DLNA : A Technology that replaced HDMI to some extent


DLNA is an Alliance formed by group of Companies including Intel, Sony , Microsoft , Consumer Electronics companies with an aim to simplify communication between different networked devices like smart phones , tablets , smart TV , Cameras , Printers , Network attached storage servers , computers , etc.

The main aim was to develop & promote set of guidelines/standard for sharing digital media/content among various devices. DLNA standard has incorporated many existing standards including UPNP(Universal plug and play) , for media management , device discovery , control over AV.

HISTORY
  • DLNA standard was formed in the year 2003 by group of companies by the name DHWG (Digital Home Working Group) later known as DLNA (Digital Living Network Alliance).
  • Later in the year 2004 , first set of guidelines was published that defined the Protocols & Architecture of the system , support for various media formats , different categories of devices were also classified.
  • In 2006 , Two new product categories were classified i.e. Printers and mobile phones.

IMPLEMENTATION/SPECIFICATION

DLNA certified devices has various classes mainly divided into two i.e Servers and clients
  • Digital Media Server (DMS) : DMS stores content & makes it available to other digital media players via transfer protocols like http , rtsp , rtp , etc and TCP/IP protocols.                                    Example : Serviio , VLC , Roku , Plex , etc
  • Digital Media players (DMP) : DMP act as clients for DMS which access stored content from DMS and plays it on client device wirelessly with no buffering and lag.                                           Example : VLC media player , Ace stream , etc
The comparison for various Digital media servers is linked here.

Your suggestions will help me to write better.
Sources : Wikipedia , Google Images 

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