A Software Based Approach to Video Monitoring


Anupama Anantharaman - new TV-Bay Magazine
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Real-time content monitoring is a mission-critical operation for broadcasters, telecom, and satellite operators. Traditionally, service providers have used monitoring systems based on specialized hardware with a dedicated, fixed interface designed to monitor a specific number of video feeds. Yet, bespoke hardware solutions require a substantial amount of manpower, have a higher cost of ownership than software, and are inflexible. Moreover, a hardware-based monitoring approach duplicates the infrastructure for service providers delivering both traditional broadcast and ABR streaming offerings, resulting in significant inefficiencies.

This article discusses how a software-based approach can be used to consolidate service providers' monitoring operations, increasing operational efficiencies, flexibility, scalability, and cost savings. It will also highlight the challenges that service providers face with regards to monitoring traditional broadcast and ABR streaming services, outlining the key requirements they should look for in a software-based monitoring solution.

Hardware vs. Software Based Monitoring

A software-based, virtualized monitoring probe decouples the monitoring application from any underlining physical hardware, allowing service providers to exploit the increase in processing power and falling costs of IT server hardware. Hardware-based monitoring, on the other hand, runs dedicated applications with fixed bandwidth and network interfaces. If the probe were to break down, service providers would have to spend a significant amount of time and money ordering a replacement, setting up the new system, and dealing with other problems caused due to the downtime.

One of the greatest advantages that service providers can gain with a software-based monitoring approach is dynamic scaling and resource pooling. Service providers no longer need to maintain two, separate monitoring workflows for their traditional broadcast and OTT channels. One software-based monitoring system, with a centralized management interface, can be used for both types of services. Resources are dynamically allocated and capacity is used efficiently. When a monitoring probe is running at its full capacity, it will command maximum resources, but when it's idle, the same resources can be used by other virtual applications.

Using well-defined virtual machine templates, setting up a software-based monitoring probe for broadcast and ABR streaming services is fast and easy. The template takes care of the complete software environment required for running a monitoring probe including the operating system. For an operator, this reduces the installation time and simplifies the installation process.

Scalability increases with software-based monitoring compared with hardware. In particular, service providers can deploy a farm of virtualized monitoring probes and scale their use as and when needed. For example, during normal times an operator may use fewer probes, however, during times of peak viewership and in order to ensure high quality broadcast, the operator can use all the monitoring probes. While this scaling occurs on the fly, dynamic resource pooling ensures that the physical machines are always optimally used either for monitoring or for other tasks.

Software monitoring probes can be managed remotely, and service providers have total control over all monitoring-related functions for their broadcast and ABR streaming services, including real-time and historical monitoring information for video service debugging and analysis. Built-in support for high availability and fault tolerance ensure that the software monitoring probes will run 24x7 with zero downtime.

Transition to Virtualized Software Challenges and Key Requirements

The transition to a software-based virtualized infrastructure can present some challenges. Selecting the right hardware infrastructure to run different applications that are part of a workflow or certifying products from different vendors to work on an IT-approved virtual machine (VM) and operating system can be a time-consuming process.

A real-time monitoring application performs many network I/O operations. In the case of virtual machines, all network traffic must pass through the physical network adapters, the virtual switch, and the virtual network adapters before it reaches the application running on the VM. When processing services with high packet rates, this additional layer of virtual devices can be considered a performance overhead.

Real-time content monitoring solutions are network I/O intensive and latency sensitive; therefore, they need be tuned and configured to take care of overhead. If an existing hardware platform is used for virtualization, the monitoring software must have the right software plugins to communicate with the user interface software. Apart from this, software applications that are intended to run in a virtual environment must be rid of any dependency on custom hardware devices. These are not insurmountable issues, however, all of these factors must be carefully considered for virtualization to work as intended. Furthermore, current custom hardware-based monitoring solutions will have to be completely re-architected, and doing so may be a very difficult proposition.

Conclusion

Given the massive advancements made in computer processing power over recent years, the broadcast industry is shifting from dedicated hardware-based solutions to software-based solutions running on readily available dedicated IT equipment. There is a general consensus among the players in this ecosystem that virtualization is the way to go.

Physical and virtualization servers can be employed to achieve the benefits of flexibility and centralized monitoring. This requires a careful study of monitoring load, costs involved, physical infrastructure, and other factors. Therefore, it's important that operators consider which approach is the best fit for their organization.

Interra Systems' ORION Content monitoring platform helps customers deliver error-free, high quality video. ORION helps service providers consolidate their monitoring operations to gain increased efficiencies while ensuring superior Quality of Service and Quality of Experience across all devices. With a software-based solution like ORION, service providers can perform all critical monitoring functions in a single, integrated platform. Its centralized monitoring and web-based architecture allows remote monitoring through any browser-enabled device, providing extreme flexibility and on-the-go decision-making.


Tags: iss123 | monitoring | virtualization | interra | orion | Anupama Anantharaman - new
Submitted by Anupama Anantharaman - new Read this article in the tv-bay digital magazine
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Submitted by Jane Lawrence Read this article in the tv-bay digital magazine
Understanding the process of video production
Joseph Adamson In this article I will focus on understanding the process of video production. The use of miniaturised video equipment and understanding the capability of the kit chosen for the job will be mentioned. The video production process is a road map, which not only helps the producer to minimise problems during production and achieve professional results, but also saves time.This process can be tricky to understand and many videographers are self taught, including myself.
Tags: iss126 | video production | wasd | ail | africans in london | Joseph Adamson
Submitted by Joseph Adamson Read this article in the tv-bay digital magazine
Ad servers and switching solutions
Peter Blanchford Hardware-based ad servers and switching solutions have been around for a long time and, broadly speaking, do the job just fine.
Tags: iss126 | starfish technologies | ad server | ts splicer | ts switch | gop | Peter Blanchford
Submitted by Peter Blanchford Read this article in the tv-bay digital magazine
IP Based Remote Production
Ed Calverley Over the last few years Suitcase TV has been getting involved in remote production at the software layer, and I want to talk about some of the ways we have been getting involved in remote production, including a specific trial that we did last year with BBC Sport for the Euro 2016 tournament in Paris.
Tags: iss126 | remote production | IP | jt-nm | smpte 2110 | suitcase | Ed Calverley
Submitted by Ed Calverley Read this article in the tv-bay digital magazine
Lighting - the stuff you do not see
Tama Berkeljon Lighting is the stuff you don't see that makes a difference in what you do see. How the audience feels about a character and whether the scene is scary, tense or upbeat are communicated by the quality and placement of light. Lighting can take the drama to a whole new level - think about film noir with all those shadows on the wall.
Tags: iss126 | outsight | ghost in the shell | led lighting | Tama Berkeljon
Submitted by Tama Berkeljon Read this article in the tv-bay digital magazine
Media Production Show and other news
Duncan Payne So, the 2nd Media Production Show has been and gone. Hands up who went to Islington by mistake? I know at least two people who did. Their secret is safe with me! For me, the sign of a great trade show is when I come away really enthused about an innovative use of existing technology or a brand new product. When I find something that combines both these things, then I'm a very happy man.
Tags: iss126 | adamantean | finance | leasing | mps | ptz | sam | Duncan Payne
Submitted by Duncan Payne Read this article in the tv-bay digital magazine
Advances in LED lighting innovation with Rotolight AEOS
Rod Aaron Gammons There's no doubt that lighting plays a critical role in videography, filmmaking and photography. It's the area of content capture that brings added creativity to shoots, whether that's filming a wedding, producing a commercial or making a movie. Much like cameras have evolved over the past few years, lighting has also evolved; from the traditional tungsten, through to the use of LEDs. Of course LEDs have been revolutionised too, now delivering powerful, cost and energy efficient solutions to creatives.
Tags: iss126 | location light | led lighting | AEOS | rotolight | anova | neo | Rod Aaron Gammons
Submitted by Rod Aaron Gammons Read this article in the tv-bay digital magazine