3com Webcache 1000 (3C16115) Benutzerhandbuch

The 3Com umbrella management system used to manage all of 3Com’s 
networking solutions.

The IEEE specification for 10 Mbps Ethernet over Category 3, 4 or 5 
twisted pair cable.

The IEEE specification for 100 Mbps Fast Ethernet over Category 5 
twisted-pair cable.

A feature on twisted pair ports that allows them to advertise their 
capabilities for speed, duplex and flow control. When connected to a 
port that also supports auto-negotiation, the link can automatically 
configure itself to the optimum setup.

The information capacity, measured in bits per second, that a channel 
can transmit. The bandwidth of Ethernet is 10 Mbps and the 
bandwidth of Fast Ethernet is 100 Mbps.

The signalling rate of a line, that is, the number of transitions (voltage 
or frequency changes) made per second. Also known as line speed.

Stores copies of frequently accessed objects close to users and serves 
them to users when requested.

An object in the cache that can be served directly to the client 
machine.

An object that is not in the cache or that is in the cache but no longer 
valid. In both cases, the Webcache must get the object from the origin 
server.

A computer, printer or server that is connected to a network. In this 
User Guide, client machine is used to describe a machine on your 
network which is running a Web browser such as Internet Explorer or 
Netscape Navigator.