3Com 3c17300 Implementation Guide - Page 101

103 TCP relates to the content of the data travelling through a network - ensuring that the information sent arrives in one piece when it reaches its destination. IP relates to the address of the endstation to which data is being sent, as well as the address of the destination network. Telnet A TCP/IP application protocol that provides a virtual terminal service, letting a user log into another computer system and access a device as if the user were connected directly to the device. TFTP Trivial File Transfer Protocol. Allows you to transfer files (such as software upgrades) from a remote device using the local management capabilities of the Switch. traffic classification Traffic can be classified using one or more of types of traffic classifiers. A classifier detects the packet attributes and classifies the traffic accordingly. traffic prioritization A system which allows data that has been assigned a high priority to be forwarded through a switch without being obstructed by other data. unicast A packet sent to a single endstation on a network. VLAN Virtual LAN. A group of location- and topology-independent devices that communicate as if they are on the same physical LAN. VLAN tagging A system that allows traffic for multiple VLANs to be carried on a single link. WAN Wide Area Network. A communications network that covers a wide area. A WAN can cover a large geographic area, and may contain several LANs within it. Webcache A device that is installed on the network to cache frequently accessed Web pages from which they can be retrieved, thus reducing network traffic over the WAN.