Cisco IP Fabric Media Solution For Sony IP Live Live Production System
Cisco IP Fabric Media Solution for Sony IPLive Live Production SystemLast Updated: November 5, 2020
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Table of ContentsExecutive Summary . 4Cisco Solution for IP Fabric for Media with Sony IP Live Production System . 5Introduction . 5Audience . 5Purpose of the Document . 5Problem Statement . 5Solution Summary . 5Technology Overview . 7Components . 7Cisco IP Fabric for Media . 7Cisco Nexus 9000 Series Switches . 7Cisco Data Center Network Manager (DCNM) . 7Sony IP Live System Manager (LSM) . 8Solution Design . 12Designing the IP Fabric for Media . 12Flow Orchestration with Sony LSM and Cisco IPFM . 14Case Study: All IP Studio Deployment with Cisco and Sony . 14Solution Validation . 16Multicast Replication Performance Test . 16Delay Under Xpt Changes . 16Failure Tests . 16Reference Architecture . 20Physical Topology . 20OSPF Topology. 21PTP Topology . 22DCNM Topology . 23Multicast Performance Topology. 24Conclusion . 25
Executive SummaryCisco Validated Designs (CVDs) are the foundation of systems design and the centerpiece of facilitatingcomplex customer deployments. The validated designs incorporate products and technologies into a broadportfolio of Enterprise, Service Provider, and Commercial systems that are designed, tested, and fullydocumented to help ensure faster, reliable, consistent, and more predictable customer deployments.Sony Imaging Products and Solutions Inc. (Sony) and Cisco announced a new global collaboration to createIP networking technologies for 4K/HD live production applications in the broadcast, media, andentertainment industries. The agreement between the two companies gives customers worldwide expandedrange of flexible, proven, and reliable IP systems.
Cisco Solution for IP Fabric for Media with Sony IP Live ProductionSystemIntroductionThere is a massive transition underway in the Media and Entertainment industry, where the broadcastfacilities are moving from the legacy SDI infrastructure to a flexible IP infrastructure for all studio and remoteproductions. Cisco IP Fabric for Media, in partnership with Sony Imaging Products and Solutions Inc.(Sony)provides an end-to-end solution to enable this transition.Sony and Cisco announced a new global collaboration to create IP networking technologies for 4K/HD liveproduction applications in the broadcast, media, and entertainment industries. The agreement between thetwo companies gives customers worldwide an expanded range of flexible, proven, and reliable IP systems.Sony is a leading manufacturer of live production systems offering 4K/HD system cameras, productionswitches, and servers. In recent years, Sony has fully supported the IP transition, delivering 4K/HD studiosystems, OB trucks, and remote production solutions for the broadcast live production market. In addition,Sony has led industry efforts for AV over IP standardization, working with JT-NM, SMPTE, VSF, AMWA, andAIMS.Cisco is a leader in flexible and reliable IP networking and has developed Cisco IPFM solution, including theNexus 9000 series switches and Data Center Network Manager (DCNM) for the media and entertainmentmarkets.AudienceThe audience for this document includes, but is not limited to; broadcast operators, sales engineers, fieldconsultants, professional services that are designing an IP infrastructure for production.Purpose of the DocumentThis document consists of systems and solutions that are designed, tested, and documented to facilitate andimprove customer deployments. These designs incorporate wide range of technologies and products into aportfolio of solutions that are developed to address the business needs of our customers.Problem StatementWith the LIVE production moving to IP, there is a requirement for an IP infrastructure that can provide areliable, nonblocking, scalable, and secure fabric that can deliver SMTPE ST 2110 uncompressed streamsfrom the sources to the destinations. There must be little or no change to the end operator workflow as theytransition their infrastructure from SDI to IP.Solution SummaryThe Non-blocking Multicast process on Cisco NX-OS adds bandwidth awareness to the PIM. This providesan IP fabric which is reliable and adds the ability to authorize endpoints and flows. Sony, with its Sony IP LiveSystem Manager (LSM) controller can control sources and destinations (endpoints). The operator routes allsignals using the control panel which communicates with the LSM. LSM in turn, instructs the destination to
join or subscribe to the new source using IGMP. The network, leveraging Cisco Non-blocking Multicast(NBM), sets up a nonblocking path from the source to the destination.
Technology OverviewThis section provides a brief introduction of the various hardware and software components that are used inthis solution.ComponentsThe following components are required to deploy this solution: Cisco IP Fabric for Media Cisco Nexus 9000 Cisco Data Center Network Manager Sony IP Live System ManagerCisco IP Fabric for MediaThe Cisco IP Fabric for Media (IPFM) solution consists of a flexible spine and leaf architecture or a singlemodular switch topology. The solution uses Cisco Nexus 9000 Series switches with the Cisco Non-blockingMulticast (NBM) algorithm (an intelligent traffic management algorithm) and the Cisco Data Center NetworkManager (DCNM) Media Controller. The Cisco DCNM Media Controller can integrate with various broadcastcontrollers using open APIs. The solution provides a highly reliable (zero drop multicast), highly visible, highlysecure, and highly available network.Cisco Nexus 9000 Series SwitchesCisco Nexus 9000 Series switches deliver proven high performance and density, low latency, andexceptional power efficiency in range of form factors. The series also performs line-rate multicast replicationwith minimal jitter. Each switch can operate as a Precision Time Protocol (PTP) boundary clock and cansupport the SMPTE ST 2110 and AES67 profiles.Cisco Data Center Network Manager (DCNM)Cisco NBM provides multicast transport and security with host and flow policies. Cisco DCNM works withCisco NBM to provide visibility and analytics of all the flows in the fabric. Cisco DCNM can also be used toprovision the fabric, including configuring the IGP (OSPF), PIM, and MSDP using Cisco IPFM templates andpower-on auto-provisioning (POAP). Cisco DCNM can further be used to manage host and flow policies andASM range, unicast bandwidth reservation, and external link for multi-site.Cisco DCNM uses NX-API to push policies and configurations to the switch, while the Cisco NBM processuses the NX-OS streaming telemetry to stream state information to Cisco DCNM (Figure 1). Cisco DCNMcollects information from individual switches in the fabric, collates them, and presents how flows traverseacross the fabric. The configuration in Figure 2 shows the required configuration on the switch to enabletelemetry.To summarize, Cisco DCNM can help with: Fabric configuration using POAP to help automate configuration Topology and host discovery to dynamically discover the topology and host connectivity
Flow and host policy manager End-to-end flow visualization with flow statistics The API gateway for the broadcast controller Network health monitoringDCNM and NBM InteractionFigure 1: Cisco DCNM and the Cisco NBM ProcessFigure 2: Cisco DCNM Discovering Topology and EndpointsSony IP Live System Manager (LSM)The PWS-110NM1 IP Live System Manager Station comes with the IP Live System Manager (LSM)software that allows you to set up, control, and reconfigure an IP live production system. The LSM
software provides a variety of functionalities in IP systems as broadcast controller such as router operation, source name management and tally signal management, that is similar to the video routers.Control buttons and its layout can be flexibly configured as per the discretion of the user. It is alsocompliant to the AMWA NMOS specs such as IS-04 and IS-05 for multi-vendor device managementand control.Features include: An IP-based A/V routing application: this software aggregates device configuration and generates avirtual A/V router which can be controlled by users on the systemA configuration management tool for all devices connected to the system: use this to quickly reconfigure the production system for different production scenarios or for customized configuration of individual devicesA tally/alias name management tool for all UMDs and tally indicators connected to the system: use thisto support tally system including multiple production switcher (i.e. XVS) as tally masterA network management tool: this ensures IP video transmission with broadcasting quality, using QoStechnologyA fully featured application which includes interoperability, security, redundancy, and maintenancefunctionality1Figure 3: PWS-110NM1 with JT-NMFor more details on the JT-NM Tested program in March 2020 and test results, please go to https://jtnm.org/jt-nm tested.1
Figure 4: Sony IP Live System Manager (LSM) Graphical User InterfaceFigure 5: PWS-110NM1 Matrix Graphical User Interface
Figure 6: PWS-110NM1 Topology Graphical User Interface
Solution DesignThis section provides an overview of the design factors that are to be considered in order to make thesystem work as a single, highly available network.Designing the IP Fabric for MediaThere are multiple design options available to deploy an IP Fabric for Media based on the use case. A flexible and scalable Layer 3 spine and leaf - provides a flexible and scalable architecture that issuitable for studio deployments (Figures 4 and 6). A single switch with all endpoints connected to this switch provides the simplicity that is needed inan outside broadcasting TV van (OBVAN) and small studio deployment (Figure 5).Figure 7: Spine and leaf with endpoints connected to the leaf
Figure 8: Single switch with endpoints connected to the switchFigure 9: Spine and leaf with endpoints connected to both spine and leaf
Flow Orchestration with Sony LSM and Cisco IPFMWhile Sony LSM controls the endpoints, Cisco NBM manages the flow orchestration in the fabric. When anoperator routes a source to a destination, the control panel communicates with Sony LSM requesting for theflow. Sony LSM instructs the destination to join the new source and the destination signals this flow bysending an IGMP to join to the network. Cisco NBM then creates an optimal path from the source to thedestination.Figure 10: Flow Orchestration with Sony LSM and Cisco IPFMCase Study: All IP Studio Deployment with Cisco and SonyCisco and Sony partnered together to build one of the largest deployments of an all IP studio for a majorbroadcaster.es all customers the flexibility to distribute routing across theentire room with a simpler cable management.Sony provides the Sony IP Live System Manager (LSM) for the broadcast control. The studio has HDC Seriesstudio cameras which are paired with the latest generation HDCU-3100 IP enabled Camera Control Units.The control rooms have XVS-7000 series multiformat video switches.
Figure 11: High-Level Topology DesignDepicting one portion of the NetworkAdopting an open IP approach at the facility allows the customer to route HDR-capable HD video and audio,while synchronizing and controlling data in real time over Cisco IP Fabric for Media. This solution leveragesthe SMPTE ST 2110 suite of standards for the professional media interchange. This allows seamlessintegration between the best-of-breed components and solutions from Sony and other hardware andsoftware vendors.Time synchronization is another important factor to consider when designing an IP Fabric. Cisco switches areconfigured to work in the PTP boundary clock providing timing to Sony and other endpoints that areconnected to the fabric using the SMPTE ST 2059-2 PTP profile.In order to ensure that there is no impact to production in case of failures such as link failure, and so on,redundant network is in place with all endpoints that are configured to operate in SMPTE ST 2022-7 mode.The IP infrastructure can operate from 10G to 100 Gbps. This makes the investment future proof. It providesthe customer the ability to transition to higher definitions like 4K and 8K without replacing the infrastructure.It also enables the customer to reuse the fabric for file-based workflows and other media workflows likeediting, graphics, and so on.
Solution ValidationThis section provides a high-level summary of the validation that is done for this CVD.Multicast Replication Performance Test1. Background traffic Imposed 150 multicast routes and traffic that went through the fabric duringboth, the performance and the failure tests.2. Performance testcases:Tested the following two patterns. These did not result in traffic loss with boss Replication of three multicast flows into 48 downlinks on Cisco Nexus 93180YC-FX switches Replication of 24 multicast flows into 48 downlinks on Cisco Nexus 93180YC-FX switchesDelay Under Xpt ChangesTable 1: PerformanceCisco NexusConfigurationwithout 2stage flowsetupCisco NexusConfigurationwith 2 stageflow setupDelay Under Xpt ChangesOperationReceiverNXLK-IP50Y RX1 under N9336-Leaf NXLK-IP50Y RX2 under N93180Xpt change withinXpt changeXpt changeXpt changethe same switchacross the fab- within theacross the fabricsame switchricAVE (msec)MAX (msec)MIN (msec)OperationBenchmarkBenchmarkBenchmarkXpt change withinthe same switchBenchmarkBenchmarkBenchmarkXpt changeacross the fabricBenchmarkBenchmarkBenchmarkXpt changewithin thesame switchBenchmarkBenchmarkBenchmarkXpt changeacross the fabricAVE (msec)MAX (msec)MIN sterFasterFasterFasterFasterFailure TestsTable 2: Failure TestTest CaseRemoving the power cable of N93180 (Leaf)Result Flows which went through only N9336-Leaf were notaffected.Other all flows which went through N93180 wereblocked.
Test CaseResultInserting the power cable of N93180 (Leaf)Once Cisco Nexus received IGMP join of affected flows,all those flows were provisioned again without trafficdrop.Removing the power cable of N9336 (Spine1) Flows which went through only N9336-Leaf or onlyN93180 were not affected.Other all flows which went through Spine1 weredropped for a moment and converged throughSpine2 again after that.Inserting the power cable of N9336 (Spine1)All flows were not affected. There was no convergence ofexisting flows.Removing the power cable of N9336 (Spine1) Removing the power cable of N9336 (Spine2) Flows which went through only N9336-Leaf or onlyN93180 were NOT affected.Other all flows which went through Spine1 weredropped for a moment and converged throughSpine2 again after that.Flows which went through only N9336-Leaf or onlyN93180 were NOT affected.Other all flows were stopped.Inserting the power cable of N9336 (Spine2)Once Nexus received IGMP Join of affected flows, allthose flows were converged through Spine2 againwithout traffic drop.Inserting the power cable of N9336 (Spine1)All flows were not affected. There was no reprovisioningof existing flows.Removing the cable of E1/49 (on N93180) Removing the cable of E1/50 (on N93180) Some of the flows which went through E1/49 weredropped for a moment.They were re-provisioned through other uplinks.Some of the flows which went through E1/50 weredropped for a moment.They were re-provisioned through other uplinks.Removing the cable of E1/51 (on N93180)Other flows were dropped for a moment andreprovisioned through E1/54Removing the cable of E1/52 (on N93180) Removing the cable of E1/53 (on N93180) Some of the flows which went through E1/52 weredropped for a moment.They were re-provisioned through other uplinks.Some of the flows which went through E1/53 weredropped for a moment.They were reprovisioned through other uplinks.Removing the cable of E1/54 (on N93180)All the rest flows were stopped.2 3 1. Shut down DCNM Server 2 3 2. Power on DCNM Server There was no impact on multicast flows from NXLKIP50Y.There was no impact on unicast flows between
Test CaseResult2 4 1 2-4- OSPF ProcessMulticast flows from both IXIA and NXLK-IP50Y weredropped for a moment after OSPF process was cleared.Table 2: Failure TestFailure;First, main GMLinkSecond, subGM LinkFailure;First, sub GMLinkSecond, mainGM LinkRecovery;First, main GMLinkSecond, subGM LinkRecovery;First, sub GMLinkSecond, mainGM LinkFailure;First, main GMSecond, subGMFailure;First, sub GMSecond, mainGMRecovery;First, main GMSecond, subGMNXLK-IP50Y and LSM.There was no impact on unicast and multicast flowsfrom IXIA.There was no impact on other features, such as PTPand OSPF basically.- Grand Master Link to Nexus 9348 Series SwitchFailure ofmain GMLinkFailure ofsub GM LinkFailure ofsub GM LinkFailure ofmain GMLinkRecovery ofmain GMLinkRecovery ofsub GM LinkRecovery ofsub GM LinkRecovery ofmain GMLinkFailure ofmain GMFailure ofsub GMFailure ofmain GMFailure ofsub GMRecovery ofmain GMLocked toGPSRecovery ofsub GMNXLK-IP50YImage(10 secondsvisual observation)No ImpactLSM LogIXIA TrafficChangeXptNexus LogGM Change(Main- Sub)No LossOKGM Change(Main- Sub)No ImpactGM Change(Sub- N9348)No Log- No ImpactGM Change(Main- N9348)No LossOKNo LossOKNo LossOKGM Change(Sub- N9348)PTP status change(Master - Disabled)GM Change(Main- N9348)No ImpactGM Change(9348- Main)No LossOKGM Change(9348- Main)No ImpactNo Log- No ImpactGM Change(9348- Sub)GM Change(Sub- Main)No LossOKNo LossOKNo LossOKPTP status change(Disabled - Master)GM Change(9348- Sub)GM Change(Sub- Main)GM Change(Main- Sub)GM Change(Sub- N9348)GM Change(Main- N9348)No Log- No ImpactGM Change(9348- Main)No LossOkNo LossOKNo LossOKNo LossOKNo LossOkOut of Syncfor a momentNo Log- No ImpactNo LossOKHigh offsetNo LossOKPTP status change(Disabled - Master)No ImpactNo ImpactNo ImpactNo ImpactNo ImpactNo ImpactNo ImpactNo ImpactDistortedDistortedNo ImpactGM Change(Main- Sub)GM Change(Sub- N9348)GM Change(Main- N9348)PTP status change(Master - Disabled)GM Change(9348- Main)
Recovery;First, sub GMSecond, mainGMLocked toGPSRecovery ofsub GMNXLK-IP50YImage(10 secondsvisual observation)No ImpactNo ImpactLocked toGPSRecovery ofmain GMDistortedLocked toGPSDistortedDistortedLSM LogIXIA TrafficChangeXptNexus LogNo Log- No ImpactOut of SyncGM Change(9348- Sub)No LogNo LossOKNo GM changeNo LossOKGM Change(9348- Sub)No LossOKHigh OffsetOut of SyncGM Change(Sub- Main)--No LossOKGM Change(Sub- Main)No LossOKHigh Offset
Reference ArchitecturePhysical TopologyFigure 12: Physical Topology
OSPF TopologyFigure 13: OSPF Topology
PTP TopologyFigure 14: PTP Topology
DCNM TopologyFigure 15: DCNM Topology
Multicast Performance TopologyFigure 16: Multicast Performance Topology
ConclusionCisco is a leader in the IP-based solution with the best-in-class IP-based products, support, and services.Sony is a Leader in media production, advanced video, workflow, and camera systems with acomprehensive product line up to support IP-based workflows. Cisco and Sony have partnered together toprovide an end-to-end solution to the Media and Broadcasting Industry that enables them to make theirtransition to IP.
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