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The Case for InfiniBand with AdvancedTCA

From Diversified Technology, Inc. (DTI)
 

 
AdvancedTCA (ATCA) at its core is a fabric agnostic architecture, and one of the fabrics defined early on was InfiniBand via the ATCA 3.2 sub specification. As ATCA systems move towards production it is likely that the majority of these systems are ATCA 3.1 or Ethernet based systems, but there are limitations in this kind of deployment. Others propose Advanced Switching as the 'King of All Fabrics”, but truly there may be no king of fabrics in ATCA. Time to market, bandwidth, latency, and even system level costs are some areas in which InfiniBand may have a surprisingly good fit for ATCA. Some target telecommunication engineers are outright hostile to the usage of ATCA in their company's application. The chief reason for that hostility remains bandwidth. Engineers report that 1 Gb/s Ethernet was slower than their current proprietary solution and that 10G Ethernet was not the timely solution they needed.

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Topics of Interest
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