Sistemas de Comunicaçã ção Multimidia - DSLAM Universidade Santa Cecília Prof. Hugo Santana Lima UNISANTA 1 System Architecture SW I I G G U U LTU Access Subrack PC Remote TEL Card ADSL Line SW Subrack 2
DSLAM Solution Video Service Provider Corporate Network Director Management System / SHDSL LAN SOHO - Broadband -Data Service ISP VDSL ADSL Home - Broadband Service -Fast Internet - Video Business - Broadband -Data - Video LAN ADSL Lite Home - Fast Internet 3 Video, Data and Voice Dslam Access for Video Distribution DVB SPI, 34Mbit/s SHDSL Video Service Provider E3/DS3 STM-1/OC-3c STM-4/OC-12c ISP / Dslam Access Multiplexer VDSL Director Management System EPG Server CA Server ADSL 4
Dslam Platform - Path to Profitable Business The Dslam was designed from the beginning as a multi-services platform with support for : TDM, Packet and Cell based traffic Data, Video and Telephony services support Fully managed services DSL based bundled services Access Multiplexer Current and future planned services support includes: based services (Internet, multicast, Real time services, Voice over, MPEG over, etc.) based services (Voice over, multicast, Multi-Protocol over, PPP over, MPEG over ) 5 Dslam Platform - Path to Profitable Business SET TOP BOX to V The Dslam interoperates with a range of manufactures products. Modem Can support high quality Video Services, and it can offers various capabilities from basic PayTV to full interactive services. CPE Customer Premises Equipment Equipamento Local do Usuário 6
ADSL CPE Overview ATUR- exemple Routing functions NAT DHCP Interface 10BaseT Compliant with G992.1, G992.2 and T1.413 traffic is encapsulated via RFC1483 Implementation of over PPP over (future release) VPC: not supported Up to 8 VCCs UBR only FROM: 1MB, RAM 8MB ATUR-exemple Bridging Functions NAT Interfaces 10BaseT, USB and 25 7 DSLAM Features Supports Multiple DSL Technologies in One Platform VDSL, ADSL(G.dmt & G.lite) and SDSL/SHDSL Multiple Video Capability Video Broadcasting, PPV, NVoD and VoD in addition to high speed Internet service Scalability Up to 960 DSL lines per core network interface Interoperability Interoperable with a wide variety of third party CPEs Wide Variety of CPE Interfaces 25, 10Base-T, USB Maximum 16,348 PVCs per Core Network Interface Integrated NMS and SMS 8
Connections to ISP: L2TP approach ISP 1 ISP 2 ISP 3 Link 1 Link 2 Link 3 Router Carrier Network DSLAM John ISP1 Bob ISP2 Jane ISP1 Alice ISP3 PPP L2TP PPP PPP L2TP UDP /sec L2TP UDP /sec 9 Connections to ISP: VLAN ISP 1 ISP 2 Link 1 Link 2 VLAN trunk port IEEE 802.1Q DSLAM John ISP1 Bob ISP2 ISP 3 Link 3 Multiservice Switch Carrier Network Jane ISP1 Alice ISP3 802.1Q 802.1Q 10
BAS Architecture BAS - Broadband Access Service ISP 1 ISP 2 ISP 3 Link 1 Link 2 Link 3 Multiservice Router BAS VC-1 VC-2 VC-3 VC-4 STM-1/OC-3c DSLAM VC-1 VC-2 VC-3 VC-4 John ISP1 Bob ISP2 Jane ISP1 Alice ISP3 802.3 11 Network Evolution SG CA Signaling Call Agent GK Gate Keeper I S P n x 2MB Media Phone Internet Next Generation Media Media Voice GK V G.shdsl ADSL 12