[Cerowrt-devel] Fastpass: A Centralized "Zero-Queue" Datacenter Network

David Lang david at lang.hm
Fri Jul 18 20:31:35 EDT 2014

On Fri, 18 Jul 2014, Valdis.Kletnieks at vt.edu wrote:

> On Fri, 18 Jul 2014 16:20:28 -0700, David Lang said:
>> not to mention the scalability issues in trying to get that info to a central
>> point so that it can compute the N! possible paths for the data to take, along
>> with the data from all the other systems to pack them most efficiently into the
>> avilable paths.
> OK, so it converges slower than BGP. But at least it's not subject to wedgies. :)

The question is if it converges faster than the traffic changes :-)

If you are really aiming for zero queuing throughout the network with the links 
all running at full speed, you have no time to respond to new traffic.

David Lang

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