F862EAD23C9A 3759B 77F B 85B8 8 9F 32 3B F 3EC EA 5.

4CF 2E C892 3 4C 893 8B 893C 42 6A 9 B72 D26C87289F F862EAD5 98 BC7 C5+B, 589C7C3EF3C 3 89C 82 F7 7F 3759B 77 E24CEA72 8 9F 8 279 B7 92. A#2 4(2%9# (firewall)

338

123456 4. 768926ABC5 D5EF

6B 89C3E 9 82 2 8 9 32 +4BC7, 4292B 4279B2EFB5 9 9BC"F4 5 E24CEA72 8 9A F 279 B7 92 F 7 6B26584C 9 62 2DBF9 EA7 9BC"F4 3 8 9A. .B2 92 2, 3 4C 893 8B 893 42 6A 9 B72 D26C87289F 2 59 F862EAD23C9A8 389B2 77 8B 893C D26C87289F 26 BC F277 8F89, CD C77, C 9C4 389B2 77 C66CBC97 8B 893C 42 6A 9 BC.

4.7.2. !36 A5 2 A656 9 B6 9 2A79A5C

%E 2 86 7F 5 5$* 53 &2 7 2 2 F 2 DC F C9A F7"2B C F, 6 B C3C 5 3 3F 6C4 923 B D 8 9F 6289C3 F423 58E5 279 B7 9C, 92 27C 7 EC F84C 7C, 57F 92 7C FEF 6 B 3C 7C 62892B277F F E A F. %E B$7F +92 DC C F 8 2 7 $FB242 F862EAD5 98 C7FD 3FB95CEA7 C897 8 9 (VPN).

/39272 72 BC 29C F 42 6A 9 B 2 72 2E FEF 7 +"" 49F372 DC F9F9A 29 37$7F 6245$7F. ,2BCD 2 8E2 7 +92 8 EC9A, 8EF 42 6A 9 B BC 29C 9 3 8 9F F 2 C 98 8 B5 F F 42 6A 9 BC F. * 86 7F D26C87289F 3 +92 8E5 C 832 F98 4 92 5, 92 8 EC9A 6B27F4723 7F 62892B277F 4 B 85B8C 42 6A 9 BC 4279B2EFB5. %E +92 2 4C 2 5 62EAD23C9 E 8 9F 2E 7 9A 942 26B E 7 2 6BC3C 7C 28956 4 F7"2B C FF, 589B2 893C F 7C 3 62E7 7F 8F89 7 893F 3 4C 2 42 6A 9 B 8 9F. %262E7F9 EA72 7 2 2 F 2 2 86 F9A DC F95 29 6 B 3C9C 6 B C3C 62 8 9F C77 F 82D C7F «E2 72 2» 9BC"F4C, 7C 92 7C6BC3E 7C 2EA$C C89A 8B 893 2 86 7F 8 9 32 D26C87289F.

26B28 8 9 32 D26C87289F 6BF2 B 9C 9 282 5 D7C F 289A 3 83 DF 8 9, 92 42B62BC9F37 8 9F 38# C F862EAD5 9 279 B7 9 3 4C 893 9BC7862B972 2 8B 893C.

4.7.3. 97+C 67 C2EF79A5F, 9A5 79A5F, 6E9A579A5F

7 D26C87C F7"2B C F277C 8F89 C 2E 7C:

•DC F C9A C77 29 7 8C74 F27FB23C772 2 28956C;

•9A 38 C 29232 6B 289C3F9A C77 832F 62EAD23C9 E;

•7C 72 BC7F9A F7"2B C F F CBC79FB23C9A 7 FD 77289A

C77.

%E +92 2 8F89 C 2E 7C 2 EC C9A 8E 5 F F 832 893C F.

•45 26 (confidentiality) — CBC79F 92 2, 92 8 4B 97 C77 5 59 289567 92EA42 C392BFD23C77 62EAD23C9 E, 4292B +929 28956 BCDB$7.

•0 %& (availability) — CBC79F 92 2, 92 C392BFD23C77 62EAD23C9 EF 38 C 62E5 C9 28956 4 C77.

•,56 (integrity) — CBC79F 82 BC77289F C77, 4292BC 2 86 F3C 98 DC6B 92 E 7 C392BFD23C77 62EAD23C9 E 4C4F-EF 2 2 BCD2 FD 7 9A, 2 F"F FB23C9A, BCDB5$C9A FEF 82D C3C9A C77.

)B 23C7F D26C87289F 2 59 7 9A8 3 DC3F8F 289F 29 7CD7C 7F 8F89, CBC49 BC F862EAD5 C77 F 9F6C 32D 2 7 5 B2D.

339

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