Tag Archives: Adaptive

Software MCU Comparison – What does the market offer?

A Videoconference Multipoint Control Unit (MCU) is a crucial part of every serious Videoconference infrastructure. It’s a system used to connect multiple media streams into a single Videoconference, therefore very often the MCU is referred to as a “bridge”.

The traditional MCU is a DSP (digital signal processing) based hardware whose primary functionality is to decode all incoming media streams, compose a single stream for each far-end participant and finally re-encode that stream before sending it out, needless to say all this requires a huge amount of processing power. More over, hardware-based MCUs define scalability on a per-port basis, which means if we want to have more participants connected in a Videoconference at the same time, we need MCUs with more video ports i.e. more DSPs and DSP hardware does not come cheap.

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LifeSize UVC Multipoint used on a Tablet

That is why a lot of companies are turning their attention towards a new type of product when it comes to multipoint Videconferences – the so-called “software MCU” or soft-MCU. A soft-MCU serves the same purpose as the hardware-based, except that all the transcoding and signal processing is done in the software which introduces big advantages in terms of cost, scalability and flexibility.

The soft-MCU eliminates the need for DSP hardware and can run on virtualized servers on private or public clouds, therefore it is significantly cheaper to deploy than the expensive hardware MCU. In terms of scalability, customers can often just purchase the number of ports they require at the time and then scale up or down easily as the need changes. Software MCUs offer also more flexible deployment, updates and feature enhancements are easy and more frequent, which gives them advantage in today’s fast evolving demands in the Videoconferencing world. Manufacturers can offer the soft-MCU for on-premise deployment on company’s internal servers (usually preferred by enterprises) but the lower end of the group video conferencing market will also benefit from the hosted services (cloud services) offered by providers.

Current market of Software MCU solutions

Although still in relatively early phase in terms of adoption, the market is all but short in offering soft-MCUs solutions for multipoint Videoconferencing. Some of them offered as pure software to be installed on industry-standard servers, some of them require some sort of hardware usually from the same provider which makes them a kind of  “hybrid” solution. I will just go briefly through some of the most talked about products out there at the moment:

 Avistar

Avistar offers the Avistar C3 Conference, a software-based MCU that runs on standard off-the-shelf hardware and operating system software, and on virtualized servers. It is mainly designed for on-premise deployment in enterprise environments, but service providers offering managed Videoconferencing services could also take advantage from it.

Each conference server can support up to 12 ports of simultaneous conferencing, video standards supported are H.263 and H.264 up to 1024 kbps call rate per endpoint with 30 fps.

 Polycom

The Polycom RealPresence Collaboration Server 800s, Virtual Edition is a multi-protocol, integrated, software-based multipoint MCU running on x86 servers. Mainly designed for mid-sized enterprises or to expand an existing RealPresence Collaboration Server (RMX) environment, it provides open standards scalable video coding (SVC) support and interoperability with systems that use advanced video coding (AVC). It can support up to 40 H.263 or H.264 video ports with 720p and 30 fps.

 Vidyo

Vidyo solution consists of Vidyo Router at its center, offered also as a virtual edition (VE), which performs transcoding-free packet switching using their patented Adaptive Video Layering (AVL) technology which introduces low-latency video-streams for endpoints over any IP network. It can be deployed on industry standard servers and is “VMware Ready” certified. Interoperability with legacy systems requires the use of VidyoGateway. The VidyoRouter VE comes in two models – VE 100 and VE 25 offering 100 and 25 concurrent HD connections respectively, supporting native rate and resolution matching per endpoint, up to 1440p at 60fps. Vidyo technology is available through service providers such as Videoconference24.

 Pexip

Pexip is a new start-up that offers pure-software based MCU called Infinity, which will be available from September. It can be deployed on industry-standard servers in a VMware virtualized environment and port capacity can be easily scaled up by adding more servers. It will support H.263 and H.264, SVC, VP8 video codecs as well as interoperability with WebRTC and Lync. We are yet to see how this product will perform in the real-world but it definitely looks promising with of supporting wide range of software clients and endpoints.

Acano

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Acana Software MCU Example

Acano is also also a new player in the industry, offering software solution that unites “previously incompatible audio, video and web technologies” in “coSpaces” which are essentially cloud virtual meeting rooms. People can use whatever devices they have to call into a coSpace, including mobile phones, tablets, PCs, Microsoft Lync clients or video endpoints. Designed for the x86 architecture, it runs on their optimized hardware, standard servers, as well as in virtualized environments and can support thousands of users per server, with further scale and resilience provided by native clustering. Major video standards are supported including H.264 AVC, SVC, WebM / VP8, Microsoft RTVideo, and said to support H.265 as well.

 Vidtel

Vidtel is primarily a service provider; does not offer soft-MCU for on-premise enterprise deployment, but they do offer hosted cloud Videoconferencing solution, labeled MeetMe – it’s a cloud-based, “any-to-any” video conferencing service which supports interoperability between SIP, H.323, Google Talk, Skype, and WebRTC. It supports up to 20 video conferencing endpoints with 720p. The infrastructure for video conferencing is hosted on a Vidtel central cloud and each participant is given a private meeting room ID and a login PIN; they use this to join the Vidtel MeetMe meeting and start communicating and interacting almost as if they were in the same office.

 LifeSize

LifeSize UVC Multipoint is a software-MCU that can be installed on industry-standard servers. It supports H.263 and H.264, SVC video standards and interoperability with Lync (Microsoft RTVideo). Customers can purchase and scale one port at a time and administrators can selectively control the quality and capacity of each port, ranging from 360p for mobile users to 1080p for room-based environments (with the Enterprise edition) and maximum of 128 participants in a single conference.

 Cisco

Cisco became the undisputed king in Videoconferencing hardware, with the acquisition of Tandberg, but they do not offer software-MCU that can be deployed on-premise. They do however offer cloud Videoconferencing service called – Cisco WebEx Telepresence, which can support up to 12 participants per conference with 1080p. At the moment it’s only available in the U.S. and Canada.

 Blue Jeans Network

Blue Jeans – similar to Vidtel, Blue Jeans is a service provider offering hosted hosted video bridging with multi-vendor interoperability including Skype and Lync. Also they are the developers of their own solution and allow re-selling. It supports up to 25 participants per meeting with 720p at 30 fps  and offers easy web based management capabilities for administrators as well as reporting capabilities.

 Avaya / Radvision

Avaya / Radvision is offering the Elite 6000 Series – software-based hybrid multi-point control unit providing high port density up to 40 full 1080p HD ports (80 720p) on a single 1U system. All the major video standards are supported as well as interoperability with other vendors.

As we can see there are lots of different flavors and there are more solutions out there, opening new opportunities for those who could not own standalone MCU before. It’s hard to say what the future holds, certainly it’s too early to dismiss hardware-based MCUs in which companies have invested a lot of money. It’s clear that the two solutions will coexist for some time and it’s up to the customers to choose the best solution for their business based on their requirements in usage, cost and features.


Software MCU Example Video by Pexip

[youtube=http://www.youtube.com/watch?v=dA2oh-4A8Qg&w=575]

Telepresence Technology Connect Remote Employees

The benefits of working in a home office and using telepresence from the perspective of the employee.

Seven years ago, I was pregnant with my son when my husband decided that it was imperative for me to find a job. At the time, I couldn’t imagine leaving my baby to go to work, and so I decided that even if it made my job search an arduous one, I would hold out for the opportunity to work from home.

I was lucky, and within a month or so, I was offered a web content writing position with a tiny, semi-local internet marketing firm. The manager wanted me to come in for weekly meetings, but preferred for me to do the rest of my work from a home office. The company was only occupying a small space at the time, and finding a place for me to work there would have been a difficult feat, so I was able to sign on for the remote work I wanted without inconveniencing my new employer. I was thrilled.

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When this …

The Early Stages

In the beginning, I had a lot of questions, and finding useful ways to stay in touch with my supervisor led me to investigate affordable video conferencing options. Often, I felt as though it would be easier for me to do my job if I could still see and interact with my co-workers as if they were right there in my home. We tried Skype and other free services, but eventually I began doing more work with clients, the company grew, and our sales team expanded. At that point, it became worthwhile to research and employ more advanced telepresence solutions both at home and in the office.

When my employer presented me with what seemed like a giant monitor and camera set up, I was initially uncomfortable. It wasn’t life-sized, but it was much more intimidating than popping up on his 13” laptop screen when we needed to work on a project. Still, the possibilities for collaboration were endless.

Afterwards

I used multipoint video conferencing from my home on the East Coast to present information to clients in California. When a new customer was having trouble understanding our service, I set up my HD video conferencing equipment, and used a white board and my computer screen to walk them through the process. Technology connected me to meetings, sales events, and significant opportunities, all from the comfort of my own home. It was an ideal way to work, especially with young children in the house.

As more and more companies begin seeking out talented employees while paying less mind to their location, the video conferencing industry has taken massive steps forward in connectivity, user-friendly operations, mobility, definition, and more. Remote workers are signing in from tablets, mobile phones, and advanced equipment alike, all in an attempt to stay close and connected while doing their jobs from afar. Some, like myself, are parents who need to be at home for their children. Others are simply located at a great distance from the businesses that can most benefit from their services. Many are freelancers, but many more are doing full-time work for large and small corporations.

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… turns to this.

The Future has Arrived

Telepresence solutions are increasing in affordability and quality as well, and as they do, I predict that more offices will shut down. Start-ups and small businesses will cut costs by eliminating monthly rent and allowing their employees to connect from home. This is the sort of technology that, when used correctly, can attract a wider base of clients and pull staff from the widest possible pool of talented individuals. Video conferencing isn’t just a high tech toy these days – it’s a real solution that can help businesses grow their bottom lines while also contributing to employee satisfaction, and it’s just another indication that the future we dreamed about years ago is finally here!