Fallacies of Distributed Systems
The eight fallacies of distributed systems come from different engineers at Sun Microsystems.
The first four are from Bill Joy and Tom Lyon (co-founders of Sun). Five, six, and 7 come from L. Peter Deutsch (designer of PostScript). The last is attributed to James Gosling (lead designer of Java).
The network is reliable
Latency is zero
Bandwidth is infinite
The network is secure
Topology doesn't change
There is one administrator
Transport cost is zero
The network is homogenous
Some other lists: