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100 Gigabit Ethernet
(redirected from 40Gbe)

   Also found in: Wikipedia 0.01 sec.
100 Gigabit Ethernet
The next generation of Ethernet. The IEEE 802.3ba committee is developing Ethernet technologies at 40 and 100 gigabits per second to succeed 10 Gigabit Ethernet. With standards ratified in 2010, 40 GbE is designed for use within the organization between servers and the Ethernet switch, and 100 GbE for switch-to-switch transmission (long distance channels).

Multiple Lanes
For 100 GbE, proposed modulation schemes include breaking 100 Gbps into four 25 Gbps data lanes by splitting the 100 into two polarized streams, each of which is modulated into two 25 Gbps streams. See Ethernet.

  Distance
  in
  Meters  Medium      Designation

    1     Backplane    40GBASE-KR4

   10     Copper       40GBASE-CR4
                      100GBASE-CR10

  100     Multimode    40GBASE-SR4
           Fiber      100GBASE-SR10

  10 km   Singlemode   40GBASE-LR4
           Fiber      100GBASE-LR10

 100 km   Singlemode  100GBASE-ER10
           Fiber


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The next generation of high-speed, high-performance computing applications and technologies is driving the industry's migration to 40GbE and 100GbE systems," said Luanne Schirrmeister, senior director of component product marketing at Altera.
Aimed at fueling mainstream adoption of 10 and 40 Gigabit Ethernet for the enterprise data center, the RackSwitch G8264 is priced at an industry-pacesetting $350 per 10GbE port with 40GbE connectivity at just $1,400 per port.
Extreme Networks, which has recently unveiled 40GbE network solutions, believes as data centres increase in server density through consolidation and virtualization, 40G connectivity from the network core and to top-of-rack switches will become critical to providing the performance and scale required of the network.
 
 
 
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