DLNA Confidential
Who Owns the Home Network?
Glen StoneDirector, Standards & Strategy
Sony Electronics Inc.Chair: DLNA Technical Committee
2006 IEEE CCNC ConferenceLas Vegas
MA1-1 Plenary Panel Presentation
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Agenda» Overview of the Digital
Living Network Alliance (DLNA)
» A CE perspective of the home network
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The DLNA Vision
Consumers want theirdevices to work together
and share content
MEDIAPre-Recorded Content
Personal Media
MOBILE MULTIMEDIAEntertainment,
Personal Pictures and Video, Services
BROADCASTServices,
Entertainment
BROADBANDEntertainment,
E-Business, IPTV Services
Consumers want theirConsumers want theirdevices to work togetherdevices to work together
and share contentand share content
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The DLNA Vision» Consumer friendly home
networks Consists of IT and CE devices Content shared between devices
from different manufacturers A platform for the distribution of
personal content A platform for services and
commercial content
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The DLNA Approach» Deliver design guidelines based on
a framework of open standards to ensure interoperability between manufacturers’ devices
» Provide a common baseline of media formats (to ensure interoperability at the media level)
» Accelerate market acceptance through compliance testing
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The DLNA Approach» DLNA is not an SDO, DLNA does not
create standards» Uses existing standards and Identifies
when new standards are required» Liaisons with SDO’s to create required
standards Examples: CEA - OpenEPG, RemoteUI UPNP- QoS additions DVB - Media Formats
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DLNA Participants
Over 225 contributor companies = BoD company
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DLNA Organization
Legend
Board of Directors
Technical Interoperability and Compliance
Marketing and Public RelationsEcosystem
Industry Liason Certification and Logo
Compliance Test
Home Network V1
Mobile -Handheld
Use Case
Media Formats
RTP
WMM
Technology
Content ProtectionPre-Certification
Committee
SubCommittee
Task Force
Board
Use Case FuturesContent
Test Assertion
Device Virtualization
Media Format Adaptation
Network Connectivity
Content Protection
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Guidelines Creation Process
Develop Use Cases
• Technical Input• Ecosystem Input• Marketing Input• Prioritize
Generate Technical
Requirements
• Connectivity: Ethernet and 802.11
• Networking: All devices use IP protocols
Create Design
Guidelines
• Very specific details• Clarifies ambiguity
in a given standard• Identifies which
options to implement
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The devices depicted in these scenarios are for illustrative purposes onlyand have no relation to specific products planned by any manufacturer.
User is watching TV, wants to view pictures
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Device Classes
Functionality also includes file transfers, QoS and printing
Selects Servers and Renders for connection and controlsHTTP
AV ControlDigital Media Control Point(DMC)
Renders content, discoverableHTTP Client
Media Renderer
Digital Media Render (DMR
Selects, controls, and renders selected media content, NOT discoverable on the network
Serves up media content
Functional Description
HTTP ClientMedia Renderer Control Point
Digital Media Player (DMP)
HTTP ServerMedia Server Device
Digital Media Server (DMS)
Media Transport Components
UPnP AV Components
DLNA Device Class
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Interoperability Framework
Content Sharing Framework
Networking & Connectivity
(IPv4, Ethernet, 802.11)How devices physically connect together and communicate
Device Discovery & Control
(UPnP Device Arch)How devices discover and control each other
Media Management (UPnP AV)
How media content is identified, managed, and distributed
Media Transport(HTTP)
How media content is transferred
Media Formats(Images, Audio, AV)
How media content is encoded and identified for interoperability
Complete set of components to deliver user experience for sharing content
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DLNA Conclusion» Creation of guidelines was use case driven and
filtered by both marketing and technical criteria» “Ownership” of the home network is out of scope
of DLNA» The very nature of the design guidelines insures
all devices are discoverable and accessible» DLNA Interoperability Guidelines v1.0 addresses
content sharing interoperability between a DMS and DMP and is available now at www.dlna.org
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CE observations» The Consumer will attach a diverse array of devices to
their home network There cannot be one “owner”
» They will get their content from multiple sources, based on: Cost Ease of acquisition Flexibility (usage rules)
» Who will the consumer call when things go wrong? Who knows…it could be:
» The device manufacturer» The service provider» The content provider» Their neighbor» Their son (in the case of my Mom)