April 05
Prof. Ismael H. F. Santos -  ismael@tecgraf.puc-rio.br                                                          2
Network Summary
nInternet
nDesigned with multiple layers of abstraction
nUnderlying medium is unreliable, packet oriented
nProvides two views
nReliable, connection oriented (TCP)
nUnreliable, packet oriented (UDP)
nJava
nObject-oriented classes & API
nSockets, URLs
nExtensive networking support