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CEA Adopts New Standard for Home Ethernet Networks
Dec 3, 2003
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The Consumer Electronics Association (CEA) announced its Home Network Committee (R7) has adopted a new standard for home networks, designated CEA-2007 – Quality of Service Priority Groupings for 802.1Q. Created to improve the ability of home Ethernet networks to play high-quality audio and video, CEA says that CEA-2007 recognizes three classes of quality of service (QoS): best effort, priority routing, and fully managed connections.

According to the association, the standard sets aside several of the higher priorities on an Ethernet network that supports prioritization for use by parameterized services, while defining how the remaining priorities should be used for applications such as low latency video and audio.

"This standard sets the stage for consumer home networks that can play entertainment streams better, especially down the road as we start connecting different network types together, and a movie or song could be coming from outside the home network," said Virginia Williams, director of Engineering for CEA. "By giving manufacturers a new way to code their entertainment streams on Ethernet, CEA-2007 will enable home networks to differentiate between content types and play them at the same high quality level as the sources are putting them out."

CEA-2007 was developed by CEA's R7.5 working group one (WG1), which is defining an adapter standard for connecting an Ethernet network to a 1394 cluster network. Such an adapter must be able to map the parametric QoS mechanisms used by 1394 networks to the priorities used by Ethernet networks. As a result of this need to map QoS services, WG1 members decided to initiate work on CEA-2007.

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