D

Last updated on Dec 27, 2018

DASH

Dynamic Adaptive Streaming over HTTP. An adaptive bitrate streaming technique that enables high quality streaming of media content over the Internet delivered from conventional HTTP web servers.

Data Compression

Encoding information using fewer bits than the original representation.

Data Field

An area into which a user types or pastes text or a smaller piece of data from a larger collection (e.g., database fields).

Data Panel

A formatted display of information, a display component that defines the locations and characteristics of display fields on a display surface.

DEB

The extension of the Debian Software Package format and the most often used name for such binary packages.

Deprovisioning

The act of removing access from and freeing up resources reserved by end users and their file transfer workflows. Rapid removal of access upon termination or end of contract is key to any organization.

Design by Contract

Design by contract (DbC), also known as contract programming, programming by contract and design-by-contract programming, is an approach for designing software.

It prescribes that software designers should define formal, precise and verifiable interface specifications for software components, which extend the ordinary definition of abstract data types with preconditions, postconditions and invariants. These specifications are referred to as "contracts", in accordance with a conceptual metaphor with the conditions and obligations of business contracts.

DHCP

Dynamic Host Configuration Protocol. A standardized network protocol used on Internet Protocol (IP) networks for dynamically assigning network configuration parameters, such as IP addresses.

Digital Rights Management

Abbreviated as DRM. Various access control technologies that are used to restrict usage of proprietary hardware and copyrighted works. 

Dimension

dimension describes data. For example, dimensions are the characteristics of an object that can be given different values.

Directory Rollover

For HLS Akamai HD network distribution. When enabled, it limits the number of .ts segments to 2000 before rolling over to a new directory.

DisplayPort

A digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to carry audio, USB, and other forms of data.

DNS Server

Domain Name System server. The most important function of DNS servers is the translation (resolution) of human-memorable domain names and hostnames into the corresponding numeric Internet Protocol (IP) addresses.

Domain Name System Server

Domain Name System server. The most important function of DNS servers is the translation (resolution) of human-memorable domain names and hostnames into the corresponding numeric Internet Protocol (IP) addresses.

Downlink

A connection from data communications equipment towards data terminal equipment.

Downstream Connection

A connection from data communications equipment towards data terminal equipment.

DRM

Abbreviation of Digital Rights Management. Various access control technologies that are used to restrict usage of proprietary hardware and copyrighted works. 

Dynamic Adaptive Streaming over HTTP

Dynamic Adaptive Streaming over HTTP. An adaptive bitrate streaming technique that enables high quality streaming of media content over the Internet delivered from conventional HTTP web servers.

Dynamic Host Configuration Protocol

Dynamic Host Configuration Protocol. A standardized network protocol used on Internet Protocol (IP) networks for dynamically assigning network configuration parameters, such as IP addresses.