It is meant for a very large network of 5,000 to 10,000 workstations. The server runs a program called vice while the client includes a component called venus .
Every data transfer is encrypted for safety.
To speed up the encrypted transfers, every workstation needs special encryption hardware. In AFS, the client can ask the server to inform it when some other client changes a file that the client may have cached, so that the client can always open the newest version, instead of an old stale version in its private cache. Questions 2 through 5 deal with public key cryptography and digital signatures. Everyone knows P C . Then B uses A's public key to actually verify that A sent it.