(. 1), , , , . , .
. 6.
. 6.
- , IP- Ethernet-, , Fibre Channel.
- ( 100/ ), ( Metro Ethernet ).
L3 VPN, FrameRelay ATM (, , ).
VPN- . , , .
.
VLAN
VLAN , Ethernet, , . VLAN. VLAN S-VLAN . VLAN C-VLAN . , IPTV S-VLAN, unicast- C-VLAN.
VLAN 12- Ethernet , VLAN. VLAN IEEE 802.1Q. , (tags), "VLAN-" "Q-". , , VLAN, , .
VLAN (S-VLAN)
VLAN VLAN , , , IP- (VoIP), IP- (IPTV) (VoD). IGMP (multicast), S-VLAN, IPTV. . 1 VLAN.
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" " CPE , .
DSL-, Ethernet- PON ONT, , .
VLAN , . .
, , SDTV-. HDTV , , , HD.
Triple Play .
RG (Residential Gateway) , DSL .
Multiplay, . , RG . - , , IPTV PC.
(Call Admission Control, C). - ( VLAN ) BNG (Broadband Network Gateway).
VLAN (C-VLAN)
VLAN (C-VLAN), . 2, VLAN . , Metro Ethernet, Frame/ATM, PON. .
C-VLAN , .
Multi-Play, (PC/Notebook, IP-phone, STB, MP3-, ..) .
CPE.
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, .
VLAN .
Ethernet- . RG C-VLAN. ( VLAN RG, , ).
C-VLAN . BSR, BSR (Broadband Service Router) MSAN (Multiservice Access Node). (. 3) , (Unicast) - -VLAN, S-VLAN, Multicast-VLAN (M-VLAN). (. 4)
( Ethernet, MSAN, PON) VLAN, . . VLAN- (Q-in-Q) .