http://arxiv.org/ftp/cs/papers/0403/0403019.pdf
Computing economics are changing. Today there is rough price parity between (1) one database
access, (2) ten bytes of network traffic, (3) 100,000 instructions, (4) 10 bytes of disk storage, and (5) a
megabyte of disk bandwidth. This has implications for how one structures Internet-scale distributed
computing: one puts computing as close to the data as possible in order to avoid expensive network
traffic.
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