O'Reilly Network: 2002: The Carpetbaggers Go Home [Dec. 21, 2001] Engineers understand that the difference between 95 percent and 96 percent reliability is often infinite. Some problems are tractable within a certain tolerance, and asymptotic to infinity above that tolerance. The Internet is full of best-effort algorithms, timeout mechanisms, asynchronous communication, and stateless clients. This is the fault-tolerant realpolitik of a public network composed of uncoordinated actors with conflicting agendas