NCast Presentation Server - Manual (Page 5)

NCast Presentation Server Reference Manual
LDAP – Lightweight Directory Access Protocol, used for authentication and authorization of users.
Lip-sync – The synchronization of independent audio and video streams at a receiving decoder so
that the presentation is in the same time relationship as the source.
LMS – A Learning Management System is a software application for the administration,
documentation, tracking, and reporting of training programs, classroom and online events.
LTI – Learning Tools Interoperability provides a single framework for integrating rich learning
applications -- in LTI called Tools -- with platforms like learning management systems or portals.
Matterhorn – An open-source server platform and architecture for video content management.
Mediapackage – A data object containing media files and metadata to be processed by the server.
Moodle – A popular open-source learning management system (LMS).
MPEG Compression – MPEG is an acronym for Motion Picture Experts Group, an industry-wide
committee that has defined a series of standards for the compression of audio and video source
material.
MTU – The maximum transmission unit is the maximum number of bytes permitted in a
transmitted packet.
Multicast – A family of computer transmission protocols where multiple receivers access a single
transmitted packet stream.
N-Way – An NCast proprietary term for the company's content management products.
OAuth – OAuth (Open Authorization) is an open standard for authorization.
OCR – Optical Character Recognition, a method of extracting text from graphical images
Opencast – A community of users interested in developing and using lecture capture systems.
OSGI – A technology for Java™ utilizing a dynamic module system for creating a service platform.
Progressive Download – A method for playback of video archives without requiring use of a
streaming server or specialized streaming protocols such as RTSP, RTMP or HLS.
Publish – A workflow step where descriptive text is placed into the server's search engines.
REST – Representational state transfer, a method of exchanging data within the server.
RFC – Request for Comments, an Internet protocol standard.
Role – A descriptive tag for a user to allow or disallow access to server media and resources.
RSS – Really Simple Syndication, a method and protocol for exchanging web news feeds.
RTMP – Real Time Messaging Protocol, a proprietary streaming protocol promoted by Adobe.
RTSP – Real-Time Streaming Protocol is an IETF approved protocol for control of real-time
streaming on the Internet.
Sakai – A popular open-source learning management system (LMS).
Segmentation – A workflow step used to detect scene transitions in media files.
Series – A sequence of related recordings or episodes used to manage viewing rights.
Services – Discrete processing activities within a server or server cluster.
Spring Framework – A open-source Java library and code used in implementation of the server.
Telnet – An IP network based protocol, which was originally used to connect remote consoles and
terminals to mainframes, but is now used as a general, bi-directional, byte oriented
communications facility. See RFC’s 854 and 855.
Unicast – Refers to a point-to-point connection between two Internet host machines.
Workflow – A series of processing steps on ingested media to ready it for final disposition.
NCast Corporation Version 1.1
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