this is interesting, published late last year. NATURE Error and attack tolerance of complex networks R�KA ALBERT, HAWOONG JEONG & ALBERT-L�SZL� BARAB�SI http://www.nature.com/cgi-taf/DynaPage.taf?file=/nature/journal/v406/n6794/full/406378a0_fs.html&_UserReference=C0A804ED4650CFB95F82A6651F4B3BAF6B7C "We find that such networks display an unexpected degree of robustness, the ability of their nodes to communicate being unaffected even by unrealistically high failure rates. However, error tolerance comes at a high price in that these networks are extremely vulnerable to attacks (that is, to the selection and removal of a few nodes that play a vital role in maintaining the network's connectivity). Such error tolerance and attack vulnerability are generic properties of communication networks." --- "Dickson, Brian" <brian.dickson@velocita.com> wrote:
Even if diversity exists, we need to consider (from an engineering perspective) capacity requirements.
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