Off-the-shelf IP Switches in the Hybrid IP/SDI Broadcast Facility. Tim Claman CTO, Quantel & Snell
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1 Off-the-shelf IP Switches in the Hybrid IP/SDI Broadcast Facility Tim Claman CTO, Quantel & Snell
2 IP Signal Routing: Potential Benefits Increased Operational Flexibility Format agnostic, adaptable infrastructure can be readily reconfigured Integration with file-based, cloud-based, and IP distribution infrastructure Lower Cost Common Off The Shelf (COTS) hardware can provide cost economies of scale Extensive ecosystem of tools, developers, talent Faster Innovation Driven by massive IT Industry R&D investment (~30X broadcast infrastructure)
3 IP Signal Routing: Questions 1. Will it be cost effective? Will broadcast-specific IP switches be necessary? 2. Will it be practical? Can it provide functional parity with SDI? Can it be made interoperable? Can it be made transparent to broadcast operations? 3. When will it be feasible? What will the transition to IP look like?
4 SDI Router Router defined by physical ports One signal per port Ports are statically directional Router cost scales with ports Router is central point of control Router is aware of video and audio payload Router can perform signal processing All sources are synchronized in the core Clean switching throughout
5 IP Router Router defined by bandwidth Multiple signals per port Ports are bi-directional Router cost scales with bandwidth Router control is distributed Router is unaware of video and audio payload Signal processing is performed at the edge Synchronization is recovered at the edge Clean switching is performed at the edge when needed
6 Routing Costs: IP versus SDI Costs for traditional SDI routing Units SDI 96-port router with 3G, HD-SDI ports 28,000 USD Total signal bandwidth = 96 ports * 3Gbps 288 Gbps Cost per Gbps $97 USD/Gbps Total cost per signal $292 USD Costs for IP Routing Solution Units IP switch (48 ports + 10G SFPS) 40,000 USD Total signal bandwidth = 48 ports * 10Gbps 480 Gbps Ports are bi-directional 960 Gbps Derate to 75% utilization 720 Gbps Cost per Gbps $56 USD/Gbps
7 Routing Costs: Compressed or Uncompressed Compression Comparisons Uncompressed VC-2 AVC-I or JPEG2K Bitrate for high quality HD 1.5Gbps 500 Mbps 200Mbps Number of signals per derated 48-port Cisco Cost of routing fabric per signal (USD) Cost of edge processing (USD) Cost of edge device I/O port per signal (USD) Total cost per signal $158 $78 $271 Edge devices dominate the IP cost model Light compression (VC-2) provides biggest bang for the buck
8 CODEC Comparison h.264/avc h.264/avc-i JPEG 2K SMPTE VC-2 Quality Medium High High V High Cost/Complexity Recode Iterations Latency High Lines-Frame Lines-Frame Lines-Frame Data Rate (HD) 50 Mbps 200 Mbps 200 Mbps 500 Mbps Licensing Royalties Royalties Royalty Free Royalty Free
9 Unicast
10 Multicast
11 Source-Specific Multicast Allows fast routing across distributed routers Multi-matrix operation via multicast groups Snell Protocol for source and destination interrogation and clean switching AVC-I VC-2 AES Studio Multicast group 1 Multicast group 2 Multicast group 3 Multicast group 4
12 IP Core with Hybrid Edge Devices
13 NAB Proof of Concept Sources IP Native SDI to IP Converter SDI to IP Encoder Switcher (SDI/IP) IP Channel-in-a-box Multi-Vendor Signal Processors Hybrid SDI/IP IP Native on COTS HW Standard IP Switch Destinations IP Native IP Multi-viewer IP to SDI Converter IP Decoder Multi-Vendor Broadcast Router Control Open Standard, Software, Hardware
14 NAB Proof of Concept Snell IP Channel-in-a-Box Snell Hybrid SI/IP Processor Snell IP Stream Processer Format Converter Snell IP Multi-viewer Artel SDI to IP Converter Snell IP Decoder Snell Hybrid SDI/IP Production Switcher Cisco Nexus 3524 Switch Cisco DCM 9901 Encoder Open Router Control System Cisco DCM 9901 Decoder SMPTE uncompressed RFC3497 CoP4 uncompressed RFC4175 uncompressed RTP VC-2, AVC-I compressed RFC3190 PCM audio
15 Routing Functionality Traditional Broadcast Routing Video routing Audio routing ASI routing Data routing RS232 Multi Matrix support Multi Level support Associations Tie Line support Traditional router control panels IP Broadcast Routing Video routing Audio routing ASI routing Data routing as required Multi Matrix support Multi Level support Associations Tie Line support Traditional router control panels
16 Future IP Media Production Live IP feeds IP/MPLS Routing Core Studios Studio-to-Studio Data center-based media-processing Media Asset Management Automation & Control Exception-based reporting Virtualized Playout
17 IP Signal Routing: Answers 1. Will it be cost effective? Yes. IP can cost less per stream than SDI. Will broadcast-specific IP switches be necessary? No. 2. Will it be practical? Yes. IP will provide more flexibility than SDI. Can it provide functional parity with SDI? Yes. Can it be made interoperable? Yes. Can it be made transparent to broadcast operations? Yes. 3. When will it be feasible? The transition has already begun. What will the transition to IP look like? Hybrid SDI/IP first. All-IP second.
18 Thank You! Tim Claman CTO, Snell & Quantel
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