[Beowulf] Has DDR IB gone the way of the Dodo?

Gilad Shainer Shainer at mellanox.com
Fri Oct 3 19:55:57 EDT 2008

Prentice wrote:
> In the ongoing saga that is my new cluster, we were just told 
> today that Cisco is no longer manufacturing DDR IB cables, 
> which we, uhh, need.
> Has DDR IB gone the way of the dodo bird and been supplanted by QDR?
> If so, why would anyone spec a brand new cluster with DDR?

DDR is still the most used IB solution. I can not speak on Cisco behalf,
but there are many other vendors selling DDR cables - Voltaire,
Mellanox, Gore, QLogic, Molex and many others, including integrators. 


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