6.1 Overview
Network programming
brings challenges beyond the details of yet another API. Networks can be brittle, as connections go down for reasons that may be hard to determine. Performance
can vary widely because of network load. Programs must be sufficiently robust to deal with such issues and to anticipate the many others that come with the territory. Debugging network applications
is harder, in general, than debugging ones that involve only a single machine. Given the challenges of network programming, it is no surprise that ...
