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Can PCIe compete and win against Ethernet?
Posted: Jul 3, 2014 1:10 AM

While nothing is on the horizon that will fundamentally change the status quo, PCIe is showing every...[ View complete article ]


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Can PCIe compete and win against Ethernet?

Posted:  Jul 3, 2014 1:10 AM
 

Author:Gigabob

Level:  Interns

Points:  134

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While nothing is on the horizon that will fundamentally change the status quo, PCIe is showing every sign of growing and competing for space once the domain solely of Ethernet.
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(1) Reply:Can PCIe compete and win against Ethernet? Posted:  Jul 3, 2014 1:10 AM
 

Author:Gigabob

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Points:  134

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Good Luck - I heartily endorsed the idea of PCIe fabrics back at Intel years ago.  Then I realized the external costs of software and system qualification were larger than the few dollars difference on the HDW.  Already the PCIe connection is fully virtualized with the Cisco VIC cards that comprise their highly successful fabric solution.  However the customers all still need Enet and Fibre Channel protocol stacks to link devices.  The ability to drop these protocols in favor of a unified PCIe stack leveraging SR-IOV will probably occur when the last mainframe is mothballed.  Realistically you should be leveraging new Storage Arrays using a PLX fabric to connect 24-96 slot M.2 SSD drives for large BW, high performance SSD Arrays in half the size of current systems.
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Reply:Can PCIe compete and win against Ethernet?

Posted:  Jul 3, 2014 1:14 AM
 

Author:Gigabob

Level:  Interns

Points:  134

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The short answer is that Yes it can compete - but entry will be in niche areas.  I suggest you look to build high perf solid state storage arrays using today's commodity M.2 512GB and 1TB parts using 4 PCIe channel PLX fabrics to deliver 24 to 96 slots to double the internal BW in half or less physical space.
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