Questioning everything is always a good thing. Couple of thoughts:
- Yes it's going to be RISC v CISC all over again. This time around, there's a significant installed base of non x86 tied applications and the ABI can be much less of a concern. No repeat this time of the on-the-fly x86 to Alpha translation farce.
- Implementors of "Big-Data" aka data-parallel application having taken the low-hanging fruit wrt, are starting to drive effeciencies down through the software substrates and finding that I/O does make a difference in the economic equation. As a couple of our case studies have shown, the price/performance of applications such as Hadoop/MapReduce, high-performance file-systems, and object stores/Memcached benefit from 10G.
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