xDSL ???????????? D-Link - PowerPoint PPT Presentation

About This Presentation
Title:

xDSL ???????????? D-Link

Description:

????? ??????????? ??????? IP DSLAM. ????? ??????????? ... ? ???????? adsl ??????????? Trellis ??????????? ? ??? ????-???????? (Reed-Salomon encoding, RS) ... – PowerPoint PPT presentation

Number of Views:675
Avg rating:3.0/5.0
Slides: 69
Provided by: ftpD4
Category:
Tags: link | trellis | xdsl

less

Transcript and Presenter's Notes

Title: xDSL ???????????? D-Link


1
xDSL ???????????? D-Link
??????? ????? ddavydov_at_dlink.ru
2
??????????
  • ???????? ? ?????????? ADSL/ADSL2/ADSL2 ? ATM
  • ?????? IP DSLAM?
  • ????????????????
  • ????? ??????????? ??????? IP DSLAM
  • ????? ???????????
  • ???????? ??????? ????????????????? SNMP
    ?????????? AMS
  • ?????????? IP DSLAM
  • ????? ??????????? ??????? ????????????
    ???????????? (CPE)

3
???????? ??????????? ADSL
  • SNR (Signal to Noise Ratio) ???????????
    ??????/???. ?????????? ? dB.
  • SNR Margin ????? ?? ??????????? ??????/???.
    ????????? ???????? ???????? ???? ?? ?????
    ????????? ? ???????? ???? ??? ??????? ????
    ??????? ?????? ?? ????????? . ?????????? ?
    dB.
  • Coding ???????????????? ???????????. ?
    ???????? adsl ??????????? Trellis ??????????? ?
    ??? ????-???????? (Reed-Salomon encoding, RS).
  • Coding Gain ??????? ? SNR ?? ???? ??????????
    ????????????????? ???????????. ?????????? ? dB.
  • FEC (Forward Error Correction) ??????????
    ?????? ????? ?????????? ?????????????????
    ???????????. ? ???????? ADSL ? ???????? FEC
    ??????????? ??????????? ????-????????.
  • FEC bytes ????????? ?????, ??????????? ?
    ??????? ADSL ?????, ??????????? ????????????
    ????? ???????????? ? ???????? ???????? ????? ??
    ???????? ???????.
  • Interleaving ??????? ????????????? ?????????
    ??????? ??? ? ????? ? ????? ??????????? ?????? RS
    ???????????.

4
???????? ??????????? ADSL (???????????)
  • ATU-C (ADSL Transmission Unit Central) ADSL
    DSLAM.
  • ATU-R (ADSL Transmission Unit Remote), CPE
    (Customer Premises Equipment) ADSL
    ?????/?????????????.
  • Latency (interleaving delay) ???????? ???
    ???????? ?????? ????? ATU-C ? ATU-R, ????????? ?
    interleaving-?? ??????.
  • Bit Swapping ??????? ???????? ????? ?????? ?
    ????? ?????????? ?? ?????? ??? ??????????
    ???????? ??????.
  • Interleave buffer (Interleave Path) ????, ??
    ???????? ???????? ?????? ?????? ??????????? ADSL
    ?????????? ??? interleaving-?.
  • Fast buffer (Fast path) ????, ??????????
    ??????? ?????? ??????????? ADSL ?????????? ???
    interleaving-?.
  • SELT (Single End Loop Testing) ???????????
    ?????????? ?????????? ????? ?? ???????,
    ??????????????? ???????????? ? ATU.
  • DELT (Double End Loop Testing) ???????????
    ?????????? ?????????? ????? ? ????? ??????.

5
???????? ? ADSL/ADSL2/ADSL2
6
????????? AnnexA ? AnnexB
ADSL AnnexB Upstream
ADSL AnnexB Downstream
?????? ISDN
640 ????/?
8 ????/?
40 ????/?
?????? 32--63
?????? 64--255
276 ???
0 -- 4 ???
1.1 ???
272 ???
138 ???
26 ???
7
?????????? ????? ? ADSL. ????????? ??????.
  • ??? ??????????? ?????? ? DSLAM ?????????? ???????
  • ??????????? ??????? ??????????????? ??????? ?????
  • ????????? ?????? ??????
  • ???? ???????????????? ?????? ???????
    (???????????)
  • ???? ??????????? ?????????? (training)
  • ???? ??????????? ?????? ?????? ???????
  • ??????? ?????? ??????? ????????????
    ??????????????? ???????

8
???????? ????????? handshake
  • ???????? ????? ??????????? ?????? ?? ???? ??????
    ???????? ???????????
  • ?????????????? ??????????? ????????????
    ?????????? ADSL ? ??????
  • ?????? ????? ?????????
  • CLR ATUR ???????? ?????? ? ??? ??????? ?????,
    ??????? ???????????? ?????
  • CL ATUC ???????? ?????? ? ??? ??????? ?????,
    ??????? ???????????? DSLAM
  • ASK ????????????? ?? ??????? ?????? ? ??????????
    ???????? ??????? ?????????? ??????? ??????
  • MS ATUR ???????? ????? ??????
  • ACK ATUC ????????? ????????? ?????
  • MS ATUR ??????????? ????? ??????? ??????
  • REQ-MR ATUC ?????? ??????? ????? ??????? ??????
    ? ??? ????? ??????????? ????????? MR
  • MR ATUR ???????? ????????? MR, ??????????
    ????????????? ????????? MS
  • MS ATUC ????????????? ????? ??????? ??????
  • ACK ATUR ???????????? ?????.

9
???????? ????????? training
  • ? ???????? ??????????? ?????????? ???????????
    ????????? ???????????? ?
  • ???????????????? ??????????? ?????? ? DSLAM. ??
    ???? ????? ????
  • ????????? ???????????? ? ?????????? ??????????
    ?????, ???????????
  • ??????? ? ????? ?????? ???????? ?? ?????.
  • ????? ? ???????? ??????????? ?????????? ????????
    ????????? ??????
  • ?????????? ???????? ??????? ?? ????? ?????
    (Upstream) ? ? ?????????? ????????????? ???????
    ???????? ??????????? ?? ????? ???? (Downstream).
  • ????????????? ?????? ???? ?????????? ?????????
    ??????? AGC (Automatic Gain Control).
  • ????????????? ?????? ??????????????.
  • ????????????? ????????? ????????????.

10
??????????? ?????????? ??????
  • ?? ???? ????? ???? ?????-DSLAM
  • ????????? ????????? ????? ????????
  • ?????????? ??????? ????????? ??????/??? (SNR) ??
    ?????? ???????
  • ????????????? ?????? ???????? ?? ?????? ???????
  • ??????????? ??????????? ???????? ?????????? ??
    ?????? ??????? ? ????????????? ?????????
    ??????????? ??? ?????? ???????.

?? ?????????? ????? ??????????? ?????? ? ??????
(? ? DSLAM) ?????????? ?????????? ?? ??????
????? ?? ?????? ???????, SNR ?? ???? ??????? ? ?
?????????? ???????? ???????? ???????? ?????? ??
???????. ?? ???????????? ???? ??????? DSLAM ?
????? ?????????????? ? ???????????? ????????
????????? ?????? ??????? ?? ????? ????? ? ????
(Upstream/Downstream).
11
???????? G.Lite (ITU G.992.2)
  • ???????????? ???????? Upstream ?????? 800Kbit/s
  • ???????????? ???????? Downstream ?????? 4Mbit/s
  • ??????????? SELT
  • ??????????? ?????? ??? ?????????
  • ??? ?????????? ????????? ?????????? ? ???????
    ?????????? ?????.

12
???????? G.DMT (ITU G.992.1)
  • ???????????? ???????? Upstream ?????? 800Kbit/s
  • ???????????? ???????? Downstream ?????? 8Mbit/s
  • ??????????? SELT
  • ??????????? ??????? ?????????.
  • ??? ?????????? ????????? ?????????? ? ???????
    ?????????? ?????.

13
???????? ADSL2 (ITU G.992.3)
  • ????????? ?????? ?? ??????? ??????
  • ?? 12????/? - ???????? ??????????? ??????
  • ?? 2,8M???/? ???????? ??????????? ?????? ?
    ?????????????? AnnexM
  • ?????????? ????????? ?? 200?
  • ????????? ??????????? (DELT ?????? SELT)
  • ??????????? ????????? ????????????? ?????? (?????
    ????????????? ?????????? ????????? ? 10 ?? 3 ???)
  • ???????? ????????? ???????? ?????????? ???
    ??????? ? ????????????? ?????????? (SRA)
  • ???????? Bit Swapping (BS)
  • ????????? ??????? ?????????????????

14
???????? ????????? ???????? (SRA)
  • ADSL2 ????????? ??????? ????????? ????????
    ????? (seamless rate adaptation, SRA) ? ??????
    ????????? ?????????? ????? (SNR).
  • ????????? ???????? ?????????? ?????????? ??? ????
    ? ???????? ??????

15
??????????? ?????? ????????? SRA
  • ???????? SRA ????????? ?????????? ???????? ?
    ?????? ????????? ??????? ??? ?????????????
    ???????????? ??????. ?? ???? ?????????? ?????????
    SRA ?????????? ADSL2 ??????????? ???????????
    ????? ?????? ? ?????????????? ? ????? ??????????
    ?????????? ???? ? ??????????? ????.

16
???????? Bit Swapping (BS)
  • ?????????? ????????? Bit Swapping

?? ???? ???????????? ??????? ??????????
???????????? ?????? ?????????? ???????????,
????????? ? ???????? ????? ???????? ?????????
???????? ?????? ?? ??????? ? ???????????
??????????. ? ????????? BS ??????????????
????????? ?????????? ??????? ??????? ??
????????? ????? ? ????????? ???????. ?
?????????? ?????? ?????????????? ????????
?????? ?? ???????????, ?? ????????? ?
???????????? ?????? ??????????? ? ?????? ????.
17
?????? ?????????????????
  • ??? ?????? ???????? ???????? ? ADSL2 ? ?????????
    ? ADSL
  • L0 ????? ???????????? ???????? ????????
    (???????????? ? ?????? ???????? ?????????????????
    ???????).
  • L2 ????? ??????? ?????????????????
    (????????????? ???????? ???????? ???????,
    ???????? ??????? ????????).
  • L3 ?????? ????? (??????????, ????? ??????? ??
    ?????????? ADSL).

18
?????????? ADSL2
  • ???????????? ??????? ?????????? ADSL2 ??
    ADSL/ADSL2 ??? ???????? ???????????? ??????.
    ???????????? ?????????? ADSL ? ADSL2 ???????? ?
    ????????? ?? 1,1???. ??? ?????????? ??????
    ???????? ?????? ? ?????????? ADSL2 ????????????
    ????? ??????? ???????? ?????? 2,2???.

19
??????????????? ????????? ADSL2 ? ADSL2 ? ?????
????? ??????????? ???
  • ?????????? ?????? ???????? ???????? ??????????
    ????? ????? ?????????. ? ?????? ???????? ?????
    ?????? ???????? Bit Swapping, ??????? ????????
    ??????? ???????? ADSL2 ? ADSL2. ? ??????????
    ????????? ADSL2 ????? ???????????? ??? ??????
    ???????? ?? 1,1???, ? ????????? ADSL2 - 1,1
    2,2 ???.

20
?????????? ReADSL2
  • ??????? ?????? ReADSL2 ????????????? ????????
    ??????? ???????????? ? ADSL, ?? ? ???????
    ????????? ?????????. ?? ???? ????? ??????????
    ReADSL ???????? ????????? ??????? ??????????.
    ???????????, ??? ??????? ?????? ?? ???? ?????
    ????? ??? ?? 5??. ?? ????? ?????????? ????????
    ADSL ???????????? ??????, ? ReADSL ??????????
    ????????, ? ??? ? ???? ?? ??????? ????????????.

21
?????????? ADSL ??????????
22
?????????? ATM
  • Asynchronous Transfer Mode (ATM)
  • ??? ???????? ???????????? PDU ????????????? ?????
    53 ????? (5 ???? -?????????, 48 ????) ????????
    ????????
  • ????????? ?????????????? c ??????? ???????????
    ?????????? (VC, Virtual Connection). ? ????? ADSL
    ???????????? ?????????? ??????????? ??????????
    (PVC, Permanent Virtual Connections)

23
?????????? ??????????? ?????????? ATM
  • ?????? PVC ??????? ?? ???? ?????? ????????????
    ???? (Virtual Path, VP) ? ???????????? ??????
    (Virtual Channel, VC). ??????????? ????
    ?????????? ?????? ???? ????????? ???????????
    ???????
  • VPI (Virtual Path Identifier) ?????????????
    ???????????? ????
  • VCI (Virtual Channel Identifier) ?????????????
    ???????????? ??????
  • ????????? VPI, VCI ????????? ?????????? PVC
  • VPI, VCI ?????? ????? ?????????? ???????? ??
    ??????? DSLAM ? CPE
  • ???? ADSL ?????????? ????? ?????????? ?????????
    ????????????? PVC (? ??????????? D-Link ?? 8)

24
IP DSLAM D-Link
  • ??????? ????????????? ADSL ???????????? D-Link

25
?????? IP DSLAM?
  • ATM DSLAM
  • ????????????? ??????? ??????????
  • ?????????????? ATM ????????????? ???
    ????????????? ? ??????????? ? ???? ???????? ???
    ????? ???????.
  • ????????????????? ?? ?????????? ?????????
    ????????????????? ? ???????????? ? ????????
    ???????????? ????? ??????.
  • ??? ??????????? ??? ?????????? Multicast-????????
  • ??????????? ?????????? ????????? ?? ????? TCP/IP.
  • IP DSLAM
  • ????????????? ???????, ?????????? ???????
    ???????????, ??????????? ?????????? QoS ????????
    ???????? ??? ??????????, ?????????? ? ????????
    ???????.
  • ?????????? ?????????????????? ? ???????????
    ?????????????? ?????????? ??? ??????????? ??????.
  • ?????????? ?????????????.
  • Network Element Level Management ??? ????????????
    ??????????.
  • Multicast-?????????? ??? ??????????????
    ?????/????? ????????.

26
???????????? IP DSLAM
  • ?????? ?????????????? ??????? ??? ?????????
    ?????? ? ??????????
  • 802.1Q VLAN
  • Quality of Service (QoS)
  • ????????? ??????? ????????????
  • ?????????? ????????
  • ????????? multicast ????????
  • ?????????????? / ?????????? ???????? ????????/
    ??????????? (AAA)

27
????????????????
  • ???????????? ??????????? ? ????????? ? ATM DSLAM
  • ????????? ?????? ??????? ?? CPE ?? IP DSLAM,
    D-Link ???????? ??????????? ??????????? ???
    ????????????? ????? ??????????????? ??????? ?
    ?????????????? ?????????? ADSL/ADSL2/ADSL2.
  • ????????? ??????? ?????? Gigabit Uplink ?
    ????????? ?????? ? Multicast ????????, ??????? IP
    DSLAM ???????? D-Link ???????? ???????? ???
    ?????????????? ????? Triple Play.
  • C?????? ????????????????? ?????????? EMS ?
    ??????? ????????? ????????????????? ?????????????
    ??????? ? ??????? ?????? ?????????? ?????????????
    D-Link.
  • ???????? ?????????? ? ???????????? Ethernet ????.

28
ADSL ???? ?? ???? ATM
Internet
DSL-604
PSTN
???? ???????
29
ADSL ???? ?? ???? IP
DSLAM
IP Network
??????????
DSL-604
CO Splitter
Ethernet/IP ????
PSTN
???? ???????
30
??????? D-Link IP DSLAM
  • ??????????? ??????? ???????? D-Link ????????????
    ?????????? ???????? ????????????? ADSL
    ???????????? DAS-4192/4672 192/672 ????????
    ????????? IP DSLAM ? DAS-3216/3224/3248 rev.B
    (16, 24 ? 48 ?????? ??????????????).
  • ??? ???????????? ???????????? ADSL/ADSL2/ADSL2
    ?????????.

DAS-4672/4192
DAS-3216/3224/3248
31
??????????? ?????????????? DAS-4192
  • ???????? ?????????????? DAS-4192 IP DSLAM
  • ??????????????????
  • ?? 192 ADSL-????? (4 x 48) ?? ??????????.
  • 2 ????? mini-GBIC SFP ? ??????????? Ethernet ???
    ???????????? ????????? ??? ?????????????.
  • ?????? ??????????? ?? ???????? ?????? 1 ????/?
  • ?????????????????? ?????????????? ??????? 12
    ????/?
  • ????????? ??????? ?????? ???????? ???????, ???
    ????????? ??? ?????? ??? ????????? ?????? ??
    ??????? ?? ????????? ?????? ????? ??????????.
  • ????????? ???????? ????????.
  • ????????? PPPoE Intermediate Agent (PIA)
  • ????????? DHCP Relay Agent option 82 (DRA)
  • ????????? Multicast VLAN
  • ????????? IGMP Snooping/Proxy v1/v2/v3
  • ??????????????? ?????? ??????????? ??? ?????
    ????????? ??????????? ??? ????????????? ??????
    ?????????? ?????????????.
  • ????????? ????????? ADSL, ADSL2, ADSL2, ????????
    ????????? ???????? ?????? ? ????????.
  • ?????? ??????????. ????????? ?????????? ?????????
    ??????? DC.
  • ????????????? ? ???????????? CPE ? ?????????????
    ?????? ?????????????/???? ?????????
    ??????????????.

32
???????????? DAS-4192
?????????????? ?????????????? ??????????????
??????????? ??????????? ?????????? ??????????? ?????????? ????? SNMP SNMP v1, v2c. AMS - Advanced Management System LCT - Local Craft Terminal CLI ????? ?????????? ???? RS-232 ? Telnet ?????????? ? ?????????????? Management ?????????? ?????????? ? ?????????????? Management VLAN MIBs SNMP v1, v2c RFC 1213 MIB-II RFC 1493 Bridge MIB RFC 2233 IF-MIB RFC 2674 802.1Q MIB RFC 2662/RFC 3440 ADSL line MIB Enterprise AM0031 ?????????? ??????????? ?????????? ? ?????????? ????? ??????????? ??????? ?? 0 ?? 65 C ??????????????? ?????? ?? 0 ?? 65 C ???????? ?? -15 ?? 70 C ????????????? ????????? ?? 5 ?? 95, ??? ??????????? ?????????? ???????? ?????? ????????? 1 ???? ?????? ?????????? 4 ????? ???????? ??????? 2 ?????? ?????????? ??????? ???????????/??????????? ???? 1 ?????? ??????? ?????????? 1 ?????? Alarm I/O ?????? ?????? ?????????? TELCO-50 ?????????????? ??????? ????????? ? ??????????? CE VCCI Class A EN55022 Class A/CISPR 22 EN61000-4-5 ?????????? ? ????????? ?????????????? ??????? ??????????? ?????? ?????? ??????????? ?? ??????????? ???? 1 ????/? ?????? ??????????? ?????????????? ??????? 12 ????/? ??????????? ????????? xDSL 48 ?????? ADSL/ADSL2/ADSL2 48 ?????? SHDSL ??????????? ??????????? ?????????? ???????? (L1, L2, L3) ???????? Upstream ?????? ?? 32Kbit/s ?? 2,8Mbit/s (AnnexM) ???????? Downstream ?????? ?? 32Kbit/s ?? 28Mbit/s (AnnexA) ???????????? ?????????? ???????? ?? DSLAM ?? CPE 7?? (Reach-Extended ADSL) ??????? ????????? 2 mini-GBIC (SFP) 1000 Base-LX Long Distance with LC Type Single mode 1000 Base-LX Long Distance with LC Type Single mode 1000 Base-SX Short Distance LC Type Multi mode 1000 Base-LHX Long Distance LC Type Single mode 1000 Base-ZX Long Distance LC Type Single mode MANAGEMENT ????????? RJ-45 Ethernet (IEEE 802.3u 10/100 Base-T) RS-232 local console ????????? ATM ?? 8 PVC ?? ???? OAM loop back ?????????? ? ?????????????? ??????? ?????????? L2 ???????? ?? 16K MAC-??????? Ethernet CoS ???????? IEEE 802.1p RSTP (Rapid Spanning Tree Protocol) Link Aggregation IEEE 802.3ad ?????????, ????????? ? ??????? ???????? ????????? ANSI T1.413 ITU-T G.992.1, (G.dmt) AnnexA ITU-T G.992.2, (G.Lite) AnnexA ITU-T G.994.1, (G.hs) handshake protocol ITU-T G.992.3, (ADSL2) ITU-T G.992.3, AnnexM ITU-T G.992.3, AnnexL (Reach Extended xDSL) ITU-T G.992.5, (ADSL2) ITU-T G.991.2 (SHDSL) 2-wire ???????????? RFC 2684 ?????? bridged ? routed RFC 2516 PPPoE ?????????? ???????? ???????? ????????? ???????? ??????? ???????? ?? ???????? ?????? ??????????? ?????????? MAC-??????? ?? VC VLAN 4K ???????? VLAN VLAN Tagging pass-through ??????????????? VC-to-VLAN ? ??????? one-to-one ??? multiple to one Q-in-Q Multicast ????????? ???????????? 256 Multicast-????? (256 multicast MAC ???????) 192 ????? ?????? multicast ?????? IGMP Snooping ? IGMP Proxy ? ?????????? IGMP v.1, v.2, v.3 QoS ????????? ???????? ??????????? IEEE 802.1p Uplink ????????? 8 ???????? ????????? ?????????? 4 ??????? ????????? DiffServ (BF, AF1, AF2, AF3, AF4, EF) ????????????? ??????? ??????????? ?????? ??????????? ?? VC-?????? ?????????? ???????? ?????????? Ethertype ?????????? MAC-??????? ?????? ??????? PPPoE, DHCP ? Static IP ?? VC ????? DHCP relay ? ?????? 82 PPPoE intermediate agent
33
??????????? ?????????????? DAS-4672
  • ???????? ?????????????? DAS-4672 IP DSLAM
  • ??????????????????
  • ?? 672 ADSL-?????(14 x 48) ?? ??????????.
  • 2 ????? mini-GBIC SFP ? ??????????? Ethernet ???
    ???????????? ????????? ??? ?????????????.
  • ?????? ??????????? ?? ???????? ?????? 1 ????/?
  • ?????????????????? ?????????????? ??????? 28
    ????/?
  • ????????? ??????? ?????? ??? ???? ????? ???????,
    ??? ????????? ??? ?????? ??? ????????? ?????? ??
    ??????? ?? ????????? ?????? ????? ??????????.
  • ????????? ???????? ????????.
  • ????????? PPPoE Intermediate Agent (PIA)
  • ????????? DHCP Relay Agent option 82 (DRA)
  • ????????? Multicast VLAN
  • ????????? IGMP Snooping/Proxy v1/v2/v3
  • ??????????????? ?????? ??????????? ??? ?????
    ????????? ??????????? ??? ????????????? ??????
    ?????????? ?????????????.
  • ????????? ????????? ADSL, ADSL2, ADSL2, ????????
    ????????? ???????? ?????? ? ????????.
  • ?????????? ADSL ??????? ? ??????????? ??????? ?
    ????? ?????.
  • ?????? ??????????. ????????? ?????????? ?????????
    ??????? DC
  • ????????????? ? ???????????? CPE ? ?????????????
    ?????? ?????????????/???? ?????????
    ??????????????.

34
???????????? DAS-4672
?????????????? ?????????????? ??????????????
??????????? ??????????? ?????????? ??????????? ?????????? ????? SNMP SNMP v1, v2c. AMS - Advanced Management System LCT - Local Craft Terminal CLI ????? ?????????? ???? RS-232 ? Telnet ?????????? ? ?????????????? Management ?????????? ?????????? ? ?????????????? Management VLAN MIBs SNMP v1, v2c RFC 1213 MIB-II RFC 1493 Bridge MIB RFC 2233 IF-MIB RFC 2674 802.1Q MIB RFC 2662/RFC 3440 ADSL line MIB Enterprise AM0031 ?????????? ??????????? ?????????? ? ?????????? ????? ??????????? ??????? ?? 0 ?? 65 C ??????????????? ?????? ?? 0 ?? 65 C ???????? ?? -15 ?? 70 C ????????????? ????????? ?? 5 ?? 95, ??? ??????????? ?????????? ???????? ?????? ????????? 1 ???? ?????? ?????????? 4 ????? ???????? ??????? 2 ?????? ?????????? ??????? ???????????/??????????? ???? 1 ?????? ??????? ?????????? 1 ?????? Alarm I/O ?????? ?????? ?????????? TELCO-50 ?????????????? ??????? ????????? ? ??????????? CE VCCI Class A EN55022 Class A/CISPR 22 EN61000-4-5 ?????????? ? ????????? ?????????????? ??????? ??????????? ?????? ?????? ??????????? ?? ??????????? ???? 1 ????/? ?????? ??????????? ?????????????? ??????? 28 ????/? ??????????? ????????? xDSL 48 ?????? ADSL/ADSL2/ADSL2 48 ?????? SHDSL ??????????? ??????????? ?????????? ???????? (L1, L2, L3) ???????? Upstream ?????? ?? 32Kbit/s ?? 2,8Mbit/s (AnnexM) ???????? Downstream ?????? ?? 32Kbit/s ?? 28Mbit/s (AnnexA) ???????????? ?????????? ???????? ?? DSLAM ?? CPE 7?? (Reach-Extended ADSL) ??????? ????????? 2 mini-GBIC (SFP) 1000 Base-LX Long Distance with LC Type Single mode 1000 Base-LX Long Distance with LC Type Single mode 1000 Base-SX Short Distance LC Type Multi mode 1000 Base-LHX Long Distance LC Type Single mode 1000 Base-ZX Long Distance LC Type Single mode MANAGEMENT ????????? RJ-45 Ethernet (IEEE 802.3u 10/100 Base-T) RS-232 local console ????????? ATM ?? 8 PVC ?? ???? OAM loop back ?????????? ? ?????????????? ??????? ?????????? L2 ???????? ?? 16K MAC-??????? Ethernet CoS ???????? IEEE 802.1p RSTP (Rapid Spanning Tree Protocol) Link Aggregation IEEE 802.3ad ?????????, ????????? ? ??????? ???????? ????????? ANSI T1.413 ITU-T G.992.1, (G.dmt) AnnexA ITU-T G.992.2, (G.Lite) AnnexA ITU-T G.994.1, (G.hs) handshake protocol ITU-T G.992.3, (ADSL2) ITU-T G.992.3, AnnexM ITU-T G.992.3, AnnexL (Reach Extended xDSL) ITU-T G.992.5, (ADSL2) ITU-T G.991.2 (SHDSL) 2-wire ???????????? RFC 2684 ?????? bridged ? routed RFC 2516 PPPoE ?????????? ???????? ???????? ????????? ???????? ??????? ???????? ?? ???????? ?????? ??????????? ?????????? MAC-??????? ?? VC VLAN 4K ???????? VLAN VLAN Tagging pass-through ??????????????? VC-to-VLAN ? ??????? one-to-one ??? multiple to one Q-in-Q Multicast ????????? ???????????? 256 Multicast-????? (256 multicast MAC ???????) 672 ????? ?????? multicast ?????? IGMP Snooping ? IGMP Proxy ? ?????????? IGMP v.1, v.2, v.3 QoS ????????? ???????? ??????????? IEEE 802.1p Uplink ????????? 8 ???????? ????????? ?????????? 4 ??????? ????????? DiffServ (BF, AF1, AF2, AF3, AF4, EF) ????????????? ??????? ??????????? ?????? ??????????? ?? VC-?????? ?????????? ???????? ?????????? Ethertype ?????????? MAC-??????? ?????? ??????? PPPoE, DHCP ? Static IP ?? VC ????? DHCP relay ? ?????? 82 PPPoE intermediate agent
35
??????????? ??????????????
DAS-3216/3224/3248
  • ???????? ?????????????? DAS-3216 IP DSLAM
  • ??????????????????
  • 16/24/48 ADSL-????? ?? ??????????.
  • ?????????? ?????????
  • 2 ????? 10/100/1000 Ethernet ??? ????????????
    ????????? ??? ?????????????.
  • ??????????????? ?????? ??????????? ??? ?????
    ????????? ??????????? ??? ????????????? ??????
    ?????????? ?????????????.
  • ????????? ????????? ADSL, ADSL2, ADSL2, ????????
    ????????? ???????? ?????? ? ????????.
  • ????????? ???????? ????????.
  • ????????? PPPoE Intermediate Agent (PIA)
  • ????????? DHCP Relay Agent option 82 (DRA)
  • ????????? Multicast VLAN
  • ????????? Q-in-Q

36
???????????? DAS-3216
37
???????????? DAS-3224
38
???????????? DAS-3248
39
??????? ????????????????? SNMP ?????????? - AMS
AMS Advanced Management System AMS LCT AMS
Local Craft Terminal
  • ?????????? ? ?????????? ????? ? ???????? ????????
    ???????, ??????? ??????????? ? ??????????
    ??????????, ????????? ??????????? DSLAM.
  • ???????? ??????????. ??????? AMS ??????????? ???
    PC ? ??????????? ? ???? ???????????? ??????
    Microsoft Windows 98SE/ME/2000/XP, ? ?????
    Unix-???????? ??????.
  • ???????? ??????. ??????? AMS ????????????
    ????????????? ???????????? ??????????? ?????????.
  • ?????????????? ??????? ????????? ??????????????
    (Alarm), ???????????? ?? ???????????? ??????? ???
    ???????.

40
?????? AMS
??????? SNMP ??????????
??????
??????????????????
????????????
AMS
????????????
?????? ?????????
41
??????????? AMS
42
?????????? IP DSLAM ? ?????????????? AMS
???? ?????
AMS-??????
IP-DSLAM
AMS-??????
?????????? L2
????? ??????????
???? L2
?????????? L2
????????
?????????? L2
?????????????? ?????????????
?????????? L2
?????????? ? ?????????????? ?????????????????
VLAN
?????????? ??? ????????????? ?????????????????
VLAN
AMS LCT
?????????????? ????? ???????? ? ????????
43
?????????? IP DSLAM
????????? ???????????
????????
DAS-4672
????????
?????????? ????? (?? 10??) 1000Base-LX
?????.????? (?? 5??)
?????????? ?????? ???? (IP-??????????)
CPE
BRAS
1000Base-T
ISP
IAD
PSTN
100Base-Tx
???? ????? (CO)
?????. ????? (?? 5??)
DAS-4192
????????
????????
DAS-4192
?????. ????? (?? 5??)
?????
CPE
CPE
IAD
IAD
???????? ?????????
STB
TV
44
????????? TriplePlay
????????? ??????????? ??, ????,
???????????, ??????, ??????, ?????
IAD
IP-DSLAM
VoIP-????????? ?????????, ????,
Call-????????
Triple Play
IP - ????
?????
???????????
??????
45
????????? ?????? ???????????
46
?????????? ???????? ? ???????????? ????? DAS4
  • ?????????? ???????? ?? ?????? ?????? OSI
    (? ?????????????? VLAN)
  • QoS ? ?????????????? 802.1p ? DSCP (DiffServ)
  • ???????????? ??????? ??????????
  • ???????? ????????? ?? ??????? Ethernet
    ????????????

???????? ??????? ?? ?????? VC
  • PPPoE (Bridged)
  • DHCP (Bridged)
  • Static IP (Bridged)
  • Static IP (Routed)

47
??????????? OAM
IP-DSLAM
  • ??????(ATM)
  • ATM OAM F5 Loopback
  • ADSL DELT, SELT
  • ???? (IP)
  • IP Ping

48
QoS ? ????? ???????????? DAS4
???????? ADSL ??????
??????? ??????
ADSL2
ADSL2
????. 28 ????/?
ADSL2
1 ????/?
1 ????/?
Backplane / 28 Gbps
???????? ????????
ADSL2
???????? ??????????? ???????
?????????? L2
???????? ??????????? ??????? ? ???????????
????????
???????? ??????
????????? ???????????? ? ?????? ???????
???????? ??????????? ??????
??????
??????
????????
???????
???????
???????? ??????????? ??????
????????
?????????
?????
49
????????????? Upstream ???????
ADSL CPE
Layer 2 Network
High
BRAS
ADSL CPE
DAS4series IP-DSLAM
Time
tc
td
te
tb
ta
  • ATM ?????? ?? ??????? DSLAM ???????????? ?
    Ethernet ?????, ????? ???? Ethernet ??????
    ????????????? ???????? VLAN-ID ? 802.1p
  • ?? Uplink ?????????? Ethernet ?????
    ??????????????? ? ?????? ??????? ? ???????????? ?
    802.1p ? (??? ?????????????) ??????????
    ?????????????? DSCP ??? ????????????? ??????? ??
    ??????? ??????.

50
????????????? Downstream ???????
ADSL CPE
Layer 2 Network
BRAS
DAS4series IP-DSLAM
  • Ethernet ???? ?????????????? ? ATM ??????
  • ATM ?????? ?????????? ? ???? ?? 4 ????????????
    ???????? (??????????????? ??? ????????? PVC)
  • ATM ?????? ? ?????????????????? PVC ?????????? ?
    ????? ??????? ???????????.
  • CPE ?????????? ?????????? ATM ?????? ? Ethernet
    ?????

51
???????? ???????????? ? Triple Play ?????
VLAN(3)??????
IP PBX
????????
PC
CPE
?????-?????
VLAN(2)?????
IAD
??????? ????
?????????? IP-????
VLAN(1)?????
CPE
STB
Gigabit Uplink
DAS-4192IP DSLAM
TV
????? MDF
  • ? ??????????? ?? ?????????????? ? ????????? VLAN
    ? ??????????? ? ?????? ???????????, IP DSLAM
    ???????????? ????????? ??????? ???????????? ?
    ????????? ?????? ??????????? ??????? ???????? ???
    ????, ????? ??????????? ????????????? ???????????
    ??????????.

52
????????? IP Multicast
IGMPsnooping/proxy
1
2
3
4
5
9
8
7
6
10
1
2
3
4
5
9
8
7
6
10
BRAS
1
2
3
4
5
?????? ???? ????? ??????
9
8
7
6
10
53
IGMP MCAU ? ????? ???????????? DAS4
?????? ?? ???????? ? ?????? ? ????? ?????????
12-?? ??????????????
AMS
DSL ???? 1
Set-top Box
DSL???? 2
PVC 1
PVC 2
Set-top Box
?????????? L2
BRAS
54
???????? ? Multicast ????????? ?? IP DSLAM
????? ??????? ??????
STAR
HBO
Video Server
ESPN
  • ?? 800 ???????? ???????
  • ?? 60 ??????? ???????
  • ????? ??????? ???????? ?????? PVC
  • ?????????? multicast ???????
  • ?????????????? ? ?????????????? ????????
    multicast ???????

????? ???????
PVC
ATU-R
STB-2
STB-1
TV
TV
55
?????? ?????????? ???? ??????????????? ??????? ?
?????????????? IP DSLAM D-Link
56
ADSL CPE D-Link
  • ??????? ???????????? ADSL ???????????? D-Link

57
DSL-2500U/BRU/C
  • ????????? ADSL/ADSL2/ADSL2 ??????????
  • ????????? AnnexA, AnnexM, AnnexL (ReADSL)
  • ???? ???? 10/100 Fast Ethernet
  • ?????????? ????? ? SPI ? DoS protection
  • ?????????? ?? MAC ??????? ? ?????? Bridge
  • ?????????? ?? IP ???????
  • ????????? IGMP Proxy ??? routed ??????????
  • ????????? multiple IpSec/PPTP/L2TP pass-through
  • PPTP ??????
  • TR-069 ??????

58
DSL-2500U/BRU/CB
  • ????????? ADSL/ADSL2/ADSL2 ??????????
  • ????????? 8-?? ATM VC ??????????
  • ????????? AnnexB, AnnexM, AnnexL (ReADSL)
  • ???? ???? 10/100 Fast Ethernet
  • ?????????? ????? ? SPI ? DoS protection
  • ?????????? ?? MAC ??????? ? ?????? Bridge
  • ?????????? ?? IP ???????
  • ????????? IGMP Proxy ??? routed ??????????
  • ????????? multiple IpSec/PPTP/L2TP pass-through
  • PPTP ??????
  • TR-069 ??????

59
DSL-2520U/BRU/C
  • ????????? ADSL/ADSL2/ADSL2 ??????????
  • ????????? AnnexB, AnnexM, AnnexL (ReADSL)
  • ????????? 8-?? ATM VC ??????????
  • ???? ???? 10/100 Fast Ethernet
  • USB ???? ??? ??????????? ??????????
  • ?????????? ????? ? SPI ? DoS protection
  • ?????????? ?? MAC ??????? ? ?????? Bridge
  • ?????????? ?? IP ???????
  • ????????? IGMP Proxy ??? routed ??????????
  • ????????? multiple IpSec/PPTP/L2TP pass-through
  • ?????????? PortMapping ??? ???????? ????????
    ??????????? ???????? PVC ? LAN ????? ??????????.
  • PPTP ??????
  • TR-069 ??????
  • ???????? ??? ????????????? ? ????? TriplePlay ???
    ?????????????? ?????????? ????????

60
DSL-2540U/BRU/C
  • ????????? ADSL/ADSL2/ADSL2 ??????????
  • ????????? AnnexA, AnnexM, AnnexL (ReADSL)
  • ????????? 8-?? ATM VC ??????????
  • 4 ????? 10/100 Fast Ethernet
  • ?????????? ????? ? SPI ? DoS protection
  • ?????????? ?? MAC ??????? ? ?????? Bridge
  • ?????????? ?? IP ???????
  • ????????? IGMP Proxy ??? routed ??????????
  • ????????? multiple IpSec/PPTP/L2TP pass-through
  • PPTP ??????
  • ?????????? PortMapping ??? ???????? ????????
    ??????????? ???????? PVC ? LAN ????? ??????????
  • PPTP ??????
  • TR-069 ??????
  • ???????? ??? ????????????? ? ????? TriplePlay ???
    ?????????????? ?????????? ????????

61
DSL-2540U/BRU/CB
  • ????????? ADSL/ADSL2/ADSL2 ??????????
  • ????????? AnnexB, AnnexM, AnnexL (ReADSL)
  • ????????? 8-?? ATM VC ??????????
  • 4 ????? 10/100 Fast Ethernet
  • ?????????? ????? ? SPI ? DoS protection
  • ?????????? ?? MAC ??????? ? ?????? Bridge
  • ?????????? ?? IP ???????
  • ????????? IGMP Proxy ??? routed ??????????
  • ????????? multiple IpSec/PPTP/L2TP pass-through
  • PPTP ??????
  • ?????????? PortMapping ??? ???????? ????????
    ??????????? ???????? PVC ? LAN ????? ??????????
  • PPTP ??????
  • TR-069 ??????
  • ???????? ??? ????????????? ? ????? TriplePlay ???
    ?????????????? ?????????? ????????

62
DSL-2600U/BRU/C
  • ????????? ADSL/ADSL2/ADSL2 ??????????
  • ????????? AnnexA, AnnexM, AnnexL (ReADSL)
  • ????????? 8-?? ATM VC ??????????
  • ???? ???? 10/100 Fast Ethernet
  • Wireless ????????? ? ?????????? ????????? 802.11g
  • ?????????? ????? ? SPI ? DoS protection
  • ?????????? ?? MAC ??????? ? ?????? Bridge
  • ?????????? ?? IP ???????
  • ????????? IGMP Proxy ??? routed ??????????
  • ?????????? PortMapping ??? ???????? ????????
    ??????????? ???????? PVC ? LAN ????? ??????????
  • ????????? multiple IpSec/PPTP/L2TP pass-through
  • PPTP ??????
  • TR-069 ??????
  • ???????? ??? ????????????? ? ????? TriplePlay ???
    ?????????????? ?????????? ????????

63
DSL-2640U/BRU/C
  • ????????? ADSL/ADSL2/ADSL2 ??????????
  • ????????? AnnexA, AnnexM, AnnexL (ReADSL)
  • ????????? 8-?? ATM VC ??????????
  • 4 ????? 10/100 Fast Ethernet
  • Wireless ????????? ? ?????????? ????????? 802.11g
  • ?????????? ????? ? SPI ? DoS protection
  • ?????????? ?? MAC ??????? ? ?????? Bridge
  • ?????????? ?? IP ???????
  • ????????? IGMP Proxy ??? routed ??????????
  • ????????? multiple IpSec/PPTP/L2TP pass-through
  • PPTP ??????
  • ?????????? PortMapping ??? ???????? ????????
    ??????????? ???????? PVC ? LAN ????? ??????????
  • TR-069 ??????
  • ???????? ??? ????????????? ? ????? TriplePlay ???
    ?????????????? ?????????? ????????

64
DSL-2640U/BRU/CB
  • ????????? ADSL/ADSL2/ADSL2 ??????????
  • ????????? AnnexB, AnnexM, AnnexL (ReADSL)
  • ????????? 8-?? ATM VC ??????????
  • 4 ????? 10/100 Fast Ethernet
  • Wireless ????????? ? ?????????? ????????? 802.11g
  • ?????????? ????? ? SPI ? DoS protection
  • ?????????? ?? MAC ??????? ? ?????? Bridge
  • ?????????? ?? IP ???????
  • ????????? IGMP Proxy ??? routed ??????????
  • ????????? multiple IpSec/PPTP/L2TP pass-through
  • PPTP ??????
  • ?????????? PortMapping ??? ???????? ????????
    ??????????? ???????? PVC ? LAN ????? ??????????
  • TR-069 ??????
  • ???????? ??? ????????????? ? ????? TriplePlay ???
    ?????????????? ?????????? ????????

65
DSL-2740U
  • ????????? ADSL/ADSL2/ADSL2 ??????????
  • ????????? AnnexB, AnnexM, AnnexL (ReADSL)
  • ????????? 16-?? ATM VC ??????????
  • 4 ????? 10/100 Fast Ethernet
  • Wireless ????????? ? ?????????? ??????????
    802.11n
  • ?????????? ????? ? SPI ? DoS protection
  • ?????????? ?? MAC ??????? ? ?????? Bridge
  • ?????????? ?? IP ???????
  • ????????? IGMP Proxy ??? routed ??????????
  • ????????? multiple IpSec/PPTP/L2TP pass-through
  • PPTP ??????
  • ?????????? PortMapping ??? ???????? ????????
    ??????????? ???????? PVC ? LAN ????? ??????????
  • TR-069 ??????
  • ???????? ??? ????????????? ? ????? TriplePlay ???
    ?????????????? ?????????? ????????

66
DSL-2650U
  • ????????? ADSL/ADSL2/ADSL2 ??????????
  • ????????? AnnexA, AnnexM, AnnexL (ReADSL)
  • ????????? 8-?? ATM VC ??????????
  • 4 ????? 10/100 Fast Ethernet
  • Wireless ????????? ? ?????????? ????????? 802.11g
  • 2 ????? USB ??? ??????????? USB
    ??????????/????????
  • ????????? ????????? SMB
  • ?????????? ????? ? SPI ? DoS protection
  • ?????????? ?? MAC ??????? ? ?????? Bridge
  • ?????????? ?? IP ???????
  • ????????? IGMP Proxy ??? routed ??????????
  • ????????? multiple IpSec/PPTP/L2TP pass-through
  • PPTP ??????
  • ?????????? PortMapping ??? ???????? ????????
    ??????????? ???????? PVC ? LAN ????? ??????????
  • TR-069 ??????
  • ???????? ??? ????????????? ? ????? TriplePlay ???
    ?????????????? ?????????? ????????

67
DVA-G3672B
  • ????????? ADSL/ADSL2/ADSL2 ??????????
  • ????????? AnnexA, AnnexM, AnnexL (ReADSL)
  • ????????? 8-?? ATM VC ??????????
  • 4 ????? 10/100 Fast Ethernet
  • Wireless ????????? ? ?????????? ????????? 802.11g
  • 1 ???? USB ??? ??????????? ????????
  • 2 FXS ?????, 1 ???? FXO
  • ?????????? SIP ??????
  • ?????????? ????? ? SPI ? DoS protection
  • ?????????? ?? MAC ??????? ? ?????? Bridge
  • ?????????? ?? IP ???????
  • ????????? IGMP Proxy ??? routed ??????????
  • ????????? multiple IpSec/PPTP/L2TP pass-through
  • PPTP ??????
  • ?????????? PortMapping ??? ???????? ????????
    ??????????? ???????? PVC ? LAN ????? ??????????.
  • TR-069 ??????
  • ???????? ??? ????????????? ? ????? TriplePlay ???
    ?????????????? ?????????? ????????

68
???????!
Write a Comment
User Comments (0)
About PowerShow.com