Cisco Headend System Release 2.7
Glossary
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transport stream
A data communications signal that is formatted in accordance with the protocol defined in the
MPEG-2 specification ISO IEC 13818. An MPEG transport stream can carry voice, video, or
data information. The MPEG data transmission protocol transports real-time data.
U
UNIX
An operating system that is less computer/server-specific than other operating systems.
UNIX is widely used in the telecommunications industry and by the Internet.
V
VOD
video-on-demand. The ability of a subscriber to select a program event and watch it within
moments of selection. VOD allows pausing and rewinding of the event.