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Task force to enhance 100Gbit/s Ethernet

Posted: 29 Sep 2011 ?? ?Print Version ?Bookmark and Share

Keywords:Ethernet PHY? 100Gbit/s? backplane interconnect?

IEEE has deployed the IEEE P802.3bj Task Force that will boost the capabilities of 100Gbit/s Ethernet PHY defined in IEEE�Std?802.3ba-2010. The project intends to specify 100Gbit/s operation over backplanes and copper cable assemblies to allow lower-cost and higher-density 100Gbit/s solutions, said the organization.

"From the challenges of ever-increasing front-panel capacities to continuing advances in processors, high-performance computing, and server virtualization technologies, the ability of systems to meet spiralling bandwidth demands remains challenging," stated John D'Ambrosia, chair of the IEEE P802.3bj Task Force. "By expanding on the solid foundational standards work already completed, IEEE P802.3bj will provide better options for system designers to minimize or eliminate the bandwidth bottlenecks facing end-users," he added.

With the launch of the Task Force, members are ready to begin collaboratively defining four-lane, 25Gbit/s electrical signaling architectures that will support 100Gbit/s Ethernet operation across backplanes up to one meter and copper cable operations up to at least five meters. Furthermore, IEEE P802.3bj will ensure maximum compliance and compatibility with other IEEE 802.3 installations.

As the application of Ethernet increasingly becomes the preferred backplane interconnect technology for applications, such as modular servers and telecom networks, and over twinaxial copper cables for both intra- and inter-rack connections, IEEE P802.3bj will enable users to deal with rapidly increasing bandwidth demand. By facilitating higher speeds and greater densities, it holds broad relevance for multiple applications, such as blade servers and data centers. A range of stakeholders, including semi-conductor, server and network storage device manufacturers, component vendors and telecommunications carriers, supports the task force.

"The industry and users alike are looking for creative, forward-looking solutions that will allow them to leverage today's technology innovations, such as 100Gbit/s Ethernet," said David Law, chair, IEEE 802.3 working group.

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