Fast Reroute for Triple Play Networks - APRICOT PDF
Preview Fast Reroute for Triple Play Networks - APRICOT
Building Smart Broadband NetworksTM Fast Reroute for Triple Play Networks Sachin Natu Product Management March 2006 IPTV Service Requirements IPTV Network Design Fast Reroute / Convergence Solutions - MPLS FRR - IGP Fast Convergence - NextHop FRR 2 IPTV catching on 1600 1400 1200 1000 IPTV Asia Pac subscribers 800 Americas ('000s) Europe 600 400 200 Worldwide, eight IPTV providers have 0 50,000 or more subscribers Q4 2004 Q2 2005 IPTV subscribers grew 40% 500 in first-half 2005 to 1.47 million 400 IPTV 300 subscribers at mid-2005 ('000s) 200 100 0 PCC W FastFWreebe (FrFraanncce)e TeleCchoinma Teleco mTelefonicaChunghwa Q west Source: Point Topic BroadBand User Service 3 IPTV High Availability Requirements Step 6 In Service SW Upgrade Step 5 Session Level Reliability Step 4 Routing Protocol Reliability Step 3 Modular Software Step 2 Separation of Forward & Control Step 1 Hardware Redundancy 4 Protection Needs (cid:131) Mission critical applications (cid:131) Delay sensitive services such as VoIP, high quality video, Pseudo Wire services (cid:131) L3VPN, L2VPN, VPLS networks mainly use IP and LDP (cid:131) Goal is to minimize packet loss when network elements fail 5 IPTV Service Requirements IPTV Network Design Fast Reroute / Convergence Solutions - MPLS FRR - IGP Fast Convergence - NextHop FRR 6 IPTV Broadband Architecture NSP Network NSP-1 PPPoE or IP for current & new serivices IP, ATM or Ethernet NSP-2 BNG AN PC ATM, Ethernet RG TV Set-Top IP IPoE, Multicast streaming STB IPoE, IGMP control traffic IPTV Network * Multicast streaming IGMP control traffic IGMP Control RG Coordinate subscriber MC PC PPPoE, Unicast BNG traffic with subscriber information via MAC address PPPoE, or via the PPPoE session. IGMP Proxy Subscriber sessions IGMP Termination IPoE, Multicast streaming IGMP control traffic AN PPPoE, Unicast IGMP Snooping 7 IPTV Network Architecture PC RG TV Data Network Set-Top Internet PC RG NSP-2 TV Set-Top IP PC RG TV Set-Top IPTV Network PC RG TV DSLAM Service Node Set-Top 8 IPTV Network Ring Design IP, MPLS Backbone 2 1 3 4 Separate OSPF area 6 Fast IGP convergence 5 BFD as link failure detection 8 7 10 9 11 12 9 IPTV Service Requirements IPTV Network Design Fast Reroute / Convergence Solutions - MPLS FRR - IGP Fast Convergence - NextHop FRR 10
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