100Gb Ethernet

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40/100Gb Ethernet, times four or times ten? What is the best way forward for Ethernet

Those who reckoned that 100Gig Ethernet was overkill in a world still migrating to 10Gigs, were taken aback by CIR’s recent report that huge companies like Google and Amazon already have a "desperate need" for 100Gb connections and that early adoption of the costly new technology would not be held back by the current economic climate. So what about those who say ”why bother with 40Gigs when 100Gb is on its way?” According to CIR, the adoption of 40GbE is predicted to start in high-end servers and high-performance comput- ing applications, and up to 80% of the market will be SR4 until CR4 over-copper becomes more viable. But both will rapidly lose share once serial 40Gbit Ethernet becomes a reality in 2014