As an IT professional, it is your job to make sure that any application being deployed on the network is safe and secure. But we know that you have other questions. You have invested a great deal of time and money in your corporate IT infrastructure. You want visibility into bandwidth requirements, technical requirements, scalability, upgrades, technical support, maintenance, and in the end, what sort of return on investment you can expect. Please give us a few minutes to answer your questions. We are confident you will be glad you did so.
How does SVSi integrate video sources such as HD Cameras, Blu Ray players, Media Players, DVR’s, Computers, Satellite receivers, and Audio onto our network? Once on the network, how do I get the source material to my display?
Video sources are connected to SVSi encoders. The encoder then converts the raw audio, video, and control signals into three separate IP packet streams – each capable of their own destination. With N2000 and N3000, the encoder compresses the video signals before packetization in order to transmit over industry standard gigabit Ethernet networks. Once these signals are converted into packets, they can be switched and routed identically to, and alongside, data packets. Each display that wishes to display an encoded signal receives these packets, synchronizes them, and then outputs the raw signals once more.
Each encoder and decoder is equipped with a standard Gigabit Ethernet (GigE) network connection. Additionally, each device has multiple GigE connections allowing easy daisy-chaining. A single source video stream might be daisy-chained to a large number of displays. Since the infrastructure utilizes standard CAT5e cabling, it is “future-proof” and can be deployed by your existing network technicians with no special training.
Can SVSi’s products operate on my existing network?
SVSi’s N2000 and N3000 series (with the exception of the 4K products) can be deployed on an existing data network with video, data, and voice packets intermingled. Each device has one or more auto-sensing network ports that support gigabit connection speeds. Although the default bit-rate for each unit’s standard video stream with audio and serial control is 25-Mbps, SVSi recommends gigabit Ethernet end-points on any installation to allow for future expansion. The bit-rates of SVSi’s standard video streams are adjustable between 1-100Mbps per stream. Extreme Quality (EQ) mode is operationally different and targets image quality instead of a particular bit-rate. EQ mode requires up to 165-Mbps per video stream and will support only 6 video steams per gigabit Ethernet port, but is near-mathematically loss-less and intended for high-contrast high-frequency computer graphics and HD camera sources.
SVSi can also be deployed on a physically separate, parallel network using the same network protocols, practices, and appliances but without intermingling of video traffic with data or voice. This is recomended for the N1000 and N2000 4K Series. Physically separate SVSi and data networks can be joined through a firewall that allows control of units through the data network, but isolates the video traffic from the data network.
How will SVSi traffic impact my network?
The impact of SVSi devices on a network is directly related to which series of device is being used; however, SVSi devices all use standard TCP/IP packets. The following is a description of exactly what our packet types do within a network.
Unicast – This packet type is single source to single destination and is how control signals are passed to SVSi devices. These signals could include, but are not limited to switching streams, setting IP addresses, muting audio, etc…
Broadcast – This packet type is used for discovery of SVSi units during installation or expansion of the audio visual system, as well as system status and monitoring. These packets are small and will have minimal impact on the network.
Multicast – This is the predominant packet type an SVSi system uses. It is the actual AV data in a UDP form. Encoders generate the multicast UDP packets and via standard switch architecture/fabric can be requested by any decoder within the network.
Network switches direct packets from an input port to one or more destination ports based on header information. SVSi uses multicast packets for video streams allowing a single stream to be broadcast to multiple displays without duplicate streams consuming your network bandwidth. By utilizing streams of multicast packets, SVSi can be quickly deployed on your existing network, taking advantage of the multicast capability in switches that you already own with little or no infrastructure upgrade or impact.
How will I manage all this multicast traffic?
Simple! Through the use of certain protocols, the multicast traffic can be switched and routed to wherever it is needed without ever affecting your network performance. SVSi uses IGMP (Internet Group Management Protocol) for the control of AV traffic within a network. The two functions of IGMP used are:
IGMP Snooping – This is a form of port based packet inspection that identifies that the packets generated from an encoder are in fact multicast.
IGMP Snooping Querier – The querier acts as a central control mechanism (using the information gathered by IGMP Snooping) to direct multicast traffic to only the requested ports where decoders reside.
If the AV network will span multiple subnets or VLANs, a second control can be implemented. PIM (Protocol Independent Multicast) allows for the sending of multicast across any subnet and/or VLAN where PIM is enabled.
SVSi maximizes performance and cost by offering solutions specifically for local in-room, LAN, and WAN configurations. All N-Series products can be connected together using industry standard IP switches, allowing you to design any size AV matrix with an unlimited number of inputs and outputs. Your imagination is the only limitation!
Design a SVSi Networked AV System on your existing house network (N2000/N3000 Series) or use standard layer three switches to build a separate AV System. With SVSi, your system is scalable and will grow as your needs grow. When you need to expand your system with sources or displays simply add an Encoder or Decoder depending upon your additional needs – it’s that simple!
How do I secure this traffic?
Due to the fact that SVSi utilizes your network architecture, the AV network is as secure as the network hardware it resides on. Through the use of every day network security protocols and practices such as access lists, MAC filtering, port security, physical security, etc., the AV network will be just as secure as the rest of your data network.
What management tools are available to control SVSi’s system components?
Web-based hardware Controllers offering control options from 5 user/50 devices to unlimited users and devices, includes simplified ASCII interface for 3rd party control via telnet, TCP/IP, or serial. Enterprise controller offers master/slave fail-over protection, hot-swappable drives, and redundant power supplies.
- Intuitive and powerful management of equipment configuration, content management, NVR recording and playback, bandwidth utilization, and AV switching using a web-based, point-and-click graphical matrix.
- View a graphical presentation of video network connections, assign fixed IP addresses for each SVSi component, and adjust variable bit-rate for each video stream.
N3000 – When the primary concern is minimal bandwidth use, N3000 gets the job done. The N3000 series is also capable of WAN transmission through its ability to unicast to a specific IP address, which could be anywhere in the world! Due to H.264 encoding not only can an N3000 stream be decoded by an N3000 decoder, it can also be soft-decoded at the desktop.
ABOUT SVSi-SVSi’s IP-based product offerings are unique in delivering the absolute best video and audio quality possible over any network segment or link – whether a managed local-area network, fiber uplink, or low bit-rate internet connection.. SVSi, based in Huntsville, Alabama, was founded in 2003, and has reinvented the way high-definition media is delivered to Government, Corporate, Education, Retail, Healthcare, Entertainment and Event Centers and Houses of Worship.