What is the Purpose of this Guide? In recent decades, corporate and
employee communications and training have become increasingly
important to organizations and enterprises in building and
maintaining healthy productivity, strong corporate cultures and
continuous growth. Video-based technologies that support these
efforts have grown increasingly sophisticated and ubiquitous. In
particular, satellite-based business television (BTV) and
interactive distance learning (IDL) networks, employing one-way
video transmission, have been widely adopted and successfully
utilized by numerous organizations. This Guide specifically focuses
on the key component of a BTV/IP network: the satellite receiver.
It provides information and guidance on available, proven IP
receiver technologies, the manufacturers who provide them, and
touches on related components of BTV/IP network architecture. What
is BTV/IP? BTV/IP stands for Business Television over Internet
Protocol. Unlike traditional BTV, where the digital video signal is
distributed to televisions from the satellite receiver, BTV/IP
video content can be distributed to both televisions and local area
networks (LAN). As such, BTV/IP can leverage computer networking
technologies to enhance or extend traditional BTV services, with
applications such as video on demand, video streaming to the
desktop, dynamic digital signage, and real-time testing and
measurement of viewer participation. Why Does the Guide Focus on
the Receiver? More than any other component, the receiver often
represents the largest capital expenditure of a typical satellite
network. The receiver's reliability and performance has had a major
impact on the operational success of BTV networks. This is truer
with BTV/IP, where the receiver must seamlessly integrate with
corporate local area networks. Enliten conducted extensive research
of the various IP products available globally to identify which
receivers meet the requirements of the satellite-based BTV/IP
enterprise market. The BTV/IP receivers are segmented into the
following categories: BTV/Media Gateway products designed
exclusively for this market, offering: Playback of NTSC video to a
television Streaming of IP video to a LAN Hard drive for storage
Robust router functionality Middleware for BTV-specific
applications IP Satellite Routers: Satellite receiver with robust
router functionality, intended for deployment in a large enterprise
(to interface within a LAN) environment IP Satellite Receivers:
Satellite receiver with an IP network interface, intended for the
Small Office Home Office (SOHO) environment Most of the BTV/IP
receiver products covered in the Guide are currently deployed in
the field. They are represented through established sales channels
and can be purchased directly from the manufacturer by self-managed
networks. Some of the products in this Guide do not meet the
requirements of any one category. These products have been placed
in the category deemed most appropriate. What are the Other
Components of a BTV/IP Network? In developing services for a BTV/IP
network, additional components besides the satellite receiver need
to be considered. These components are addressed in the Network
Architecture section and include IP encapsulators; low data rate
encoders; network management systems; remote hardware; peripheral
storage devices, dedicated players (for digital signage
applications); interactive distance learning systems; and return
path interfaces.
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