Wednesday, February 4, 2009

DCell: A Scalable and Fault-Tolerant Network Structure for Data

This paper tries to solve similar problem of the previous paper.
It looks similar to hypercube approach in supercomputing world.
DCell introduces complexity in wiring, much more than fat-tree approach.
Even an addition of single computer is not simple.
We can't just add a server or a rack and plug it in.
We should always consider topology.
Also this makes it hard to determine locality.

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