2009.07.02
Digital Home Appliances with the Broadband Network for Ubiquitous Services
Connection Test Success for CWMP (TR-069) and DLNA/UPnP Protocol
NTT Comware Corporation (below, NTT Comware; Head office: Minato-ku, Tokyo; President: Michio Sugimoto) made the home networking services for digital contents distribution successful with the connection of DLNA*1 compliant digital home appliances through the broadband networks.
Many different companies recently have DLNA compliant digital home appliances to increase the number of users to enjoy the technology of home networking. DLNA is the home networking standard to share movies, music and image data through mutual connection between digital AV devices or personal computers. It was not generally used for connection with broadband networks though. NTT Comware has been working on research and development of the technology to enable home networking of digital home appliances for ubiquitous services in NGN era and made success on the technology to connect DLNA digital home appliances with the center system online. This technology provides broadband network services with DLNA digital home appliances, such as distribution of the digital contents from the center to DLNA compliant digital TV at home, or monitoring of home appliances from the center without any operation from home.Current Technologies
NTT Comware conducted research and development of the following technologies to connect DLNA compliant digital home appliances at home with the center through the broadband network.1."CWMP TR-069 protocol stack" technology on OSGi
Research and development were conducted for Protocol Stack*4 technology of CPE WAN Management Protocol (CWMP* 2 TR-069* 3), which has been gaining attention in the telecommunication industry as one of the standards. The protocol stacks placed both at the center and the terminals at home (e.g. SGW* 5) enables connection from the center to the digital home appliances online. The protocol stack at SGW should be active on OSGi* 6 framework. The stack has necessary functions as OSGi bundle, which is detachable for easy extension and alteration.
2. The technology applied to home networking standards of the digital home appliances and the mutual connection of terminal protocols for communication
Research and development were conducted for proxy conversion of CWMP TR-069 and DLNA/UPnP* 7 protocol on OSGI Framework in SGW. The combination of this technology and the CWMP protocol stack technology above enabled networking from the center to the DLNA/UPnP-based digital home appliances at home.
Application of this technology
This technology is available to connect DLNA compliant digital home appliances and the center through the broadband network. This networking allows the users to enjoy the broadband network services easily without PCs.- Online catalog shopping: Call Center may send electronic catalogs or movies about items to the customers at home for marketing and sales
- Emergency information for disaster prevention and alert (DLNA compliant TV online shows emergency information about disasters or evacuation from the local governments by interrupting the users watching TV programs)
- Online help services: Call Center may send images of the manuals of items bought by the customers TV at home, etc.
Terminology
| *1 | DLNA: Abbreviation of Digital Living Network Alliance. The industry standard guideline for mutual communication of digital home appliances made by different manufacturers. |
| *2 | CWMP: Abbreviation of Customer Premises Equipment WAN Management Protocol. Remote management protocol for customer locations. This is the industry standard to remotely control terminals at various premises, which was specified in Broadband Forum. It may be called as the model number in the specification as "TR-069". |
| *3 | TR-069: Abbreviation of Technical Report 069. Specification of CWMP. |
| *4 | Protocol stack: A group of software configured as a tier of necessary protocols (communications protocol) for networking of equipment. |
| *5 | SGW: Service Gateway. Customer premises equipment to enable applications and services. |
| *6 | OSGi: The standard of the framework to achieve Java-based module. It may be active in combination with software parts called Bundle. |
| *7 | UPnP: Abbreviation of Universal Plug and Play. The protocol to enable various equipment to mutually link only through the network of personal computers, peripheral equipment and home appliances at home. |
** A patent application has been filed for this technology.
** Names of corporations and products are either trademarks or registered trademarks of each corporation.
