Cisco IP Fabric Media Solution for Sony IP Live Live Production System
Last Updated: November 5, 2020
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Table of Contents
Executive Summary. 4
Cisco Solution for IP Fabric for Media with Sony IP Live Production System.. 5
Introduction. 5
Audience. 5
Purpose of the Document 5
Problem Statement 5
Solution Summary. 5
Technology Overview.. 6
Components. 6
Cisco IP Fabric for Media. 6
Cisco Nexus 9000 Series Switches. 6
Cisco Data Center Network Manager (DCNM) 6
Sony IP Live System Manager (LSM) 7
Solution Design. 11
Designing the IP Fabric for Media. 11
Flow Orchestration with Sony LSM and Cisco IPFM.. 13
Case Study: All IP Studio Deployment with Cisco and Sony. 13
Solution Validation. 15
Multicast Replication Performance Test 15
Delay Under Xpt Changes. 15
Failure Tests. 15
Reference Architecture. 19
Physical Topology. 19
OSPF Topology. 20
PTP Topology. 21
DCNM Topology. 22
Multicast Performance Topology. 23
Conclusion. 24
Cisco Validated Designs (CVDs) are the foundation of systems design and the centerpiece of facilitating complex customer deployments. The validated designs incorporate products and technologies into a broad portfolio of Enterprise, Service Provider, and Commercial systems that are designed, tested, and fully documented 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 create IP networking technologies for 4K/HD live production applications in the broadcast, media, and entertainment industries. The agreement between the two companies gives customers worldwide expanded range of flexible, proven, and reliable IP systems.
There is a massive transition underway in the Media and Entertainment industry, where the broadcast facilities are moving from the legacy SDI infrastructure to a flexible IP infrastructure for all studio and remote productions. 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 live production applications in the broadcast, media, and entertainment industries. The agreement between the two 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, production switches, and servers. In recent years, Sony has fully supported the IP transition, delivering 4K/HD studio systems, 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, and AIMS.
Cisco is a leader in flexible and reliable IP networking and has developed Cisco IPFM solution, including the Nexus 9000 series switches and Data Center Network Manager (DCNM) for the media and entertainment markets.
The audience for this document includes, but is not limited to; broadcast operators, sales engineers, field consultants, professional services that are designing an IP infrastructure for production.
This document consists of systems and solutions that are designed, tested, and documented to facilitate and improve customer deployments. These designs incorporate wide range of technologies and products into a portfolio of solutions that are developed to address the business needs of our customers.
With the LIVE production moving to IP, there is a requirement for an IP infrastructure that can provide a reliable, nonblocking, scalable, and secure fabric that can deliver SMTPE ST 2110 uncompressed streams from the sources to the destinations. There must be little or no change to the end operator workflow as they transition their infrastructure from SDI to IP.
The Non-blocking Multicast process on Cisco NX-OS adds bandwidth awareness to the PIM. This provides an IP fabric which is reliable and adds the ability to authorize endpoints and flows. Sony, with its Sony IP Live System Manager (LSM) controller can control sources and destinations (endpoints). The operator routes all signals 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.
This section provides a brief introduction of the various hardware and software components that are used in this solution.
The 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 Manager
The Cisco IP Fabric for Media (IPFM) solution consists of a flexible spine and leaf architecture or a single modular switch topology. The solution uses Cisco Nexus 9000 Series switches with the Cisco Non-blocking Multicast (NBM) algorithm (an intelligent traffic management algorithm) and the Cisco Data Center Network Manager (DCNM) Media Controller. The Cisco DCNM Media Controller can integrate with various broadcast controllers using open APIs. The solution provides a highly reliable (zero drop multicast), highly visible, highly secure, and highly available network.
Cisco Nexus 9000 Series switches deliver proven high performance and density, low latency, and exceptional power efficiency in range of form factors. The series also performs line-rate multicast replication with minimal jitter. Each switch can operate as a Precision Time Protocol (PTP) boundary clock and can support the SMPTE ST 2110 and AES67 profiles.
Cisco NBM provides multicast transport and security with host and flow policies. Cisco DCNM works with Cisco NBM to provide visibility and analytics of all the flows in the fabric. Cisco DCNM can also be used to provision the fabric, including configuring the IGP (OSPF), PIM, and MSDP using Cisco IPFM templates and power-on auto-provisioning (POAP). Cisco DCNM can further be used to manage host and flow policies and ASM 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 process uses the NX-OS streaming telemetry to stream state information to Cisco DCNM (Figure 1). Cisco DCNM collects information from individual switches in the fabric, collates them, and presents how flows traverse across the fabric. The configuration in Figure 2 shows the required configuration on the switch to enable telemetry.
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 monitoring
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 also compliant to the AMWA NMOS specs such as IS-04 and IS-05 for multi-vendor device management and control.
Features include:
· An IP-based A/V routing application: this software aggregates device configuration and generates a virtual A/V router which can be controlled by users on the system
· A 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 devices
· A tally/alias name management tool for all UMDs and tally indicators connected to the system: use this to support tally system including multiple production switcher (i.e. XVS) as tally master
· A network management tool: this ensures IP video transmission with broadcasting quality, using QoS technology
· A fully featured application which includes interoperability, security, redundancy, and maintenance functionality
Figure 3: PWS-110NM1 with JT-NM
Figure 4: Sony IP Live System Manager (LSM) Graphical User Interface
Figure 6: PWS-110NM1 Topology Graphical User Interface
This section provides an overview of the design factors that are to be considered in order to make the system work as a single, highly available network.
There 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 is suitable for studio deployments (Figures 4 and 6).
· A single switch with all endpoints connected to this switch – provides the simplicity that is needed in an outside broadcasting TV van (OBVAN) and small studio deployment (Figure 5).
Figure 7: Spine and leaf with endpoints connected to the leaf
Figure 9: Spine and leaf with endpoints connected to both spine and leaf
While Sony LSM controls the endpoints, Cisco NBM manages the flow orchestration in the fabric. When an operator routes a source to a destination, the control panel communicates with Sony LSM requesting for the flow. Sony LSM instructs the destination to join the new source and the destination signals this flow by sending an IGMP to join to the network. Cisco NBM then creates an optimal path from the source to the destination.
Case Study: All IP Studio Deployment with Cisco and Sony
Cisco and Sony partnered together to build one of the largest deployments of an all IP studio for a major broadcaster.
Cisco’s Spine and Leaf IP infrastructure provides all customers the flexibility to distribute routing across the entire room with a simpler cable management.
Sony provides the Sony IP Live System Manager (LSM) for the broadcast control. The studio has HDC Series studio 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.
Adopting 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 leverages the SMPTE ST 2110 suite of standards for the professional media interchange. This allows seamless integration between the best-of-breed components and solutions from Sony and other hardware and software vendors.
Time synchronization is another important factor to consider when designing an IP Fabric. Cisco switches are configured to work in the PTP boundary clock providing timing to Sony and other endpoints that are connected 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 provides the 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 like editing, graphics, and so on.
This section provides a high-level summary of the validation that is done for this CVD.
1. Background traffic – Imposed 150 multicast routes and traffic that went through the fabric during both, the performance and the failure tests.
2. Performance test – Tested the following two patterns. These did not result in traffic loss with boss cases:
§ 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 switches
| |
NXLK-IP50Y Image
(10 seconds visual observation) |
LSM Log |
IXIA Traffic |
Change Xpt |
Nexus Log |
| Failure;
First, main GM Link Second, sub GM Link |
Failure of
main GM Link |
No Impact |
GM Change
(Main->Sub) |
No Loss |
OK |
GM Change
(Main->Sub) |
| Failure of
sub GM Link |
No Impact |
GM Change
(Sub->N9348) |
No Loss |
OK |
GM Change
(Sub->N9348) |
| Failure;
First, sub GM Link Second, main GM Link |
Failure of
sub GM Link |
No Impact |
No Log
-> No Impact |
No Loss |
OK |
PTP status change (Master -> Disabled) |
| Failure of
main GM Link |
No Impact |
GM Change
(Main->N9348) |
No Loss |
OK |
GM Change
(Main->N9348) |
| Recovery;
First, main GM Link Second, sub GM Link |
Recovery of
main GM Link |
No Impact |
GM Change
(9348->Main) |
No Loss |
OK |
GM Change
(9348->Main) |
| Recovery of
sub GM Link |
No Impact |
No Log
-> No Impact |
No Loss |
OK |
PTP status change (Disabled -> Master) |
| Recovery;
First, sub GM Link Second, main GM Link |
Recovery of
sub GM Link |
No Impact |
GM Change
(9348->Sub) |
No Loss |
OK |
GM Change
(9348->Sub) |
| Recovery of
main GM Link |
No Impact |
GM Change
(Sub->Main) |
No Loss |
OK |
GM Change
(Sub->Main) |
| Failure;
First, main GM Second, sub GM |
Failure of main GM |
No Impact |
GM Change
(Main->Sub) |
No Loss |
Ok |
GM Change
(Main->Sub) |
| Failure of sub GM |
No Impact |
GM Change
(Sub->N9348) |
No Loss |
OK |
GM Change
(Sub->N9348) |
| Failure;
First, sub GM Second, main GM |
Failure of main GM |
No Impact |
GM Change
(Main->N9348) |
No Loss |
OK |
GM Change
(Main->N9348) |
| Failure of sub GM |
No Impact |
No Log
-> No Impact |
No Loss |
OK |
PTP status change (Master -> Disabled) |
| Recovery;
First, main GM Second, sub GM |
Recovery of
main GM |
Distorted |
GM Change
(9348->Main) |
No Loss |
Ok |
GM Change
(9348->Main) |
| Locked to GPS |
Distorted |
Out of Sync for a moment |
No Loss |
OK |
High offset |
| Recovery of
sub GM |
No Impact |
No Log
-> No Impact |
No Loss |
OK |
PTP status change (Disabled -> Master) |
| Locked to GPS |
No Impact |
No Log
-> No Impact |
No Loss |
OK |
No GM change |
| Recovery;
First, sub GM Second, main GM |
Recovery of
sub GM |
No Impact |
Out of Sync GM Change
(9348->Sub) |
No Loss |
OK |
GM Change
(9348->Sub) |
| Locked to GPS |
Distorted |
No Log |
No Loss |
OK |
High Offset |
| Recovery of
main GM |
Distorted |
Out of Sync GM Change
(Sub->Main) |
No Loss |
OK |
GM Change
(Sub->Main) |
| Locked to GPS |
Distorted |
-- |
No Loss |
OK |
High Offset |
Cisco 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 a comprehensive product line up to support IP-based workflows. Cisco and Sony have partnered together to provide an end-to-end solution to the Media and Broadcasting Industry that enables them to make their transition to IP.
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